TC74A1-5.0VCTTRG datasheet, PDF

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TC74A1-5.0VCTTRG: DescriptionIC dgtl therm snsr 5.0V sot23a-5; CategoryAnalog mixed-signal IC The signal circuit; File Size239KB，18 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com; Environmental Compliance

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TC74A1-5.0VCTTRG Overview

IC dgtl therm snsr 5.0V sot23a-5

TC74A1-5.0VCTTRG Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Microchip
Parts packaging code	SOT-23A
package instruction	LSSOP,
Contacts	5
Reach Compliance Code	compliant
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT
JESD-30 code	R-PDSO-G5
JESD-609 code	e3
length	2.9 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	5
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	LSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	1.45 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.7 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
Temperature level	AUTOMOTIVE
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
width	1.65 mm

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TC74

Tiny Serial Digital Thermal Sensor

Features

• Digital Temperature Sensing in SOT-23-5 or

TO-220 Packages

• Outputs Temperature as an 8-Bit Digital Word

• Simple SMBus/I

C™ 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

General Description

The TC74 is a serially accessible, digital temperature

sensor particularly suited for low cost and small form-

factor applications. Temperature data is converted from

the onboard thermal sensing element and made

available as an 8-bit digital word.

Communication with the TC74 is accomplished via a 2-

wire SMBus/I

C 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.

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

Functional Block Diagram

Package Types

TO-220

SDA

TC74

12345

Internal Sensor

(Diode)

SDA

Serial Port

Interface

SCLK

SOT-23

SCLK



Modulator

Control

TC74

GND

Temperature

Logic



2001-2012 Microchip Technology Inc.

SDA

GND

SCLK

VDD

Note: The TO-220 tab is connected

to pin 3 (GND)

DS21462D-page 1

TC74A1-5.0VCTTRG Related Products

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Description	IC dgtl therm snsr 5.0V sot23a-5	IC dgtl therm snsr 3.3V sot23-5	IC dgtl therm snsr 5.0V sot23a-5	IC dgtl therm snsr 3.3V sot23a-5	IC dgtl therm snsr 3.3V sot23a-5	IC dgtl therm snsr 5.0V sot23a-5
Is it lead-free?	Lead free	Lead free	Lead free	Lead free	Lead free	Lead free
Is it Rohs certified?	conform to	conform to	conform to	conform to	conform to	conform to
Parts packaging code	SOT-23A	SOT-23A	SOT-23A	SOT-23A	SOT-23A	SOT-23A
package instruction	LSSOP,	LSSOP,	LSSOP,	LSSOP,	SOT-23A, 5 PIN	SOT-23A, 5 PIN
Contacts	5	5	5	5	5	5
Reach Compliance Code	compliant	compliant	compliant	compliant	compliant	compliant
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT
JESD-30 code	R-PDSO-G5	R-PDSO-G5	R-PDSO-G5	R-PDSO-G5	R-PDSO-G5	R-PDSO-G5
JESD-609 code	e3	e3	e3	e3	e3	e3
length	2.9 mm	2.9 mm	2.9 mm	2.9 mm	2.9 mm	2.9 mm
Humidity sensitivity level	1	1	1	1	1	1
Number of functions	1	1	1	1	1	1
Number of terminals	5	5	5	5	5	5
Maximum operating temperature	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	LSSOP	LSSOP	LSSOP	LSSOP	LSSOP	LSSOP
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260	260	260	260	260	260
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	1.45 mm	1.45 mm	1.45 mm	1.45 mm	1.45 mm	1.45 mm
Maximum supply voltage (Vsup)	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage (Vsup)	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V
Nominal supply voltage (Vsup)	5 V	3.3 V	5 V	3.3 V	3.3 V	5 V
surface mount	YES	YES	YES	YES	YES	YES
Temperature level	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE
Terminal surface	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	0.95 mm	0.95 mm	0.95 mm	0.95 mm	0.95 mm	0.95 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	40	40	40	40	40	40
width	1.65 mm	1.65 mm	1.65 mm	1.65 mm	1.65 mm	1.65 mm

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