A96T3F6UFN

The A96T3F6UFN is ABOV's first capacitive-type force sensor microcontroller, built to prevent false touches in combined force-and-touch scenarios. It pairs an M8051 core with dedicated touch and force sensing peripherals and includes a waterproof feature for reliable operation in moisture-prone environments.

Designed for compact consumer products, the device targets applications such as TWS headsets where accurate force and touch detection, small package size, and integrated peripherals are required.

Key Features

• Core & Performance — M8051 core running with an internal 16 MHz high-speed oscillator (HSI) for deterministic embedded control; core clock 16,000,000 Hz.
• Memory — 20 Kbytes of on-chip FLASH program memory and 2 Kbytes of RAM to support embedded firmware and touch/force algorithms.
• Touch & Force Sensing — Capacitive force and touch sensing designed to prevent false touches in combined scenarios; Touch Key support for 9 channels.
• Analog & Data Conversion — 12-bit ADC (1 channel) with up to 250 ksps for analog signal sampling.
• Timers & PWMs — Integrated 16-bit timer, 16-bit PWM and 8-bit PWM for timing, control and drive functions; includes a Watch Dog Timer for system reliability.
• Connectivity — I2C and USI interfaces for external communication and sensor integration.
• System & Development — ISP supported for in-system programming and firmware updates.
• IO & Packaging — 12 general-purpose I/O pins in a compact 14-DFN surface-mount package (1.4 × 2.5 × 0.5 mm, T-0.35).
• Operating Conditions — Supported supply voltage range 1.7–2.0 V and ambient temperature range −40 to 85 °C for broad environmental use.

Typical Applications

• True Wireless Stereo (TWS) Headsets — Reliable combined force-and-touch detection for controls and in-ear sensing in compact audio devices.
• Waterproof Touch Controls — Capacitive sensing with waterproof capability for user interfaces exposed to moisture.
• Compact Wearables — Small package and integrated sensing/peripheral set for space-constrained wearable controls and interfaces.

Unique Advantages

• Integrated Force and Touch Detection: Built specifically to address false touches in combined force-and-touch scenarios, reducing system complexity for hybrid interfaces.
• Compact, Surface-Mount Footprint: 14-DFN package (1.4 × 2.5 × 0.5 mm) minimizes PCB area for small consumer devices.
• Complete Peripheral Set: On-chip ADC, timers, PWMs, Watch Dog Timer and ISP reduce external component count and simplify firmware integration.
• Broad Operating Range: Operates from 1.7–2.0 V and −40 to 85 °C, supporting many consumer environments and power architectures.
• Multiple Touch Channels: Nine touch key channels provide flexible sensor layouts for multi-point interfaces.
• Standard Communication Interfaces: I2C and USI connectivity for straightforward integration with host controllers and peripherals.

Why Choose A96T3F6UFN?

The A96T3F6UFN combines a familiar M8051 core and compact memory footprint with specialized capacitive force-and-touch sensing designed to reduce false activations in combined sensing scenarios. Its waterproof feature and integrated peripherals make it suitable for small, moisture-exposed consumer products that require reliable user interfaces.

This device is well suited to designers of TWS headsets and other compact wearable or handheld products who need a small-package microcontroller with on-chip sensing, ADC, timers and communication interfaces. The combination of integration, environmental range, and available I/O helps simplify BOM and board layout while enabling robust interface behavior.

Request a quote or submit an inquiry to discuss application integration, availability, and technical support for the A96T3F6UFN.