Datasheet

TPS65950
SWCS032E–OCTOBER 2008–REVISED JANUARY 2011 www.ti.com
Contents
1 Introduction ...................................................................................................................... 11
1.1 Features .................................................................................................................... 12
1.2 TPS65950 Block Diagram ................................................................................................ 13
2 Terminal Description .......................................................................................................... 14
2.1 Corner Balls ................................................................................................................ 14
2.2 Ball Characteristics ........................................................................................................ 15
2.3 Signal Description ......................................................................................................... 20
3 Electrical Characteristics .................................................................................................... 27
3.1 Absolute Maximum Ratings .............................................................................................. 27
3.2 Minimum Voltages and Associated Currents .......................................................................... 27
3.3 Recommended Operating Conditions .................................................................................. 28
3.4 Digital I/O Electrical Characteristics ..................................................................................... 28
4 Power Module ................................................................................................................... 32
4.1 Power Providers ........................................................................................................... 34
4.1.1 VDD1 dc-dc Regulator ......................................................................................... 35
4.1.1.1 VDD1 dc-dc Regulator Characteristics .......................................................... 35
4.1.1.2 External Components and Application Schematic ............................................. 36
4.1.2 VDD2 dc-dc Regulator ......................................................................................... 38
4.1.2.1 VDD2 dc-dc Regulator Characteristics .......................................................... 38
4.1.2.2 External Components and Application Schematic ............................................. 39
4.1.3 VIO dc-dc Regulator ............................................................................................ 41
4.1.3.1 VIO dc-dc Regulator Characteristics ............................................................ 41
4.1.3.2 External Components and Application Schematic ............................................. 42
4.1.4 VDAC LDO Regulator .......................................................................................... 44
4.1.5 VPLL1 LDO Regulator ......................................................................................... 45
4.1.6 VPLL2 LDO Regulator ......................................................................................... 46
4.1.7 VMMC1 LDO Regulator ....................................................................................... 47
4.1.8 VMMC2 LDO Regulator ....................................................................................... 48
4.1.9 VSIM LDO Regulator ........................................................................................... 49
4.1.10 VAUX1 LDO Regulator ........................................................................................ 50
4.1.11 VAUX2 LDO Regulator ........................................................................................ 51
4.1.12 VAUX3 LDO Regulator ........................................................................................ 52
4.1.13 VAUX4 LDO Regulator ........................................................................................ 53
4.1.14 Internal LDOs ................................................................................................... 54
4.1.15 CP ................................................................................................................ 54
4.1.16 USB LDO Short-Circuit Protection Scheme ................................................................. 55
4.2 Power References ......................................................................................................... 55
4.3 Power Control .............................................................................................................. 56
4.3.1 Backup Battery Charger ....................................................................................... 56
4.3.2 Battery Monitoring and Threshold Detection ................................................................ 56
4.3.2.1 Power On/Power Off and Backup Conditions .................................................. 56
4.3.3 VRRTC LDO Regulator ........................................................................................ 57
4.4 Power Consumption ....................................................................................................... 58
4.5 Power Management ....................................................................................................... 59
4.5.1 Boot Modes ...................................................................................................... 59
4.5.2 Process Modes .................................................................................................. 59
2 Contents Copyright © 2008–2011, Texas Instruments Incorporated