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Seven Channel High-Side I/O Expander

The AAT4292 SmartSwitch™ is a member of AnalogicTech’s Application Specific Power MOSFET™ (ASPM™) 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.

The switch states are controlled by AnalogicTech’s Simple Serial Control (AS²Cwire) interface which permits ease of control and efficiency of size. The quiescent supply current is very low, typically 6.3μA. In shutdown mode, the supply current is reduced to less than 1μA.

The AAT4292 is offered in a Pb-free, 10-pin SC70JW package specified over the -40°C to +85°C temperature range.

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
Data Sheets AAT4292 Data Sheet 202223A.pdf (2204 KB)
Designer Info AAT4292 EVAL: Seven Channel High-Side I/O Expander 202291A.pdf (1002 KB)
Designer Info AAT4292 Block Diagram AATI_BD_292.jpg (66 KB)
Designer Info AAT4292 Gerber File AATI_Gerber_292.zip (40 KB)
ProductName : AAT4292
Number of Channels : 7
Enable : AS2Cwire™
Turn On Rise Time (TR) : 0.27µs
Typ. RDS(ON) (mΩ) : 1100
VIN (V) : 1.8-5.5
Typ. IQ (μA) : 6.3
Package (mm) : SC70JW 10L, 2.0 x 2.2 x 0.55
Product Information:
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