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Maxim Integrated Products - USB Host Charger Identification Analog Switches

Numéro de référence MAX14566BE
Description USB Host Charger Identification Analog Switches
Fabricant Maxim Integrated Products 
Logo Maxim Integrated Products 





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MAX14566BE fiche technique
www.DataSheet.co.kr
19-5293; Rev 1; 3/11
EVAALVUAAILTAIOBNLEKIT
USB Host Charger Identification
Analog Switches
General Description
The MAX14566E/MAX14566AE/MAX14566BE are sec-
ond-generation USB devices that combine Hi-Speed
USB analog switches with a USB host charger (dedicated
charger) identification circuit. These devices support both
the latest USB Battery Charging Specification Revision 1.2
including data contact detection and a set resistor bias
for Apple-compliant devices as well as legacy USB D+/D-
short detection using data line pullup. The MAX14566E
has a pMOSFET open-drain control output (CEN) and the
MAX14566AE has an nMOSFET open-drain control output
(CEN) to restart the peripheral connected to the USB host.
These devices feature high-performance Hi-Speed USB
switches with low 4pF (typ) on-capacitance and low 4.0I
(typ) on-resistance. In addition, the devices feature a
single digital input (CB) to switch between pass-through
mode and autodetection charger mode. The USB host
charger identification circuit allows a host USB port to
support USB chargers with shorted DP/DM detection
and to provide support for Apple-compliant devices
using a resistor bias on USB data lines. When an Apple-
compliant device is attached to the port in autodetection
charger mode, the devices supply the voltage to the DP
and DM lines from the internal resistor-divider. If a USB
Revision 1.2-compliant device is attached, the devices
short DP and DM to allow correct charger detection. The
MAX14566BE features an additional digital input (CB1)
to allow forced charger mode.
These devices have enhanced, high electrostatic dis-
charge (ESD) protection on the DP and DM inputs up
to Q15kV Human Body Model (HBM). All the devices
are available in an 8-pin (2mm x 2mm) TDFN package,
and are specified over the -40NC to +85NC extended
temperature range.
Features
S Hi-Speed USB Switching
S Low 4.0pF (typ) On-Capacitance
S Low 4.0I (typ) On-Resistance
S Ultra-Low 0.1I (typ) On-Resistance Flatness
S +2.8V to +5.5V Supply Range
S Ultra-Low 3µA (typ) Supply Current
S Automatic Current-Limit Switch Control
S Automatic USB Charger Identification Circuit
S ±15kV High ESD HBM Protection On DP/DM
S 2mm x 2mm, 8-Pin TDFN Package
S -40NC to +85NC Operating Temperature Range
Applications
Laptops
Netbooks
Universal Charger including iPodM/iPhoneM Chargers
Ordering Information/
Selector Guide
PART
PIN-
PACKAGE
CLS
TOP
CONTROL MARK
MAX14566EETA+
MAX14566AEETA+
MAX14566BEETA+
8 TDFN-EP*
8 TDFN-EP*
8 TDFN-EP*
CEN
CEN
ADJ
ADK
BMR
Note: All devices are specified over the -40°C to +85°C oper-
ating temperature range.
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
Typical Operating Circuit
EXTERNAL
POWER SUPPLY
5V SWITCHING
POWER SUPPLY
OVERCURRENT PROTECTOR
CEN
Li+
BATTERY
LAPTOP CHIPSET
USB
TRANSCEIVER
STANDBY
CEN
TDM DM
TDP MAX14566E DP
CB
VBUS
D- USB
D+ A CONNECTOR
GND
USB A
USB A
APPLE DOCK APPLE iPod
CONNECTOR DOCK OR iPhone
MICRO B
PHONE OR MP3
PLAYER
MICRO-USB
CONNECTOR
iPhone and iPod are registered trademarks of Apple, Inc.
________________________________________________________________ Maxim Integrated Products   1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Datasheet pdf - http://www.DataSheet4U.net/

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