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Product Features:
1. Equipped with STEMMA QT/Qwiic interfaces for solder-free, plug-and-play operation; supports high-side electrical parameter measurement.
2. Multiple models available to cover various DC power supply scenarios.
3. Built-in high-precision ADC chip with automatic accumulation and calculation of energy and charge.
4. Wide supply voltage range; I2C communication address is configurable.
5. Comes with complete open-source drivers; suitable for photovoltaic, industrial control, and power consumption monitoring applications.
Main Applications:
Battery Management Systems (BMS)
Server/Data Center Power Monitoring
Solar System Energy Metering
Industrial Equipment Power Consumption Analysis
Product Specifications:
Model 1:
INA228 High-Precision Current/Power Monitoring Module (20-bit ADC Current/Voltage Monitor) – STEMMA QT/Qwiic Compatible
Performance Features:
1. Qwiic plug-and-play (solder-free); 20-bit ADC for high-precision energy accumulation.
2. Supports 0–85V wide-voltage bus; precise detection of high currents up to ±20A.
3. Current gain error of only ±0.25%; reliable power consumption monitoring data.
4. Wide supply voltage range (2.7–5.5V); customizable I2C address.
5. Comprehensive open-source driver support; suitable for photovoltaic, industrial control, and power monitoring.
Basic Specifications:
Current Measurement: ±20A (Max, depends on shunt resistor)
Voltage Measurement: 0V ~ 85V
ADC Resolution: 20-bit
Current Accuracy: ±0.25% (Gain error, maximum)
Supply Voltage: 2.7V ~ 5.5V
Interface: STEMMA QT / Qwiic (Configurable I2C address)
Module Dimensions: 25.4mm x 20.3mm x 10mm
Model 2:
INA237 85V 10A 16-Bit Current/Power Monitoring Module – STEMMA QT/Qwiic Compatible
Performance Features:
Qwiic solder-free, plug-and-play; simultaneous high-side measurement of voltage, current, and power.
Equipped with 16-bit... ADC capable of automatically accumulating energy and charge data
Compatible with 0–85V high-voltage buses; supports wide-range current sensing up to ±20A
Low current gain error (±0.5% max); stable operation at 2.7–5.5V
Configurable I2C address; open-source drivers available for various monitoring scenarios
Basic Specifications
Current Measurement: ±20A (max, depends on shunt resistor)
Voltage Measurement: 0V ~ 85V
ADC Resolution: 16-bit
Current Accuracy: ±0.5% (gain error, max)
Supply Voltage: 2.7V ~ 5.5V
Interface: STEMMA QT / Qwiic (configurable I2C address)
Module Dimensions: 25.4mm x 20.3mm x 10mm
Variant 3:
INA238 High-Precision Current/Power Monitoring Module (DC Current, Voltage, and Power Monitor); Compatible with STEMMA QT/Qwiic Interfaces
Performance Features:
1. Solder-free, plug-and-play Qwiic interface for easy high-side electrical parameter monitoring
2. Ultra-high precision 20-bit Delta-Sigma ADC; supports energy and charge accumulation calculations
3. Compatible with 0–85V high-voltage buses; measures loop currents up to ±20A
4. Low current gain error (±0.25% max); stable operation at 2.7–5.5V
5. Customizable I2C address; open-source drivers suitable for various energy monitoring applications
Basic Specifications:
Current Measurement: ±20A (max, depends on shunt resistor)
Voltage Measurement: 0V ~ 85V
ADC Resolution: 20-bit
Current Accuracy: ±0.25% (gain error, max)
Supply Voltage: 2.7V ~ 5.5V
Interface: STEMMA QT / Qwiic (configurable I2C address)
Module Dimensions: 25.4mm x 20.3mm x 10mm
Product List:
1x Module
1x Pin Header













INA228 INA238 INA237 Current Power Monitor Module STEMMA QT Qwiic I2C 85V 20A ADC Energy Accumulation for BMS Solar PV IoT
$27.00
Sale price
$27.00
Regular price
$0.00
Description
SPECIFICATIONS
Brand Name: diymore
Condition: New
High-concerned chemical: none
Origin: Mainland China
Package: SOP
Quantity: 1
Supply Voltage: 2.7V - 5.5V
Type: Module
is_customized: Yes

Product Features:
1. Equipped with STEMMA QT/Qwiic interfaces for solder-free, plug-and-play operation; supports high-side electrical parameter measurement.
2. Multiple models available to cover various DC power supply scenarios.
3. Built-in high-precision ADC chip with automatic accumulation and calculation of energy and charge.
4. Wide supply voltage range; I2C communication address is configurable.
5. Comes with complete open-source drivers; suitable for photovoltaic, industrial control, and power consumption monitoring applications.
Main Applications:
Battery Management Systems (BMS)
Server/Data Center Power Monitoring
Solar System Energy Metering
Industrial Equipment Power Consumption Analysis
Product Specifications:
Model 1:
INA228 High-Precision Current/Power Monitoring Module (20-bit ADC Current/Voltage Monitor) – STEMMA QT/Qwiic Compatible
Performance Features:
1. Qwiic plug-and-play (solder-free); 20-bit ADC for high-precision energy accumulation.
2. Supports 0–85V wide-voltage bus; precise detection of high currents up to ±20A.
3. Current gain error of only ±0.25%; reliable power consumption monitoring data.
4. Wide supply voltage range (2.7–5.5V); customizable I2C address.
5. Comprehensive open-source driver support; suitable for photovoltaic, industrial control, and power monitoring.
Basic Specifications:
Current Measurement: ±20A (Max, depends on shunt resistor)
Voltage Measurement: 0V ~ 85V
ADC Resolution: 20-bit
Current Accuracy: ±0.25% (Gain error, maximum)
Supply Voltage: 2.7V ~ 5.5V
Interface: STEMMA QT / Qwiic (Configurable I2C address)
Module Dimensions: 25.4mm x 20.3mm x 10mm
Model 2:
INA237 85V 10A 16-Bit Current/Power Monitoring Module – STEMMA QT/Qwiic Compatible
Performance Features:
Qwiic solder-free, plug-and-play; simultaneous high-side measurement of voltage, current, and power.
Equipped with 16-bit... ADC capable of automatically accumulating energy and charge data
Compatible with 0–85V high-voltage buses; supports wide-range current sensing up to ±20A
Low current gain error (±0.5% max); stable operation at 2.7–5.5V
Configurable I2C address; open-source drivers available for various monitoring scenarios
Basic Specifications
Current Measurement: ±20A (max, depends on shunt resistor)
Voltage Measurement: 0V ~ 85V
ADC Resolution: 16-bit
Current Accuracy: ±0.5% (gain error, max)
Supply Voltage: 2.7V ~ 5.5V
Interface: STEMMA QT / Qwiic (configurable I2C address)
Module Dimensions: 25.4mm x 20.3mm x 10mm
Variant 3:
INA238 High-Precision Current/Power Monitoring Module (DC Current, Voltage, and Power Monitor); Compatible with STEMMA QT/Qwiic Interfaces
Performance Features:
1. Solder-free, plug-and-play Qwiic interface for easy high-side electrical parameter monitoring
2. Ultra-high precision 20-bit Delta-Sigma ADC; supports energy and charge accumulation calculations
3. Compatible with 0–85V high-voltage buses; measures loop currents up to ±20A
4. Low current gain error (±0.25% max); stable operation at 2.7–5.5V
5. Customizable I2C address; open-source drivers suitable for various energy monitoring applications
Basic Specifications:
Current Measurement: ±20A (max, depends on shunt resistor)
Voltage Measurement: 0V ~ 85V
ADC Resolution: 20-bit
Current Accuracy: ±0.25% (gain error, max)
Supply Voltage: 2.7V ~ 5.5V
Interface: STEMMA QT / Qwiic (configurable I2C address)
Module Dimensions: 25.4mm x 20.3mm x 10mm
Product List:
1x Module
1x Pin Header













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30-Day Return Policy
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
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Why Choose Us?
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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