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FAN3988

USB/Charger and Over-Voltage Detection Device

Fairchild Semiconductor 

November 2015

FAN3988

USB/Charger and Over-Voltage Detection Device

Features

 Charger/USB Detection Device

 Charger/USB Device Detection Flag

 Over-/Under-Voltage Detection Flag

 VBUS Supply: 2.7 V to 20 V

 CON 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 VBUS for

over- or under-voltage conditions. The FLAG2 pin is set

LOW if VBUS 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

FAN3988IL6X

FAN3988IL6X_F113(1)

-40°C to +85°C

6-Lead MicroPak™ MLP Package

Note:

1. Legacy product number; please order FAN3988IL6X for new designs.

VBUS

D-

D+

GND

© 2007 Fairchild Semiconductor Corporation

FAN3988 • Rev. 1.15

Comparator

OVP

UVP

STD USB /

Charger

Detect

Logic

Logic

Figure 1. Block Diagram

Packing

Method

Quantity

Reel

5000

Flag 2

Flag 1

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