CJMCU-219 INA219 I2C Bi-directional Current Power Monitor Sensor Module

Description CJMCU 219 module is a with I2C interface Bidirectional current power monitor integrated circuit IC and further expand the energy saving electronic products TI camp INA219 with the industry s highest accuracy and smallest size not only to monitor the voltage drop across a shunt resistor on the sensing shunt supply voltage while also computing power The device is available in a SOT23 package providing a small digital current sensing servers laptops power supplies battery management and automotive and telecommunications equipment low cost solution INA219 in the temperature range 40 ℃ to 85 ℃ can achieve maximum precision error of 1 the maximum offset is 100 uV The high precision products combine the advantages of 12 bit resolution as much as possible to help customers reduce the pressure drop on the shunt resistor thereby minimizing power loss and power consumption and save board space The device can be sensed bus voltage range of 0 V to 26 V Feature Programmable calibration register can be read in units of ampere direct current and read the power in watts Up to 128 samples can be averaged to achieve filtering in noisy environments I2C interface has a timeout setting not only to prevent bus lock but also provides high speed mode to meet the communication requirements of up to 3 4 MHz All properties INA219 are software programmable to support A single power supply the operating voltage of between 3 0 to 5 5VPackage included 1 x CJMCU 2