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STUSB4700 数据表(PDF) 25 Page - STMicroelectronics

部件名 STUSB4700
功能描述  Smart plugs and wall adapters
PDF  32 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STUSB4700 数据表(HTML) 25 Page - STMicroelectronics

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STUSB4700
Electrical characteristics
DocID030193 Rev 2
25/32
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VTH1.6
Detection
threshold 6
Max Rd detection by DFP at IP
= IP-USB and IP = IP-1.5
1.5
1.6
1.65
V
VTH2.6
Detection
threshold 7
Max Rd detection by DFP
at IP-3.0,
max CC voltage for
connected UFP
2.45
2.6
2.75
V
VCONN protection
RVCONN
VCONN path
resistance
IVCONN = 0.2 A
-40°C < TA < +105°C
0.25
0.5
0.975
Ω
IOCP
Over current
protection
Programmable current limit
threshold (from 100 mA to 600
mA by step of 50 mA).
85
100
125
mA
300
350
400
550
600
650
VOVP
Output over
voltage protection
5.9
6
6.1
V
VUVP
Input under
voltage protection
Low UVLO threshold
2.6
–
2.7
V
High UVLO threshold (default)
4.6
–
4.8
VBUS monitoring and driving
VTHUSB
VBUS presence
threshold
VSYS=3.0 to 5.5 V
3.8
3.9
4
V
VTH0V
VBUS safe 0V
threshold
(vSafe0V)
VSYS=3.0 to 5.5 V
Programmable threshold
(from 0.6 to 1.8 V)
Default VTHOV= 0.6 V
0.5
0.6
0.7
V
0.8
0.9
1
1.1
1.2
1.3
1.7
1.8
1.9
RDISUSB
VBUS discharge
resistor
600
700
800
Ω
TDISUSB
VBUS discharge
time to 0 V
Default TDISUSB= 840 ms . The
coefficient TDISPARAM is
programmable by NVM.
70
*TDISPARAM
84
*TDISPARAM
100
*TDISPARAM
ms
TDISUSB
VBUS discharge
time to PDO
Default TDISUSB= 200 ms
The coefficient TDISPARAM is
programmable by NVM
20
*TDISPARAM
24
*TDISPARAM
28
*TDISPARAM
ms
VMONUSBH
VBUS monitoring
high voltage
threshold
VBUS = nominal target value
Default VMONUSBH = VBUS
+10%
The threshold limit is
programmable by NVM
from VBUS +5% to VBUS
+20%
–
VBUS +10%
–
V



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