DRV8803是TI公司的一款集成FET的步进栅极驱动器产品，DRV8803是2.0A 单极步进电机驱动器或四螺线管/中继驱动器（PWM 控制器），本页介绍了DRV8803的产品说明、应用、特性等，并给出了与DRV8803相关的TI元器件型号供参考。
DRV8803 - 2.0A 单极步进电机驱动器或四螺线管/中继驱动器（PWM 控制器） - 集成FET的步进栅极驱动器 - 步进驱动器 - TI公司（Texas Instruments，德州仪器）
- 4-Channel Protected Low-Side Driver
- Four NMOS FETs With Overcurrent Protection
- Integrated Inductive Clamp Diodes
- Parallel Interface
- DW Package: 1.5-A (Single Channel On) / 800-mA (Four Channels On) Maximum Drive Current per Channel (at 25°C)
- PWP Package: 2-A (Single Channel On) / 1-A (Four Channels On) Maximum Drive Current per Channel (at 25°C, With Proper PCB Heatsinking)
- 8.2-V to 60-V Operating Supply Voltage Range
- Thermally Enhanced Surface Mount Package
- Relay Drivers
- Unipolar Stepper Motor Drivers
- Solenoid Drivers
- General Low-Side Switch Applications
The DRV8803 provides a 4-channel low side driver with overcurrent protection. It has built-in diodes to clamp turnoff transients generated by inductive loads and can be used to drive unipolar stepper motors, DC motors, relays, solenoids, or other loads.
In the SOIC (DW) package, the DRV8803 can supply up to 1.5-A (one channel on) or 800-mA (all channels on) continuous output current per channel, at 25°C. In the HTSSOP (PWP) package, it can supply up to 2-A (one channel on) or 1-A (four channels on) continuous output current per channel, at 25°C with proper PCB heatsinking.
The device is controlled through a simple parallel interface.
Internal shutdown functions are provided for over current protection, short circuit protection, undervoltage lockout and overtemperature and faults are indicated by a fault output pin.
The DRV8803 is available in a 20-pin thermally-enhanced SOIC package and a 16-pin HTSSOP package (Eco-friendly: RoHS & no Sb/Br).
| PART NUMBER | PACKAGE | BODY SIZE (NOM) |
|---|---|---|
| DRV8803 | SOIC (20) | 12.80 mm × 7.50 mm |
| HTSSOP (16) | 5.00 mm × 4.40 mm |
