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RAA271041 - Cold Crank Boost and Buck Controller

Renesas

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Datasheet Details

Part number	RAA271041
Manufacturer	Renesas ↗
File Size	1.15 MB
Description	Cold Crank Boost and Buck Controller
Datasheet	RAA271041-Renesas.pdf

RAA271041 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 |