S32T Touch Controller for Automotive Applications
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The S32T family provides a scalable automotive touch solution designed for next-generation cockpit displays, smart surfaces and touch-enabled human-machine interfaces (HMIs). Combining a touch processor, an analog front end (AFE) and power management components, S32T enables automotive manufacturers to transition from mechanical controls to responsive digital interfaces while supporting the safety and reliability requirements of software-defined vehicles (SDVs).
S32T delivers industry-leading signal-to-noise ratio performance, low-latency touch detection and advanced noise mitigation for challenging display environments, including OLED, MicroLED and large-format displays. Its unique Who-Touch™ technology identifies which vehicle occupant is interacting with a touch surface, helping to prevent unintended actions, reduce driver distraction and enable more personalized cockpit experiences without requiring an external signal generator.
Designed to simplify the development of safe, secure and intelligent automotive touch systems, the S32T solution is supported by evaluation boards (EVBs), reference designs, visualization and debugging tools, firmware and an automated validation framework. This comprehensive enablement ecosystem helps accelerate the development of automotive cockpit displays, dual-view infotainment systems and advanced smart-surface applications.
製品詳細
Features
Multi-Touch Performance
- Up to 20 simultaneous touch points
- First-touch latency of less than 20 ms
- Configurable report rate from 75 Hz to 300 Hz
- Signal-to-noise ratio (SNR) of up to 90 dB for precise touch detection
User Detection
- Driver and passenger touch differentiation
- Capacitive coupling-based user detection
- Closed-loop accuracy enhancement
Display Integration
- Support for OLED, LCD and microLED
- Coverage for displays up to 20 inches
- Compatibility with on-cell and out-cell sensors
- Support for ultrathin indium tin oxide (ITO)
Safety and Security
- Frequency hopping to mitigate electromagnetic interference (EMI)
- Optimized rejection of display noise
- Low-voltage, 1.5 V sine-wave drive
- High electromagnetic compatibility (EMC) robustness
Automotive Qualification
- AEC-Q100 Grade 2 qualified
- Operating temperature ranges from -40 °C to +105 °C