AK4161EN

Overview

The AK4161EN is a six-channel capacitive touch sensor integrated circuit manufactured by Asahi Kasei Microdevices. Designed for human-machine interface applications, this component detects user input through capacitive changes on touch pads. The device features an internal oscillator and supports direct connection to touch sensors without external components. It operates within standard voltage ranges and utilizes a 16-pin QFN package for compact board integration.

Feature Summary

• Six independent capacitive sensing channels for multi-point or complex button detection
• Integrated internal oscillator eliminates the need for external clock components
• Direct touch pad interface capability reduces peripheral component count
• Compact surface-mount packaging suitable for space-constrained consumer electronics

Applications

• Consumer appliance control panels requiring capacitive input
• Portable electronic devices with slim form factor constraints
• Industrial human-machine interfaces needing durable touch surfaces
• Smart home hubs utilizing gesture or touch-based navigation

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct package type and operating temperature range. Confirm RoHS compliance status and lead-free specifications directly with authorized distributors. Request the latest revision document to validate pinout compatibility and electrical characteristics before finalizing procurement orders.

Selection Notes

Select this component when a multi-channel capacitive solution is required without external oscillators. Evaluate the 16QFN footprint against available PCB real estate. Ensure the application environment supports the specified operating voltage and temperature limits. Compare channel count requirements against alternative single or dual-channel ICs to optimize cost and complexity.

Part Context

This part belongs to Asahi Kasei Microdevices' family of sensor and detector interface solutions. The company specializes in analog and mixed-signal semiconductors for sensing applications. The AK4161 series focuses on capacitive touch technology for modern interface designs. This specific model represents a dedicated controller for multi-button capacitive sensing tasks.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-compatibility with other AKM capacitive touch controllers by comparing pin assignments and functional specifications. Consult the manufacturer for updated replacement recommendations if discontinuation occurs.