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TPS65950BZXNR Datasheet(PDF) 2 Page - Texas Instruments |
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TPS65950BZXNR Datasheet(HTML) 2 Page - Texas Instruments |
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2 / 171 page  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 |
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