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3948

DMOS FULL-BRIDGE PWM MOTOR DRIVER

3948 Features

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

3948 General Description

Serial Interface. The A3948 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 clocked in starting with D19. Bit D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D1.

3948 Datasheet (146.50 KB)

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Datasheet Details

Part number:

3948

Manufacturer:

Allegro MicroSystems

File Size:

146.50 KB

Description:

Dmos full-bridge pwm motor driver.
3948 A3948SLB (SOIC) CP CP2 CP1 PHASE OSC GROUND GROUND LOGIC SUPPLY ENABLE DATA CLOCK STROBE DMOS FULL-BRIDGE PWM MOTOR DRIVER 1 2 3 4 5 θ 24 23 NC .

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39-01-2145 - Connector (Molex)
FEATURES AND SPECIFICATIONS Mechanical Contact Insertion Force: 1.5kg max. applications Contact Retention to Housing: 3.0kg min. s Positive housing lo.

39-28-1xxx - Header (Molex)
.. FEATURES AND SPECIFICATIONS Features and Benefits s Positive housing locks to mate with Mini-Fit, Jr. receptacle s Fully isolated t.

39-28-8xxx - Header (Molex)
.. FEATURES AND SPECIFICATIONS Features and Benefits s Positive housing locks to mate with Mini-Fit, Jr. receptacle s Fully isolated t.

39-29-0xxx - Header (Molex)
.. FEATURES AND SPECIFICATIONS Features and Benefits s Positive housing locks to mate with Mini-Fit, Jr. receptacle s Fully isolated t.

39-29-3xxx - Header (Molex)
.. FEATURES AND SPECIFICATIONS Features and Benefits s Positive housing locks to mate with Mini-Fit, Jr. receptacle s Fully isolated t.

39-29-6xxx - Header (Molex)
.. FEATURES AND SPECIFICATIONS Features and Benefits s Positive housing locks to mate with Mini-Fit, Jr. receptacle s Fully isolated t.

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3948 DMOS FULL-BRIDGE PWM MOTOR DRIVER Allegro MicroSystems

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