DRV5053-Q1_15 Datasheet, PDF (11/26 Pages) Texas Instruments – DRV5053-Q1 Automotive Analog-Bipolar Hall Effect Sensor

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DRV5053-Q1
SLIS154 – DECEMBER 2014
Feature Description (continued)
8.3.4 Output Stage
The DRV5053-Q1 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. In addition, ensure that the load
capacitance C_OUT < 10 nF.
8.3.5 Protection Circuits
An analog current limit circuit limits the current through the output driver. The driver current will be clamped to
I_OCP
8.3.5.1 Overcurrent Protection (OCP)
An analog current-limit circuit limits the current through the FET. The driver current is clamped to I_OCP. During
this clamping, the r_DS(on) of the output FET is increased from the nominal value.
8.3.5.2 Load Dump Protection
The DRV5053-Q1 device operates at DC V_CC conditions up to 38 V nominally, and can additionally withstand
V_CC = 40 V. No current-limiting series resistor is required for this protection.
8.3.5.3 Reverse Supply Protection
The DRV5053-Q1 device is protected in the event that the V_CC 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.
FAULT
FET overload (OCP)
Load Dump
Reverse Supply
CONDITION
I_SINK ≥ I_OCP
38 V < V_CC < 40 V
–22 V < V_CC < 0 V
Table 1.
DEVICE
Operating
Operating
Disabled
DESCRIPTION
Output current is clamped to I_OCP
Device will operate for a transient duration
Device will survive this condition
8.4 Device Functional Modes
The DRV5053-Q1 device is active only when V_CC is between 2.7 and 38 V.
When a reverse supply condition exists, the device is inactive.
RECOVERY
I_O < I_OCP
V_CC ≤ 38 V
V_CC ≥ 2.7 V
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