Datasheet Microchip TC646B
| Manufacturer | Microchip |
| Series | TC646B |
The TC646B is a new version of the existing TC646 fan speed controller
Datasheets
TC646B/TC648B/TC649B Datasheet
PDF, 566 Kb, File published: Feb 5, 2013
Extract from the document
Prices
Status
| TC646BEOA | TC646BEOA713 | TC646BEPA | TC646BEUA | TC646BEUA713 | |
|---|---|---|---|---|---|
| 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
| TC646BEOA | TC646BEOA713 | TC646BEPA | TC646BEUA | TC646BEUA713 | |
|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 |
| Package | SOIC | SOIC | PDIP | MSOP | MSOP |
| Pins | 8 | 8 | 8 | 8 | 8 |
Parametrics
| Parameters / Models | TC646BEOA | TC646BEOA713 | TC646BEPA | TC646BEUA | TC646BEUA713 |
|---|---|---|---|---|---|
| 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
| TC646BEOA | TC646BEOA713 | TC646BEPA | TC646BEUA | TC646BEUA713 | |
|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant |
Other Options
Model Line
Series: TC646B (5)
Manufacturer's Classification
- Thermal Management > Fan Controllers > Open Loop Fan Controllers and Fault Detectors
