Allegro MicroSystems A3951SW
The A3951SW, for higher package power dissipation requirements, is supplied in a 12-pin single in-line power-tab package. Designed for bidirectional pulse-width modulated current control of inductive loads, the A3951SB and A3951SW are capable of continuous output currents to ±2 A and operating voltages to 50 V.A3951SW Specifications
- Package : SIP
- Min Voltage : 4.5V
- Max Voltage : 5.5V
- Max Output Current : 3.5A
- Terminals : 12
- Circuits : 1
- Max Operating Temp : 85°C
- Min Operating Temp : -20°C
- Max Supply Current : 40mA
Source:
Octopart
| Part No. | A3951SW |
|---|---|
| Datasheet | A3951SW Download |
| Manufacturer |  Allegro MicroSystems |
| Description | FULL-BRIDGE PWM MOTOR DRIVER |
| Buy | Stock & Price |
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 ....................................... See Graph Operating Temperature Range, TA ............................... –20°C to +85°C Junction Temperature, TJ ............. +150°C* Storage Temperature Range, TS ............................. –55°C to +150°C Output current rating may be limited by duty cycle, ambient temperature, heat sinking and/or forced cooling. Under any set of conditions, do not exceed the specified current rating or a junction temperature of +150°C. * Fault conditions that produce excessive junction temperature will activate device thermal shutdown circuitry.
