Publication Order Number:
FAN3988/D
© 2007 Semiconductor Components Industries, LLC.
September-2017,Rev.2
FAN3988 — USB / Charger and Over-Voltage Detection Device
FAN3988
USB/Charger and Over-Voltage Detection Device
Features
Charger/USB Detection Device
Charger/USB Device Detection Flag
Over-/Under-Voltage Detection Flag
V
BUS
Supply: 2.7 V to 20 V
C
ON
of 1.5 pF
6-Lead MicroPak™ MLP Package
Applications
Mobile Phones
Handheld Devices
Description
The FAN3988 is a USB-connection-monitoring device
used to determine if a standard USB device or a battery-
charging device is connected.
The FAN3988 sets the FLAG1 pin to logic HIGH or
LOW as an indicator to the system controller that a
standard USB device or a charger is connected to the
USB port. The FAN3988 also monitors the V
BUS
for
over- or under-voltage conditions. The FLAG2 pin is set
LOW if V
BUS
is less than 3.3 V or greater than 6.0 V.
The FAN3988 is packaged in a very small 6-lead
MicroPak™ MLP package suitable for small board
space applications, such as mobile phones.
Ordering Information
Part Number
Operating
Temperature Range
Package
Packing
Method
Quantity
FAN3988IL6X
-40°C to +85°C
6-Lead MicroPak™ MLP Package
Reel
5000
FAN3988IL6X-F113
(1)
Note:
1. Legacy product number; please order FAN3988IL6X for new designs.
Flag 1
Flag 2
D-
VBUS
GND
D+
Comparator
OVP
UVP
STD USB /
Charger
Detect
Logic
Logic
Figure 1. Block Diagram
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