A96T3A5DFN

The A96T3A5DFN is a capacitive touch and proximity sensor microcontroller from Abov, built around an 8051 core and optimized for low-power, compact designs. It combines single-key and slide touch sensing with proximity detection and enhanced waterproof capability for reliable user interfaces.

Designed for space-constrained consumer electronics, the device targets TWS and smartphone applications where small package size, flexible power supply range, and integrated sensing features are required.

Key Features

• Core & Performance 8051 microcontroller core running at 16 MHz, providing control and sensing processing suitable for embedded touch/proximity tasks.
• Memory 18 Kbytes of on-chip FLASH program memory and 2 Kbytes of RAM for firmware and runtime data storage.
• Power & Supply Operates from a 1.7 – 3.6 V supply, supporting a range of battery and low-voltage systems common in compact devices.
• Peripherals & Sensing Integrated capacitive sensing for single touch, slide touch and proximity functions, with enhanced waterproof capability for use in moist environments and sealed designs.
• Analog & Timing 12-bit ADC for analog measurement and a 16-bit timer for time-critical control and debouncing tasks.
• Connectivity & I/O I2C interface for host communication, 5 dedicated touch key channels and 8 general-purpose I/O pins to connect sensors and indicators.
• Package & Temperature Available in a compact 10-DFN package (1.8 × 2.1 mm) and specified for operation from −40 to 85 °C.

Typical Applications

• TWS Earbuds — Compact touch and proximity control for True Wireless Stereo earbuds where small package size and low power are essential.
• Smartphones — User interface touch and proximity sensing for smartphone accessory controls and compact on-device controls.
• Compact Consumer Devices — Low-power, space-constrained products that require single/slide touch and proximity detection combined with waterproof performance.

Unique Advantages

• Integrated Touch and Proximity Sensing: Single-key, slide-key and proximity functions in one MCU reduce component count and simplify design.
• Enhanced Waterproof Capability: Built-in waterproof sensing support improves reliability in moist or sealed enclosures.
• Small Footprint: 10-DFN (1.8 × 2.1 mm) package enables highly compact board layouts for miniaturized products.
• Flexible Power Range: 1.7–3.6 V supply supports a variety of battery-powered topologies and low-voltage systems.
• Practical On-chip Resources: 18 KB FLASH and 2 KB RAM with a 16 MHz 8051 core plus ADC and timer peripherals provide a balanced feature set for embedded touch applications.
• Standard Host Interface: I2C connectivity simplifies integration with host processors and system controllers.

Why Choose A96T3A5DFN?

The A96T3A5DFN is positioned as a compact, low-power microcontroller that brings together capacitive touch, slide and proximity sensing with enhanced waterproof performance. Its combination of an 8051 core, on-chip FLASH and RAM, 12-bit ADC, I2C interface, and a small 10-DFN package make it suitable for space- and power-constrained designs.

This device is a practical choice for designers of TWS earbuds, smartphone accessories, and other compact consumer products that require reliable touch and proximity interfaces across a wide temperature range and flexible supply voltages.

Request a quote or submit an inquiry to receive pricing and availability information for the A96T3A5DFN Capacitive Touch and Proximity Microcontroller.