PMU for processor – supply rails and temperature grade
The TPS6590379ZWSR is a power-management unit (PMU) from Texas Instruments, designed specifically for processor core and I/O rail sequencing. Its input supply range of 3.135 V to 5.25 V covers common 3.3 V and 5 V system buses, so the PMU can draw directly from the board's main power rail without an intermediate regulator. The 169-NFBGA (12x12) package demands a controlled-impedance PCB stack-up; the 0.50 mm pitch BGA typically requires a 4-layer board for signal fan-out and decoupling.
Package and footprint – 169-NFBGA layout considerations
The 169-LFBGA package with a 12x12 mm body and 0.50 mm ball pitch sets the PCB escape routing.
ROHS3 compliant. The base product number TPS6590379 covers the family; confirm the suffix ZWSR matches your required configuration.