Datasheet
TPS65950
SWCS032E–OCTOBER 2008–REVISED JANUARY 2011
www.ti.com
7.2.5.1 OTG VBUS Electrical
Table 7-16 lists the OTG VBUS electrical parameters.
Table 7-16. OTG VBUS Electrical
Parameter Comments Min Typ Max Unit
VBUS Wake-Up Comparator
VBUS wake-up delay DEL
VBUS_WK_UP
15 μs
VBUS wake-up threshold V
VBUS_WK_UP
0.5 0.6 0.7 V
VBUS Comparators
A-device session valid V
A_SESS_VLD
0.8 1.1 1.4 V
A-device V
BUS
valid V
A_VBUS_VLD
4.4 4.5 4.6 V
B-device session end V
B_SESS_END
0.2 0.5 0.8 V
B-device session valid V
B_SESS_VLD
2.1 2.4 2.7 V
VBUS Line
A-device V
BUS
input impedance to SRP (V
BUS
pulsing) capable
R
A_BUS_IN
100 kΩ
ground A-device not driving V
BUS
B-device V
BUS
SRP pulldown R
B_SRP_DWN
5.25 V/8 mA, pullup voltage = 3 V 0.656 10 kΩ
(5.25 V – 3 V)/8 mA, pullup voltage
B-device V
BUS
SRP pullup R
B_SRP_UP
0.281 1 2 kΩ
= 3 V
B-device V
BUS
SRP rise time
maximum for OTG-A t
Rise_SRP_UP_Max
0 to 2.1 V with < 13 μF load 36 ms
communication
B-device V
BUS
SRP rise time
minimum for standard host t
Rise_SRP_UP_Min
0.8 to 2.0 V with > 97 μF load 60 ms
connection
VBUS line maximum voltage If VBUS_CHRG bit is low* 7 V
7.2.5.2 OTG ID Electrical
Table 7-17 lists the OTG ID electrical parameters.
Table 7-17. OTG ID Electrical
Parameter Comments Min Typ Max Unit
ID Wake-Up Comparator
Wake up when ID shorted to ground through a
ID wake-up comparator R
ID_WK_UP
445 kΩ
resistor lower than 445 kΩ (±1%)
ID Comparators—ID External Resistor Specifications
ID_GND interrupt when ID shorted to ground
ID ground comparator R
ID_GND
0 5 10 Ω
through a resistor lower than 10 Ω
ID_100K interrupt when 102 kΩ (1%) resistor
ID 100k comparators R
ID_100K
101 102 103 kΩ
plugged in
ID_200K interrupt when 200 kΩ (1%) resistor
ID 200k comparators R
ID_200K
198 200 202 kΩ
plugged in
ID_440K interrupt when 440 kΩ (1%) resistor
ID 440k comparators R
ID_440K
435 440 445 kΩ
plugged in
ID_FLOAT interrupt when ID shorted to ground
ID float comparator R
ID_FLOAT
1400 kΩ
through a resistor higher than 560 kΩ
ID Line
Phone I
D
pullup to V
PH_ID_UP
R
PH_ID_UP
ID unloaded (VRUSB) 70 200 286 kΩ
Phone I
D
pullup voltage VPH_ID_UP Connected to VRUSB 2.5 3.2 V
ID line maximum voltage 5.25 V
112 USB HS 2.0 OTG Transceiver Copyright © 2008–2011, Texas Instruments Incorporated
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