Datasheet

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TPS65910 EVM Power Capabilities

1.2 Features

• An EPC

• Two efficient step-down DCDC converters for processor cores

• One efficient step-down DCDC converter for I/O power

• One efficient step-up 5-V DCDC converter

• SmartReflex-compliant dynamic voltage management for processor cores

• Eight LDO voltage regulators and one RTC LDO (internal purpose)

• One high-speed I

C interface for general-purpose control command

• One high-speed I

C interface for SmartReflex (SR) class-3 control command

• Two enable signals multiplexed with SR-I2C, configurable to control any supply state and processor

cores supply voltage

• Thermal shutdown protection and hot-die detection

• An RTC resource with:

– Oscillator for 32.768-kHz crystal or 32-kHz built-in RC oscillator

– Complete calendar capability

– Alarm capability

• One configurable general-purpose input/output (GPIO)

• DCDCs switching synchronization through internal or external 3-MHz clock

• Backup battery charger

2 TPS65910 EVM Power Capabilities

Table 1. TPS65910 EVM Resources Summary

POWER RESOURCE TYPE VOLTAGE RANGE (V) I

max

(mA)

VIO SMPS (buck) 1.5, 1.8, 2.5, 3.3 1000

VDD1 SMPS (buck) 0.6, 1.1, 1.5, 2.2, 3.2 1500

VDD2 SMPS (buck) 0.6, 1.1, 1.5, 2.2, 3.2 1500

VDD3 SMPS (boost) 5 100

VDIG1 LDO 1.2, 1.5, 1.8, 2.7 300

VDIG2 LDO 1.0, 1.1, 1.2, 1.8 300

VAUX33 LDO 1.8, 2.0, 2.8, 3.3 150

VMMC LDO 1.8, 2.8, 3.0, 3.3 300

VAUX1 LDO 1.8, 2.5, 2.8, 2.85 300

VAUX2 LDO 1.8, 2.8, 2.9, 3.3 150

VDAC LDO 1.8, 2.6, 2.8, 2.85 150

VPLL LDO 1.0, 1.1, 1.8, 2.5 50

For detailed electrical characteristics of SMPS and LDO supplies, refer to the product data sheet.

3 Schematic

Figure 1 shows the TPS65910 EVM schematic.

SWCU065F–March 2010–Revised April 2013 Introduction

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