1 Device Overview

1.1 Features 1

• Embedded Power Controller • Two Enable Signals Multiplexed with SR-I2C,

• Two Efficient Step-Down DC-DC Converters for Configurable to Control any Supply State and

Processor Cores Processor Cores Supply Voltage

• One Efficient Step-Down DC-DC Converter for I/O • Thermal Shutdown Protection and Hot-Die

Power Detection

• One Efficient Step-Up 5-V DC-DC Converter • An RTC Resource With:

• SmartReflex™ Compliant Dynamic Voltage – Oscillator for 32.768-kHz Crystal or 32-kHz

Management Built-in RC Oscillator for Processor Cores

• 8 LDO Voltage Regulators and One Real-Time – Date, Time, and Calendar

Clock (RTC) LDO (Internal Purpose) – Alarm Capability

• One High-Speed I

2C Interface for General-Purpose • One Configurable GPIO

Control Commands (CTL-I2C) • DC-DC Switching Synchronization Through

• One High-Speed I

2C Interface for SmartReflex Internal or External 3-MHz Clock

Class 3 Control and Command (SR-I2C)

1.2 Applications

• Portable and Handheld Systems • Industrial Systems

1.3 Description

for the I/Os and memory in the system.

The device includes eight general-purpose LDOs providing a wide range of voltage and current

capabilities. The LDOs are fully controllable by the I

2C interface. The use of the LDOs is flexible; they are

intended to be used as follows: Two LDOs are designated to power the PLL and video DAC supply rails

on the OMAP-based processors, four general-purpose auxiliary LDOs are available to provide power to

other devices in the system, and two LDOs are provided to power DDR memory supplies in applications

requiring these memories.
TPS65910A3A1RSLTPS65910A3A1RSLTPS65910A3A1RSLTPS65910A3A1RSL

1设备概述

1.1功能1

•嵌入式电源控制器•两个启用SR-I2C复用的信号，

•两个高效降压DC-DC转换器，可配置，以控制任何供应状态和

处理器核处理器核提供电压

•一种高效的降压DC-DC变换器，用于I/O、热停机保护和热模

功率检测

•高效的5-V DC-DC变换器•RTC资源:

•SmartReflex™的动态电压- 32.768 khz水晶或32-kHz振荡器

为处理器核心管理内置RC振荡器

•8 LDO电压调节器和一个实时日期、时间和日历

时钟(RTC) LDO(内部用途)-报警能力

•一个高速I

一个可配置的GPIO接口

控制命令(CTL-I2C)•DC-DC切换同步通过

•一个高速I

用于SmartReflex内部或外部3-MHz时钟的2C接口

第3类控制与命令(SR-I2C)

1.2应用程序

•便携式和手持系统•工业系统

1.3描述

用于系统中的I/Os和内存。

该装置包括8个通用LDOs，提供宽范围的电压和电流

功能。LDOs完全由I控制

2 c接口。LDOs的使用是灵活的;他们是

用途如下:两个LDOs指定用于PLL和视频DAC供电轨

在基于omap的处理器上，有4个通用的辅助LDOs可供使用

系统中的其他设备和两个LDOs被提供给应用程序中的DDR内存供应

需要这些记忆。

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