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AT9932 - Automotive Boost-Buck LED Lamp Driver

Description

The AT9932 is an advanced fixed frequency PWM controller IC designed to control an LED lamp driver using a boost-buck topology that can step the input voltage up or down automatically.

Features

  • Constant output current Steps output voltage up or down Very low susceptibility to Input voltage transients Frequency jitter Externally programmable fixed switching frequency Temperature foldback with external NTC resistor Internal 40V voltage regulator +/-1A MOSFET gate driver Short LED protection Open LED protection Input undervoltage protection Enable & PWM dimming Trimmed reference (±3% accurate) AEC-Q100 comp.

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Datasheet preview – AT9932

Datasheet Details

Part number AT9932
Manufacturer Supertex
File Size 659.12 KB
Description Automotive Boost-Buck LED Lamp Driver
Datasheet download datasheet AT9932 Datasheet
Additional preview pages of the AT9932 datasheet.

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Full PDF Text Transcription

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Supertex inc. Automotive Boost-Buck LED Lamp Driver IC Features ► ► ► ► ► ► ► ► ► ► ► ► ► ► Constant output current Steps output voltage up or down Very low susceptibility to Input voltage transients Frequency jitter Externally programmable fixed switching frequency Temperature foldback with external NTC resistor Internal 40V voltage regulator +/-1A MOSFET gate driver Short LED protection Open LED protection Input undervoltage protection Enable & PWM dimming Trimmed reference (±3% accurate) AEC-Q100 compliant www.DataSheet4U.com AT9932 General Description The AT9932 is an advanced fixed frequency PWM controller IC designed to control an LED lamp driver using a boost-buck topology that can step the input voltage up or down automatically.
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