參數(shù)資料
型號： TPS65950ZXNT
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費家電
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)： 17/167頁
文件大?。?/td> 2566K
代理商： TPS65950ZXNT
7.2.5.2 OTG ID Electrical
TPS65950
Integrated Power Management/Audio Codec
www.ti.com
SWCS032 – OCTOBER 2008
Table 7-16. OTG VBUS Electrical
Parameter
Comments
Min(1)
Typ(2)
Max(3)
Unit
VBUS Wake-Up Comparator
VBUS wake-up delay
DELVBUS_WK_UP
15
s
VBUS wake-up threshold
VVBUS_WK_UP
0.5
0.6
0.7
V
VBUS Comparators
A-device session valid
VA_SESS_VLD
0.8
1.1
1.4
V
A-device VBUS valid
VA_VBUS_VLD
4.4
4.5
4.6
V
B-device session end
VB_SESS_END
0.2
0.5
0.8
V
B-device session valid
VB_SESS_VLD
2.1
2.4
2.7
V
VBUS Line
A-device VBUS input impedance to
SRP (VBUS pulsing) capable
RA_BUS_IN
100
k
ground
A-device not driving VBUS
B-device VBUS SRP pulldown
RB_SRP_DWN
5.25 V/8 mA, pullup voltage = 3 V
0.656
10
k
(5.25 V – 3 V)/8 mA, pullup voltage
B-device VBUS SRP pullup
RB_SRP_UP
0.281
1
2
k
= 3 V
B-device VBUS SRP rise time
maximum for OTG-A
tRise_SRP_UP_Max
0 to 2.1 V with < 13
F load
36
ms
communication
B-device VBUS SRP rise time
minimum for standard host
tRise_SRP_UP_Min
0.8 to 2.0 V with > 97
F load
60
ms
connection
VBUS line maximum voltage
If VBUS_CHRG bit is low*
7
V
(1)
Min = Minimum value
(2)
Typ = Typical value
(3)
Max = Maximum value
Table 7-17 lists the OTG ID electrical parameters.
Table 7-17. OTG ID Electrical
Parameter
Comments
Min(1)
Typ(2)
Max(3)
Unit
ID Wake-Up Comparator
Wake up when ID shorted to ground through a
ID wake-up comparator
RID_WK_UP
445
k
resistor lower than 445 k
(±1%)
ID Comparators—ID External Resistor Specifications
ID_GND interrupt when ID shorted to ground
ID ground comparator
RID_GND
0
5
10
through a resistor lower than 10
ID_100K interrupt when 102 k
(1%) resistor
ID 100k comparators
RID_100K
101
102
103
k
plugged in
ID_200K interrupt when 200 k
(1%) resistor
ID 200k comparators
RID_200K
198
200
202
k
plugged in
ID_440K interrupt when 440 k
(1%) resistor
ID 440k comparators
RID_440K
435
440
445
k
plugged in
ID_FLOAT interrupt when ID shorted to ground
ID float comparator
RID_FLOAT
1400
k
through a resistor higher than 560 k
ID Line
Phone ID pullup to VPH_ID_UP
RPH_ID_UP
ID unloaded (VRUSB)
70
200
286
k
Phone ID pullup voltage
VPH_ID_UP
Connected to VRUSB
2.5
3.2
V
ID line maximum voltage
5.25
V
(1)
Min = Minimum value
(2)
Typ = Typical value
(3)
Max = Maximum value
USB HS 2.0 OTG Transceiver
113
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