3952 Datasheet (Allegro MicroSystems) - FULL-BRIDGE PWM MOTOR DRIVER

3952, FULL-BRIDGE PWM MOTOR DRIVER

Sleep Mode Standby, Note 1 Forward, Fast-Decay Mode Forward, Slow-Decay Mode Reverse, Fast-Decay Mode Reverse, Slow-Decay Mode Brake, Fast-Decay Mode Brake, No Current Control, Note 2 3952 FULL-BRIDGE PWM MOTOR DRIVER NO CONNECTION A3952SEB LOAD SUPPLY BRAKE MODE RC OUT B REF A3952SW 28 27 26

3952 FULL-BRIDGE PWM MOTOR DRIVER A3952SB BRAKE REF RC GROUND GROUND LOGIC SUPPLY PHASE ENABLE 1 2 3 4 LOGIC 5 6 7 8 VBB VCC 12 11 10 9 GROUND SENSE OUTA LOAD SUPPLY VBB 16 15 14 13 LOAD SUPPLY OUTB MODE GROUND Data Sheet 29319.1 Designed for bidirectional pulse-width modulated current control of inductive loads, the A3952S is capable of continuous output currents to ±2 A and operating voltages to 50 V.

Internal fixed off-time PWM current-control circuitry can be used to regulate

3952 Features

* s s s s s s s s s ±2 A Continuous Output Current Rating 50 V Output Voltage Rating Internal PWM Current Control Fast and Slow Current-Decay Modes Sleep (Low Current Consumption) Mode Internal Transient Suppression Diodes Under-Voltage Lockout Internal Thermal Shutdown Circuitry Crossover-Current Pro