# CONNTEK Magnetic Sensor IC Reference
# All products: 3D Hall position sensors, 2.8-5.5V, QFN3x3-16L

## KTH5701 - Full-function 3D Position Sensor
Supply: 2.8-5.5V | IF: SPI, I2C | ADC: 16-bit | Pkg: QFN3x3-16L, DFN2x2.5-8L
Temp: -40~+125C (AQ1 automotive), -40~+105C (AQ2 industrial), -40~+85C (AQ3 consumer)
Apps: position detection, angle measurement, motor control
Flagship product with full grade coverage from automotive to consumer.

## KTH5702 - 2D Rotation Angle Sensor
Supply: 2.8-5.5V | IF: SPI, I2C | ADC: 16-bit | Pkg: QFN3x3-16L
Temp: -40~+125C (AQ1), -40~+85C (AQ3)
Apps: angle measurement, rotation detection, knob position
Optimized for 2D rotation angle sensing applications.

## KTH5721 - Cost-effective 3D Position Sensor
Supply: 2.8-5.5V | IF: SPI, I2C | ADC: 16-bit | Sample: 2.6kHz | Pkg: QFN3x3-16L
Temp: -40~+85C
Apps: position detection, motor control
Cost-effective option for mid-speed position and motor control applications.

## KTH5771 - General Purpose 3D Hall Sensor (Analog Output)
Supply: 2.8-5.5V | IF: Dual Analog Output, UART | Pkg: QFN3x3-16L
Temp: -40~+85C
Apps: joystick, position sensing
Dual analog output for direct MCU ADC reading, UART for configuration.

## KTH5772 - Gaming Joystick 3D Hall Sensor
Supply: 2.8-5.5V | IF: I2C (400KHz), UART (921600) | IDD: 4mA | Sleep: 2.4uA | Pkg: QFN3x3-16L
Temp: -40~+85C | Data rate: 1KHz | ADC: 16-bit
Apps: gaming controller joystick, position tracking
True circular trajectory tracking, built-in center/edge calibration, low diagonal noise.
Advantages over traditional dual linear Hall: better trajectory, lower noise, robust to tolerance.

## KTH5774 - Enhanced 3D Hall Position Sensor
Supply: 2.8-5.5V | IF: I2C, UART | Output: Digital + Analog dual | Pkg: QFN3x3-16L
Temp: -40~+85C
Apps: joystick, control stick, position sensing
Enhanced precision with polar coordinate output capability.

## KTH5791 - Mouse Encoder 3D Hall Sensor
Supply: 2.8-5.5V | IF: AB Quadrature, I2C | Resolution: 16~1024 CPR | Pkg: QFN3x3-16L
Temp: -40~+85C
Apps: mouse scroll wheel, rotary encoder, rotary input
Contactless magnetic encoder, immune to dust. Replaces traditional optical encoders.
Advantages: dust immune, ultra-low power, configurable resolution, higher reliability.

## Tools & Resources
- Online 3D Magnetic Field Simulation: joystick/linear/knob/off-axis scenarios, 3D visualization, PDF report generation → /tools/simulation/index.html
- KTH5701 EVM: evaluation board + magnet kit + PC software
- KTH577X Programmer: OTP config for KTH5771/5772/5774
- KTH579X Programmer: AB output config for KTH5791
- Reference designs: joystick, linear displacement (schematics + PCB)
- Driver libraries: STM32 HAL, Arduino
- AI Selection Assistant: /chat/

## Quick Selection Guide
- Gaming joystick → KTH5772 (digital) or KTH5771 (analog)
- Enhanced joystick with polar output → KTH5774
- Mouse scroll wheel → KTH5791
- Rotation angle measurement → KTH5702
- General 3D position (automotive) → KTH5701
- Cost-effective 3D position → KTH5721