A96T3A6UFN

The A96T3A6UFN is a smart capacitive touch and proximity sensor microcontroller from Abov, built around an 8051 core and optimized for low power consumption in compact systems. It targets space-constrained TWS and smartphone applications, providing single-touch, slide-touch and proximity sensing together with waterproof enhancement in a 14-DFN package.

Key Features

• Core & Performance 8051 microcontroller core running at 16 MHz for deterministic control of touch and proximity functions.
• Memory 20 Kbytes of FLASH program memory and 2 Kbytes of RAM to store application code and runtime data.
• Analog & Data Conversion On-chip 12-bit A/D converter (1 channel) for analog sensing or measurement tasks.
• Touch & Proximity Peripherals Integrated support for single-touch, slide-touch and proximity sensing plus 9 touch key channels and enhanced waterproof capability for reliable input detection in humid environments.
• Timers & I/O 16-bit timer and up to 12 general-purpose I/O pins to support timing and control tasks.
• Interfaces I²C host interface for simple communication with system controllers and sensors.
• Power Wide operating supply voltage from 1.7 V to 3.6 V suitable for battery-powered designs.
• Package & Temperature Ultra-compact 14-DFN package (1.4 × 2.5 mm) with operating temperature range from −40 °C to 85 °C for deployment in small, rugged devices.

Typical Applications

• True Wireless Stereo (TWS) Earbuds — Compact touch and proximity sensing for user controls in space-constrained earbud designs.
• Smartphones — On-device single and slide touch sensing and proximity detection for compact front-end user interfaces.
• Compact Portable Devices — Small-form-factor user interface control where low power, waterproof enhancement and minimal PCB area are required.

Unique Advantages

• Ultra-compact footprint: 14-DFN (1.4 × 2.5 mm) package reduces PCB area for small consumer electronics.
• Integrated touch and proximity: Single-touch, slide-touch, proximity sensing and 9 touch-key channels lower BOM and simplify user-interface designs.
• Low-voltage operation: 1.7–3.6 V supply range supports battery-powered systems and flexible power architectures.
• Waterproof enhancement: Built-in waterproof capability improves reliability of touch inputs in humid or wet conditions.
• Simple host interface: I²C connectivity enables straightforward integration with host MCUs and system controllers.
• Industrial temperature range: −40 °C to 85 °C operation supports deployment across a wide range of environments.

Why Choose A96T3A6UFN?

The A96T3A6UFN combines an 8051 core, compact memory footprint (20 KB FLASH, 2 KB RAM), and dedicated capacitive touch and proximity peripherals in a minimal package, making it well suited for designers of TWS earbuds, smartphones and other space-limited consumer products. Its low-voltage operation, waterproof enhancement and multi-channel touch support deliver a focused system-level solution for reliable, compact user-interface implementations.

Choose the A96T3A6UFN when your design requires a small, integrated touch and proximity controller that balances functionality, operating range and package size for compact, battery-powered devices.

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