MAX14667 Datasheet, PDF (1/9 Pages) Maxim Integrated Products – Dual USB Charger Adapter Emulator

MAX14667
Dual USB Charger Adapter Emulator
General Description
The MAX14667 is a dual USB charger adapter emulator
with automatic host charger identification circuitry for USB
dedicated chargers.
The device allows USB wall adapters, travel chargers,
and other dedicated chargers to identify themselves as a
USB dedicated charger to USB devices, an Apple charger
to Apple products, and a Samsung Galaxy Tablet dedi-
cated charger port to Samsung Galaxy Tablet devices.
The device features a control input that allows for charger
mode selection. The MAX14667 supports USB Battery
Charger (BC) revision 1.2 specification compliant devices,
including all major brand USB devices from Samsung,
Nokia, Blackberry, LG, Apple devices, and Samsung
Galaxy devices in autodetection 1A or autodetection 2A
modes.
The MAX14667 is available in an 8-pin (2.9mm x 1.6mm)
SOT23 package, and is specified over the -40°C to +85°C
extended temperature range.
Applications
● USB Wall Charger and Travel Adapter
● USB Car Charger and Cigarette Lighter Adapter
● Universal Charger Including iPod®/iPad®/iPhone®
Typical Operating Circuit
Benefits and Features
● Optimized for Charging Adapters
• Flexible Device and Adapter Connection Order
● Faster Charging
• Apple 2A Charging Capability
• Samsung Galaxy Tablet 2A Charging Capability
● Improved Charger Interoperability
• Meets New USB BC Revision 1.2 Specification
• Supports Samsung Galaxy Smartphones
• Backwards Compatible with Previous USB BC
Revisions
• Meets China YD/T1591-2009 Charging
Specification
● Greater User Flexibility
• CB_ Pins Control Charger Mode
● Saves Space on Board
• 2.9mm x 1.6mm, 8-Pin SOT23 Package
• High-ESD Human Body Model (HBM) Protection
on DP and DM
iPod^®/iPad^®/iPhone^® are registered trademarks of Apple, Inc.
Ordering Information appears at end of data sheet.
DC-DC
VCC
VCC
0.1µF
VCC
CB1
DP1
DM1
MAX14667
DP2
DM2
GND
CB2
150µF
150µF
GND
D+ USB A
D- ^CONNECTOR
VBUS
GND
D+ USB A
D- ^CONNECTOR
VBUS
For related parts and recommended products to use with this part, refer to www.maximintegrated.com/MAX14667.related.
19-6729; Rev 0; 6/13