UPD16855BC 데이터 시트보기 (PDF) - NEC => Renesas Technology
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UPD16855BC Datasheet PDF : 28 Pages
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µPD16855
APPLICATION CIRCUIT
Example 1
D+
D−
Over
Current
Enable
5V
10 kΩ
CTL1
FLG1
FLG2
CTL2
OUT1
IN
GND
OUT2
1 µF
150 µ F
VBUS
D+
D−
GND
USB
Controller
µ PD16855A
USB OUTPUT Port : 1 port
Use µ PD16855A
Not need to control by USB-controller (CTL-input is "H"-active)
Example 2
3.3 V
5V
D+
D−
10 kΩ
Over
Current
Enable
USB
Controller
10 kΩ
CTL1 OUT1
FLG1 IN
FLG2 GND
CTL2 OUT2
µ PD16855B
1 µF
150 µ F
150 µ F
VBUS
D+
D−
GND
VBUS
D+
D−
GND
USB
Connector
USB OUTPUT Port : 2 port
Use µ PD16855B
controllable by USB-controller (CTL-input is "L"-active)
Timing chart Example 2
IN (input)
OUT
(output)
Flg
(output)
5V
GND
5V
GND
5V
GND
CTL
(input)
5V
GND
over current detect threshold
Iout
over current detect
The application circuits and their parameters are for references only and are not intended for use in actual designin's.
Data Sheet S13020EJ1V0DS00
19
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