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A3940 Datasheet - Allegro

A3940, Full-Bridge Power MOSFET Controller

Data Sheet 29319.100J 3940 A3940KLP (TSSOP with exposed thermal pad) A3940KLW (SOIC) Approx.2X actual size.ABSOLUTE MAXIMUM RATINGS Load Supply.
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A3940-Allegro.pdf

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Datasheet Details

Part number:

A3940

Manufacturer:

Allegro

File Size:

600.09 KB

Description:

Full-Bridge Power MOSFET Controller

Features

* include supply under/overvoltage, thermal shutdown, and motor lead short-to-battery and short-to-ground fault notification, and a programmable dead-time adjustment for cross-conduction prevention. The overvoltage trip point is user adjustable. The A3940 is supplied in a choice of two power packages,

Applications

* that require high-power motors. Each provides four high-current gate drive outputs capable of driving a wide range of n-channel power MOSFETs in a full-bridge configuration. Bootstrap capacitors are utilized to provide the above-battery supply voltage required for n-channel FETs. An internal charge p

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