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DRV8313 Datasheet(PDF) 10 Page - Texas Instruments |
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DRV8313 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 19 page OUT1 OUT2 DCM OUT3 Motor 1 Motor 2 or Solenoid OUT 1 OUT2 OUT3 Phase U Phase V Phase W DRV8313 SLVSBA5A – OCTOBER 2012 – REVISED NOVEMBER 2012 www.ti.com APPLICATION INFORMATION Output Configurations and Connections The typical application for the DRV8313 is to drive a 3-phase brushless motor. In this application, the three outputs connect to the three motor leads, as shown in Figure 4. Figure 4. Three-Phase Motor Connection The device achieves standard 120° (also called trapezoidal or block) commutation, using synchronous rectification, by following the states shown in Table 1 Table 1. Three-Phase Motor Signals OUT1 (Phase U) OUT2 (Phase V) OUT3 (Phase W) State IN1 EN1 OUT1 IN2 EN2 OUT2 IN3 EN3 OUT3 1 X 0 Z 1 / PWM 1 H / PWM 0 1 L 2 1 / PWM 1 H / PWM X 0 Z 0 1 L 3 1 / PWM 1 H / PWM 0 1 L X 0 Z 4 X 0 Z 0 1 L 1 / PWM 1 H / PWM 5 0 1 L X 0 Z 1 / PWM 1 H / PWM 6 0 1 L 1 / PWM 1 H / PWM X 0 Z On can implement asynchronous rectification by also applying the PWM signal to the enable inputs. The DRV8313 can drive other loads, including dc brush motors and solenoids. For example, one could drive a dc brush motor in both directions, plus a single solenoid or unidirectional dc brush motor: Figure 5. Bidirectional Motor Plus Motor or Solenoid Connection 10 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Links: DRV8313 |
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