SLG55596A
USB Host Charger Identification
Analog Switches
General Description
Pin Configuration - SLG55596A
The SLG55596A is a USB device that combines high speed
USB switches with a USB host charger (dedicated charger)
identification circuit. The device supports 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 pull-up.
CEN
DM
1
8
CB
7
6
5
2
3
4
TDM
TDP
VDD
DP
SMART-CDP
Thermal Pad
connected to GND
TDFN-8
(Top View)
The SLG55596A can also support CDP mode (FAST charging
and data communication available mode if smartphone can
support CDP mode).
The SLG55596A can also support low speed / full speed
mouse/keyboard wake-up from S3 mode.
* Apple iPhone, iPad and iPod are trademarks of Apple Inc., registered in the
U.S. and other countries.
** Samsung Galaxy Tab are trademarks of Samsung Electronics, registered in
Korea and other countries.
Features
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High Speed USB Switching
Low 4.0pF (typ) On Capacitance
Low 4.0Ω (typ) On Resistance
Low 0.5Ω (typ) On Resistance Flatness
4.5V to 5.5V Supply Range
Low Supply Current
Automatic Current-Limit Switch Control
Automatic USB Charger Identification Circuit
CDP Support (active USB 2.0 data communication with
1.5A charging)
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Apple iPad* @ 2.4A charging current support
Automatic CDP/SDP mode support with SMART-CDP=1
for "Always Data Communication"
Chinese Telecom Standard YD/T 1591-2009 specification
support
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Samsung Galaxy Tab** charge scheme support
Pb-Free / RoHS Compliant / Halogen-Free
TDFN-8 Package
Block Diagram
VDD
Resistor
Divider
DM
DP
TDM
Resistor
Divider
+
-
-
-
TDP
VREF1
VREF1
VREF2
+
+
SMART-CDP
FSM Logic
CEN
CB
One Shot
FET
Silego Technology, Inc.
000-0055596-10
Rev1.0
Revised April 22, 2014