Microchip Technology
이미지는 예시일 수 있습니다.
제품 세부사항은 사양을 확인하세요.
TC646EUA713
자세히보기 데이터시트

TC646EUA713

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Temperature Sensor and Fan Speed Controller
  • Characteristics:
    • Monitors temperature and controls fan speed accordingly
    • Provides accurate temperature measurements
    • Regulates fan speed to maintain optimal temperature conditions
  • Package: UA713 (8-pin SOIC package)
  • Essence: Temperature sensing and fan speed control integrated circuit
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage Range: 2.7V to 5.5V
  • Temperature Measurement Range: -40°C to +125°C
  • Temperature Accuracy: ±2°C
  • Fan Control Output: PWM (Pulse Width Modulation)
  • Fan Control Frequency: 30Hz to 10kHz
  • Shutdown Current: 1µA (typical)

Detailed Pin Configuration

The TC646EUA713 IC has the following pin configuration:

  1. VDD: Supply voltage input
  2. GND: Ground reference
  3. D+/-: Differential temperature measurement inputs
  4. TACH: Fan tachometer input
  5. FAN: Fan control output
  6. VREF: Reference voltage output
  7. SHDN: Shutdown control input
  8. VOUT: Temperature voltage output

Functional Features

  • Temperature Sensing: The TC646EUA713 accurately measures temperature using its differential temperature measurement inputs.
  • Fan Speed Control: Based on the temperature readings, the IC regulates the fan speed by generating a PWM signal at the FAN pin.
  • Shutdown Control: The SHDN pin allows for easy shutdown of the IC when not in use, reducing power consumption.

Advantages and Disadvantages

Advantages: - Accurate temperature measurements - Efficient fan speed control - Low shutdown current for power-saving applications - Compact 8-pin package

Disadvantages: - Limited temperature measurement range (-40°C to +125°C) - Temperature accuracy of ±2°C may not be sufficient for some precision applications

Working Principles

The TC646EUA713 operates by continuously monitoring the temperature using its differential temperature measurement inputs. It compares the measured temperature with a reference voltage generated at the VREF pin. Based on this comparison, the IC adjusts the fan speed by generating a PWM signal at the FAN pin. The SHDN pin allows for easy shutdown of the IC when not in use, reducing power consumption.

Detailed Application Field Plans

The TC646EUA713 is commonly used in various applications where temperature control and fan speed regulation are crucial. Some of the application fields include:

  1. Computer Systems: Ensuring optimal cooling and preventing overheating in desktop computers, laptops, and servers.
  2. Home Appliances: Controlling fan speed in refrigerators, air conditioners, and other cooling devices.
  3. Automotive Electronics: Regulating fan speed in car engine cooling systems and climate control units.
  4. Industrial Equipment: Maintaining proper temperature conditions in industrial machinery and equipment.

Detailed and Complete Alternative Models

  1. LM75A: Digital temperature sensor and thermal watchdog with I2C interface.
  2. MAX31725: Integrated temperature sensor and fan controller with automatic fan speed adjustment.
  3. TMP36: Analog temperature sensor with low voltage operation and linear output.

These alternative models offer similar functionality to the TC646EUA713 and can be considered as alternatives based on specific requirements and preferences.

Word count: 446 words

기술 솔루션에 TC646EUA713 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of TC646EUA713 in technical solutions:

  1. Question: What is TC646EUA713?
    Answer: TC646EUA713 is a specific model of temperature sensor and fan controller integrated circuit (IC).

  2. Question: What is the purpose of TC646EUA713?
    Answer: The purpose of TC646EUA713 is to monitor temperature and control fan speed in various technical applications.

  3. Question: How does TC646EUA713 measure temperature?
    Answer: TC646EUA713 measures temperature using an internal temperature sensor or an external thermistor.

  4. Question: Can TC646EUA713 control multiple fans simultaneously?
    Answer: Yes, TC646EUA713 can control multiple fans simultaneously by providing PWM signals to each fan.

  5. Question: What is PWM control?
    Answer: Pulse Width Modulation (PWM) control is a technique that adjusts the duty cycle of a signal to control the speed of a fan.

  6. Question: Can TC646EUA713 be used in both analog and digital systems?
    Answer: Yes, TC646EUA713 can be used in both analog and digital systems as it supports both types of interfaces.

  7. Question: What is the operating voltage range of TC646EUA713?
    Answer: The operating voltage range of TC646EUA713 is typically between 2.7V and 5.5V.

  8. Question: Does TC646EUA713 have any built-in protection features?
    Answer: Yes, TC646EUA713 has built-in protection features such as over-temperature shutdown and fan fault detection.

  9. Question: Can TC646EUA713 be programmed for specific temperature thresholds?
    Answer: Yes, TC646EUA713 can be programmed for specific temperature thresholds using its configuration registers.

  10. Question: What are some common applications of TC646EUA713?
    Answer: Some common applications of TC646EUA713 include computer cooling systems, industrial automation, and consumer electronics where temperature control is required.

Please note that the answers provided here are general and may vary depending on the specific implementation and datasheet of TC646EUA713.