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TPS65921 Datasheet Power Management and USB Single Chip

Manufacturer: Texas Instruments

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General Description

The TPS65921 device is a highly integrated power-management circuit (IC) that supports the power and peripheral requirements of the OMAP application processors.

The device contains power management, a universal serial bus (USB) high-speed (HS) transceiver, an analog-to-digital converter (ADC), a real-time clock (RTC), a keypad interface, and an embedded power control (EPC).

The power portion of the device contains three buck converters, two controllable by a dedicated SmartReflex class-3 interface, multiple low-dropout (LDO) regulators, an EPC to manage the power-sequencing requirements of OMAP, and an RTC module.

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS65921 SWCS048G – MARCH 2010 – REVISED SEPTEMBER 2014 TPS65921 Power Management and USB Single Chip 1 Device Overview 1.

Key Features

  • 1.
  • Three Step-Down Converters:.
  • Up to 1.2 A of Output Current for VDD1.
  • TPS65921B Supports VDD1 up to 1.2 A.
  • TPS65921B1 Supports VDD1 up to 1.4 A (Necessary for 1-GHz Operation).
  • SmartReflex™ Dynamic Voltage Management.
  • 3.2-MHz Fixed Frequency Operation.
  • VIN Range from 2.7 to 4.5 V.
  • Typical 30 µA Quiescent per Converter.
  • Four General-Purpose Configurable LDOs:.
  • Dynamic Voltage Scaling.
  • 220-mA Maxim.

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