Datasheet
TPS65930/TPS65920
SWCS037G–MAY 2008– REVISED APRIL 2011
www.ti.com
Contents
1 Introduction ........................................................................................................................ 9
1.1 Features .................................................................................................................... 10
1.2 TPS65920 and TPS65930 Device Block Diagrams ................................................................... 11
2 Terminal Description .......................................................................................................... 13
2.1 Ball Characteristics ........................................................................................................ 13
2.2 Signal Description ......................................................................................................... 17
3 Electrical Characteristics .................................................................................................... 23
3.1 Absolute Maximum Ratings .............................................................................................. 23
3.2 Minimum Voltages and Associated Currents .......................................................................... 23
3.3 Recommended Operating Conditions .................................................................................. 24
3.4 Digital I/O Electrical Characteristics ..................................................................................... 24
4 Power Module ................................................................................................................... 27
4.1 Power Providers ........................................................................................................... 28
4.1.1 VDD1 dc-dc Regulator ......................................................................................... 29
4.1.1.1 VDD1 dc-dc Regulator Characteristics .......................................................... 29
4.1.1.2 External Components and Application Schematics ........................................... 30
4.1.2 VDD2 dc-dc Regulator ......................................................................................... 32
4.1.2.1 VDD2 dc-dc Regulator Characteristics .......................................................... 32
4.1.2.2 External Components and Application Schematics ........................................... 33
4.1.3 VIO dc-dc Regulator ............................................................................................ 35
4.1.3.1 VIO dc-dc Regulator Characteristics ............................................................ 35
4.1.3.2 External Components and Application Schematics ........................................... 36
4.1.4 VDAC LDO Regulator .......................................................................................... 38
4.1.5 VPLL1 LDO Regulator ......................................................................................... 39
4.1.6 VMMC1 LDO Regulator ....................................................................................... 40
4.1.7 VAUX2 LDO Regulator ........................................................................................ 41
4.1.8 Output Load Conditions ........................................................................................ 42
4.1.9 Charge Pump ................................................................................................... 43
4.1.10 USB LDO Short-Circuit Protection Scheme ................................................................. 44
4.2 Power References ......................................................................................................... 45
4.3 Power Control .............................................................................................................. 45
4.3.1 Backup Battery Charger ....................................................................................... 45
4.3.2 Battery Monitoring and Threshold Detection ................................................................ 46
4.3.2.1 Power On/Power Off and Backup Conditions .................................................. 46
4.3.3 VRRTC LDO Regulator ........................................................................................ 46
4.4 Power Consumption ....................................................................................................... 47
4.5 Power Management ....................................................................................................... 49
4.5.1 Boot Modes ...................................................................................................... 49
4.5.2 Process Modes .................................................................................................. 49
4.5.2.1 MC021 Mode ....................................................................................... 49
4.5.3 Power-On Sequence ........................................................................................... 49
4.5.3.1 Timing Before Sequence_Start .................................................................. 49
4.5.3.2 Power-On Sequence .............................................................................. 51
4.5.3.3 Power On in Slave_C021 Mode ................................................................. 51
4.5.4 Power-Off Sequence ........................................................................................... 53
4.5.4.1 Power-Off Sequence .............................................................................. 53
2 Contents Copyright © 2008–2011, Texas Instruments Incorporated