Status: | Active |
---|---|
Series: | TC642B |
RoHS: | Compliant |
The TC642B also features Microchip Technology's proprietary FanSenseâ„¢ technology for increasing system reliability. In normal fan operation, a pulse train is present at SENSE, pin 5. A missing-pulse detector monitors this pin during fan operation. A stalled, open, or unconnected fan causes the TC642B device to turn the VOUT output on full (100% duty cycle). If the fan fault persists (a fan current pulse is not detected within a 32/F period), the FAULT output goes low. Even with the FAULT output low, the VOUT output is on full during the fan fault condition in order to try and restart the fan. The FAULT signal is also asserted if the PWM reaches 100% duty cycle, indicating that maximum cooling capability has been reached and a possible thermal runaway condition exists.
Prices starting from US$0.87
Temperature Proportional Fan Speed for Acoustic Control and Longer Fan Life |
FanSenseâ„¢ Protects Against Fan Failure |
Efficient PWM Drive |
Shutdown Mode for "Green" Systems |
3.0V to 5.5V Supply Range |
Fan Voltage Independent of Supply Voltage – Supports Any Fan Voltage |
Supports Low Cost NTC/PTC Thermistors |
Fan Auto-Restart |
Over-Temperature Indication |
Device Description | Fan Manager |
---|---|
Typical Accuracy (°C) | Depends on external thermistor |
Over Temp Alert | True |
SM Bus | False |
Predictive Fan Fault | False |
Max. Supply Current (µA) | 400 |
Max Accuracy @ 25°C (°C) | Depends on external thermistor |
Integrated temp Sensor | False |
Fan Sense | True |
External Temp Input | True |
Auto Shutdown | True |
PWMFreq | Low |
FanSpeedTable | No |
Temp. Range Max. (°C) | +85 |
Temp. Range. Min. (°C) | -40 |
Vcc Range Max. (V) | +5.5 |
Vcc Range Min. (V) | +3.0 |
Pins | Packaging | 8 | MSOP |
Temp Range | -40C to +85C |
Packing Media | Tube (100) |
Data Sheets |
---|
TC642B/TC647B data sheet |
JEDEC Indicator | e3 |
---|---|
ROHS | Compliant |
China EFUP | Compliant |
Device Weight (g) | 0.0256 |
Shipping Weight (kg) | 0.07 |
Lead Count | 8 |
Package Type | MSOP |
Package Width or Size | 3x3mm |
Soldering Composition | Matte Tin |
PWM Fan speed Controller | Microchip Technology |
Motor Driver, Pwm, 5Ma, Msop-8 | Newark Electronics |
TC642 Series 5.5 V PWM Fan Speed Controller w/ Fault Detection - MSOP-8 | Future Electronics |
PWM Fan Motor Speed Controller 8-Pin MSOP Tube | Avnet America |
Microchip TC642BEUA PWM Controller, 34 Hz, 3 - 5.5 V, 8-Pin MSOP | Microchip Technology Inc. TC642BEUA | RS Americas |
IC, PWM, FAN SPEED CTRLR, 8-MSOP | Farnell |
Where can I find additional details, specifications and documents for a TC642BEUA?
Additional datasheets, footprints and schematics for TC642BEUA are listed on our Part Details page. You can also find images and similar parts to TC642BEUA on this page.
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What category does TC642BEUA fall under?
The TC642BEUA is listed under Semiconductors - ICs > More Semiconductors - ICs.
Can I view similar or alternative parts?
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Is the TC642BEUA RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Microchip Technology.
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Authorised distributors including Microchip Technology, Newark Electronics, Future Electronics, Avnet America and RS Americas have stock available or on a lead time for TC642BEUA.
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