1 Features
1• Qualified for Automotive Applications
• AEC-Q100 Qualified With the Following Results:
– Device Temperature Grade 1: –40°C to 125°C
Ambient Operating Temperature Range
– Device HBM ESD Classification Level 2
– Device CDM ESD Classification Level C4B
• USB 2.0 High Speed Switch
• Detects USB Battery Charging Specification
Version 1.2 (BCv1.2) Compliant Chargers
• Compatible Accessories
– Dedicated Charging Port
– Standard Downstream Port
– Charging Downstream Port
• Non-Standard Chargers
– Apple™ Charger
– TomTom™ Charger
– USB Chargers Not Compliant With Battery
Charging Specification Version 1.2 (BCv1.2)
• –2-V to 28-V VBUS Voltage Range
• ESD Performance Tested per JESD 22
– 4000-V Human-Body Model
– 1500-V Charged-Device Model (C101)
• ESD Performance DP_CON/DM_CON to GND
– ±8-kV Contact Discharge (IEC 61000-4-2)

2 Applications
• Rear Seat Entertainment
• GPS Systems

3 Description
The BQ24392-Q1 is a dual single-pole single-throw
(SPST) USB 2.0 high-speed isolation switch with
charger detection capabilities for use with micro and
mini-USB ports. This USB switch allows mobile
phones, tablets, and other battery operated
electronics to be charged from different adapters with
minimal system software. The device’s charger
detection circuitry can support USB Battery Charging
Specification version 1.2 (BCv1.2) compliant,
Apple™, TomTom™, and other non-standard
chargers.
The BQ24392-Q1 device is powered through VBUS
when a charger is attached to the micro or mini-USB
port and has a 28 V tolerance to avoid the need for
external protection.