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What is BM67290FV-C?

This electronic component, produced by the manufacturer "ROHM Semiconductor", performs the same function as "High Voltage Detection IC".


BM67290FV-C Datasheet PDF - ROHM Semiconductor

Part Number BM67290FV-C
Description High Voltage Detection IC
Manufacturers ROHM Semiconductor 
Logo ROHM Semiconductor Logo 


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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.
TSZ2211114001
1/30
TSZ02201-0727ABZ00010-1-2
10.Nov.2014 Rev.001

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BM67290FV-C equivalent
BM67290FV-C
(2) Timing when VDD1 is ON first before VDD2
When VDD1 turns ON and reaches VthVDD1, REF turns ON. When REF reaches VthREF, CT turns ON.
When VDD2 turns ON, SD1=H, SD2=L and OUT=L initially..
When VDD2 reaches VthVDD2, DUTY will be immediately outputted to OUT pin at the next CLK pulse.
SD1 and SD2 behavior at CLK’s 2nd pulse is still the same with (1), SD1=L and SD2=Hi-Z at CLK’s 2nd pulse.
VTHVDD2
VDD2
0V
VTHVDD1H
VTHLVDD1L
VDD1
0V
VTHREFH
VTHREFH
REF
0V
VthOV,VthVACT
VthOV×VOVZ
VHVACT
VthHPWL
(CT)
VH
VDTY
VTHLV
VTHLV×VLVH
VTHLPWL
0V
H
(CLK)
L
VDD2
OUT
0V
H
(PRT1)
L
H
(PRT2)
L
VDD2
SD1
0V
Hi-Z
SD2
0V
Figure 4. VDD1 Start to VDD2 Start Timing Chart
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
5/30
TSZ02201-0727ABZ00010-1-2
10.Nov.2014 Rev.001


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On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for BM67290FV-C electronic component.


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Featured Datasheets

Part NumberDescriptionMFRS
BM67290FV-CThe function is High Voltage Detection IC. ROHM SemiconductorROHM Semiconductor

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