Datasheet

TPS65930/TPS65920
SWCS037G–MAY 2008– REVISED APRIL 2011 www.ti.com
7.1.5.1 OTG VBUS Electrical Characteristics
Table 7-9 lists the electrical characteristics of the OTG VBUS.
Table 7-9. OTG VBUS Electrical Characteristics
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 A-device
R
A_BUS_IN
100 kΩ
ground 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 = 3
B-device V
BUS
SRP pullup R
B_SRP_UP
0.281 1 2 kΩ
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
7.1.5.2 OTG ID Electrical Characteristics
Table 7-10 lists the electrical characteristics of OTG ID.
Table 7-10. OTG ID Electrical Characteristics
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
76 USB Transceiver Copyright © 2008–2011, Texas Instruments Incorporated
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