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2.2.5 PMIC
The AM263Px Control Card makes use of a multirail power supply for microcontrollers in safety-relevant
applications (TPS6538600QDCARQ1). The PMIC integrates multiple supply rails to power the MCU, CAN, and
other on-board peripherals.
BB_OUT and LDO1_OUT are powered on by default. LDO[2:4]_OUT and PLDO[1:2]_OUT are not
powered on by default and require a SPI write to enable these supply rails.
The PMIC supports wake-up from WAKE1 (VMAIN_12V0) or wake-up from a CAN transceiver (INH).
An independent voltage monitoring unit inside the PMIC monitors undervoltage and overvoltage on all internal
supply rails and regulator outputs of the battery supply. All supplies are protected with current limiting and
overtemperature warning and shutdown.
SPRUJ86 – OCTOBER 2023
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Figure 2-7. PMIC
Note
Copyright © 2023 Texas Instruments Incorporated
AM263Px Control Card Evaluation Module
Hardware
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