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TPS65930A2ZCH Datasheet(PDF) 2 Page - Texas Instruments |
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TPS65930A2ZCH Datasheet(HTML) 2 Page - Texas Instruments |
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2 / 117 page  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 |
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