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INA238 DC Current, Voltage and Power Monitor I2C Module – STEMMA QT / Qwiic Compatible Robotics Bangladesh
  • INA238 DC Current, Voltage and Power Monitor I2C Module – STEMMA QT / Qwiic Compatible Robotics Bangladesh

INA238 DC Current, Voltage and Power Monitor I2C Module – STEMMA QT / Qwiic Compatible

RBD-4090

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.

BDT 1,290
BDT 1,290 BDT 1,290 BDT 1,290 BDT 1,290
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BDT 1,290 Tax excluded
BDT 1,290 Tax included
BDT 0 Tax
BDT 1,290 Tax excluded
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BDT 1,290 Tax included
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Description

Short Description

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.

Key Features

  • 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

Technical Specifications

  • 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

Applications / Use Cases

  • Battery management systems (BMS)

  • Server and data center power monitoring

  • Solar and renewable energy systems

  • Industrial power consumption analysis

  • Embedded power measurement projects

Package Includes

  • 1 x INA238 DC power monitor module (STEMMA QT / Qwiic)

Notes / Warnings

  • 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.

Product Details
RBD-4090

Specific References

EAN13
4090
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