See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

DGN | 8

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

TPS2158IDGN


3.3V LDO + Dual Switch For USB Peripherals, Active-High Enables

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750 - 999 $ 1.57
1000 - 9999 $ 1.50

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Texas Instruments TPS2158IDGN

The TPS2148 incorporates two power distribution switches and an LDO in one small package, providing a USB peripheral power management solution that saves up to 60% in board space over typical implementations.

The TPS2148 meets USB 2.0 bus-powered peripheral requirements. An integrated LDO regulates the 5-V bus power down to 3.3 V for the USB controller, and a MOSFET switch that is internally connected to the output of the LDO simplifies meeting the suspend and enumeration current requirements imposed by the USB specification.

A second switch is available to support a downstream port, stage power to a second voltage regulator, or disable power to selected circuitry in power-save modes.

Each power-distribution switch is capable of supplying 200 mA of continuous current, and the independent logic enables are compatible with 5-V logic and 3-V logic. The switches and the LDO are designed with controlled rise times and fall times to minimize current surges.

The TPS2148 has active-low enables while the TPS2158 has active-high enables. View datasheet
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