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DRV5023-Q1 Datasheet(PDF) 8 Page - Texas Instruments |
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DRV5023-Q1 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 28 page Temperature Compensation Bias + ± Regulated Supply Reference Gate Drive OCP VCC OUT GND 2.7 to 38 V R1 C2 (Optional) C1 Hall Element 8 DRV5023-Q1 SLIS163C – DECEMBER 2014 – REVISED FEBRUARY 2016 www.ti.com Product Folder Links: DRV5023-Q1 Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated 7 Detailed Description 7.1 Overview The DRV5023-Q1 device is a chopper-stabilized Hall sensor with a digital output for magnetic sensing applications. The DRV5023-Q1 device can be powered with a supply voltage between 2.7 and 38 V, and will survive –22 V reverse-battery conditions. The DRV5023-Q1 device does not operate when –22 to 2.4 V is applied to the VCC pin (with respect to GND pin). In addition, the device can withstand supply voltages up to 40 V for transient durations. The field polarity is defined as follows: a south pole near the marked side of the package is a positive magnetic field. A north pole near the marked side of the package is a negative magnetic field. The output state is dependent on the magnetic field perpendicular to the package. For the FA, AJ, and BI device versions, a strong south pole near the marked side of the package causes the output to pull low, and the absence of a field makes the output high-impedance. The FI device version has a voltage inverter on the output, where a strong south pole causes the output to be high-impedance, and the absence of a field makes the output pull low. Hysteresis is included in between the operate point and the release point to prevent toggling near the magnetic threshold. An external pullup resistor is required on the OUT pin. The OUT pin can be pulled up to VCC, or to a different voltage supply. This allows for easier interfacing with controller circuits. 7.2 Functional Block Diagram |
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