onsemi NCT7491MNTXG Microcontrollers
PWM Fan Controller
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
NCT7491MNTXG
Detailed Description
PWM Fan Controller
Package
24-VFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
NCT7491MNTXG Datasheet
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Technical Specifications
onsemi NCT7491MNTXG Microcontrollers technical specifications.
General
Package / Case
24-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Supply Voltage
3V ~ 3.6V
Lifecycle Status
Active
Output Type
2-Wire Serial, I2C/SMBUS
Output Alarm
Yes
Output Fan
Yes
Function
Temp Monitoring System (Sensor)
Sensor Type
Internal and External
Related Parts Comparison (NCT7491MNTXG vs NCT7290MNTXG vs NCT72CMTR2G vs NCT175DMR2G)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 24-VFQFN Exposed Pad | 56-VFQFN Exposed Pad | 8-WFDFN | 8-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C | -55°C ~ 125°C | -40°C ~ 125°C | -55°C ~ 125°C |
| Supply Voltage | 3V ~ 3.6V | 3V ~ 3.6V, 5V | 2.8V ~ 3.6V | 3V ~ 5.5V |
| Lifecycle Status | Active | Obsolete | Active | Active |
| Output Type | 2-Wire Serial, I2C/SMBUS | -- | I2C/SMBus | I2C/SMBus |
| Sensor Type | Internal and External | -- | Digital, Local/Remote | Digital, Local |
| Action |
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