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TMP75BQDRQ1 데이터시트(PDF) 1 Page - Texas Instruments

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부품명 TMP75BQDRQ1
상세설명  TMP75B-Q1 1.8-V Digital Temperature Sensor with Two-Wire Interface and Alert
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±3
±2
±1
0
1
2
3
±75
±50
±25
0
25
50
75
100
125
150
Temperature (
ƒC)
Mean
Mean - 6
Mean + 6
C005
A2
SDA
SCL
GND
ALERT
2
6
8
7
1
A1
A0
VS
4
3
5
0.01 2F
Two-Wire
Host Controller
TMP75B-Q1
1.4 V to 3.6 V
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
TMP75B-Q1
SBOS721 – OCTOBER 2014
TMP75B-Q1 1.8-V Digital Temperature Sensor with Two-Wire Interface and Alert
1 Features
3 Description
The TMP75B-Q1 is an integrated digital temperature
1
Qualified for Automotive Applications
sensor with a 12-bit analog-to-digital converter (ADC)
AEC-Q100 Qualified with the Following Results:
that can operate at a 1.8-V supply, and is pin and
Temperature Grade 1: –40°C to 125°C
register compatible with the industry-standard LM75
and TMP75. This device is available in SOIC-8 and
HBM ESD Classification 2
VSSOP-8
packages,
and
requires
no
external
CDM ESD Classification C4B
components to sense the temperature. The TMP75B-
Digital Output with Two-Wire Serial Interface
Q1 is capable of reading temperatures with a
resolution of 0.0625°C and is specified over a
Up to 8 Pin-Programmable Bus Addresses
temperature range of –40°C to 125°C.
Programmable Overtemperature ALERT
The TMP75B-Q1 features SMBus and two-wire
Shutdown Mode for Power Saving
interface compatibility, and allows up to eight devices
One-Shot Conversion Mode
on the same bus with the SMBus overtemperature
Operating Temperature Range: –40°C to 125°C
alert function. The programmable temperature limits
Operating Supply Range: 1.4 V to 3.6 V
and the ALERT pin allow the sensor to operate as a
stand-alone thermostat, or an overtemperature alarm
Quiescent Current:
for power throttling or system shutdown.
45
μA Active (typ)
The factory-calibrated temperature accuracy and the
0.3
μA Shutdown (typ)
noise-immune digital interface make the TMP75B-Q1
Accuracy:
the preferred solution for temperature compensation
±0.5°C (typ) from –20°C to 85°C
of other sensors and electronic components, without
the need for additional system-level calibration or
±1°C (typ) from –40°C to 125°C
elaborate board layout for distributed temperature
Resolution: 12 Bits (0.0625°C)
sensing.
Packages: SOIC-8 and VSSOP-8
The TMP75B-Q1 is ideal for thermal management
and protection of a variety of automotive applications,
2 Applications
and is a high-performance alternative to a PCB-
Automotive Embedded Systems
mounted NTC thermistor.
ECU Processor Temperature Monitoring
Device Information(1)
TCM Processor Temperature Monitoring
DEVICE NAME
PACKAGE
BODY SIZE (NOM)
BCM Processor Temperature Monitoring
SOIC (8)
4.90 mm × 3.90 mm
TMP75B-Q1
LED Headlight Thermal Control
VSSOP (8)
3.00 mm × 3.00 mm
Battery Thermal Protection
(1) For all available packages, see the package option addendum
Electrical Motor Driver Thermal Protection
at the end of the datasheet.
Temperature Accuracy (Error) vs Ambient
Simplified Schematic
Temperature
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.


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