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HR3988

HEROIC
Part Number HR3988
Manufacturer HEROIC
Description Quad DMOS Full Bridge PWM Motor Driver
Published Jun 30, 2015
Detailed Description HR3988 Quad DMOS Full Bridge PWM Motor Driver Description The HR3988 is a quad DMOS full-bridge driver capable of drivi...
Datasheet PDF File HR3988 PDF File

HR3988
HR3988

Overview
HR3988 Quad DMOS Full Bridge PWM Motor Driver Description The HR3988 is a quad DMOS full-bridge driver capable of driving up to two stepper motors or four DC motors.
Each full-bridge output is rated up to 1.
2 A and 36 V.
The HR3988 includes fixed off-time pulse width modulation (PWM) current regulators, along with 2-bit nonlinear DACs (digital-to-analog converters) that allow stepper motors to be controlled in full, half, and quarter steps, and DC motors in forward, reverse, and coast modes.
The PWM current regulator uses the mixed decay mode for reduced audible motor noise, increased step accuracy, and reduced power dissipation.
Internal synchronous rectification control circuitry is provi...


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