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A4940

Part Number	A4940
Manufacturer	Allegro Micro Systems
Description	Automotive Full Bridge MOSFET Driver
Published	Jun 6, 2009
Detailed Description	A4940 Automotive Full Bridge MOSFET Driver www.datasheet4u.com Features and Benefits ▪ High current gate drive for N-ch...
Datasheet	A4940 PDF File

Overview

A4940 Automotive Full Bridge MOSFET Driver www.
datasheet4u.
com Features and Benefits ▪ High current gate drive for N-channel MOSFET full bridge ▪ Independent control of each MOSFET ▪ Charge pump for low supply voltage operation ▪ Cross-conduction protection with adjustable dead time ▪ 5.
5 to 50 V supply voltage range ▪ Diagnostics output ▪ Low current sleep mode Description The A4940 is a full-bridge controller for use with external N-channel power MOSFETs and is specifically designed for automotive applications with high-power inductive loads such as brush DC motors.
A unique charge pump regulator provides full ( >10 V ) gate drive for battery voltages down to 7 V and allows the A4940 to ...

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