Texas Instruments BQ2463X EVM User's Manual
Contents
1. Y Figure 10 bq2461x bq2463x EVM Schematic 19 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger SLUUS396A January 2010 Revised July 2010 Copyright O 2010 Texas Instruments Incorporated Evaluation Board Kit Important Notice Texas Instruments TI provides the enclosed product s under the following conditions This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use Persons handling the product s must have electronics training and observe good engineering practice standards As such the goods being provided are not intended to be complete in terms of required design marketing and or manufacturing related protective considerations including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards This evaluation board kit does not fall within the scope of the European Union directives regarding electromagnetic compatibility restricted substances RoHS recycling WEEE FCC CE or UL and therefore may not meet the technical requirements of these directives or other related directives Should this evaluation board kit not meet the specifications indicated in the User s Guide the board kit may be returned within 30 days from the date of delivery for a2. Copyright 2010 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Board Layout EIT c21 Rid LER Ri coe B STAT REGN Figure 6 Top Assembly SLUUS96A January 2010 Revised July 2010 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger 15 Copyright O 2010 Texas Instruments Incorporated I TEXAS INSTRUMENTS Board Layout www ti com Figure 7 Bottom Assembly 16 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger SLUUS96A January 2010 Revised July 2010 Copyright O 2010 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Board Layout w TEXAS INSTRUMENTS bq24610 616 617 630 EVM p TPAM22 REV B PH TPB 98 47 9mm 1 89 Inches c J5 C18 C11 e TP5 R9 c12 C23 C20 C25 C27 L RIB S Ut c17 o O R19 TP13 C21 R26TP10 E C26 DO 1 2 B E STATUS INDICATION Figure 8 Top Silkscreen SLUUS396A January 2010 Revised July 2010 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger 17 Copyright O 2010 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS Board Layout www ti com Figure 9 Bottom Silkscreen 18 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger SLUU396A January
3. specifically designated by TI as military grade or enhanced plastic Only products designated by TI as military grade meet military specifications Buyers acknowledge and agree that any such use of TI products which TI has not designated as military grade is solely at the Buyer s risk and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products are designated by TI as compliant with ISO TS 16949 requirements Buyers acknowledge and agree that if they use any non designated products in automotive applications TI will not be responsible for any failure to meet such requirements Following are URLs where you can obtain information on other Texas Instruments products and application solutions Products Applications Amplifiers amplifier ti com Audio www ti com audio Data Converters dataconverter ti com Automotive www ti com automotive DLP Products www dlp com Communications and www ti com communications Telecom DSP dsp ti com Computers and www ti com computers Peripherals Clocks and Timers www ti com clocks Consumer Electronics www ti com consumer apps Interface interface ti com Energy www ti com energy Logic logic ti com Industrial www ti com industrial Power Mgmt power ti com Medical www ti com medical Microcontrollers microc
4. 2010 Revised July 2010 Copyright 2010 Texas Instruments Incorporated X TEXAS INSTRUMENTS Schematics www ti com 6 Schematics me J 3 5 8 v Ds wes nm Em ponn euB z S Ag uma Biez 8z in uow 2100 E af T T T T ou CH j sal OL avoj oe anro arz anvo esr 8 9 40309 pu G37 mo oe pal si d VOV dH dum ak Um T zasi Ser 918 ET fan er 9 SL T LOSI OSI cy Sa Z zas L135 Ov WAG 0 9 ZL9 9 9 0 9pzo8 OBL 001 asw esw DS EE is anu ecu Z ven Z m vera 001 ve 001 vr 001 zissi LESI 19570 E SUSLUUGSUD SDXSI a 10I02004NZ 2 Sia Im 99 ins R8 FUN nasI Loiozeanz ERY j ATINA x Em G 401 ES t Eeo eaman isy iE c LEY eem zy 98 __ sn1z aznz aag mols 0880 gt Ot n ou dec JL AGO 90 pue OA alpen rok afz 628 he qud MEER AYOLYB AHOOV SL mada vj L 2 AJQIVB CSS ZIvIS VIS od fel fel BA Aid lar Pe n el 2 ou Nis ve
5. full refund THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE The user assumes all responsibility and liability for proper and safe handling of the goods Further the user indemnifies TI from all claims arising from the handling or use of the goods Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES TI currently deals with a variety of customers for products and therefore our arrangement with the user is not exclusive TI assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein Please read the User s Guide and specifically the Warnings and Restrictions notice in the User s Guide prior to handling the product This notice contains important safety information about temperatures and voltages For additional information on TTS environmental and or safety programs please contact the TI application engineer or visit www ti com esh No license is granted under any patent right or other intellectual property righ
6. input must be placed close to top buck FET s drain and bottom buck FET s source SLUUS396A January 2010 Revised July 2010 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger 7 Copyright O 2010 Texas Instruments Incorporated I TEXAS INSTRUMENTS Bill of Materials Board Layout and Schematics www ti com 4 Bill of Materials Board Layout and Schematics 4 1 Bill of Materials Table 4 Bill of Materials bq24610 001 bq24617 002 Bq24630 003 bq24616 004 Value RefDes Description Size Part Number Mfr 1 0 0 0 bq24610RGE U1 Charger Controller IC QFN 24 RGE bq24610RGE TI 0 1 0 0 bq24617RGE U1 Charger Controller IC QFN 24 RGE bq24617RGE_ TI 0 0 1 0 bq24630RGE U1 Charger Controller IC QFN 24 RGE bq24630RGE TI 0 0 0 1 bq24616RGE U1 Charger Controller IC QFN 24 RGE bq24616RGE TI 1 1 1 1 0 1uF C3 Capacitor Ceramic 16V X7R 596 603 STD STD 6 6 6 6 0 1uF C7 C8 C13 C1 Capacitor Ceramic 16V X7R 1096 603 STD STD 8 019 033 6 6 6 6 0 1uF C4 C5 C16 C1 Capacitor Ceramic 50V X7R 10 603 STD STD 7 024 026 1 1 1 1 22p C22 Capacitor Ceramic 50V X7R 1096 603 STD STD 0 0 0 0 ee C30 C Capacitor Ceramic 50V X7R 10 603 STD STD 3 3 3 3 1 0uF C1 C6 C15 Capacitor Ceramic 16V X7R 20 805 STD STD 0 0 0 0 C34 Capacitor Ceramic 50V X7R 10 805 STD STD 2 2 2 2 1 0uF 50V C12 C14 Capacitor Ceramic 50V X5R 20
7. on D6 BATDRV off D5 PG on D7 STATT off D8 STAT2 off Turn off PS 1 Measure V J5 SYS 16 5V 0 5V battery connected to system Observe D4 ACDRV off D6 BATDRV on D5 PG off D7 STATT off D8 STAT2 off Turn off power supply 2 and 3 Set JP3 on 1 2 VPULLUP and VREF 3 PCB Layout Guideline 1 It is critical that the exposed power pad on the backside of the bq2461x bq2463x package be soldered to the PCB ground Make sure there are sufficient thermal vias right underneath the IC connecting to the ground plane on the other layers The control stage and the power stage should be routed separately At each layer the signal ground and the power ground are connected only at the power pad AC current sense resistor must be connected to ACP and ACN with a Kelvin contact The area of this loop must be minimized The decoupling capacitors for these pins should be placed as close to the IC as possible Charge current sense resistor must be connected to SRP SRN with a Kelvin contact The area of this loop must be minimized The decoupling capacitors for these pins should be placed as close to the IC as possible Decoupling capacitors for DCIN VREF VCC REGN should make the interconnections to the IC as short as possible Decoupling capacitors for BAT must be placed close to the corresponding IC pins and make the interconnections to the IC as short as possible Decoupling capacitor s for the charger
8. the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 60 C The EVM is designed to operate properly with certain components above 125 C as long as the input and output ranges are maintained These components include but are not limited to linear regulators switching transistors pass transistors and current sense resistors These types of devices can be identified using the EVM schematic located in the EVM User s Guide When placing measurement probes near these devices during operation please be aware that these devices may be very warm to the touch Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright O 2010 Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries Tl reserve the right to make corrections modifications enhancements improvements and other changes to its products and services at any time and to discontinue any product or service without notice Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete All products are sold subject to Tl s terms and conditions of sale supplied at the time of order acknowledgment TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TTS standard warranty Testing
9. 1206 STD STD 1 1 1 1 2 2uF 50V C2 Capacitor Ceramic 50V X7R 2096 1206 STD STD 0 0 0 0 C32 Capacitor Ceramic 50V X7R 20 1206 STD STD 6 6 6 6 10uF 50V C10 C11 C20 Capacitor Ceramic 50V Y5V 1812 STD STD C23 C28 C29 20 80 0 0 0 0 C25 C27 Capacitor Ceramic 50V X5R 20 1812 STD STD 0 0 0 0 D11 Diode Zener 7 5V 350 mW SOT 23 BZX84C7V5 Diodes 0 0 0 0 D10 Diode Schottky 200 mA 30 V SOT23 BAT54 Vishay Liteon 0 0 0 0 D9 Diode Zener 7 5V 350 mW SOT 23 BZX84C7V5 Diodes 6 6 6 6 Green D3 D4 D5 D6 Diode LED Green 2 1V 20mA 6mcd 603 LTST Lite On D7 D8 C190GKT 0 0 0 0 D2 Diode Schottky 1A 40V DO 214AA MBRS140 Fairchild 1 1 1 1 ZLLS350 D1 Diode Schottky 1 16A 40 V SOD 523 ZLLS350 Zetex 1 1 0 1 6 8uH L1 Inductor SMT 9A 19 8milliohm 0 520 sq inch IHLP5050CEE Vishay R6R8M01 0 0 1 0 8 2uH L1 Inductor SMT 9 5A 18 3milliohm 0 520 sq inch IHLP5050CEE Vishay R8R2M01 3 3 3 3 PECO2SAAN JP2 JP4 JP5 Header 2 pin 100mil spacing 0 100 inch x 2 PECO2SAAN Sullins 8 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger Copyright 2010 Texas Instruments Incorporated SLUU396A January 2010 Revised July 2010 1 TEXAS INSTRUMENTS www ti com Table 4 Bill of Materials continued Bill of Materials Board Layout and Schematics bq2
10. 2 TP0610K Q7 Q10 Mosfet P Ch 60V Rds 6 ohms Id SOT 23 TP0610K Vishay 185 mA Siliconix 1 1 1 1 PCB 4 layer 20z PCB HPA422 5 5 5 5 929950 00 Shorting jumpers 2 pin 100mil 929950 00 3M ESD spacing 4 4 4 STANDOFF M F HEX 6 32 NYL 500 4816 Keystone 4 4 4 6 32 NYL Hex nuts NY HN 632 Building Fasteners 10 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger Copyright O 2010 Texas Instruments Incorporated SLUU396A January 2010 Revised July 2010 1 TEXAS INSTRUMENTS www ti com Board Layout 5 Board Layout Figure 2 Top Layer SLUUS396A January 2010 Revised July 2010 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger 11 Copyright O 2010 Texas Instruments Incorporated I TEXAS INSTRUMENTS Board Layout www ti com Figure 3 2 Layer 12 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger SLUU396A January 2010 Revised July 2010 Copyright 2010 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Board Layout Figure 4 3 Layer SLUUS96A January 2010 Revised July 2010 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger 13 Copyright 2010 Texas Instruments Incorporated I TEXAS INSTRUMENTS Board Layout www ti com Figure 5 Bottom Layer 14 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger SLUU396A January 2010 Revised July 2010
11. 2 evaluation board On the test procedure the following naming conventions are followed See the HPA422 schematic for details VXXX External voltage supply name VADP VBT VSBT LOADW External load name LOADR LOADI V TByyy Voltage at internal test point TPyyy For example V TP12 means the voltage at TP12 V Jxx Voltage at jack terminal Jxx V TP XXX Voltage at test point XXX For example V ACDET means the voltage at the test point which is marked as ACDET V XXX YYY Voltage across point XXX and YYY I JXX YYY Current going out from the YYY terminal of jack XX Jxx BBB Terminal or pin BBB of jack xx Jxx ON Internal jumper Jxx terminals are shorted Jxx OFF Internal jumper Jxx terminals are open Jxx YY ON Internal jumper Jxx adjacent terminals marked as YY are shorted Measure A B Check specified parameters A B If measured values are not within specified limits the unit under test has failed Observe gt A B Observe if A B occur If they do not occur the unit under test has failed Assembly drawings have location for jumpers test points and individual components Equipment Power Supplies Power Supply 1 PS 1 a power supply capable of supplying 30 V at 5 A is required Power Supply 2 PS 2 a power supply capable of supplying 5 V at 1 A is required Power Supply 3 PS 3 a power supply capable of supplying 5 V at 1 A is required LOAD 1 A 30V or above 5A or above electronic load
12. 4610 001 bq24617 002 Bq24630 003 bq24616 004 Value RefDes Description Size Part Number Mfr 2 2 2 2 PECO3SAAN JP1 JP3 Header 3 pin 100mil spacing 0 100 inch x 3 PECO3SAAN Sullins 4 4 4 0 R10 R19 R26 Resistor Chip 1 16W 1 402 Std Std R13 1 1 1 1 10 R22 Resistor Chip 1 4W 1 1206 Std Std 1 1 0 0 9 31k R4 Resistor Chip 1 16W 1 402 Std Std 0 0 1 1 2 2k R4 Resistor Chip 1 16W 1 402 Std Std 3 3 3 3 1k R21 R24 R27 Resistor Chip 1 16W 1 402 Std Std 1 1 1 1 100 R8 Resistor Chip 1 16W 196 402 Std Std 1 1 0 0 430k R5 Resistor Chip 1 16W 196 402 Std Std 0 0 1 1 6 8k R5 Resistor Chip 1 16W 196 402 Std Std 1 1 1 1 0 R17 Resistor Chip 1 16W 196 603 Std Std 6 6 6 6 2 21k R31 R34 R35 Resistor Chip 1 16W 196 603 Std Std R36 R39 R40 1 1 1 1 10 R14 Resistor Chip 1 16W 1 603 Std Std 2 2 2 2 10k R29 R30 Resistor Chip 1 16W 1 603 Std Std 6 6 6 6 100k R3 Resistor Chip 1 16W 1 603 Std Std R20 R32 R33 R37 R38 1 1 1 1 10k R16 Resistor Chip 1 10W 1 805 Std Std 1 1 1 1 100k R15 Resistor Chip 1 10W 1 805 Std Std 1 1 1 1 22 1k R12 Resistor Chip 1 10W 1 805 Std Std 1 1 1 1 32 4k R7 Resistor Chip 1 10W 1 805 Std Std 4 4 4 4 100k eee Resistor Chip 1 10W 1 805 Std Std 1 1 1 1 909k R25 Resistor Chip 1 10W 1 805 Std Std 2 2 2 2 3 9 R1 R2 Resistor Chip 1 8W 5 1206 Std Std 2 2 2 2 0 01 R9 R18 Resistor Chip 1 2W 196 2010 WSL2010R01 Vishay OOFEA 1 1 1 1 ED1515 J2 Terminal Block 3 pi
13. R CU RUE 19 List of Tables 1 VO DOSCHIPTION sci eorr D EE 2 2 Controls and Key Parameters Sefingd cc sss s svec eee e e ee ee eer rrer ereenn nennen hene nnn nenne nnn 3 3 Recommended Operating Conditions leeeeeseeeeeeeeeeeseeeee YR ZN nnn NANA ER nnne nnne nnn nnn 3 4 Bill or MaterlalS 525250 nn texesnieaDtexartehrien Nei R RN IEERR E DANDI ERREUR READS 8 SLUUS396A January 2010 Revised July 2010 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger 1 Copyright O 2010 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS Introduction www ti com 1 1 1 1 2 1 3 2 Introduction EVM Features Evaluation Module For bq2461x bq2463x High Efficiency Synchronous Buck Charger User programmable up to 26V Battery Voltage AC Adapter Operating Range 5 V 28 V LED Indication for Control and Status Signals Test Points for Key Signals Available for Testing Purpose Easy Probe Hook up e Jumpers Available Easy to Change Connections General Description The bq2461x is highly integrated Li ion or Li polymer switch mode battery charge controllers The bq2463x is highly integrated switch mode battery charge controllers designed specifically to charge Lithium Phosphate battery chemistries They offer a constant frequency synchronous PWM controller with high accuracy charge current and voltage regulation adapter current regulation termination charge preconditioning and charge sta
14. VREF JP4 The pull up voltage source of ACDRV and BATDRV LED logic circuit Jumper on CHGEN setting JP5 Jumper on CHGEN to VPULLUP Jumper Off Jumper off CHGEN is set to low by pull down resistor 1 5 Recommended Operating Conditions Table 3 Recommended Operating Conditions Symbol Description Min Typ Max Unit 24 617 Supply voltage Vin Input voltage from ac adapter input 5 24 28 V 610 616 63x Battery voltage Var Voltage applied at VBAT terminal of J5 e s ig o V Supply current Inc ui input current from ac adapter 0 45 A Charge current long Battery charge current 2 3 8 A Operating junction temperature range T 0 125 c The bq2461x bq2463x EVM board requires a regulated supply approximately 0 5 V minimum above the regulated voltage of the battery pack to a maximum input voltage of 28 VDC SLUUS396A January 2010 Revised July 2010 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger 3 Copyright O 2010 Texas Instruments Incorporated I TEXAS INSTRUMENTS Test Summary www ti com 2 1 2 2 2 2 1 2 2 2 2 2 3 2 2 4 R25 and R28 can be changed to regulate output Vear 2 1V x 1 R25 R28 for bq2461x Vear 1 8V x 1 R25 R28 for bq2463x Adjust the input voltage as required Output set to operate at 21V bq2461x or 18V bq2463x from the factory Test Summary Definitions This procedure details how to configure the HPA42
15. ake off JP5 Disable the charging Connect the Load 7 2 in series with a current meter multimeter to J5 BAT GND Make sure a voltage meter is connected across J5 BAT GND Turn on the Load 2 Set the output voltage to 12V bq2461x or 2V bq2463x Connect the output of the Load 1 in series with a current meter multimeter to J5 SYS GND Make sure a voltage meter is connected across J5 SYS GND Turn on the power of the Load 1 Set the load current to 3 0A 50mA but disable the load 1 The setup is now like Figure 1 for HPA422 Make sure Ibat 0A 10mA and Isys 0A 10mA Put JP5 on Enable the charging Observe D3 CE on Measure Ibat 300mA 200mA bq2461x Ibat 125mA 60mA bq2463x Observe D7 STATT on D8 STAT2 off Set the Load 2 output voltage to 16 5V Measure Ibat 3000mA 300mA Observe D7 STAT1 on D8 STAT2 off Enable the output of the Load 1 Measure Isys 3000mA 200mA Ibat 1400mA 500mA lin 4000mA 500mA Turn off the Load 1 Measure Isys 0 100mA Ibat 3000mA 300mA Increase the Load 2 output voltage from 16 5V to 22V 61x or 19V 63x Measure Isys 0 100mA Ibat OMA 100mA Observe D7 STATT off D8 STAT2 on Decrease the Load 2 output voltage back to 16 5V Observe gt D7 STATT on D8 STAT2 off bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger SLUUS96A Janua
16. and other quality control techniques are used to the extent TI deems necessary to support this warranty Except where mandated by government requirements testing of all parameters of each product is not necessarily performed TI assumes no liability for applications assistance or customer product design Customers are responsible for their products and applications using Tl components To minimize the risks associated with customer products and applications customers should provide adequate design and operating safeguards TI does not warrant or represent that any license either express or implied is granted under any TI patent right copyright mask work right or other TI intellectual property right relating to any combination machine or process in which TI products or services are used Information published by TI regarding third party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from TI under the patents or other intellectual property of TI Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices Reproduction of this information with alteration is an unfair and deceptive
17. business practice TI is not responsible or liable for such altered documentation Information of third parties may be subject to additional restrictions Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications and acknowledge and agree that they are solely responsible for all legal regulatory and safety related requirements concerning their products and any use of TI products in such safety critical applications notwithstanding any applications related information or support that may be provided by TI Further Buyers must fully indemnify TI and its representatives against any damages arising out of the use of TI products in such safety critical applications TI products are neither designed nor intended for use in military aerospace applications or environments unless the TI products are
18. j User s Guide TEXAS SLUUS96A January 2010 Revised July 2010 INSTRUMENTS bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger Contents 1 Tomate Tee Em 2 1 1 EVM T 2 1 2 General R eiei T 2 1 2 feas edi cn 2 1 4 1 4 Controls and Key Parameters Setting cesses sse eee eee e teense ease n nmm mnn 3 1 5 Recommended Operating Conditions ceeeeseeeseeeseseeseeee enne hene 3 2 Bes MEI 4 2 1 DENNIIONS setae ch wnat ace acc TESTES 4 2 2 Ss ein 4 2 3 SOUTIEN E E E aZe RE EE UEES 5 2 4 anses E eL mS 6 3 PCB Layout Guideline MRC 7 4 Bill of Materials Board Layout and Schematics css s se e e e c c c ee e e eee e e e 8 4 1 Billof TT 8 5 See M Ue eme 11 6 Negro Moe EID 19 List of Figures 1 Original Test Setup for HPA422 bq2461x bq2463x EVMI sss se e e e e e e e ee eee II III mnn 5 2 MOP LAY SR 11 3 De MAY OP HHT 12 4 Save 13 5 Bottom BTE 14 6 Top Assembly 55523 ves sus ka a E unarne OENE Viewbbelanevatarety KRRREPAVANR CUN PANDA NU RN NUN E ANE 15 7 Bottom ec un 16 8 TOP SIIKSCIESM m 17 9 STs TEZ seize 18 10 bq2461x bq2463x EVM S lieimalic 2 ncesnce nna reet crret en tre ee rcc ecu rA ORA A DEPO E SPA knee NSCA SE
19. n 6A 3 5mm n x 0 25 ED555 3DS OST inc 2 2 2 2 ED1516 J3 J4 Terminal Block 4 pin 6A 3 5mm en x 0 25 ED555 4DS OST inc 1 1 1 1 ED120 2DS J1 Terminal Block 2 pin 15A 5 1mm hdd x 0 35 ED120 2DS OST inc 1 1 1 1 ED120 4DS J5 Terminal Block 4 pin 15A 5 1mm iS x 0 35 ED120 4DS OST inc SLUUS396A January 2010 Revised July 2010 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger Copyright O 2010 Texas Instruments Incorporated 9 I TEXAS INSTRUMENTS Bill of Materials Board Layout and Schematics www ti com Table 4 Bill of Materials continued bq24610 001 bq24617 002 Bq24630 003 bq24616 004 Value RefDes Description Size Part Number Mfr 1 1 1 1 5001 GND Test Point Black Thru Hole Color 0 100 x 0 100 5001 Keystone Keyed inch 14 14 14 14 5002 ACDRV BAT Test Point White Thru Hole Color 0 100 x 0 100 5002 Keystone DRV PG Keyed inch ACSET CHGE N ISET1 ISET 2 REGN STAT1 STAT2 TS TTC VCC VREF 5 5 5 5 131 4244 00 TP1 TP2 TP8 Adaptor 3 5 mm probe clip or 0 200 inch 131 4244 00 Tektronix TP9 TP12 131 5031 00 3 3 3 3 2N7002DICT Q6 Q8 Q9 MOSFET N ch 60V 115mA SOT23 2N7002DICT Vishay Liteon 1 20hms 3 3 3 3 SI4401BDY Q1 Q2 Q5 MOSFET PChan 40V 18A S0 8 SI4401BDY Vishay T1 GE Note 5 9 2millohm FDS4141 Siliconxi FDS4141 Fairchild 2 2 2 2 FDS8447 Q3 Q4 MOSFET NChan 40V 50A 4 5 S0 8 FDS8447 Vishay millohm Siliconix 2 2 2
20. onnected to system J5 VBAT Connected to battery pack bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger SLUUS96A January 2010 Revised July 2010 Copyright O 2010 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Introduction Table 1 I O Description continued Jack Description J5 GND Ground JP1 LOW Ground JP1 TTC Timer capacitor pin JP1 HI Pull up voltage source JP2 HI Pull up voltage source JP2 LEDPWR LED Pull up power line JP3 VREF IC reference voltage VREF JP3 VPULLUP Pull up voltage source JP3 EXT External voltage supply from J2 JP4 VCC Pull up voltage source of ACDRV and BATDRV LED logic circuit JP4 VCOM Q7 and Q11 common source JP5 HI Pull up voltage source JP5 CHGEN Charge enable 1 4 1 4 Controls and Key Parameters Setting Table 2 Controls and Key Parameters Setting Jack Description TTC setting 1 2 Connect TTC to GROUND Disable termination and the safety timer 2 3 Connect TTC to VPULLUP Allow termination but disable the safety time 2 floating Allow termination CTTC sets the safety timer Factory Setting JP1 Jumper on 2 3 TTC and VPULLUP JP2 The pull up power source supplies the LEDs when on LED has no power source when off VPULLUP setting JP3 1 2 Connect VPULLUP to VREF Jumper On Jumper On 1 2 VPULLUP and 2 3 Connect VPULLUP to VEXT
21. ontroller ti com Security www ti com security RFID www ti rfid com Space Avionics amp www ti com space avionics defense Defense RF IF and ZigBee Solutions www ti com Iprf Video and Imaging www ti com video Wireless www ti com wireless apps Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2010 Texas Instruments Incorporated
22. ry 2010 Revised July 2010 Copyright O 2010 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com PCB Layout Guideline 2 4 4 2 4 5 A CON OD Ci Charger Cut Off by Thermistor Slowly increase the output voltage of PS2 until Ibat 0 10mA Measure V J4 TS 2 44V 200mV Observe D7 STATT off D8 STAT2 off Slowly decrease the output voltage of PS2 to 1 4V 0 1V Measure V J4 TS 1 4V 100mV Measure Ibat 3000mA x 300mA bq24610 617 Ibat OMA 100mA bq24616 Ibat 375mA 150mA bq2463x Observe D7 STATT on D8 STAT2 off bq24610 617 630 Observe D7 STATT off D8 STAT2 off bq24616 Slowly decrease the output voltage of PS2 Charge will resume Continue to decrease the output voltage of PS2 slowly until Ibat 0 10mA Measure V J4 TS 1 14V 200mV Observe D7 STATT off D8 STAT2 off Slowly increase the output voltage of PS2 to 1 8V 100mV Measure Ibat 3000mA 200mA Observe D7 STATT on D8 STAT2 off Power Path Selection Take off JP5 Disable the charging Observe D3 CE off D7 STATT off Set JP3 Jumper On 2 3 VPULLUP and VEXT Connect the output of the power supply 3 to J2 VEXT GND Set the power supply 3 for 3 3V 200mVDC 1 0 0 1A current limit Set the Load 2 output voltage to 16 5V 500mV Measure V J5 SYS 24V 1V adapter connected to system Observe D4 ACDRV
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24. t of TI covering or relating to any machine process or combination in which such TI products or services might be or are used FCC Warning This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use It generates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in other environments may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required to correct this interference EVM Warnings and Restrictions It is important to operate this EVM within the input voltage range of 5 V to 28 V and the output voltage range of 0 V to 26 V Exceeding the specified input range may cause unexpected operation and or irreversible damage to the EVM If there are questions concerning the input range please contact a TI field representative prior to connecting the input power Applying loads outside of the specified output range may result in unintended operation and or possible permanent damage to the EVM Please consult the EVM User s Guide prior to connecting any load to the EVM output If there is uncertainty as to
25. ter the above steps the test setup for HPA422 is shown in Figure 1 bq24610 616 617 30 EVM HPA422 ACPWR Tel TP12 ACPWR sys PGND At A se BAT TP9 PGND vec P ACSET ISETI VBAT APPLICATION CIRCUIT Figure 1 Original Test Setup for HPA422 bq2461x bq2463x EVM SLUUS396A January 2010 Revised July 2010 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger Copyright O 2010 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS Test Summary www ti com 2 4 Procedure 2 4 1 2 4 2 2 4 3 AC Adapter Detection Threshold Make sure EQUIPMENT SETUP steps are followed Turn on PS 2 Turn on PS 1 Measure V J5 SYS 0 500mV Measure V TP VREF OV 1000mV Measure V TP REGN OV 500mV Increase the output voltage on PS 1 until D5 PG on but do not exceed 5V Set the power supply 2 to 1 8V 100mVDC Measure V J1 VIN 4 5V 0 5V Measure V J5 SYS 4 5V 0 5V Measure V TP VREF 3 3V 200mV Measure V TP REGN OV 500mV Measure D4 ACDRV on D5 PG on Charger Regulation Voltage Increase the voltage of PS 1 until V J1 VIN 24V 0 1V Measure V J5 BAT GND OV 1V Put JP5 on Enable the charging Observe D3 CE on Measure Peak V J5 BAT 21 0V 1V bq2461x Peak V J5 BAT 18 0V 1V bq2463x Measure V TP REGN 6V 500mV Charge Current and AC Current Regultion DPM T
26. that can operate at constant current mode LOAD 2 A Kepco bipolar operational power supply amplifier O 30V or above 0 6A or above Oscilloscope Tektronix TDS3054 scope or equivalent 10X voltage probe bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger SLUU396A January 2010 Revised July 2010 Copyright 2010 Texas Instruments Incorporated 14 TEXAS INSTRUMENTS www ti com 2 2 5 METERS Seven Fluke 75 multimeters equivalent or better Or Four equivalent voltage meters and three equivalent current meters The current meters must be capable of measuring 5A current 23 Equipment Setup Connect a voltage meter across J1 VIN GND Connect the output of the power supply 2 to J4 and J5 TS GND NO UI d Miss Connect a voltage meter across J5 BAT GND 9 Connect an oscilloscope s probe across J5 BAT GND 10 Connect a voltage meter across J5 SYS GND Set the power supply 1 for OV 100mVDC 5 0 0 1A current limit and then turn off supply Connect the output of power supply 1 in series with a current meter multimeter to J1 VIN GND Set the power supply 2 for OV 100mVDC 1 0 0 1A current limit and then turn off supply Connect Load 1 in series with a current meter to J5 SYS GND Turn off Load 1 Connect Load 2 in series with a current meter to J5 BAT GND Turn off Load 2 11 JP1 TTC and HI ON JP2 ON JP3 VPULLUP and VREF ON JP4 ON JP5 OFF Af
27. tus monitoring The bq2461x bq2463x charges the battery in three phases preconditioning constant current and constant voltage Charge is terminated when the current reches a minimum user selectable level A programmable charge timer provides a safety backup for charge termination The bq2461x bq2463x automatically restarts the charge cycle if the battery voltage falls below an internal threshold and enters a low quiescent current sleep mode when the input voltage falls below the battery voltage The dynamic power management DPM function modifies the charge current depending on system load conditions avoiding ac adapter overload High accuracy current sense amplifiers enable accurate measurement of the ac adapter current allowing monitoring of overall system power For details see bq24610 and bq24617 SLUS892 bq24616 SLUSA49 and bq2463x SLUS894 data sheets _ LO Description Table 1 I O Description Jack Description J1 DCIN AC adapter positive output J1 GND AC adapter negative output J2 VEXT External power supply positive output J2 GND External power supply negative output J2 TTC Timer capacitor pin J3 ACSET Input current program pin J3 ISET1 Charge Current Program Pin J3 ISET2 Pre charge Termination program pin J3 GND Ground J PG Power Good active low J4 CHGEN Charge enable J4 VREF IC reference voltage VREF J4 TS Temperature Qualification Voltage Input J5 VSYS C
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