The document describes a single-phase full-wave motor driver for fan motors. It features speed control through DC/PWM input, current limit circuit, and PWM soft switching drive.
The BD6971FV is a silicon monolithic integrated circuit designed as a single‑phase full‑wave motor driver for fan motors. It features speed control via DC/PWM input, a current‑limit circuit, and PWM soft‑switching drive.
The document provides absolute maximum ratings, operating conditions, electrical characteristics, package dimensions, pin configuration, and safety cautions such as reverse‑polarity protection and thermal design guidelines.
| Supply voltage (max) | 20 V |
|---|---|
| Power dissipation (max) | 874.7 mW |
| Operating temperature range | -40 °C to +100 °C |
| Maximum output current | 1.0 A |
| Recommended supply voltage range | 3.5 V to 17.0 V |
The device operates with a supply voltage between 3.5 V and 17.0 V.
The maximum output current is 1.0 A.