AH266 High Voltage Hall Effect Latch
The AH266 is an integrated high‑voltage Hall‑effect latch designed for electronic commutation of brush‑less DC motor applications. It includes an on‑chip Hall plate, comparator, Schmitt trigger, and complementary darlington open‑collector drivers, all powered by an internal bandgap regulator.
Key specifications include a 4 V to 28 V operating range, 400 mA continuous output current, 62 V typical Zener breakdown, and operation from –20 °C to 85 °C. The device is offered in a SIP‑4L package and is suited for dual‑coil brush‑less DC motors, fans, revolution counting, and speed measurement.
| Operating voltage | 4 V ~ 28 V |
|---|---|
| Continuous output current | 400 mA (25 °C) |
| Zener breakdown voltage (typ) | 62 V |
| Maximum supply voltage | 28 V |
| Power dissipation | 550 mW |
| Operating temperature range | -20 °C ~ +85 °C |
| Package type | SIP‑4L |
The AH266 operates from 4 V to 28 V.
It can continuously source 400 mA at 25 °C.
The device is available in a SIP‑4L package.
Typical applications include dual‑coil brush‑less DC motors, fans, revolution counting, and speed measurement.