IDT's ZMID5201, ZMID5202, and ZMID5203 family of inductive position sensor ICs are used for absolute rotary or linear motion sensing in automotive, industrial, medical, and consumer applications. The ZMID520x uses the physical principles of induction in a wire loop and eddy currents to detect the position of an electrically conducting target that is sliding or rotating above a set of coils consisting of one transmitter coil and two receiver coils.
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- Position sensing based on inductive principle
- Cost-effective; no magnet required
- Immune to magnetic stray fields; no shielding required
- Suitable for harsh environments and extreme temperatures
- Only three wires (ground, supply, and output)
- Nonvolatile user memory; programming through output pin
- Single IC supports on-axis and off-axis rotation, linear motion, and arc motion sensing
- High resolution, even for small angle ranges
- Suitable for implementation in safety-related systems compliant to ISO26262 up to ASIL-B
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- High accuracy: ≤ 0.2% full scale
- Overvoltage and reverse-polarity protection: -14 V to +18 V max., depending on product
- ESD and short-circuit protection
- Power or ground loss detection
- Facilitates redundant design requirements
- Programmable non-linearity correction
- Adaptive gain control supporting a wide range of coil designs and target displacement
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