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A3951SB - FULL-BRIDGE PWM MOTOR DRIVER

Download the A3951SB datasheet PDF. This datasheet also covers the A3951 variant, as both devices belong to the same full-bridge pwm motor driver family and are provided as variant models within a single manufacturer datasheet.

General Description

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

Key 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (A3951_AllegroMicroSystems.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription for A3951SB (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for A3951SB. For precise diagrams, and layout, please refer to the original PDF.

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 ...

View more extracted text
UND 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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