AH2985 Overview
The AH2985 is a single-chip solution for driving two-coil brushless direct current (BLDC) fans and motors. The device includes a Halleffect sensor, dynamic offset correction and two plementary open-drain output drivers with internal Zener diode protection. It is optimized for low start-up voltage.
AH2985 Key Features
- Single-Chip Solution
- Operating Voltage: 2.5V to 15V
- Built-in Hall Sensor and Input Amplifier
- Rotor Lock Protection (Lock Detection, Output Shutdown and
- Built-in Reverse Voltage Protection Diode
- Built-in Zener Protection for Output Drivers
- Average Output Current up to 500mA
- Package: TO94
- Totally Lead-Free & Fully RoHS pliant (Notes 1 & 2)