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STEMMA QT INA3221 - module with 3-channel current sensor 0-26 VDC, ±3.2 A
ID: 1195186
5906623497485
€13.83
Tax included
€11.24 tax excl.
The INA3221 module, which allows simultaneous measurement of voltage and current for three power supplies via I2C with ±1% precision. With a 13-bit ADC and built-in 0.05Ω shunt resistors, it allows accurate monitoring of currents up to ±3.2A and voltages up to +26VDC. Adafruit 6062
Free shipping
free shipping in Poland for all orders over 500 PLN
Same day shipping
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14 days for return
Each consumer can return the purchased goods within 14 days
Description
The INA3221 module is the perfect solution for those who need to monitor multiple power rails simultaneously. Instead of using several multimeters, you only need to connect the sensor board, which enables voltage and DC current measurements for three power sources via the I2C interface with an accuracy of ±1%. The INA3221 module allows measurements for voltages up to +26 VDC while being powered by a 3V or 5V system, making it ideal for battery life monitoring or solar panels.
The precise amplifier measures voltage on the built-in 0.05Ω (1%) shunt resistors, allowing for current measurements up to ±3.2A. With the 13-bit ADC, the resolution for measurements in this range is 0.4 mA. Advanced users can replace the shunt resistor to adjust the measurement range—for example, using a 0.01Ω resistor allows measuring currents up to 16.4A with a resolution of 2 mA.
Usage is very simple—just connect the module to a power source from 3 to 5VDC, connect the I2C pins to the microcontroller, and connect the monitored sources to the VIN1/2/3+ inputs, while connecting the loads to VIN1/2/3-. There is also the option to configure overcurrent warning outputs.
Features
- Voltage measurement range: 0 V to 26 V
- Current measurement range: ±3.2 A (expandable by replacing the shunt resistor)
- Built-in measurement resistors: 0.05Ω (1%)
- Measurement accuracy: ±1%
- 13-bit ADC with a resolution of 0.4 mA at ±3.2A
- Configurable averaging options for measurements
- Programmable warning and alarm outputs
- I2C interface support (default address 0x40, changeable to 0x41)
- Power supply voltage: 2.7V to 5.5V
- Dimensions: 38.6 x 22.9 x 10.5 mm
- Weight: 5.8 g
1195186
Data sheet
- Interface
- I2C
- Zakres pomiarowy
- ±3,2 A
- Sposób podłączenia
- Szeregowy
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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