Diode

temp.

sensor

Σ

ADC

Oscillator

Control

logic

Serial

interface

Config.

and temp.

register

TMP112-Q1

Temperature

SCL

1

3

6

4

ALERT

SDA

GND

2

5

V+

ADD0

SCL

GND

ALERT

2

4

1

ADD0

V+

6

3

5

0.01 µF

Two-Wire

Host Controller

TMP112-Q1

1.4 V to 3.6 V

SDA

Pullup Resistors

Supply Bypass

Capacitor

Supply Voltage

5 k

Product

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Sample &

Buy

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TMP112-Q1

SLOS887D – SEPTEMBER 2014 – REVISED DECEMBER 2015

TMP112-Q1 Automotive Grade High-Accuracy, Low-Power,

Digital Temperature Sensor in SOT563

1 Features

3 Description

The TMP112-Q1 device is a digital temperature

1

•

AEC-Q100 Qualified with:

sensor ideal for NTC/PTC thermistor replacement

–

Temperature Grade 1: –40°C to 125°C

where high accuracy is required. The device offers an

Ambient Operating Temperature Range

accuracy of ±0.5°C without requiring calibration or

–

Device HBM ESD Classification Level 2

external

component

signal

conditioning.

Device

temperature sensors are highly linear and do not

–

Device CDM ESD Classification Level C6

require complex calculations or lookup tables to

•

SOT563 Package (1.6 mm × 1.6 mm) is a 68%

derive the temperature. The calibrating for improved

Smaller Footprint than SOT23

accuracy feature allows users to calibrate for an

•

Accuracy Without Calibration:

accuracy as good as ±0.17°C (see the Calibrating for

Improved Accuracy section). The on-chip 12-bit ADC

–

0.5°C (max) from 0°C to 65°C

offers resolutions down to 0.0625°C.

–

1°C (max) from –40°C to 125°C

The 1.6-mm × 1.6-mm SOT563 package is 68%

•

Low Quiescent Current:

smaller footprint than an SOT23 package. The

–

10-

μA Active (max)

TMP112-Q1 device features SMBus™, two-wire and

–

1-

μA Shutdown (max)

devices on one bus. The device also features an

•

Supply Range: 1.4 to 3.6 V

SMBus alert function. The device is specified to

•

Resolution: 12 Bits

operate over supply voltages from 1.4 to 3.6 V with

•

the maximum quiescent current of 10 µA over the full

Interface Compatibility

operating range.

•

NIST Traceable

The

TMP112-Q1

device

is

ideal

for

extended

temperature measurement in control units, climate

2 Applications

control, infotainment, and sensor modules. The

device is specified for operation over a temperature

•

Climate Control

range of –40°C to 125°C.

•

Infotainment Processor Management

The TMP112-Q1 production units are 100% tested

•

Airflow Sensor

against sensors that are NIST-traceable and are

•

Battery Control Unit

verified with equipment that are NIST-traceable

•

Engine Control Unit

through ISO/IEC 17025 accredited calibrations.

•

UREA Sensors

Device Information(1)

•

Water Pumps

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

HID Lamps

TMP112-Q1

SOT563 (6)

1.60 mm × 1.20 mm

•

Airbag Control Unit

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

Simplified Schematic

Block Diagram

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.