INA3221 Triple-Channel Sensor Board Module
The INA3221 Triple-Channel Sensor Board Module, high-side current and bus voltage monitor that features an I2C and SMBUS compatible interface. Aside from monitoring the shunt voltage drop and bus supply voltage, it also offers programmable conversion time and average calculation mode for these readings. Moreover, it has critical and warning alarms in place to detect various user-set out-of-range conditions on each channel.
The INA3221 Triple-Channel Sensor Board Module is able to detect the current on the bus, which can range from 0V to 26V. It runs on a single 2.7V to 5.5V power supply and has a supply current consumption of approximately 350μA (typ). Its operational temperature range is between -40 °C and 125 °C. Additionally, it features a four programmable addresses interface that is compatible with both I2C and SMBUS protocols.
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- Utilizing independent bus voltages, three-channel monitoring is implemented.
- A 1% tolerance, 2W current sense resistor with a resistance of 0.1 ohm.
- Voltage detection up to 26V with a precision of ± 8mV.
- Accurately measure currents up to ± 1.638A with an accuracy of ± 0.4mA.
- The weight of the item (excluding pins and other pieces) is 4.4g.
- To access the module, utilize pad jumpers and choose from 4 available I2C addresses: 0x40, 0x41, 0x44, or 0x45.
- A triple-channel configuration with varying bus voltage.
- This current sense resistor has a value of 0.1 ohm with a tolerance of 1% and a power rating of 2W.
- The maximum target voltage is 26V, with a resolution of ±8mV.
- The current measurement has a range of ±1.638A and a resolution of ±0.4mA.
- The PCB without headers or terminal blocks weighs 4.4g.
- INA3221 Triple-Channel Sensor Board Module chip utilizes I2C 7-bit addresses, specifically 0x40, 0x41, 0x44, and 0x45, which can be chosen by adjusting the jumpers.
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