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3952 - FULL-BRIDGE PWM MOTOR DRIVER

Description

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

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 Protection Always order by complete part number: Part Number A3952SB A3952SEB A3952SLB A3952SW Package 16-Pin DIP 28-Lead PLCC 16-Lead SOIC 12-Pin Power-Tab SIP RθJA 43°C/W 42°C/W 67°C/W 36°C/W Rθ JT 6.

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Datasheet preview – 3952

Datasheet Details

Part number 3952
Manufacturer Allegro MicroSystems
File Size 219.27 KB
Description FULL-BRIDGE PWM MOTOR DRIVER
Datasheet download datasheet 3952 Datasheet
Additional preview pages of the 3952 datasheet.

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Full PDF Text Transcription

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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 the maximum load current to a desired value. The peak load current limit is set by the user’s selection of an input reference voltage and external sensing resistor. The fixed OFF-time pulse duration is set by a user-selected external RC timing network.
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