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| DRV8711 15-70V步进马达控制参考设计 |
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| 文章来源：永阜康科技 更新时间：2018/4/2 13:24:00 |
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TI公司的参考设计TIDA-01227是用于双极应用的15-70V步进马达控制器,采用TI的DRV8711步进马达控制器,CSD17483F4 N-MOSFET以及MSP430G2553 MCU和LM5107与LM5017等器件,输入电压范围15V到70V,输出电流2A RMS,峰值电流3A,主要用在高速打印机和高速工业步进器.本文介绍了参考设计TIDA-01227主要特性和主要指标,框图,电路图,材料清单和PCB设计图.
The TIDA-01227 reference design is a 15-V to 70-Vstepper motor controller for bipolar applications. Thedesign uses the following parts from Texas Instrument:
DRV8711 bipolar stepper motor, controller gate driver;
CSD19538Q3A 100-V, N-Channel NexFET™ powerMOSFETs;
CSD17483F4 30-V, N-ChannelFemtoFET™ MOSFET;
MSP430G2553 MCU;
LM5107100-V,1.4-A peak, half-bridge gate driver; andLM5017 12-V buck converter.
The focus of this designis to demonstrate the use of the DRV8711 steppermotor controller to control stepper motors at voltageshigher than 60 V. The DRV8711 operates at 12 Vwhile using additional circuitry to convert to highvoltagecontrol signals.
The TIDA-01227 design configures the DRV8711 device to control a bipolar stepper motor at voltagesabove the absolute maximum voltage of the DRV8711. This configuration is possible by adding aninterface between the DRV8711 controller and the CSD19538Q3A field-effect transistors (FETs). Theinterface converts lower-voltage signals to higher-voltage signals controlling the full-bridges. Thisconfiguration can be used in applications that require high-speed operation. Higher voltage allows thecurrent to change at a faster rate, which increases the motor speed. A high-speed printer is an example ofa typical application.
The reference design is composed of three main sections: the MCU, the power stage, and the powerconversion sections.
参考设计TIDA-01227主要特性:
• 15-V to 70-V Input Voltage Range
• 2-A RMS, 3-A Peak Output Current Capability
• Designed to Use LaunchPad™ and Boost-DRV8711 Software
• Board Size: 2.3 in × 2.25 in
• Onboard 12-V, 0.6-A Buck Converter
• Wide Array of System Protection FeaturesIncluding DRV8711 Overtemperature and SupplyUndervoltage Protection
参考设计TIDA-01227应用:
• High-Speed Printers
• High-Speed Industrial Steppers
图1.参考设计TIDA-01227外形图
参考设计TIDA-01227主要指标:
图2.参考设计TIDA-01227框图
图3.参考设计TIDA-01227电路图(1)
图4.参考设计TIDA-01227电路图(2)
图5.参考设计TIDA-01227电路图(3)
图6.参考设计TIDA-01227电路图(4)
参考设计TIDA-01227材料清单:
图7.参考设计TIDA-01227 PCB设计图(1)
图8.参考设计TIDA-01227 PCB设计图(2)
图9.参考设计TIDA-01227 PCB设计图(3)
图10.参考设计TIDA-01227 PCB设计图(4)
图11.参考设计TIDA-01227 PCB设计图(5)
图12.参考设计TIDA-01227 PCB设计图(6)
图13.参考设计TIDA-01227 PCB设计图(7)
图14.参考设计TIDA-01227 PCB设计图(8)
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