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STUSB4500 数据表(PDF) 27 Page - STMicroelectronics

部件名 STUSB4500
功能描述  Standalone USB PD sink controller with short-to-VBUS protections
PDF  41 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STUSB4500 数据表(HTML) 27 Page - STMicroelectronics

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7.3
Electrical and timing characteristics
Unless otherwise specified: VDD = 5 V, TA = 25 °C, all voltages are referenced to GND.
Table 22. Electrical characteristics
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
IDD (SNK)
Current consumption
Device idle as a SINK
(not connected, no communication)
VSYS @ 3.3 V
VDD @ 5.0 V
115
110
140
160
165
210
µA
µA
TLOAD
I2C registers loading
time from NVM
At power-up or after a reset
30
ms
CC1 and CC2 pins
Rd
CC pull-down
resistors
-40 °C < TA < +105 °C
-10%
5.1
+10%
kΩ
RINCC
CC input impedance
Terminations off
200
kΩ
VTH0.2
Detection threshold 1
Min. IP-USB detection by sink on Rd,
min CC voltage for connected sink
0.15
0.20
0.25
V
VTH0.66
Detection threshold 2 Min. I P_1.5 detection by sink on Rd
0.61
0.66
0.71
V
VTH1.23
Detection threshold 3 Min. I P_3.0 detection by sink on Rd
1.16
1.23
1.31
V
VTH2.6
Detection threshold 4 Max. CC voltage for connected sink
2.45
2.60
2.75
V
VOVP
Overvoltage
protection on CC pins
5.82
6
6.18
V
VBUS_VS_DISCH pin monitoring and driving
VTHUSB
VBUS disconnection
threshold (5 V USB
Type-C or PDO1
selected)
VSYS = 3.0 to 5.5 V
3.2
3.3
3.4
V
VTH0V
VBUS safe 0 V
threshold (vSafe0V)
VSYS = 3.0 to 5.5 V
0.5
0.6
0.7
V
IDISUSB
VBUS discharge
current
Through external resistor connected to
VBUS_VS_DISCH pin
50
mA
TDISUSB0V
VBUS discharge time
to 0 V
At detachment, during error recovery
state or hard reset,
Coefficient TDISPAR0V programmable
by NVM,
Default TDISPAR0V = 9, TDISUSB0V =
756 ms
70
*TDISPAR0V
84
*TDISPAR0V
100
*TDISPAR0V
ms
TDISUSBPDO
VBUS transition
discharge time to new
PDO
At transition to a lower PDO voltage,
Coefficient TDISPARPDO programmable
by NVM,
Default TDISPARPDO = 12, TDISUSBPDO
= 288 ms
20
*TDISPARPDO
24
*TDISPARPDO
28
*TDISPARPDO
ms
STUSB4500
Electrical and timing characteristics
DS12499 - Rev 2
page 27/41



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