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| PN | VCC(V) | Interface | Fan control | Control Mode | Outputs Fan Drive | Tach Input Num. | GPIO Num. | Package |
| CTF2816 | 3.0 to 3.6 | I2C/SMBus |
PWM Freq：1kHz~50kHz
Duty Cycle：0~100%,
8 bits Duty Cycle
Resolution：0.39%
Intelligent Fan Failures
Detect SMBus & I2C
|
Takeover
Mode or
Fixed-Freq
|
6 PWM | 12 | - | QFN4x4-32 |
| CTF2836 | 3.0 to 3.6 | I2C/SMBus |
PWM Freq：1kHz~50kHz
Duty Cycle：0~100%,
8 bits Duty Cycle
Resolution：0.39%
Intelligent Fan Failures
Detect SMBus & I2C
|
Takeover
Mode or
Fixed-Freq
|
6 PWM | 12 | 21 | QFN5x5-36 |
| CTF2838 | 3.0 to 3.6 | I2C/SMBus |
PWM Freq：1kHz~50kHz
Duty Cycle：0~100%,
8 bits Duty Cycle
Resolution：0.39%
Intelligent Fan Failures
Detect SMBus & I2C
|
Takeover
Mode or
Fixed-Freq
|
8 PWM | 16 | 21 | QFN6x6-64 |
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