PRODUCT DATASHEET
AAT4292
SmartSwitch
TM
General Description
The AAT4292 SmartSwitch
TM
is a member of AnalogicTech鈥檚
Application Specific Power MOSFET
TM
(ASPM
TM
) product
family.
The AAT4292 has seven P-channel MOSFETs
configured for use as a high side microprocessor GPIO
expander powered from a common supply source.
Operating over a 1.8V to 5.5V range,
the AAT4292 is
ideal for portable Li-Ion/Polymer powered products. The
state of each output channel is controlled with a single
GPIO line via the EN/SET pin using AnalogicTech鈥檚 Simple
Serial Control鈩?(AS
2
Cwire鈩? interface.
The switch states are controlled by AnalogicTech鈥檚 Simple
Serial Control (AS
2
Cwire) interface which permits ease of
control and efficiency of size. The quiescent supply
current is very low, typically 6.3渭A. In shutdown mode,
the supply current is reduced to less than 1渭A.
The AAT4292 is offered in a Pb-free, 10-pin SC70JW
package specified over the -40擄C to +85擄C temperature
range.
Seven Channel High-Side I/O Expander
Features
V
IN
Range: 1.8V 鈥?5.5V
7 Independent Output Channels
1.1惟 R
DS(ON)
per Channel
User Programmable AS
2
Cwire Interface
Low Quiescent Current
鈻?/div>
6.3渭A Operational
鈻?/div>
0.1渭A in shutdown
鈥?-40擄C to +85擄C Temperature Range
鈥?Available in SC70JW-10 Package
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Applications
鈥?Cell Phone Keypad, Backlight And Fashion Lighting
Control
鈥?I/O Expander
鈥?Media Players
鈥?Multiple Channel Low Power Switching
鈥?Portable Electronic Devices
Typical Application
Input Voltage Supply
C
IN
1渭F
VIN
OUT1
OUT2
OUT3
Output 1
Output 2
Output 3
Output 4
Output 5
Output 6
Output 7
AAT4292
Control Logic
EN/SET
OUT4
OUT5
OUT6
OUT7
GND
4292.2008.08.1.0
www.analogictech.com
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