Under the background of large-scale access to new energy,the rapid popularization of electric vehicles and the deepening of the"double carbon"strategy,the power system distribution network is developing rapidly in the direction of intelligence and efficiency.As the core component of smart grid,the temperature monitoring of switchgear,distribution terminal unit(DTU),feeder terminal unit(FTU)and other equipment has become a key link to ensure the stable operation of the system and prevent electrical fires.Under this background,GXTR304 temperature sensor introduced by Zhongke Yinhe Core provides a more reliable temperature monitoring solution for the industry with its high precision,low power consumption and good compatibility.
Yingshang Micro-Agent Zhongke Yinhe Core GXTR304 is a high-precision digital temperature sensor based on SMBus and I2C interface.It can not only monitor the local temperature of the chip in real time,but also detect the temperature of four remote diode connection points at the same time,thus realizing multi-point synchronous monitoring of complex systems.It is worth mentioning that GXTR304 can completely replace TI's TMP464 model in function and packaging,providing an ideal choice for customers seeking domestic substitution.
The temperature sensor GXTR304 has highly flexible programming ability,and the local channel and four remote channels can independently set the temperature alarm threshold.When the monitored temperature exceeds the preset threshold,the equipment will immediately trigger the alarm mechanism.In addition,each channel also supports programmable temperature hysteresis settings,which effectively prevents false positives caused by temperature fluctuations and improves the stability of system operation.
2.Performance of GXTR304 chip of GXCAS temperature sensor
GXTR304 is excellent in temperature monitoring accuracy.The typical temperature measurement accuracy of the local channel is±0.5°C,the remote channel is±1°C,the resolution is as high as 0.0078125°C,and the temperature measurement range covers-55 C to+150 C,which can meet the monitoring requirements in most harsh environments.
In terms of power consumption,GXTR304 shows excellent energy efficiency performance.Under the working voltage of 3.3V and ambient temperature of 27°C,the static current of local channel is only 180μA,and that of remote channel is 360μA A..In turn-off mode,the current consumption is as low as 1.2μA,which is especially suitable for power-sensitive application scenarios.
The sensor also integrates a number of intelligent correction functions,including series resistance elimination,programmableηfactor correction and temperature offset correction,which effectively improves the accuracy of temperature monitoring.At the same time,its wide communication voltage range from 1.6V to 5.5V ensures compatibility with various main control devices.
3.Application scenario of GXCAS temperature sensor chip GXTR304.
①servers and computers
②Switch
③Safety data center
④highly integrated medical system
⑤Precision instruments and test equipment
⑥LED lighting thermal management
⑦Temperature monitoring of⑦MCU,GPU,FPGA,DSP and CPU.
4.Advantages of Zhongke Yinhe Core Temperature Sensor Chip GXTR304
GXTR304 is packaged in a compact 3mm×3mm 16-Pin QFN package,which is convenient for integration into various space-limited system designs.Its wide power supply voltage range of 2.7V to 5.5V enables the equipment to adapt to different power supply environments.By supporting the register block reading function,the data reading efficiency is greatly improved,which is especially suitable for application scenarios that need rapid temperature response.
In the fast-developing industries such as new energy and smart grid,GXTR304 temperature sensor is becoming the preferred scheme for system designers because of its excellent performance and reliable temperature monitoring ability.Its full compatibility with TI TMP464 provides customers with a convenient way to substitute smoothly,which effectively reduces the procurement cost while ensuring the system performance.
With the continuous improvement of industrial intelligence,the importance of temperature sensor in equipment protection and system optimization is increasingly prominent.With its excellent performance and wide applicability,the GXTR304 temperature sensor of Zhongke Yinhe Core,which is represented by Yingshangwei,provides professional and reliable temperature monitoring solutions for various industries and helps the system to achieve more efficient and safer thermal management.
Keywords：temperature sensor
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