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DRV8307 Datasheet(PDF) 10 Page - Texas Instruments |
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DRV8307 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 34 page Power Outputs PPAD CP1 CP2 VCP VCP VM VINT GND FAULTn LOCKn HALLOUT RISENSE ISEN VSW 0.1 µF 1 µF Hall U Hall V Hall W VM UHSG ULSG U VM VHSG VLSG V VM WHSG WLSG W VM Optional HV+ HV± Optional HU+ HU± Optional HW+ HW± Hall Differential Comparators + - + - + - Control Inputs VLIMITER PWM Limiter - + VSENSEOCP SENSE OCP - + Charge Pump VREG 0.1 µF VM Hall Power VSW or VREG ENABLE# 1 µF Core Logic VCP 10 V Phase W pre-driver VCP 10 V Phase V pre-driver VCP 10 V Phase U pre-driver 1.8-V Linear Regulator 5-V Linear Regulator Oscillator Thermal Sensor 10-V Linear Regulator 10 V Voltage Monitoring BRAKE PWM DIR ENABLEn bulk DRV8307 SLVSCK2 – APRIL 2014 www.ti.com 8.2 Functional Block Diagram 8.3 Feature Description 8.3.1 Hall Comparators Three comparators are provided to process the raw signals from Hall effect transducers to commutate the motor. The Hall amplifiers sense zero crossings of the differential inputs and pass the information to digital logic. The Hall amplifiers have hysteresis, and their detect threshold is centered at 0. Note, hysteresis is defined as shown in Figure 3: 10 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Product Folder Links: DRV8307 |
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