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DRV8809 - 产品图解：
DRV8809-具有 DC-DC 转换器的组合电机驱动器
DRV8809-PWM功率驱动器-特殊功能放大器-放大器和线性
DRV8809-DRV8809/10 Combination Motor Drivers With DC-DC Converters
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TI产品 - DRV8809介绍

DRV8809 - 具有 DC-DC 转换器的组合电机驱动器

DRV8809是TI德州仪器公司的一款PWM功率驱动器产品，DRV8809是具有 DC-DC 转换器的组合电机驱动器，本站介绍了DRV8809的封装应用图解、特点和优点、功能等，并给出了与DRV8809相关的TI元器件型号供参考。

DRV8809 - 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
  • Configurable to Eight Modes of Combination Motor Driver
    • Bipolar Stepper Motor Driver
      • 16-Step Current-Mode Control
      • 800-mA Average Output Current as Stepper Motor Drive
    • DC Motor Driver
      • 800-mA Maximum Continuous Current and 8-A/500-ns or 3-A/100-ms Peak Current for Each DC Motor Drive
    • Low ON resistance Rds(ON) = 0.55 Ω at TJ=25°C(Typ)
  • Three Integrated DC-DC Converters
    • On/Off Selectable Using C_SELECT Pin and Serial Interface
    • Outputs Programmable With External Resistor Network From 1.5 V to VDIN × 0.8
    • 1.5-A Output Capability for All Three Channels
  • 7-V to 40-V Operating Voltage Range for DC-DC Converters
  • Two Serial Interfaces for Communications
  • Thermally Enhanced Surface-Mount 64-Pin QFP PowerPAD™ Package (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 DRV8809/DRV8810 provides an integrated motor driver solution. The chip has four H-bridges internally and is configurable to eight different modes of combination motor driver control.

The output driver block for each H-bridge consists of N-channel power MOSFETs configured as full H-bridges to drive the motor windings. The stepper motor control has a 16-step mode programmable through the 3-wire serial interface (SPI). The SPI input pins are 3.3-V compatible and 5-V tolerant.

The DRV8809/DRV8810 has three DC-DC switch-mode buck converters to generate a programmable output voltage from 1.5V to 80% of VDIN (channel A) or up to 10V (for channel B and channel C), with up to 1.5-A load current capability. The outputs are selected using the C_SELECT terminal at start-up or using serial interface during operation.

An internal shutdown function is provided for overcurrent protection (OCP), short-circuit protection, overvoltage/undervoltage lockout (UVLO), and thermal shutdown (TSD). Also, the device has a reset function that operates at power on and at input to the In-Reset pin.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
DRV8809HTQFP (64)10.00 mm x 10.00 mm
DRV8810
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