DRV5053-Q1_15 Datasheet, PDF (8/26 Pages) Texas Instruments – DRV5053-Q1 Automotive Analog-Bipolar Hall Effect Sensor

DRV5053-Q1
SLIS154 – DECEMBER 2014
8 Detailed Description
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8.1 Overview
The DRV5053-Q1 device is a chopper-stabilized hall sensor with an analog output for magnetic sensing
applications. The DRV5053-Q1 device can be powered with a supply voltage between 2.7 and 38 V, and will
survive –22 V reverse battery conditions continuously. Note that the DRV5053-Q1 device will not be operating
when approximately –22 to 2.4 V is applied to V_CC (with respect to GND). In addition, the device can withstand
supply voltages up to 40 V for transient durations.
The output voltage is dependent on the magnetic field perpendicular to the package. The absence of a magnetic
field will result in OUT = 1 V. A magnetic field will cause the output voltage to change linearly with the magnetic
field.
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.
For devices with a negative sensitivity (that is, DRV5053-Q1RA: –40 mV/mT), a south pole will cause the output
voltage to drop below 1 V, and a north pole will cause the output to rise above 1 V.
For devices with a positive sensitivity (that is, DRV5053-Q1EA: +40 mV/mT), a south pole will cause the output
voltage to rise above 1 V, and a north pole will cause the output to drop below 1 V.
8.2 Functional Block Diagram
2.7 to 38 V
Regulated Supply
Bias
Temperature
Compensation
VCC
C_VCC
Hall Element
+
OUT
Output
Driver
-
C_OUT
(Optional)
R_OUT
(Equivalent)
GND
Optional RC Filtering
8
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