# CONNTEK (昆泰芯微电子)

> China-based fabless semiconductor company specializing in
> magnetic sensor ICs — 3D Hall position sensors for joystick,
> angle measurement, motor control, and encoder applications.
> Website: https://conntek-design-center-bu1.pages.dev

## Products

### 3D Hall Position Sensors
- [KTH5701](/products/3d-hall/KTH5701/): Full-function 3D Position Sensor — SPI/I2C, automotive to consumer grade
- [KTH5702](/products/3d-hall/KTH5702/): 2D Rotation Angle Sensor — SPI/I2C, rotation angle detection
- [KTH5721](/products/3d-hall/KTH5721/): Cost-effective 3D Position Sensor — SPI/I2C, 2.6kHz sample rate
- [KTH5771](/products/3d-hall/KTH5771/): General Purpose 3D Hall Sensor — Dual analog output, UART config
- [KTH5772](/products/3d-hall/KTH5772/): Gaming Joystick 3D Hall Sensor — I2C/UART, 1KHz, built-in calibration
- [KTH5774](/products/3d-hall/KTH5774/): Enhanced 3D Hall Sensor — Digital+analog dual output, polar coordinate
- [KTH5791](/products/3d-hall/KTH5791/): Mouse Encoder 3D Hall Sensor — AB quadrature output, configurable CPR

### Linear Hall Sensors (Preview)
- [KTH3601](/products/linear-hall/KTH3601/): Digital Linear Hall Sensor — I2C/SPI, position and current sensing

## Resources
- [Application Notes](/resources/designs/): Reference designs for joystick, linear displacement, angle measurement
- [Drivers & Software](/resources/drivers/): STM32 drivers, Arduino libraries, config tools
- [Evaluation Kits](/resources/tools/): EVM boards and programmers
- [Datasheets](/downloads/): Product datasheets (PDF)

## AI & API Access
- [AI Selection Assistant](/chat/): Interactive product recommendation chatbot
- [Product Search API](https://conntek-aibridge.liyandong0514.workers.dev/api/v1/products/search): Query by electrical specs
- [Cross-Reference API](https://conntek-aibridge.liyandong0514.workers.dev/api/v1/cross-reference): Find CONNTEK alternatives
- [Full Context for LLMs](/llms-ctx.txt): Compact product specs for AI context injection

## About
CONNTEK (昆泰芯微电子) is a fabless semiconductor company focused on 3D Hall magnetic sensor ICs.
All products operate at 2.8-5.5V, use QFN3x3-16L packaging, and target -40°C to +85°C (consumer)
or -40°C to +125°C (automotive) temperature ranges.