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BM67290FV-C Dataheets PDF



Part Number BM67290FV-C
Manufacturers Rohm
Logo Rohm
Description High Voltage Detection
Datasheet BM67290FV-C DatasheetBM67290FV-C Datasheet (PDF)

For Electric Cars & Hybrid Cars Isolation Voltage 2,500Vrms High Voltage Detection IC BM67290FV-C General Description This is a voltage detector IC for DC-DC converter. Aside from being capable of converting input voltage to duty, it has built in protection functions against low voltage, overvoltage and active overvoltage. Features  Built-in input PWM modulation circuit  Built-in low voltage lock out circuit  Built-in input under voltage protection function  Built-in input overvoltage prot.

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For Electric Cars & Hybrid Cars Isolation Voltage 2,500Vrms High Voltage Detection IC BM67290FV-C General Description This is a voltage detector IC for DC-DC converter. Aside from being capable of converting input voltage to duty, it has built in protection functions against low voltage, overvoltage and active overvoltage. Features  Built-in input PWM modulation circuit  Built-in low voltage lock out circuit  Built-in input under voltage protection function  Built-in input overvoltage protection function  Built-in magnetic isolator  Built-in active overvoltage protection function  Built-in reference voltage output Key Specifications  Isolation Voltage: 2,500Vrms (Max)  Power Source Voltage Range (high voltage side): 8.0V to 24V  Power Source Voltage Range (low voltage side): 3.0V to 5.5V  Reference Voltage : 5V±1.5%  Oscillation Frequency Variability: 10kHz to 250kHz (Typ) Package W(Typ) x D(Typ) x H(Max) Application  DC-DC converter Typical Application Circuit SSOP-B20W 6.50mm x 8.10mm x 2.01mm VBIAS VDD1 VDD2 REF NC VH OUT RFOV NC RFLV SD1 VDTY SD2 VACT NC RT NC GND1 GND2 GND1 GND2 VBIAS Controller Figure 1. Example of a Typical Application Circuit of DC-DC Converter ○Product structure: Silicon integrated circuit ○This product has no designed protection against radioactive rays www.rohm.com © 2014 ROHM Co., Ltd. All rights reserved. TSZ22111・14・001 1/30 TSZ02201-0727ABZ00010-1-2 10.Nov.2014 Rev.001 BM67290FV-C Pin Configuration REF GND1 RFOV RFLV VH VDTY VDD1 VACT GND1 RT GND2 NC VDD2 NC OUT SD1 NC SD2 NC GND2 Figure 2. BM67290FV-C Package (SSOP-B20W) Pin Descriptions Terminal Number Code 1 REF 2 GND1 3 RFOV 4 RFLV 5 VH 6 VDTY 7 VDD1 8 VACT 9 GND1 10 RT 11 GND2 12 NC 13 SD2 14 NC 15 SD1 16 OUT 17 NC 18 VDD2 19 NC 20 GND2 I/O Function O Reference voltage terminal - Grounding terminal 1 (high voltage side) I Input overvoltage protection value setting terminal I Input low voltage protection value setting terminal I Input voltage signal terminal I Input voltage signal terminal for Duty - Power source terminal 1 (high voltage side) I Active voltage signal terminal - Grounding terminal 1 (high voltage side) I Timing resistance terminal - Grounding terminal 2 (low voltage side) - Disconnected terminal O Protective cutoff terminal 2 - Disconnected terminal O Protective cutoff terminal 1 O Input voltage monitoring condition output signal terminal - Disconnected terminal - Power source terminal 2 (low voltage side) - Disconnected terminal - Grounding terminal 2 (low voltage side) www.rohm.com © 2014 ROHM Co., Ltd. All rights reserved. TSZ22111・15・001 2/30 TSZ02201-0727ABZ00010-1-2 10.Nov.2014 Rev.001 BM67290FV-C Block Diagram VDD1 REF VACT VH RFOV RFLV VDTY RT GND1 Internal circuit VDD UVLO COMP VDD 7.7V/7.4V REF REG12V REGlogic Internal circuit (UVLO) 4.2V/4.0V REF/ 4.0V VACT COMP REF UVLO COMP (PRT1) Transformer 1 (PWM) Transformer driving circuit VHOV COMP.


EDC006 BM67290FV-C MC74HC14


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