The AN8221FB is an HDD Sensor-less Motor Driver IC designed to operate without external sensors like Hall elements. It utilizes a soft switch system with a three-phase full-wave drive configuration. Key features include built-in internal and external synchronous start circuits, current control, thermal protection, and a short brake function.
| Start current (output current) | 1 A max. |
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No, it is a sensor-less motor drive IC that requires no sensors like a Hall element.
It employs the soft switch system of three-phase full wave drive.