General Description
The AAT4292 SmartSwitchTMis a member of AnalogicTech’s Application Specific Power MOSFETTM (ASPMTM) 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’s Simple Serial Control™ (AS2Cwire™) interface.
FEATUREs
• VIN Range: 1.8V – 5.5V
• 7 Independent Output Channels
• 1.1Ω RDS(ON) per Channel
• User Programmable AS2Cwire Interface
• Low Quiescent Current
▪ 6.3μA Operational
▪ 0.1μA in shutdown
• -40°C to +85°C Temperature Range
• Available in SC70JW-10 Package
APPLICATIONs
• Cell Phone Keypad, Backlight And Fashion Lighting Control
• I/O Expander
• Media Players
• Multiple Channel Low Power Switching
• Portable Electronic Devices