This GreenChip Inc. as the core technology of touch sensors for many years of technical experience in the field is compressed in existence is the most reliable and trusted solutions.
▶ Why GreenTouchTM Engine is required?
CONTACT US
HEAD OFFICE : sales@greenchip.co.kr (Tel : +82-31-386-1091)
CHINA BUSINESS: cuishijie@greenchip.co.kr (Tel : +86-139-1110-6304)
OVERSEA BUSINESS : sunny@greenchip.co.kr (Tel : +82-31-381-8656)
Part | Main Features | Channel | Op. Voltage |
Scan Method | Interface | Package |
GT501L | – Embedded Noise BusterTM (Free from CS, RS, EFT, Impulse etc.) – Level/Toggle output mode – CTRL option pin – Package : SOT23 (6LD) |
1 | 2.7V ~ 5.5V | Polling | 1 : 1 Direct | SOT23 |
GT504L | – Embedded Noise BusterTM (Free from CS, RS, EFT, Impulse etc.) – Interrupt Pulse/Level output – REGISTER WRITING LOCK function – Sensitivity Control (64 Steps) – LED dimming (32 Steps) |
4 | 2.7V ~ 5.5V | Polling Interrupt |
1 : 1 Direct I2C |
14SOP |
GT508L | – Embedded Noise BusterTM (Free from CS, RS, EFT, Impulse etc.) – Interrupt Pulse/Level output – REGISTER WRITING LOCK function – Sensitivity Control (64 Steps) – LED dimming (32 Steps) |
8 | 2.7V ~ 5.5V | Polling Interrupt |
1 : 1 Direct I2C |
24QFN 24SSOP |
GT512L | – Embedded Noise BusterTM (Free from CS, RS, EFT, Impulse etc.) – Interrupt Pulse/Level output – REGISTER WRITING LOCK function – Sensitivity Control (64 Steps) |
12 | 2.7V ~ 5.5V | Polling Interrupt |
I2C | 20QFN 20SSOP |
Recommended applications : Ensures to pass CS, RS, EFT, Impulse test and etc.
- Refrigerator, Air cleaner, Air conditioner, Washing machine, Micro wave oven, Induction range, Cooker, Bidet, Water purifier, Humidifier, Monitor, Blue ray player, Home theater system, Wall switch and etc.
Product | Main Features | Channel | Op. Voltage |
Scan Method | Interface | Package |
GTX301L | – GreenTouch3LPTM Low power engine – Level / Toggle output mode – Push pull and active low/high function – Idle time option |
1 | 1.8V~5.5V | Polling | 1:1 Direct | 6DFN SOT23 |
GTX305L | – GreenTouch3LPTM Low power engine – Interrupt Pulse/Level output – CTRL option pin – Calibration Step (16 Steps) – Sensitivity Control (64 Steps) – REGISTER WRITING LOCK function – Slide mode |
5 | 1.8V~5.5V | Polling Interrupt |
I2C | 16QFN |
GTX312L | – GreenTouch3LPTM Low power engine – Interrupt Pulse/Level output – CTRL option pin – Calibration Step (16 Steps) – Sensitivity Control (64 Steps) – REGISTER WRITING LOCK function – Slide mode |
12 | 1.8V~5.5V | Polling Interrupt |
I2C | 32QFN |
GTX314L | – GreenTouch3LPTM Low power engine – Interrupt Pulse/Level output – CTRL option pin – Calibration Step (16 Steps) – Sensitivity Control (64 Steps) – REGISTER WRITING LOCK function – Slide mode |
14 | 1.8V~5.5V | Polling Interrupt |
I2C | 24QFN |
Recommended applications : Ensures ultra low power consumption.
- Door lock, Remote controller, Toys, Mobile phone, MP3, Navigation, Digital Camera, Video Camera, Bluetooth speaker & ear phone, and etc.
Product | Main Features | Channel | Op. Voltage |
Scan Method | Interface | Package |
GT301L | – Level/Toggle output mode – Low Power mode – CTRL option pin |
1 | 1.8V~5.5V | Polling | 1:1 Direct | 6DFN SOT23 |
GT304L | – Interrupt Pulse/Level output – CTRL option pin – Calibration Step (16 Steps) – Sensitivity Control (64 Steps) – LED dimming (32 Steps) |
4 | 2.5V~5.5V | Polling Interrupt |
1:1 Direct I2C |
16QFN 14SOP |
GT308L | – Interrupt Pulse/Level output – CTRL option pin – Calibration Step (16 Steps) – Sensitivity Control (64 Steps) – LED dimming (16 Steps) |
8 | 2.5V~5.5V | Polling Interrupt |
1:1 Direct I2C |
24QFN 24SSOP |
GT316L | – 16 I/O + 4 Output – Interrupt Pulse/Level output – CTRL option pin – High current LED Driver – Low Power mode – Calibration Step (16 Steps) – Sensitivity Control (64 Steps) – LED dimming (32 Steps) |
16 | 1.8V~5.5V | Polling Interrupt |
I2C | 28QFN 30TSSOP |
GT216L | – Embedded GreenTouch2TM Engine – Chip ID selectable with CTRL Pin – Support High current LED Driver |
16 | 2.5V~5.0V | Polling Interrupt |
I2C | 28QFN 30TSSOP |
Conventional touch application : Multi SBF capacitive touch sensor
- Refrigerator, Air cleaner, Air conditioner, Washing machine, Induction range, Cooker, Bidet, Water purifier, Humidifier, Monitor, Wall switch, Door lock, Remote controller, Bluetooth speaker & ear phone and etc.
Level Sensor
Part | Main Features | Op. Voltage |
Scan Method | Interface |
GT3LS01L | – Support PWM test mode to set CSIN, CRIN and RRIN values – Available Initial sensing mode – Available to control the optimal auto calibration and sensitivity with CTRL pin for level, Seat sensor application – Package : SOT23 (6LD) |
1.8V~5.5V | Polling | 1:1 Direct |
GT5LS01L | – Embedded Noise Busters (CS Free) – Available Initial sensing mode – Available to control the optimal auto calibration and sensitivity with CTRL pin for level, Seat sensor application – Package : SOT23 (6LD) |
2.7V~5.5V | Polling | 1:1 Direct |
The water level sensor product to recognize the value of the capacitance is changed by the water that was used to adjust the amount of water.
Thewater level sensor is divided into direct and indirect ways depend on the water contact with the sensor area or not.
Application
Water purifiers, Humidifiers, Boilers, Hot mats and etc.
(The products to detect the amount of water or oil)

Seat Sensor
Part | Main Features | Op. Voltage |
Scan Method |
Interface | Image |
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Typ. 5.0V | Polling | Digital Output (Active Low) |
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The seat sensor is attached to a specific position on the toilet seat helps the user to realize various functions by sensing the contact with the human body, thanks to the capacitive touch sensor technology, when the user is seated on a toilet seat.
Recently, there has been a tendency to apply such a solution in many cases due to stability of operation in a bidet application.

The GreenChip Inc has touch sensor application know-hows for the various types of applications and develops and provides customized touch sensor modules to meet each customer’s needs.
This module-service we called will shorten development time and provide convenience of development environment. This will result in enhancing customer’s market position after all.
