A4993
A4993 is Automotive Stepper Driver manufactured by Allegro MicroSystems.
Features
AND BENEFITS
- Peak motor current up to 1.4 A at 28 V
- Low RDS(ON) outputs, 0.5 Ω source and sink typical
- Continuous operation at high ambient temperature
- 3.5 to 50 V supply operation
- Adaptive mixed current decay
- Synchronous rectification for low power dissipation
- Internal overvoltage and undervoltage lockout
- Hot warning and overtemperature shutdown
- Crossover-current protection
- Short-circuit, open-load diagnostics
- Stall-detect Features
- Configurable through serial interface
APPLICATIONS
- Automotive stepper motors
- Engine management
- Headlamp positioning
- HVAC flap and valve control
PACKAGE:
20-Pin TSSOP with Exposed Thermal Pad (suffix LP)
Not to...
