1.Overview of GA611
GA611, a capacitive touch solution integrating with self-capacitance/mutual-capacitance detection, consists of up to 23 transmitter electrodes and 11 receiver electrodes.
The GA611 is designed to provide high-performance touch solutions for a wide range of devices, including smartphones, tablets, laptops, and automotive displays.
The GA611 touch controller chip features a high-speed 32-bit ARM Cortex-M3 microcontroller and advanced signal processing algorithms, enabling it to support multiple touch points and gestures, such as swiping, pinching, and zooming. It also has low power consumption, which makes it suitable for use in battery-powered devices.
In addition, the GA611 supports various touch panel structures, including GG, GF, and GFF. It supports independent touch keys(up to 34 self-capacitive keys or 50 mutual- capacitance keys), sliding operation and keys of different sizes, which is applicable on the covers with multi-pattern, multi-stack, and different thickness, and greatly enriches the user experience in various scenarios.
2. Features
- Compliant with “AEC-Q 100 Grade 2”
- Compliant with IATF 16949
- Capacitive sensing circuit and high-performance MPU embedded
- Supports self-capacitance/mutual-capacitance detection
- Supports operation with wet finger
- Single power supply, internal 1.8V LDO
- Flash embedded; In-system reprogrammable
- Capacitive touch sensor
- Report rate: ≤200Hz
- Channels: 23 (Tx channels) * 11 (Rx channels)
- Supports up to 34 self-capacitive keys detection
- Supports up to 50 mutual- capacitance detection
- Supports glove input
- Supports sliding operation
- Supports ITO glass and ITO Film
- Cover Lens thickness: 0.4mm≤Glass≤5mm, 0.5mm≤PMMA≤5mm
- Adaptive frequency hopping, OGS full lamination
- Environmental adaptability
- Self-calibration during initialization
- Automatic drift compensation
- Operating temperature: -40℃ to +105℃; humidity: ≦95%RH
- Communication interface
- Standard I2C interface
- Works in slave mode
- Supports 1.8V to 3.3V host interface voltage
- Excellent EMC performance
- Excellent ESD capability: HBM 4KV, CDM 500V
- Power supply voltage:
- Single supply (Typ.): 2.8V/3.0V/3.3V
- Package: 48 pins, 7mm*7mm*1.4mm, QFP, 0.5mm Pitch
- Tools that support application development:
- Touch key parameter detector and generator
- Touch key performance tester
- Mass-production test kit
- Reference driver code and guidance files for host software development
3. Parameters
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