Microchip TC665EUN
Manufacturer No:
TC665EUN
Manufacturer:
Microchip
Package:
10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
Description:
TC665 Single PWM fan speed controller with FanSense, temperature proportional speed control, thermistor read, and SMBus
Quantity:
In Stock :7408
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Shipped from：HK Warehouse
Expected Shipping：Fri, May 29 - Sat, May 30, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
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DELIVERY TIME1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.
TC665EUN Information
Microchip TC665EUN technical specifications, attributes, parameters and parts with similar specifications to Microchip TC665EUN.
- Type
- Parameter
- Device Description
- Programmable Single Fan Manager
- Typical Accuracy (°C)
- Depends on external thermistor
- Over Temp Alert
- Yes
- SM Bus
- Yes
- Predictive Fan Fault
- Yes
- Max. Supply Current (µA)
- 320
- Max Accuracy @ 25°C (°C)
- Depends on external thermistor
- Integrated temp Sensor
- No
- Fan Sense
- Yes
- External Temp Input
- Yes
- Type
- Parameter
- Auto Shutdown
- No
- 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
Download datasheets and manufacturer documentation for Microchip TC665EUN.
Data Sheets:
The TC665 is a single PWM mode fan speed controller with FanSense™ TM technology for use with brush-less DC motors. The device allows temperature proportional speed control and therefore accomplishes lower acoustic fan noise and longer fan life. The TC665 reads the voltage provided by an external ther-mistor (or voltage output temperature sensor) and adjust sa 30% to 100% PWM duty cycle output to the fan with respect to the input temperature voltage. The PWM duty cycle can also be programmed via SMBus to allow fan speed control without the need of an external thermistor.
In normal fan operation, pulse trains are present at the SENSE pin. These pulses are used to calculate the fan RPM. The fan RPM data is used to detect a worn out, stalled, open or unconnected fan. An RPM level below the user-programmable threshold causes the TC665 to assert a logic low alert signal (FAULT). Thedefault value is 500RPM. The TC665 consumes only 0.3mA during operation and can also enter a low-power shutdown mode by setting the appropriate bit in the configuration register.
- Temperature Proportional Fan Speed for Acoustic Control and Longer Fan Life
- FanSense™ Protects Against Fan Failure
- Over-Temperature Detection
- 2-wire SMBus Compatible Interface
- 3.0V to 5.5V Supply Range
- Supports Any Fan Voltage
- Supports Low Cost NTC/PTC Thermistors
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12.28 M
Listed Part Number
3,000+
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In-stock SKU
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