TPS6521903RHBR
Three step-down converters with non fixed switching frequencies up to 2.3MHz:
1 VIN: 2.5V – 5.5V; I OUT: 3.5A; V OUT 0.6V – 3.4V
2 VINs: 2.5V – 5.5V; I OUT: 2A; V OUT 0.6V – 3.4V
4 linear regulators:
2 VINs: 1.5V – 5.5V; I OUT: 400mA; V OUT: 0.6V – 3.4V (can be configured as load switch and bypass mode, supports SD card)
2x VIN: 2.2V – 5.5V; I OUT: 300mA; V OUT: 1.2V – 3.3V (configurable as load switch)
Dynamic voltage regulation on all two or three buck converters
PWM mode with low IQ/PFM (quasi fixed frequency)
Programmable power supply timing and default voltage
I 2C interface, supporting standard mode, fast mode, and enhanced version of fast mode
Designed to support systems with up to 14 or more power rails (2 TPS65219, each with 7 power rails and external power rails controlled by GPO)
2 GPOs, 1 GPIO, and 3 multifunctional pins
EEPROM programmability
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