A4980
FEATURES
AND BENEFITS
- Peak motor current up to ±1.4 A, 28 V
- Low RDS(on) outputs, 0.5 Ω source and sink, typical
- Automatic current decay mode detection/selection
- Mixed, Fast, and Slow current decay modes
- Synchronous rectification for low-power dissipation
- Internal OVLO, UVLO, and Thermal Shutdown circuitry
- Crossover-current protection
- Short-circuit, and open-load diagnostics
- Hot and cold thermal warning
- Stall detect features
- SPI-patible or simple Step and Direction motion control
- Highly configurable via SPI-patible serial interface
APPLICATIONS
- Automotive stepper motors
- Engine management
- Headlamp positioning
PACKAGE:
28-Pin TSSOP with Exposed Thermal Pad (suffix LP)
Not to scale
Logic Supply
Microcontroller or ECU
CP1 2 VCP VBB VDD
STEP DIR
MS0
MS1 ENABLE
RESETn
DIAG
SDI SDO SCK STRn VREG OSC
OBP OBM SENSA SENSB
AGND PGND
Automotive 12V Power Net
Stepper Motor
DESCRIPTION
The A4980 is a flexible microstepping motor driver with...
