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TMP75BQDRQ1

更新时间： 2024-10-02 01:03:47
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德州仪器 - TI 输出元件传感器换能器
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31页 959K
描述
TMP75B-Q1 1.8-V Digital Temperature Sensor with Two-Wire Interface and Alert

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中文翻译

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TMP75BQDRQ1 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：ActiveReach Compliance Code：compliant
ECCN代码：EAR99Factory Lead Time：6 weeks
风险等级：0.93Samacsys Description：Automotive Grade, 1.4V-Capable Temperature Sensor with I2C/SMBus Interface in LM75 Pinout
最大精度（摄氏度）：3 Cel主体宽度：3.9 mm
主体高度：1.75 mm主体长度或直径：4.9 mm
外壳：PLASTIC安装特点：SURFACE MOUNT
位数：12最大工作电流：0.001 mA
最高工作温度：125 °C最低工作温度：-40 °C
输出接口类型：2-WIRE INTERFACE封装主体材料：PLASTIC/EPOXY
封装形状/形式：RECTANGULAR筛选级别：AEC-Q100
传感器/换能器类型：TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL最大供电电压：3.6 V
最小供电电压：1.4 V表面贴装：YES
端接类型：SOLDER

TMP75BQDRQ1 数据手册

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Sample &  
Buy  
Support &  
Community  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
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  
sensor with a 12-bit analog-to-digital converter (ADC)  
that can operate at a 1.8-V supply, and is pin and  
register compatible with the industry-standard LM75  
and TMP75. This device is available in SOIC-8 and  
VSSOP-8 packages, and requires no external  
components to sense the temperature. The TMP75B-  
Q1 is capable of reading temperatures with a  
resolution of 0.0625°C and is specified over a  
temperature range of –40°C to 125°C.  
1
•
Qualified for Automotive Applications  
•
AEC-Q100 Qualified with the Following Results:  
–
–
–
Temperature Grade 1: –40°C to 125°C  
HBM ESD Classification 2  
CDM ESD Classification C4B  
•
•
•
•
•
•
•
•
Digital Output with Two-Wire Serial Interface  
Up to 8 Pin-Programmable Bus Addresses  
Programmable Overtemperature ALERT  
Shutdown Mode for Power Saving  
One-Shot Conversion Mode  
The TMP75B-Q1 features SMBus and two-wire  
interface compatibility, and allows up to eight devices  
on the same bus with the SMBus overtemperature  
alert function. The programmable temperature limits  
and the ALERT pin allow the sensor to operate as a  
stand-alone thermostat, or an overtemperature alarm  
for power throttling or system shutdown.  
Operating Temperature Range: –40°C to 125°C  
Operating Supply Range: 1.4 V to 3.6 V  
Quiescent Current:  
–
–
45 μA Active (typ)  
The factory-calibrated temperature accuracy and the  
noise-immune digital interface make the TMP75B-Q1  
the preferred solution for temperature compensation  
of other sensors and electronic components, without  
the need for additional system-level calibration or  
elaborate board layout for distributed temperature  
sensing.  
0.3 μA Shutdown (typ)  
•
Accuracy:  
–
–
±0.5°C (typ) from –20°C to 85°C  
±1°C (typ) from –40°C to 125°C  
•
•
Resolution: 12 Bits (0.0625°C)  
Packages: SOIC-8 and VSSOP-8  
The TMP75B-Q1 is ideal for thermal management  
and protection of a variety of automotive applications,  
and is a high-performance alternative to a PCB-  
mounted NTC thermistor.  
2 Applications  
•
•
•
•
•
•
•
Automotive Embedded Systems  
ECU Processor Temperature Monitoring  
TCM Processor Temperature Monitoring  
BCM Processor Temperature Monitoring  
LED Headlight Thermal Control  
Device Information(1)  
DEVICE NAME  
PACKAGE  
SOIC (8)  
VSSOP (8)  
BODY SIZE (NOM)  
4.90 mm × 3.90 mm  
3.00 mm × 3.00 mm  
TMP75B-Q1  
Battery Thermal Protection  
(1) For all available packages, see the package option addendum  
at the end of the datasheet.  
Electrical Motor Driver Thermal Protection  
Temperature Accuracy (Error) vs Ambient  
Temperature  
Simplified Schematic  
1.4 V to 3.6 V  
3
2
0.01 PF  
1
TMP75B-Q1  
1
2
3
4
8
7
6
5
SDA  
SCL  
VS  
A0  
A1  
A2  
0
Two-Wire  
Host Controller  
±1  
ALERT  
GND  
Mean  
±2  
Mean - 61  
Mean + 61  
±3  
±75 ±50 ±25  
0
25  
50  
75  
100 125 150  
Temperature (ƒC)  
C005  
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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