INA219 I2C Interface No Drift Bi-directional Current / Power Supply Monitoring Module
₵35.00
This New CJMCU-219 INA219 I2C Interface No drift Bi-directional Current / Power Supply Monitoring Module. Get yours today at the Best Price from the official reseller INDIA only at KitsGuru, the CJMCU-219 INA219 I2C Interface No drift Bi-directional Current / Power Supply Monitoring Module includes all you need to hook up.
CJMCU-219 is a module with the I2C interface of zero drift and bi-directional current/power monitoring and control integrated circuit (IC). INA219 has the industry’s highest precision and small size, it can monitor the pressure drop on the shunt resistor, shunt power supply voltage, and at the same time also the power.
This breakout board will solve all your power-monitoring problems. Instead of struggling with two multimeters, you can just use the handy INA219 chip on this breakout to measure both the high side voltage and DC current draw over I2C with 1% precision.
The device adopts the SOT23 packaging, but the server, notebook computer, power supply, battery management, and digital electric vehicle telecommunication equipment measuring flu provide a small low-cost solution.
A precision amplifier measures the voltage across the 0.1, 1% sense resistor. Since the amplifier’s maximum input difference is ±320mV this means it can measure up to ±3.2 Amps. With the internal 12- bit ADC, the resolution at ±3.2A range is 0.8mA. With the internal gain set at the minimum of div8, the max current is ±400mA and the resolution is 0.1mA. Advanced hackers can remove the 0.1-ohm current sense resistor and replace it with their own to change the range (say a 0.01 ohm to measure up to 32 Amps with a resolution of 8mA)
INA219-40 C to + 85 Degrees Celcius temperature range and can realize the maximum error of 1% accuracy, a maximum offset of 100 μV. The advantage of the high precision of the product in combination with 12 resolution, can help clients as much as possible, reduce the pressure drop on the shunt resistor, which can minimize the power loss and power consumption, and save board space. The device epic of 26 bus voltage range of 0 V to + V.
10 in stock
Technical Details
- Operating Voltage (V): 3 to 5.5
- Accuracy: ±0.5%
- Operating Temperature (°C): -40 to 85
- Length (mm): 26
- Width (mm): 22
- Height (mm): 6
- Weight (g): 3
Features
- 0.1 ohm 1% 2W current sense resistor
- Up to +26V target voltage
- Up to ±3.2A current measurement, with ±0.8mA resolution
- 0.9″ x 0.8″ PCB
- PCB (no header or terminal block): 1.9g
- Senses Bus Voltages from 0 to 26 V
- I2C- or SMBus-compatible interface
- Reports Current, Voltage, and Power
- 16 Programmable Addresses
- Filtering Options
- Calibration Registers
- SOT23-8 and SOIC-8 Packages
INA219 other important features include
- Calibration programmable registers can directly read current in amperes and power in watts per reading
- Supports up to 128 sample averaging for noise filtering
- I2C interface includes a timeout feature to prevent bus lock and supports high-speed mode up to 3.4 MHz
- All features are software-programmable for INA219
- Operates with a single power supply from +3.0V to +5.5V
Applications :
- Power supply monitoring for embedded systems
- Battery management in portable devices
- Solar power system monitoring
- Current and power measurement in IoT applications
- Server and network equipment power tracking
- Motor control and robotics power monitoring
- Industrial automation and energy-efficient systems
- Overcurrent protection in electronic circuits
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