Driven by the wave of emerging technologies such as the Internet of Things and artificial intelligence,the household appliance industry is accelerating the transformation to intelligent and refined control.Consumers'functional requirements for home appliances have shifted from basic use to personalized and automated experience.As the core component of information perception,intelligent sensor chip has become the key to realize intelligent control.
 

GXA555 represented by Yingshang Microelectronics is a high-performance temperature and humidity sensor chip,which has many characteristics suitable for smart devices.The sensor supports the standard I2C communication protocol,and the highest communication rate can reach 2MHz,which can efficiently transmit the collected data.Its working voltage range is wide(1.6V-5.5V),its power consumption is low,and its standby current is only 0.5μA A.It is very suitable for smart door locks and other devices that need long-term operation.GXA555,a temperature and humidity sensor,has a built-in weak pull-up resistor,which simplifies the external circuit design,reduces the number of components and helps to optimize the PCB layout.Its 16-bit GPIO port can be independently configured in input or output mode,and can directly drive LED elements,which is very suitable for controlling multi-channel backlight and capacitive keys of door lock panel.

 

The port data of the temperature and humidity sensor is transmitted through the standard two-wire I2C protocol,which can support a communication rate of up to 1MHz(up to 2MHz after the high-speed mode is turned on).GXA555 sensor not only has the advantages of low power consumption and high integration,but also is compatible with various communication protocols.The temperature and humidity sensor GXA539 has a low effective reset input pin,which can be widely used in servers,industrial equipment and smart homes.The miniaturization design and high reliability of temperature and humidity sensor make it an ideal choice for consumer electronic products such as smart door locks.
 

GXA555 temperature and humidity sensor parameters

①Main functions:I2C GPIO expansion

②Communication mode:I2C

③Working voltage:1.6V-5.5V

④Working temperature:-55℃~+125℃

⑤Number of GPIO of temperature and humidity sensor:16

⑥Maximum communication rate:2MHz

⑦Standby current:0.5μA.

⑧packaging form:TSSOP24L,QFN24L.

⑨Pet-name ruby temperature and humidity sensor can directly drive LED.

⑩Attending the interrupt pin of open drain output.

?Other functions:built-in weak pull-up resistor