| Part Number | L9904TR | L9903TR | 
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | 
| Category | PMIC - Motor Drivers, Controllers | PMIC - Motor Drivers, Controllers | 
|   |   | |
| Product Status | Active | Active | 
| Motor Type - Stepper | - | - | 
| Motor Type - AC, DC | Brushed DC | Brushed DC | 
| Function | Controller - Commutation, Direction Management | Controller - Commutation, Direction Management | 
| Output Configuration | Pre-Driver - Half Bridge (2) | Pre-Driver - Half Bridge (2) | 
| Interface | Serial | Serial | 
| Technology | Power MOSFET | Power MOSFET | 
| Step Resolution | - | - | 
| Applications | Automotive | General Purpose | 
| Current - Output | - | - | 
| Voltage - Supply | 8V ~ 28V | 8V ~ 20V | 
| Voltage - Load | - | - | 
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 
| Supplier Device Package | 20-SO | 20-SO |