# iC-Haus iC-MHM 14-bit On-Axis Hall Encoder IC with BiSS

On-axis 14-bit Hall encoder IC with native BiSS C/SSI and an RS-422 transceiver built in, so a motor-end encoder needs no extra line driver.

- Maglev ID: ac-ichaus-ic-mhm-qfn28
- Brand: iC-Haus
- MPN: iC-MHM QFN28-5x5
- Category: actuators / Magnetic Encoders
- Origin: DE (maker HQ, factory not confirmed)
- Maker: iC-Haus (brand, DE)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 9031.80.80.85 (typical)
- MOQ: 5 · Lead time: unknown
- Confidence: VERIFIED

## Price
- 5+: ≈$11.17 (list, 2026-10-30, https://de-shop.ichaus.com/ic-mhm-qfn28-5x5.html; converted from €10.00/pc excl. VAT (Sample-Box 5 pcs, €50 per pack) at ECB 1.1172 USD/EUR on 2026-10-30, not a USD quote)
- 73+: ≈$5.47 (list, 2026-10-30, https://de-shop.ichaus.com/ic-mhm-qfn28-5x5.html; converted from €4.90/pc excl. VAT (Tube 73 pcs, €357.7 per pack) at ECB 1.1172 USD/EUR on 2026-10-30, not a USD quote)

## Specifications
- Resolution: 14-bit (0.02°) at up to 10,000 rpm; 12-bit at 80,000 rpm
- Accuracy: Absolute angular accuracy ±0.35° with calibrated signal conditioning
- Max speed: 84,000 rpm magnet rotating speed (14-bit tracking to 10,000 rpm)
- Interface: BiSS C (BP1/BP3); SSI; SPI optional; ABZ; 1 Vpp sin/cos; RS-422 transceiver; SSI multiturn input
- Form: IC, QFN28 5×5 mm
- Sensing: Hall (quad array, on-axis)
- Supply: 4.5–5.5 V
- Bore: n/a
- Operating temp: -40 to +125 °C

## Links
- Product: https://www.ichaus.de/product/ic-mhm/
- Datasheet: none
- CAD: none

## Equivalents
- ams OSRAM AS5047P 14-bit On-Axis Magnetic Angle Sensor IC (ac-ams-as5047p-atsm)

## Works with
- iC-Haus iC-MHM EVAL MHM1D Evaluation Board (ac-ichaus-ic-mhm-eval-mhm1d)

## Sources
- https://www.ichaus.de/product/ic-mhm/ (maker product page: 14-bit at 10,000 rpm)
- https://de-shop.ichaus.com/ic-mhm-qfn28-5x5.html (iC-Haus EU webshop price (excl. VAT) and stock)
- https://www.ichaus.de/wp-json/dhsv/v2/protected-download?token=c1psVlI1dURyd2hwalZwSUJXemFLVXcrNUJVK05GbmtRaWYwMVlHbm1mc2JtOTJjS3RHNWlYNHpzOFJlN2d5dFdqcVlXYlZZTzAzTnArc0ZVaE9NSUM2bW15eUQ4WUwwb1JrTml6VWo5REtJVU5DMjFPNlRDT2plRERZY09HSngvcWFJYXNYaDJDaEtVYjNBUXVYUkNaT1B6dXZ2ekJEYThwS1ZaWGdFckRvPQ== (iC-MHM specification Rev F1: 84,000 rpm, ±0.35° calibrated, BiSS/SSI/SPI, 4.5–5.5 V)