Power Management ICs for Automotive Body Control
Voltage Detector ICs
with Watchdog Timer
BD37A19FVM,BD37A41FVM,BD87A28FVM,BD87A29FVM
BD87A34FVM,BD87A41FVM,BD99A41F
No.10039EAT12
●Description
The BD37A19FVM, BD37A41FVM, BD87A28FVM, BD87A29FVM, BD87A34FVM, BD87A41FVM and BD99A41F are
watchdog timer reset ICs. It delivers a high precision detection voltage of 1.5% and a super-low current consumption of 5
µA (Typ.). It can be used in a wide range of electronic devices to monitor power supply voltages and in system operation to
prevent runaway operation.
●Features
1) High precision detection voltage: 1.5%, 2.5% (Ta = −40℃ to 105℃)
2) Super-low current consumption: 5 µA (Typ.)
3) Built-in watchdog timer
4) Reset delay time can be set with the CT pin's external capacitance.
5) Watchdog timer monitor time and reset time can be set with the CTW pin's external capacitance.
6) Output circuit type: N-channel open drain
7) Package: MSOP8 (BD37A□□FVM, BD87A□□FVM) / SOP8 (BD99A41F)
●Applications
All devices using microcontrollers or DSP, including vehicle equipment, displays, servers, DVD players,
and telephone systems.
●Product line
INH logic
H: Active
L: Active
Model
BD37A□□FVM
BD99A41F
BD87A□□FVM
Detection voltage
1.9 V/4.1V
4.1 V
2.8V/2.9V/3.4 V/4.1V
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