TLE9879QXA40
Power Management Unit (PMU)
5.3.3
External Voltage Regulator 5.0V (VDDEXT)
This module represents the 5 V voltage regulator, which serves as a supply for external circuits. It can be used
e.g. to supply an external sensor, LEDs or potentiometers.
Features
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Switchable +5 V, low-drop voltage regulator
Switch-on overcurrent blanking time in order to drive small capacitive loads
Overcurrent monitoring and shutdown with MCU signaling (interrupt)
Overvoltage monitoring with MCU signaling (interrupt)
Undervoltage monitoring with MCU signaling (interrupt)
Pull Down current source at the output for Sleep Mode only (typ. 100 μA)
Cyclic sense option together with GPIOs
The output capacitor CVDDEXT is mandatory to ensure a proper regulator functionality.
VDDEXTRegulator
VS
VDDEXT
VPRE
A
C
VDDEXT
V
GND (Pin 39)
I
5V LDO
LDO Supervision
HALL_LDO_block_external .vsd
Figure 7
Module Block Diagram of External Voltage Regulator
Data Sheet
24
Rev. 1.0, 2015-04-30
INFINEON [ Infineon ]
