Allegro MicroSystems A3974
the A3974SED is capable of output currents to ±1.5 A and operating voltages to 50 V. This feature will eliminate the need for external clamp diodes in most applications, saving cost and external component count, while minimizing power dissipation.- Min Voltage : 4.5V
- Max Voltage : 5.5V
- Max Operating Temp : 85°C
- Min Operating Temp : -20°C
Source:
Octopart
| Part No. | A3974 |
|---|---|
| Datasheet | A3974 Download |
| Manufacturer |  Allegro MicroSystems |
| Description | Dual Dmos Full-bridge Microstepping PWM Motor Driver |
| Buy | Stock & Price |
ABSOLUTE MAXIMUM RATINGS
at TA = +25°C Load Supply Voltage, VBB ............................ 50 V Output Current, IOUT .................................. ±1.5 A Logic Supply Voltage, VDD .......................... 7.0 V Logic Input Voltage Range, VIN Continous ................... -0.3 V to VDD + 0.3 V tW < 30 ns ................... -1.0 V to VDD + 1.0 V Reference Voltage, VREF ................................. 3 V Sense Voltage (dc), VS Continous .............................................. 0.5 V tW < 1 µs ................................................ 2.5 V Package Power Dissipation, PD .................. 3.9 W 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, and heat sinking. Under any set of conditions, do not exceed the specified current rating or a junction temperature of 150°C.
