DRV8804 - 2.0A 单极步进电机驱动器或四螺线管/中继驱动器（串行控制器）

DRV8804是TI德州仪器公司的一款集成FET的步进栅极驱动器产品，DRV8804是2.0A 单极步进电机驱动器或四螺线管/中继驱动器（串行控制器），本站介绍了DRV8804的封装应用图解、特点和优点、功能等，并给出了与DRV8804相关的TI元器件型号供参考。

DRV8804 - 2.0A 单极步进电机驱动器或四螺线管/中继驱动器（串行控制器） - 集成FET的步进栅极驱动器 - 步进驱动器 - 德州仪器

产品描述

The DRV8804 provides a 4-channel low side driver with overcurrent protection. It has built-in diodes to clamp turn-off 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 DRV8804 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.

A serial interface is provided including a serial data output, which can be daisy-chained to control multiple devices with one serial interface.

Internal shutdown functions are provided for over current protection, short circuit protection, under voltage lockout and overtemperature and faults are indicated by a fault output pin.

The DRV8804 is available in a 20-pin thermally-enhanced SOIC package and a 16-pin HTSSOP package (Eco-friendly: RoHS & no Sb/Br).

产品特性

4-Channel Protected Low-Side Driver
- Four NMOS FETs With Overcurrent Protection
- Integrated Inductive Catch Diodes
- Serial 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

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