UPD720114 查看數據表（PDF） - NEC => Renesas Technology
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UPD720114 Datasheet PDF : 32 Pages
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μPD720114
Power Consumption
Parameter
Symbol
Condition
Typ.
Unit
Power Consumption
PW-0
The power consumption under the state without suspend. All
Note 1
the ports do not connect to any function.
Hub controller is operating at full-speed mode.
Hub controller is operating at high-speed mode.
31
mA
86
mA
PW-2
The power consumption under the state without suspend.
Note 2
The number of active ports is 2.
Hub controller is operating at full-speed mode.
Hub controller is operating at high-speed mode.
36
mA
120
mA
PW-3
The power consumption under the state without suspend.
Note 2
The number of active ports is 3.
Hub controller is operating at full-speed mode.
Hub controller is operating at high-speed mode.
38
mA
134
mA
PW-4
The power consumption under the state without suspend.
Note 2
The number of active ports is 4.
PW-UNP
PW_S
Hub controller is operating at full-speed mode.
Hub controller is operating at high-speed mode.
41
mA
149
mA
The power consumption under unplug and the hub in idle
Note 3
state.
10
μA
The power consumption under plug (VBUS ON) and the hub in
220
μA
Note 4
suspend state.
Notes 1. Ports available but inactive or unplugged do not add to the power consumption.
2. The power consumption depends on the number of ports available and actively operating.
3. If the μPD720114 is locally powered and the upstream facing port is unplugged, μPD720114 goes into
suspend state and downstream facing port VBUS goes down.
4. If the upstream VBUS in OFF state, the power consumption is same as PW-UNP.
Data Sheet S17462EJ4V0DS
15
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