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零件编号
产品描述 (功能)
FAN3988 查看數據表(PDF) - ON Semiconductor
零件编号
产品描述 (功能)
生产厂家
FAN3988
USB/Charger and Over-Voltage Detection Device
ON Semiconductor
FAN3988 Datasheet PDF : 8 Pages
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Pin Configuration
Figure 2. Pin Configuration (Top View)
Pin Definitions
Pin#
1
2
3
4
5
6
Name
Vbus
D-
D+
Gnd
Flag2
Flag1
Type
Input
Input
Input
Input
Output
Output
Description
Power input from charger, USB device, or handheld battery
USB data input
USB data input
Device ground
Over/under-voltage flag output
Charger/standard USB device detect flag
Truth Table
Connection State
STD USB Device
(2)
STD USB Device
STD USB Device
USB Charger
V
BUS
> 6 V
V
BUS
< 3.3 V
PC Data/Charger
Note:
2.
See Figure 7.
V
BUS
(V)
0
0
5
5
>6
< 3.3
5
D-
Open
R to GND
R to GND
Short to D+
Short to D+
Short to D+
Open
D+
Open
R to GND
R to GND
Short to D-
Short to D-
Short to D-
Open
FLAG1
LOW
LOW
LOW
HIGH
HIGH
HIGH
LOW
FLAG2
LOW
LOW
HIGH
HIGH
LOW
LOW
HIGH
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