Description

Electronic Component Model: CY8CTMA300EES-49FNXI is an IC chip used in automotive electronics. It is an AEC Q100 qualified multi-touch capacitive touchscreen and touchpad controller. The chip features a 32-bit ARM Cortex CPU and is register configurable. It also has noise suppression technologies for display and EMI, water rejection and wet finger tracking, and large object rejection. The chip has a low-power look-for-touch mode and supports field upgrades via a bootloader. It is compatible with Android™ and comes with Cypress manufacturing test kit (MTK) for touchscreen sensor self-test and ID reporting. The chip supports screen sizes up to 10.1-inch diagonal, reports up to 10 fingers, and has a fast first-touch response. It has a wide voltage range for power supply and supports a variety of touchscreen sensors and stackups. The chip is available in a 100-pin TQFP package and can operate in automotive temperature ranges.

Specifications and features

• Automotive Electronics Council (AEC) Q100 qualified
• Multi-touch capacitive touchscreen and touchpad controller
• 32-bit ARM Cortex CPU
• Register configurable
• Noise suppression technologies for display and EMI
• On-chip 10-V TX supply for higher signal-to-noise ratio (SNR)
• External display synchronization
• Water rejection and wet finger tracking
• Large object rejection
• Automatic baseline tracking to environmental changes
• Low-power look-for-touch mode
• Field upgrades via bootloader
• Android™ driver support
• Cypress manufacturing test kit (MTK)
• Touchscreen sensor self-test and ID reporting
• System performance
• Screen sizes up to 10.1-inch diagonal
• 5.5-mm sensor pitch, 4:3 aspect ratio
• Up to 65 sense pins
• 1036 intersections, 4:3 aspect ratio (37 × 28)
• Reports up to 10 fingers
• Small finger support down to 5 mm
• Large finger support up to 22 mm
• Refresh rate up to 80 Hz; other rates configurable
• Fast first-touch response (≤ 37.5 ms for a 10.1-inch panel)
• Power (configuration dependent)
• 1.71-V to 5.5-V digital and I/O supply
• 2.60-V to 5.5-V analog supply
• 71-mW average power while sensing
• 45-μW typical deep-sleep power
• Sensor and system design (configuration dependent)
• Supports a variety of touchscreen sensors and stackups
• Manhattan and diamond patterns
• Sensor-on-lens (SOL)
• Plastic (PET) and glass sensor substrates
• LCD and AMOLED displays
• Single on cell flexible printed circuit (FPC) routing enabled by flexible TX/RX configurations
• I2C and SPI interface options
• I2C slave at all standard bit rates
• 100 kbps, 400 kbps, 1 Mbps, and 3.4 Mbps
• SPI slave bit rates up to 8 Mbps
• Package options
• 100-pin TQFP, 14 × 14 × 1.4 mm, 0.5-mm pin-pitch
• Temperature ranges
• Automotive-A: –40 °C to 85 °C
• Automotive-S: –40 °C to 105 °C

Application Scenarios

This IC chip is commonly used in automotive electronics applications that require a multi-touch capacitive touchscreen controller. It can be used in car navigation systems, infotainment systems, and other automotive display applications. The chip's noise suppression technologies and water rejection capabilities make it suitable for use in challenging environments. It can also be used in other applications that require a high-performance touchscreen controller with the ability to detect multiple fingers and have a fast response time.

Comparison

• Automotive Electronics Council (AEC) Q100 qualified
• Multi-touch capacitive touchscreen and touchpad controller
• 32-bit ARM Cortex CPU
• Noise suppression technologies for display and EMI
• Water rejection and wet finger tracking
• Large object rejection
• Automatic baseline tracking to environmental changes
• Low-power look-for-touch mode
• Field upgrades via bootloader
• Android™ driver support

• No specific disadvantages mentioned