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The INA238 is a high-precision DC power monitoring module designed to measure current, bus voltage, and calculated power on the high side of a circuit. Featuring a 20-bit delta-sigma ADC, it supports accurate energy and charge accumulation, making it suitable for power analysis in battery systems, servers, and industrial equipment.
The INA238 is a high-precision DC power monitoring module designed to measure current, bus voltage, and calculated power on the high side of a circuit. Featuring a 20-bit delta-sigma ADC, it supports accurate energy and charge accumulation, making it suitable for power analysis in battery systems, servers, and industrial equipment.
High-side current, voltage, and power measurement
20-bit delta-sigma ADC for high resolution
Energy and charge accumulation support
Wide bus voltage measurement range
I2C communication interface
STEMMA QT / Qwiic connector available and compatible
IC Model: INA238
Measurement Type: DC current, voltage, power, energy, charge
Measurement Method: High-side sensing
Current Measurement Range: ±20 A (maximum, dependent on shunt resistor)
Bus Voltage Range: 0 to 85 V
ADC Resolution: 20-bit
Current Accuracy: ±0.25 percent (maximum, gain error)
Power Supply Voltage: 2.7V to 5.5V
Communication Interface: I2C
I2C Address: Configurable
Logic Level Compatibility: 3.3V or 5V
Module Interface: STEMMA QT / Qwiic JST-SH connector
Country of Origin: Made in China
Battery management systems (BMS)
Server and data center power monitoring
Solar and renewable energy systems
Industrial power consumption analysis
Embedded power measurement projects
1 x INA238 DC power monitor module (STEMMA QT / Qwiic)
QT cable not included
External shunt resistor selection affects current range and accuracy
Designed for DC measurements only
Ensure correct wiring and voltage limits before operation
The INA238 power monitoring module provides precise measurement of current, voltage, and power with energy accumulation capabilities. With STEMMA QT / Qwiic compatibility and a wide voltage range, it is well suited for advanced power monitoring applications in embedded and industrial systems.
Specific References
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Reference: RBD-0564
Reference: RBD-3278
Reference: RBD-1173
Reference: RBD-1836
Reference: RBD-2735
Reference: RBD-1175
Reference: RBD-3452
Reference: RBD-2342
Reference: RBD-2073
Reference: RBD-2675
Reference: RBD-4094
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Reference: RBD-4098
Reference: RBD-1972
Brand: DFRobot
Reference: RBD-2677
Reference: RBD-0555
Reference: RBD-2120
Reference: RBD-4070
Reference: RBD-4072
Reference: RBD-4094
We'll slide into your inbox when the product is back in stock.
The INA238 is a high-precision DC power monitoring module designed to measure current, bus voltage, and calculated power on the high side of a circuit. Featuring a 20-bit delta-sigma ADC, it supports accurate energy and charge accumulation, making it suitable for power analysis in battery systems, servers, and industrial equipment.
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