Texas Instruments TPS65910 EVM, User Manual

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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
2
C interface for general-purpose control command
• One high-speed I
2
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.
3 SWCU065E – March 2010 – Revised May 2011 Introduction
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