Part number:
A4990
Manufacturer:
Allegro MicroSystems
File Size:
798.13 KB
Description:
Automotive dual full-bridge driver.
The A4990 is a dual full-bridge driver for stepper motors and small brush DC motors in automotive applications.
Each full bridge uses DMOS power devices with integrated freewheeling diodes.
Control circuits prevent cross-conduction, or shootthrough, when switching between high-side and low-side driv
A4990 Features
* Two full-bridge power outputs
* Typical application up to ±800 mA, 28 V
* Adjustable peak current limit control
* Minimum overcurrent shutdown at 1.4 A
* Continuous operation at high ambient temperature
* Synchronous rectification for low power dissi
Datasheet Details
A4990
Allegro MicroSystems
798.13 KB
Automotive dual full-bridge driver.
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