Texas Instruments TPS659122 Features - Power Management Guide User Manual
Summary
This advanced Power Management Integrated Circuit (PMIC) offers comprehensive power solutions with four configurable step-down DC-DC converters and ten specialized LDO regulators. The device manages complex board power sequencing, supporting customizable power-on/off routines via I2C/SPI interfaces. Ideal for powering demanding consumer electronics, such as smartphones, data cards, and portable devices, the PMIC includes advanced features like thermal monitoring, voltage scaling, and system state management to ensure high efficiency and reliability under varying load conditions.
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 10 |
| File Size | 651.61 KB |
| Published | July 16, 2026 |
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Frequently Asked Questions
How many LDO regulators are available for external usage?
The TPS659122 contains 10 LDO regulators that can be supplied from a battery or pre-regulated supply.
What control interfaces govern the DCDC converters and LDOs?
All LDOs and DCDC converters can be individually controlled by I2C/SPI interface or by dedicated ENABLE pins.
How does the device manage system power during low activity?
A Sleep pin is integrated to enable sophisticated power mode control between ACTIVE and a pre-programmed SLEEP state for optimization.
What specialized feature helps achieve minimal voltage drop when powering RF-PA circuits?
The device includes a bypass switch designed with 100% Duty Cycle, which minimizes dropout when used as an external supply switch.