EVBUM2224 - NCV887701 Automotive Grade High
Contents
1. TDK Corporation CGA3E2C0G1H332J080AA Yes GCM1885C1H151JA16D Yes Murata Electronics GCM21BR71H104KA37L Yes North America EMZA500ADA221 MJA0G Yes EEU FC1H471 Yes Nichicon RHS1V101MCN1GS No Murata Electronics GCM32ER71H475KA55L Yes North America IHLP5050FDER2R2M01 A Vishay Dale 61A poj Vishay Dale CRCW06030000Z0EA Yes ERJ 8BWJR022V ON Semiconductor NVMFS5844NL CRCW0603249RFKEA Yes Panasonic Electronic Components 0 68 Q 1 Panasonic Electronic Components Vishay Dale CRCWO6035R60FKEA Yes N A ON Semiconductor ERJ 3ROFR68V Yes NCV887701 N E http onsemi com 6 NCV887701BSTGEVB PCB LAYOUT NCV887701 Demo Board Rev 1 TOP Layer 01 13 2014 NCY887701 Demo Board REV 1 01 13 14 Figure 5 Top View NCV887701 Demo Board Rev 1 BOTTOM Layer 01 13 2014 Figure 6 Bottom View http onsemi com 7 NCV887701BSTGEVB ON Semiconductor and Q are registered trademarks of Semiconductor Components Industries LLC SCILLC SCILLC owns the rights to a number of patents trademarks copyrights trade secrets and other intellectual property A listing of SCILLC s product patent coverage may be accessed at www onsemi com site pdf Patent Marking pdf SCILLC reserves the right to make changes without further notice to any products herein SCILLC makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does SCILLC assume any liabili2. F 50V 10 X7R 0603 C4 CO1 1 Cli CO6 CO2 CO3 CO4 5 1 1 1 CAP CER 1UF 50V 10 X7R 0805 CAP CER 150PF 50V 5 NPO 0603 CAP CER 0 1UF 50V 10 X7R 0805 CAP ALUM 220UF 50V 20 SMD CAP ALUM 470UF 50V 20 RADIAL CAP ALUM 100UF 35V 20 SMD CAP CER 4 7UF 50V 10 X7R 1210 CAP CER 3300PF 50V 5 NPO 0603 Cc C C C 2 3 5 I I CSNB INDUCTOR POWER R R2 R3 2 2UH 22A SMD N Channel Power MOSFET 60V 61A SO 8FL RES 3 01K OHM 1 10W 1 0603 SMD RES 10 7K OHM 1 10W 1 0603 SMD RES 0 0 OHM 1 10W JUMP 0603 SMD RES 249 OHM 1 10W 1 0603 SMD RES 0 022 OHM 1W 5 1206 SMD RES 0 68 OHM 1 10W 1 0603 SMD RES 5 6 OHM 1 10W 1 0603 SMD Ee All Materials are ROHS Compliant 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 P 1 1 1 Automotive Non Sync Boost Controller CAP CER 1UF 16V 10 1 uF 10 X7R 0603 40 V 4 0 A Schottky 40 V N ON Semiconductor NRVB440MFST1G No Rectifier SO8 FL 4A NCV887701BSTGEVB BILL OF MATERIALS Toler Value ance 0 033 uF TDK Corporation Murata Electronics North America Substi tution Allowed Manufacturer s Part Number GCM1885C1H471JA16D Manufacturer Murata Electronics Yes North America CGA3E2X7R1H333K080AA Yes GCM188R71C105KA64D Yes CGA4J3X7R1H105K125AB Yes 1 0 uF TDK Corporation 150 pF 5 Murata Electronics North America 220 uF Chemi Con 470 uF 20 Panasonic Electronic Components 3300 pF
3. NCV887701BSTGEVB NCV887701 Automotive Grade High Frequency Start Stop Boost Controller Evaluation Board User s Manual Description This NCV887701 evaluation board provides a convenient way to evaluate a high frequency boost controller designed to supply a minimum output voltage during Start Stop vehicle battery voltage sags The unit is in low Ig sleep mode under normal battery operating condition and wakes up when the monitored voltage drops below 7 3 V and begin regulating once 6 8 V is reached Switching frequency is set to 440 kHz with a user selectable ROSC resistor The evaluation board is rated 6 8 V 3 6 A at a 2 6 V input voltage Operation below 2 6 V is possible if output current is reduced ON Semiconductor http onsemi com EVAL BOARD USER S MANUAL Key Features Automatic Enable below 7 3 V Disable Override Function Boost Operation at 6 8 V 440 kHz Switching Freguency Input Undervoltage Lockout Wide Input Voltage of 2 6 V to 45 V Low Quiescent Current in Sleep Mode lt 12 uA Typical e Cycle by Cycle Current Limit Protection Automotive Grade NCV887701 Remo Boord REV 1 01 13 14 mt Figure 1 NCV887701 Start Stop Evaluation Board O Semiconductor Components Industries LLC 2014 February 2014 Rev 0 Publication Order Number EVBUM2224 D NCV887701BSTGEVB Table 1 EVALUATION BOARD TERMINALS VIN large post Positive DC input voltage power GND large post Common DC r
4. eturn power VOUT large post Regulated DC output voltage power GND small post Common DC return monitoring point VC small post Voltage compensation monitoring point SW a os Table 2 ABSOLUTE MAXIMUM RATINGS Voltages are with respect to GND tg Pe Junction Temperature Ambient temperature Evaluation Board Stresses exceeding those listed in the Maximum Ratings table may damage the device If any of these limits are exceeded device functionality should not be assumed damage may occur and reliability may be affected Table 3 ELECTRICAL CHARACTERISTICS TA 25 C 2 6 V lt Vin lt Vout LED Vpisg 5 V unless otherwise specified Characteristics Conditions Typical Value Unit Switching User Selectable Frequency Range ROSC refer to datasheet 170 500 Current Limit Protections VOUT Undervoltage Lockout UVLO VOUT falling Thermal Shutdown Ta increasing Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions unless otherwise noted Product performance may not be indicated by the Electrical Characteristics if operated under different conditions http onsemi com 2 NCV887701BSTGEVB Operational Guidelines The evaluation board is rated to operate under full load for input voltage as low as 2 6 V at the input terminal under full power less if output current is reduced Start Stop applications use reverse battery protection diodes in
5. front of the boost converter Figure 2 so the input source can operate down to 2 6 V plus a diode drop i e 3 V Notes 1 The IC UVLO undervoltage lockout is 4 25 V for VOUT rising 3 8 V for VOUT falling 0 45 V hysteresis 2 Limit time spent with the power supply operating at minimum input voltage equivalent to VIN 2 6 V to avoid overheating the power semiconductors First Time Power Up 1 Connect a DC source voltage 15 A capable set to a voltage of 12 13 V as shown in Figure 1 2 Connect the DISB TTL control signal as shown in Figure 1 The initial DISB state should be set to logic 0 DISB Command Reverse Polarity _ 7777 Protection Diode Harness PS2 30 W capable 15 A capable 3 Connect a 3 6 A constant current load on the output 4 Decrease the DC input voltage until the PCB VIN voltage is 5 5 V 0 5 V 5 Set the DISB control signal to a TTL high state i e 5 V Verify that the unit is regulating at VOUT 6 8 V 7 Reduce the DC input voltage until the PCB VIN 2 6 V Verify that the unit is regulating at VOUT 6 8 V an Start Stop Voltage Transient Test 1 Connect both DC1 and DC2 input power supplies as illustrated in Figure 2 Adjust DC2 so that PCB VIN 2 6 V for a 3 6 A load 2 Connect a 3 6 A load on the output If a load resistor is used it is recommended to start from a DC1 input voltage of 8 5 9 0 V to avoid overstressing the PCB boost d
6. iode D1 rated 4 A 3 Monitor VOUT Disconnect supply DC1 VOUT should have a response similar to that of Figure 3 NCV887701 3 6A 6 8V 3 6A 7 A Constant Evaluation Board UI Current Load Figure 2 Evaluation Board Connections http onsemi com 3 NCV887701BSTGEVB Typical Performance DCI is disabled then re enabled 500 psidiv Stop 7e9v 50 0KS 10msIsfEdge Negative Figure 3 NCV887701 Evaluation Board Waveforms DC2 at VIN adjusted to 2 6 V after reverse polarity protection diode VOUT 6 8 V lour 3 6 A http onsemi com 4 NCV887701BSTGEVB SCHEMATIC iu Teuruz32 INOA 92 909 25079 deo soetz 1NOA TISTIRTed UT szoqstsez MT S 90ZT SUUO ZZ0 0 OML ONO E A _ ONO sop r 001 NOL NOOL apa OD 09 ZOD 1noA MOR O 1NOA 890 dWYaN gt Anon GINOA dNa 22200 2200 sy gy iu 697 pd SNSI ddooce jo SNSD ano LO E 3553 INPPOSSANAN I ha R MS An ano ano NOS NOS 3004 4nozz 19 zlo T NIA gt w azor do LOZZ88NON svee asia ssia 3S0 F gt 50y SNSI DA SNSI QA ANON Sanon nos ocu A ang yo SA O O9n an co 34001 Ayaa O HO LOWZUTUJOJOSOSATHI z NIA L NIA O HZZ 11 O MS NIA Figure 4 NCV887701 Boost 6 8 V 3 6 A Evaluation Board Schematic http onsemi com Table 4 BILL OF MATERIALS Reference QTY 2 2 3 DN 2 Designator s Description CAP CER 470PF 50V 5 NPO 0603 CAP CER 0 033U
7. ive Action Employer This literature is subject to all applicable copyright laws and is not for resale in any manner PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT N American Technical Support 800 282 9855 Toll Free ON Semiconductor Website www onsemi com Literature Distribution Center for ON Semiconductor USA Canada P O Box 5163 Denver Colorado 80217 USA Europe Middle East and Africa Technical Support Order Literature http www onsemi com orderlit Phone 303 675 2175 or 800 344 3860 Toll Free USA Canada Phone 421 33 790 2910 zak Fax 303 675 2176 or 800 344 3867 Toll Free USA Canada Japan Customer Focus Center For additional information please contact your local Email orderlit onsemi com Phone 81 3 5817 1050 Sales Representative EVBUM2224 D
8. ty arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation special consequential or incidental damages Typical parameters which may be provided in SCILLC data sheets and or specifications can and do vary in different applications and actual performance may vary over time All operating parameters including Typicals must be validated for each customer application by customer s technical experts SCILLC does not convey any license under its patent rights nor the rights of others SCILLC products are not designed intended or authorized for use as components in systems intended for surgical implant into the body or other applications intended to support or sustain life or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application Buyer shall indemnify and hold SCILLC and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising out of directly or indirectly any claim of personal injury or death associated with such unintended or unauthorized use even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part SCILLC is an Equal Opportunity Affirmat
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