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RAA271041 - Cold Crank Boost and Buck Controller

Product Overview

Renesas

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RAA271041 Cold Crank Boost and Buck Controller by Renesas - Datasheet Preview — Datasheet preview – RAA271041

Datasheet Details

Part number	RAA271041
Manufacturer	Renesas
File Size	1.15 MB
Description	Cold Crank Boost and Buck Controller
Datasheet	RAA271041 Datasheet
Additional preview pages of the RAA271041 datasheet.

Product details

Description

The RAA271041 is a controller for a dual regulator system capable of supporting ASIL-D automotive systems which must operate during battery dropout conditions.

Features

ASIL-D Functional Safety.
40V boost and buck integrated driver controller.
FET drivers support source/sink current of 2A/3A.
Low IQ with ECM mode of 8µA typical (buck Channel 1 only).
Separate or Combined Wake (Enable) inputs for each channel.
Minimized FET ON and OFF times (25ns and 45ns).
High-efficiency buck exceeding 80% at 10mA.
Buck frequency options 440kHz or 2.2MHz.
Boost frequency options 440kHz or 2.2MHz (2.2MHz Boost requires 2.2MHz Buck f.

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Published: Jan 17, 2025 |