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Datasheet Microchip TC74

ManufacturerMicrochip
SeriesTC74

TC74 is a serially accessible digital temperature sensor particularly suited for low cost and small form-factor applications

Datasheets

  • Download » Datasheet, PDF, 245 Kb, 02-05-2013
    TC74 Datasheet
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    TC74
    Tiny Serial Digital Thermal Sensor
    Features General Description Digital Temperature Sensing in SOT-23-5 or
    TO-220 Packages Outputs Temperature as an 8-Bit Digital Word Simple SMBus/I2C™ Serial Port Interface Solid-State Temperature Sensing:
    -±2°C (max.) Accuracy from +25°C to +85°C
    -±3°C (max.) Accuracy from 0°C to +125°C Supply Voltage of 2.7V to 5.5V Low Power:
    -200 µA (typ.) Operating Current
    -5 µA (typ.) Standby Mode Current The TC74 is a serially accessible, digital temperature
    sensor particularly suited for low cost and small formfactor applications. Temperature data is converted from
    the onboard thermal sensing element and made
    available as an 8-bit digital word. Applications Thermal Protection for Hard Disk Drives
    and other PC Peripherals PC Card Devices for Notebook Computers Low Cost Thermostat Controls Power Supplies Thermistor Replacement Package Types Communication with the TC74 is accomplished via a 2wire SMBus/I2C compatible serial port. This bus also
    can be used to implement multi-drop/multi-zone
    monitoring. The SHDN bit in the CONFIG register can
    be used to activate the low power Standby mode.
    Temperature resolution is 1°C. Conversion rate is a
    nominal 8 samples/sec. During normal operation, the
    quiescent current is 200 µA (typ). During standby
    operation, the quiescent current is 5 µA (typ).
    Small size, low installed cost and ease of use make the
    TC74 an ideal choice for implementing thermal
    management in a variety of systems. Functional Block Diagram Internal Sensor
    (Diode) TO-220 SOT-23 SCLK SDA SCLK 5 4  Modulator TC74 Control Logic TC74 12345 NC ...

Prices

Status

TC74A0-3.3VATTC74A0-3.3VCTTRTC74A0-5.0VATTC74A0-5.0VCTTRTC74A1-3.3VATTC74A1-3.3VCTTRTC74A1-5.0VATTC74A1-5.0VCTTRTC74A2-3.3VATTC74A2-3.3VCTTRTC74A2-5.0VATTC74A2-5.0VCTTRTC74A3-3.3VATTC74A3-3.3VCTTRTC74A3-5.0VATTC74A3-5.0VCTTRTC74A4-3.3VATTC74A4-3.3VCTTRTC74A4-5.0VATTC74A4-5.0VCTTRTC74A5-3.3VATTC74A5-3.3VCTTRTC74A5-5.0VATTC74A5-5.0VCTTRTC74A6-3.3VATTC74A6-3.3VCTTRTC74A6-5.0VATTC74A6-5.0VCTTRTC74A7-3.3VATTC74A7-3.3VCTTRTC74A7-5.0VATTC74A7-5.0VCTTR
Lifecycle StatusProduction (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)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)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)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)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)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)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)

Packaging

Parametrics

TC74A0-3.3VATTC74A0-3.3VCTTRTC74A0-5.0VATTC74A0-5.0VCTTRTC74A1-3.3VATTC74A1-3.3VCTTRTC74A1-5.0VATTC74A1-5.0VCTTRTC74A2-3.3VATTC74A2-3.3VCTTRTC74A2-5.0VATTC74A2-5.0VCTTRTC74A3-3.3VATTC74A3-3.3VCTTRTC74A3-5.0VATTC74A3-5.0VCTTRTC74A4-3.3VATTC74A4-3.3VCTTRTC74A4-5.0VATTC74A4-5.0VCTTRTC74A5-3.3VATTC74A5-3.3VCTTRTC74A5-5.0VATTC74A5-5.0VCTTRTC74A6-3.3VATTC74A6-3.3VCTTRTC74A6-5.0VATTC74A6-5.0VCTTRTC74A7-3.3VATTC74A7-3.3VCTTRTC74A7-5.0VATTC74A7-5.0VCTTR
# Temps Monitored11111111111111111111111111111111
Alert/THERMNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNo
DescriptionSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature SensorSMBus/I2C Temperature Sensor
Max. Accuracy @ 25°, °22222222222222222222222222222222
Max. Supply Current, µA200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200
Operating Temperature Range, °C-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125-40 to +125
Resolution, bits88888888888888888888888888888888
Temp. Range, °-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125-40 - +125
Typical Accuracy, °0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.5
Vcc Range, V+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5+2.7 - +5.5

Eco Plan

Moldel Line

Series: TC74 (32)

Manufacturer's Classification

  • Thermal Management > Local Temperature Sensors > Serial (Digital) Output

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