DRV8850 - DRV8850

DRV8850是TI德州仪器公司的一款集成FET的有刷直流驱动器产品，DRV8850是DRV8850，本站介绍了DRV8850的封装应用图解、特点和优点、功能等，并给出了与DRV8850相关的TI元器件型号供参考。

DRV8850 - DRV8850 - 集成FET的有刷直流驱动器 - 有刷直流(BDC)驱动器 - 德州仪器

产品描述

The DRV8850 device provides a motor driver plus LDO voltage regulator solution for consumer products, toys, and other low-voltage or battery-powered motion-control applications. The device has one H-bridge driver to drive a DC motor, a voice-coil actuator, one winding of a stepper motor, a solenoid, or other devices. The output driver block consists of N-channel power MOSFETs configured as an H-bridge to drive the load. An internal charge pump generates the needed gate-drive voltages.

The DRV8850 device supplies up to 5 A of continuous output current (with proper PCB heat sinking) and up to 8-A peak current. It operates on a supply voltage from 2.0 to 5.5 V.

A low-dropout linear voltage regulator is integrated with the motor driver to supply power to microcontrollers or other circuits. The LDO voltage regulator can be active in device sleep mode, so that the driver may be shut down without removing power to any devices powered by the LDO voltage regulator.

Internal shutdown functions provide overcurrent, short-circuit, undervoltage, overvoltage, and overtemperature protection. In addition, the device also has a built-in current sensing for accurate current measurement.

The DRV8850 device is packaged in a 24-pin HTSSOP (7.7 mm × 4.4 mm) or QFN (3.5-mm × 5.5-mm) package with PowerPAD (Eco-friendly: RoHS and no Sb/Br).

产品特性

H-Bridge Motor Driver
- Drives a DC Motor, One Winding of a Stepper Motor, or Other Loads
- Low MOSFET On-Resistance: 45 mΩ per FET
5-A Continuous 8-A Peak-Drive Current
Internal Current Sensing With Current Sense Output
2 to 5.5-V Operating Supply Voltage Range
Overvoltage and Undervoltage Lockout
Low-Power Sleep Mode
100-mA Isolated Low-Dropout (LDO) Voltage Regulator
24-Pin QFN Package
24-Pin HTSSOP Package

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