Power Management ICs for Automotive Body Control

ROHM's power management ICs, designed for automotive body applications, integrate regulators that supply voltage to microcontrollers in equipment such as ITS (Intelligent Transport System), body control, and AV, watchdog timer voltage detector ICs that monitor the microcontroller, power supplies for hybrid systems, and LED drivers. All models feature high reliability and low power consumption for longer battery life.

The Regulator Quick Search searches from among the series listed below.
3-pin regulators, LDO regulators, secondary LDO regulators, CMOS LDO regulators (for portables), switching regulators with built-in FET, switching regulator controllers (compatible with external high-current FETs), power supply ICs for PCs, and powre supply ICs for flat panel TVs, Power Management ICs for Automotive Body Control

Broad Lineup Power Management ICs for Automotive Body Control

High Voltage LDO Regulators

±2% voltage accuracy across the entire operating temperature range
50V voltage resistance ensures worry-free operation
Compatible with ceramic capacitors for output phase compensation

LDO Regulators

Low current consumption ensures longer battery life
Low ON-resistance Pch DMOS output prevents battery failures
Compatible with ceramic capacitors for output phase compensation

Voltage Detector ICs with Watchdog Timer

Reset delay time set using small capacitance capacitors
Compact MSOP8 package saves space(All models except BD99A41F)
Selectable watchdog timer switching logic

Regulator with Voltage Detector IC

Variable detection voltage ensures wide compatibility
Built-in reduced voltage detection circuit
Output voltage maintained, even during surges

Regulators with Voltage Detector and Watchdog Timer

±2% voltage accuracy across the entire operating temperature range(BD3004HFP, BD3005HFP)
50V voltage resistance ensures worry-free operation
(BD3004HFP, BD3005HFP)

Voltage Tracker

Strong against unstable signals from the external ECU
Output offset voltage : ±15mV
High voltage resistance

LED Drivers for Automotive Light

High accuracy current output(±3%)
H/L Current setting switch control
Built-in LED open/short protection circuit

LED Indicator Driver

High voltage resistance output ports eliminate the need for external high voltage resistance power transistors
Expanded bit capability through cascading
Standby function (via SDWN terminal) reduces power consumption