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參數(shù)資料
型號： TPS65950ZXNT
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PBGA209
封裝： 7 X 7 MM, 0.40 MM PITCH, PLASTIC, BGA-209
文件頁數(shù)： 80/167頁
文件大小： 2566K
代理商： TPS65950ZXNT
Contents
TPS65950
Integrated Power Management/Audio Codec
SWCS032 – OCTOBER 2008
www.ti.com
1
Introduction
....................................................................................................................... 13
1.1
Features
..................................................................................................................... 14
1.2
TPS65950 Block Diagram
................................................................................................. 15
2
Terminal Description
........................................................................................................... 17
2.1
Corner Balls
................................................................................................................. 17
2.2
Ball Characteristics
......................................................................................................... 18
2.3
Signal Description
.......................................................................................................... 23
3
Electrical Characteristics
..................................................................................................... 30
3.1
Absolute Maximum Ratings
............................................................................................... 30
3.2
Minimum Voltages and Associated Currents
........................................................................... 30
3.3
Recommended Operating Conditions
................................................................................... 31
3.4
Digital I/O Electrical Characteristics
..................................................................................... 31
4
Power Module
.................................................................................................................... 35
4.1
Power Providers
............................................................................................................ 37
4.1.1
VDD1 Dc-dc Regulator
......................................................................................... 38
4.1.1.1
VDD1 Dc-dc Regulator Characteristics
............................................................ 38
4.1.1.2
External Components and Application Schematic
............................................... 40
4.1.2
VDD2 Dc-dc Regulator
......................................................................................... 41
4.1.2.1
VDD2 Dc-dc Regulator Characteristics
............................................................ 41
4.1.2.2
External Components and Application Schematic
............................................... 43
4.1.3
VIO Dc-dc Regulator
........................................................................................... 44
4.1.3.1
VIO Dc-dc Regulator Characteristics
.............................................................. 44
4.1.3.2
External Components and Application Schematic
............................................... 46
4.1.4
VDAC LDO Regulator
........................................................................................... 47
4.1.5
VPLL1 LDO Regulator
......................................................................................... 47
4.1.6
VPLL2 LDO Regulator
.......................................................................................... 48
4.1.7
VMMC1 LDO Regulator
........................................................................................ 49
4.1.8
VMMC2 LDO Regulator
........................................................................................ 50
4.1.9
VSIM LDO Regulator
............................................................................................ 51
4.1.10
VAUX1 LDO Regulator
......................................................................................... 52
4.1.11
VAUX2 LDO Regulator
......................................................................................... 53
4.1.12
VAUX3 LDO Regulator
......................................................................................... 53
4.1.13
VAUX4 LDO Regulator
......................................................................................... 54
4.1.14
Internal LDOs
.................................................................................................... 55
4.1.15
CP
................................................................................................................. 56
4.1.16
USB LDO Short-Circuit Protection Scheme
.................................................................. 56
4.2
Power References
.......................................................................................................... 57
4.3
Power Control
............................................................................................................... 57
4.3.1
Backup Battery Charger
........................................................................................ 57
4.3.2
Battery Monitoring and Threshold Detection
................................................................. 58
4.3.2.1
Power On/Power Off and Backup Conditions
..................................................... 58
4.4
Power Consumption
....................................................................................................... 58
4.5
Power Management
........................................................................................................ 59
4.5.1
Boot Modes
....................................................................................................... 59
4.5.2
Process Modes
.................................................................................................. 59
4.5.2.1
C027.0 Mode
.......................................................................................... 59
4.5.2.2
C021.M Mode
......................................................................................... 59
4.5.3
Power-On Sequence
............................................................................................ 60
4.5.3.1
Timings Before Sequence_Start
.................................................................... 60
4.5.3.2
OMAP2 Power-On Sequence
....................................................................... 61
Contents
2
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