Product Overview
The Magntek MT6701 is a next-generation magnetic angle sensor chip based on differential Hall effect principles. It offers 0-360 absolute angle position detection with a wide operating voltage range of 3.3V to 5.0V. The chip features multiple independent output interfaces including I2C, SSI, ABZ, UVW, Analog Voltage, PWM, and Z-axis press detection. It supports high rotational speeds up to 55,000 RPM with a system delay of less than 5 s. The MT6701 is designed with excellent immunity to stray magnetic fields and is RoHS compliant. Available in SOP-8 and QFN3x3-16L packages, it is ideal for applications such as absolute angle position sensing, closed-loop stepper and BLDC motor control, robot joint control, and non-contact rotary knobs and buttons.
Product Attributes
- Brand: Magntek
- Technology: Differential Hall Effect Magnetic Angle Sensor
- Certifications: RoHS 2011/65/EU
Technical Specifications
| Feature | Specification | Details |
|---|---|---|
| Operating Voltage | 3.3V ~ 5.0V | Built-in EEPROM (requires VDD > 4.5V for writing) |
| Angle Detection | 0 ~ 360 Absolute Angle | Based on Hall Technology |
| Output Interfaces | I2C, SSI, ABZ, UVW, Analog Voltage, PWM, Z-axis Press Detection | Independent output interfaces |
| Maximum Rotational Speed | 55,000 RPM | |
| System Delay (Angle Output) | < 5 s | |
| Incremental ABZ Output Resolution | 1 ~ 1024 pulses/revolution | Customer programmable integer resolution |
| Incremental UVW Output | 1 ~ 16 pole pairs | Customer programmable integer pole pairs |
| Magnetic Field Immunity | Excellent resistance to stray magnetic fields | |
| Package Types | SOP-8, QFN3x3-16L | |
| Chip Functionality | Differential Hall effect principle, senses Z-axis magnetic field component | Outputs sine and cosine voltage signals, processed for angle calculation |
| Absolute Angle Resolution (I2C/SSI) | 14-bit | |
| Absolute Angle Resolution (PWM/Analog) | 12-bit | |
| Press Detection | PUSH pin output | Indicates rapid change in magnet-chip distance |
| EEPROM | Integrated | Supports multiple read/write cycles |
| Applications | Absolute angle position sensors, Closed-loop stepper/BLDC control, Robot joint control, Non-contact rotary knobs/buttons, Rotary + Press applications | |
| Operating Temperature | -40C to 125C | |
| Storage Temperature | -55C to 150C | |
| ESD Protection (HBM) | 6.0 kV | |
| ESD Protection (CDM) | 1.5 kV | |
| Chip Working Current | 10.0 mA (typical) | 14.0 mA (max) |
| System Power-up Time | 32 ms (max) | For power-up < 10s |
| I2C Slave Address | 0b0000110 (default) | Programmable to 0b1000110 |
| SSI Data Format | 14-bit angle, 4-bit status, 6-bit CRC | |
| SOP-8 Package MSL Rating | MSL-3 | |
| QFN-16 Package MSL Rating | MSL-1 |
2404091719_Magn-Tek-MT6701CT-STD_C5451785.pdf
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