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DRV5053RAQDBZR Datasheet(PDF) 11 Page - Texas Instruments

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Part # DRV5053RAQDBZR
Description  DRV5053 Analog-Bipolar Hall Effect Sensor
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

DRV5053RAQDBZR Datasheet(HTML) 11 Page - Texas Instruments

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DRV5053
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SLIS153C – MAY 2014 – REVISED DECEMBER 2015
Feature Description (continued)
7.3.4 Output Stage
The DRV5053 output stage is capable of up to 300-
μA of current source or 2.3-mA sink. For proper operation,
ensure that equivalent output load ROUT > 10 kΩ.
The capacitive load directly present on the OUT pin should be less than 10 nF to ensure the internal operational
amplifier is stable. If an external RC filter is added to reduce noise, it is acceptable to use a resistor
≥ 200 Ω with
a capacitor
≤0.1 µF. For an application example, see Filtered Typical Application.
7.3.5 Protection Circuits
An analog current limit circuit limits the current through the output driver. The driver current will be clamped to
IOCP
7.3.5.1 Overcurrent Protection (OCP)
An analog current-limit circuit limits the current through the FET. The driver current is clamped to IOCP. During
this clamping, the rDS(on) of the output FET is increased from the nominal value.
7.3.5.2 Load Dump Protection
The DRV5053 device operates at DC VCC conditions up to 38 V nominally, and can additionally withstand VCC =
40 V. No current-limiting series resistor is required for this protection.
7.3.5.3 Reverse Supply Protection
The DRV5053 device is protected in the event that the VCC pin and the GND pin are reversed (up to –22 V).
NOTE
In a reverse supply condition, the OUT pin reverse-current must not exceed the ratings
specified in the Absolute Maximum Ratings.
Table 1.
FAULT
CONDITION
DEVICE
DESCRIPTION
RECOVERY
FET overload (OCP)
ISINK ≥ IOCP
Operating
Output current is clamped to IOCP
IO < IOCP
Load Dump
38 V < VCC < 40 V
Operating
Device will operate for a transient duration
VCC ≤ 38 V
Reverse Supply
–22 V < VCC < 0 V
Disabled
Device will survive this condition
VCC ≥ 2.5 V
7.4 Device Functional Modes
The DRV5053 device is active only when VCC is between 2.5 and 38 V.
When a reverse supply condition exists, the device is inactive.
Copyright © 2014–2015, Texas Instruments Incorporated
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