Datasheet
TPS65950
SWCS032E–OCTOBER 2008–REVISED JANUARY 2011
www.ti.com
6.2.6 Uplink Characteristics .......................................................................................... 92
6.2.7 Microphone Amplification Stage .............................................................................. 93
6.2.8 Carkit Input ...................................................................................................... 93
6.2.9 Digital Audio Filter Module .................................................................................... 94
6.2.10 Digital Voice Filter Module ..................................................................................... 95
6.2.10.1 Voice Uplink Filter (Sampling Frequency at 8 kHz) ........................................... 95
6.2.10.2 Voice Uplink Filter (Sampling Frequency at 16 kHz) .......................................... 97
7 USB HS 2.0 OTG Transceiver .............................................................................................. 99
7.1 USB Features .............................................................................................................. 99
7.2 USB Transceiver ......................................................................................................... 100
7.2.1 MCPC Carkit Port Timing .................................................................................... 102
7.2.2 USB-CEA Carkit Port Timing ................................................................................ 103
7.2.3 HS USB Port Timing .......................................................................................... 105
7.2.4 PHY Electrical Characteristics ............................................................................... 106
7.2.4.1 5-V Tolerance ..................................................................................... 106
7.2.4.2 LS/FS Single-Ended Receivers ................................................................. 106
7.2.4.3 LS/FS Differential Receiver ..................................................................... 107
7.2.4.4 LS/FS Differential Transmitter .................................................................. 107
7.2.4.5 HS Differential Receiver ......................................................................... 108
7.2.4.6 HS Differential Transmitter ...................................................................... 108
7.2.4.7 CEA/MCPC/UART Driver ........................................................................ 109
7.2.4.8 Pullup/Pulldown Resistors ....................................................................... 110
7.2.4.9 PHY DPLL Electrical Characteristics .......................................................... 110
7.2.4.10 PHY Power Consumption ....................................................................... 111
7.2.5 OTG Electrical Characteristics .............................................................................. 111
7.2.5.1 OTG VBUS Electrical ............................................................................ 112
7.2.5.2 OTG ID Electrical ................................................................................. 112
8 Battery Interface .............................................................................................................. 114
8.1 General Description ...................................................................................................... 114
8.1.1 Battery Charger Interface Overview ........................................................................ 114
8.1.2 Battery Backup Overview .................................................................................... 114
8.2 Typical Application Schematics ........................................................................................ 114
8.2.1 Functional Configurations .................................................................................... 114
8.2.2 In-Rush Current Limitation Schematic ...................................................................... 115
8.2.3 Configuration With BCI Not Used ........................................................................... 116
8.3 Electrical Characteristics ................................................................................................ 118
8.3.1 Main Charge ................................................................................................... 118
8.3.2 Precharge ...................................................................................................... 121
8.3.3 Constant Voltage Mode ...................................................................................... 122
8.4 Charge Sequence Timing Diagram .................................................................................... 124
8.5 CEA Charger Type ....................................................................................................... 124
9 MADC ............................................................................................................................. 126
9.1 General Description ...................................................................................................... 126
9.2 Main Electrical Characteristics ......................................................................................... 126
9.3 Channel Voltage Input Range .......................................................................................... 127
9.3.1 Sequence Conversion Time (Real-Time or Nonaborted Asynchronous) .............................. 127
10 LED Drivers ..................................................................................................................... 129
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