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DRV8808 - 产品图解：
DRV8808-具有 DC-DC 转换器的组合电机驱动器
DRV8808-PWM功率驱动器-特殊功能放大器-放大器和线性
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TI产品 - DRV8808介绍

DRV8808 - 具有 DC-DC 转换器的组合电机驱动器

DRV8808是TI德州仪器公司的一款PWM功率驱动器产品，DRV8808是具有 DC-DC 转换器的组合电机驱动器，本站介绍了DRV8808的封装应用图解、特点和优点、功能等，并给出了与DRV8808相关的TI元器件型号供参考。

DRV8808 - 具有 DC-DC 转换器的组合电机驱动器 - PWM功率驱动器 - 特殊功能放大器 - 德州仪器

产品特性
  • Three DC Motor Drivers
    • Up to 2.5-A Current Chopping
    • Low Typical ON Resistance (RDSON = 0.5 Ω at TJ = 25°C)
  • Three Integrated DC-DC Converters
    • ON/OFF Selectable Using CSELECT Pin and Serial Interface
    • Outputs Configurable With External Resistor Network From 1 V to 90% of VM Capability for All Three Channels
    • 1.35-A Output Capability for All Three Channels
  • One Integrated LDO Regulator
    • Output Configurable With External Resistor Network from 1 V to 2.5 V
    • 550-mA Output Capability
  • 7-V to 40-V Operating Range
  • Serial Interface for Communications
  • Thermally Enhanced Surface-Mount Package 48-Pin HTSSOP With PowerPAD™ (Eco-Friendly: RoHS and No Sb/Br )
  • Power-Down Function (Deep-Sleep Mode)
  • Reset Signal Output (Active Low)
  • Reset (All Clear) Control Input
产品应用
  • Printers
  • Document Scanners
  • POS
  • Copiers
产品说明

The DRV8808 device provides the integrated motor driver solution for printers. The chip has three full H-bridges and three buck DC-DC converters.

The output driver block for each consists of N-channel power MOSFETs configured as full H-bridges to drive the motor windings. The device can be configured to use internal or external current sense for winding current control.

The SPI input pins are 3.3-V compatible and have inputs that are 5-V tolerant.

The DRV8808 has three DC-DC switched-mode buck converters to generate a programmable output voltage from 1 V up to 90% of VM, with up to 1.35-A load current capability.

The device is configured using the CSELECT terminal at start-up, and serial interface during run time.

An internal shutdown function is provided for overcurrent protection, short-circuit protection, undervoltage lockout, and thermal shutdown. Also, the device has the reset function at power on, and the input on the nReset pin.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
DRV8808HTSSOP (48)12.50 mm x 6.10 mm
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