Key facts
- Brand
- Allegro
- Model
- A3958SB
- Category
- Other Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-03
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Allegro Microsystems A3958SB/SLB DMOS Full-Bridge PWM Motor Driver Datasheet
The A3958SB and A3958SLB are DMOS full-bridge PWM motor drivers designed for pulse-width modulated (PWM) current control of DC motors. These devices support continuous output currents up to +2 A and operating voltages up to 50 V.
Read onlineAllegro A3958SB specifications
| Continuous Output Current | +2 A |
|---|---|
| Operating Voltage | 50 V |
| Output On Resistance (Typical) | 270 mΩ |
| Load Supply Voltage Range | 20 V to 50 V |
Source: Allegro Microsystems A3958SB/SLB DMOS Full-Bridge PWM Motor Driver Datasheet
All Allegro A3958SB documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
Does the A3958 include internal protection circuitry?
Yes, it includes thermal shutdown with hysteresis and crossover-current protection.
From: Allegro Microsystems A3958SB/SLB DMOS Full-Bridge PWM Motor Driver Datasheet
What is the maximum continuous output current rating?
The device supports continuous output currents up to +2 A.
From: Allegro Microsystems A3958SB/SLB DMOS Full-Bridge PWM Motor Driver Datasheet
What current decay modes are supported?
The device can operate in slow, fast, and mixed current-decay modes.
From: Allegro A3958SB/SLB DMOS Full-Bridge PWM Motor Driver Datasheet
Does the device include synchronous rectification?
Yes, internal synchronous rectification control circuitry is provided to reduce power dissipation.
From: Allegro A3958SB/SLB DMOS Full-Bridge PWM Motor Driver Datasheet