Capacitive Touch Controller: GA611

GA611, a capacitive touch solution integrating with self-capacitance/mutual-capacitance detection, consists of up  to 23 transmitter electrodes and 11 receiver electrodes.  In addition, it supportsindependent 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.

Features

 Meet AEC-Q100 Grade2 

 Meet IATF16949 

 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 (For details, please refer to Sensor Design Guide of Goodix) 

 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