A3946 Datasheet - Allegro MicroSystems

A3946, Half-Bridge Power MOSFET Controller

A3946 Half-Bridge Power MOSFET Controller .
The A3946 is designed specifically for applications that require high power unidirectional DC motors, three-phase brushless DC motors, or other induct.

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Datasheet Details

Part number:

A3946

Manufacturer:

Allegro MicroSystems

File Size:

763.82 KB

Description:

Half-Bridge Power MOSFET Controller

Features

* ▪ On-chip charge pump for 7 V minimum input supply voltage ▪ High-current gate drive for driving a wide range of N‑channel MOSFETs ▪ Bootstrapped gate drive with top-off charge pump for 100% duty cycle ▪ Overtemperature protection ▪ Undervoltage protection ▪
* 40°C to 135°C ambient operatio

Applications

* that require high power unidirectional DC motors, three-phase brushless DC motors, or other inductive loads. The A3946 provides two high-current gate drive outputs that are capable of driving a wide range of power N-channel MOSFETs. The high-side gate driver switches an N-channel MOSFET that control

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A3946 Half-Bridge Power MOSFET Controller Allegro MicroSystems

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