Fan Controllers | ADT7473
概览
ADT7473/ADT7473-1 控制器是一个热监控器和多个 PWM 风扇控制器，用于需要主动系统冷却的噪声敏感或功率敏感型应用。 ADT7473/ADT7473-1 可以使用低频率或高频率驱动信号驱动风扇，监控最多两个远程传感器二极管的温度及其自身内部温度，还可以测量和控制最多四个风扇的速度以便它们以可能的最低速度运行，实现最低噪声。
- Thermal Management
- Notebook and Desktop Computers
- Servers
- Game Consoles
- RFID Readers
- Controls and monitors up to 4 fans
- High and low frequency fan drive signal
- 1 on-chip and 2 remote temperature sensors
- Series resistance cancellation on the remote channel
- Extended temp measurement range, up to 191°C
- Dynamic TMIN control mode optimizes system acoustics intelligently
- Automatic fan speed control mode controls system cooling based on measured temperature
- Enhanced acoustic mode dramatically reduces user perception of changing fan speeds
- Thermal protection feature via THERM output
- Thermal control circuit via THERM input
- 3-wire and 4-wire fan speed measurement
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