3974 Datasheet - Allegro MicroSystems

DMOS DUAL FULL-BRIDGE PWM MOTOR DRIVER

3974 Features

* s ±1.5 A, 50 V Continuous Output Rating s Low rDS(on) DMOS Output Drivers s Programmable Slow, Fast, and Mixed Current-Decay Modes s Serial-Interface Controls Chip Functions s Synchronous Rectification for Low Power Dissipation s Internal UVLO and Thermal Shutdown Circuitry s Crossover-Current Prote

3974 General Description

Serial Interface. The A3974SED is controlled via a 3-wire (clock, data,strobe) serial port. The programmable functions allow maximum flexibility in configuring the PWM to the motor drive requirements. The serial data is written as two 20bit words: 1 bit to select the word and 19 bits of data. The da.

3974 Datasheet (157.69 KB)

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Datasheet Details

Part number:

3974

Manufacturer:

Allegro MicroSystems

File Size:

157.69 KB

Description:

Dmos dual full-bridge pwm motor driver.
3974 LOAD 43 SUPPLY1 SENSE1 OUT1A ENABLE1 GND GND GND NC OUT1B NC NC DMOS DUAL FULL-BRIDGE PWM MOTOR DRIVER Designed for pulse-width modulated (PWM) .

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39-01-2145 Connector (Molex)

39-28-1xxx Header (Molex)

39-28-8xxx Header (Molex)

39-29-0xxx Header (Molex)

TAGS

3974 DMOS DUAL FULL-BRIDGE PWM MOTOR DRIVER Allegro MicroSystems

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3974 Features

3974 General Description

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