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A3951SB - FULL-BRIDGE PWM MOTOR DRIVER

This page provides the datasheet information for the A3951SB, a member of the A3951 FULL-BRIDGE PWM MOTOR DRIVER family.

Datasheet Summary

Description

X = Irrelevant Z = High Impedance (source and sink both off) NOTE: Includes internal default Vsense level for over-current protection.

Features

  • I ±2 A Continuous Output Current Rating I 50 V Output Voltage Rating I Internal PWM Current Control I Internal Transient Suppression Diodes I Under-Voltage Lockout I Internal Thermal Shutdown Circuitry I Crossover-Current Protection I Default Brake Current Limit Always order by complete part number: Part Number Package A3951SB A3951SW 16-Pin DIP 12-Pin Power-Tab SIP RθJA 43°C/W 36°C/W RθJT 6.0°C/W 2.0°C/W 3951 FULL-BRIDGE PWM MOTOR DRIVER.

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Datasheet preview – A3951SB

Datasheet Details

Part number A3951SB
Manufacturer Allegro MicroSystems
File Size 201.73 KB
Description FULL-BRIDGE PWM MOTOR DRIVER
Datasheet download datasheet A3951SB Datasheet
Additional preview pages of the A3951SB datasheet.

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Full PDF Text Transcription

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Data Sheet 29319.4† 3951 FULL-BRIDGE PWM MOTOR DRIVER A3951SB NC 1 VBB REF/BRAKE 2 RC 3 GROUND 4 GROUND 5 LOGIC SUPPLY 6 VCC PHASE 7 ENABLE 8 LOGIC VBB 16 LOAD SUPPLY 15 OUTB 14 GROUND 13 GROUND 12 GROUND 11 SENSE 10 OUTA LOAD 9 SUPPLY Dwg. PP-056-1 ABSOLUTE MAXIMUM RATINGS Load Supply Voltage, VBB ................... 50 V Output Current, IOUT (tw ≤ 20 µs) .................................. ±3.5 A (Continuous) ............................... ±2.0 A Logic Supply Voltage, VCC .................. 7.0 V Logic Input Voltage Range, VIN ........................ -0.3 V to VCC + 0.3 V Sense Voltage, VSENSE ........................ 1.5 V Reference Voltage, VREF ....................... VCC Package Power Dissipation, PD .......................................
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