The TPS659119-Q1 device is an integrated power-management IC dedicated to systems using
an applications processor requiring multiple power rails. The device provides three step-down
converters, one control for an external converter, eight LDOs, and is designed to be flexible for
supporting different processors and applications.
Two of the step-down converters provide power for dual-processor cores and support for
dynamic voltage scaling by a dedicated I2C interface for optimum power
savings. The third converter provides power for inputs and outputs (I/Os) and memory in the system.
The control for an external converter can sequence and scale the voltage of an external converter
for a high-current rail in the system.
For all available packages, see the orderable addendum at the
end of the data sheet.
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The device also includes eight general-purpose LDOs providing a wide range of voltage and
current capabilities. Five of the LDOs support 1 to 3.3 V with 100-mV steps, and three LDOs support
1 to 3.3 V with 50-mV steps. All LDOs are fully controllable by the I2C
In addition to the power regulators, the device contains nine configurable GPIOs with
multiplexing features to support a wide variety of functions. The device also includes an embedded
power controller to manage the power sequencing requirements of the system. The power sequencing is
programmable by EEPROM.
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