Datasheet Microchip TC649B
| Manufacturer | Microchip | 
| Series | TC649B | 
The TC649B is a new version of the existing TC649 fan speed controller
Datasheets
TC646B/TC648B/TC649B Datasheet
PDF, 566 Kb, File published: Feb 5, 2013
Extract from the document
Status
| TC649BEOA | TC649BEOATR | TC649BEPA | TC649BEUA | TC649BEUATR | |
|---|---|---|---|---|---|
| Lifecycle Status | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | 
Packaging
| TC649BEOA | TC649BEOATR | TC649BEPA | TC649BEUA | TC649BEUATR | |
|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 
| Package | SOIC | SOIC | PDIP | MSOP | MSOP | 
| Pins | 8 | 8 | 8 | 8 | 8 | 
Parametrics
| Parameters / Models | TC649BEOA | TC649BEOATR | TC649BEPA | TC649BEUA | TC649BEUATR | 
|---|---|---|---|---|---|
| Auto shutdown | Yes | Yes | Yes | Yes | Yes | 
| Description | Fan Manager | Fan Manager | Fan Manager | Fan Manager | Fan Manager | 
| External Temp Input | Yes | Yes | Yes | Yes | Yes | 
| Fan Speed Table | No | No | No | No | No | 
| FanSense fan monitor | Yes | Yes | Yes | Yes | Yes | 
| High/Low PWM Freq | Low | Low | Low | Low | Low | 
| Integrated temp sensor | No | No | No | No | No | 
| Max. Accuracy @ 25°, ° | Depends on external thermistor | Depends on external thermistor | Depends on external thermistor | Depends on external thermistor | Depends on external thermistor | 
| Max. Supply Current, µA | 400 | 400 | 400 | 400 | 400 | 
| Operating Temperature Range, °C | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | 
| Over temp alert | Yes | Yes | Yes | Yes | Yes | 
| Predictive fan fault detection/read/RPM | No | No | No | No | No | 
| SMBus compatible interface | No | No | No | No | No | 
| Temp. Range, ° | -40 - +85 | -40 - +85 | -40 - +85 | -40 - +85 | -40 - +85 | 
| Typical Accuracy, ° | Depends on external thermistor | Depends on external thermistor | Depends on external thermistor | Depends on external thermistor | Depends on external thermistor | 
| Vcc Range, V | +3.0 - +5.5 | +3.0 - +5.5 | +3.0 - +5.5 | +3.0 - +5.5 | +3.0 - +5.5 | 
Eco Plan
| TC649BEOA | TC649BEOATR | TC649BEPA | TC649BEUA | TC649BEUATR | |
|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | 
Other Options
Model Line
Series: TC649B (5)
Manufacturer's Classification
- Thermal Management > Fan Controllers > Open Loop Fan Controllers and Fault Detectors