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7Semi INA240A3 Bidirectional Current Sense Amplifier Breakout Module
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The 7Semi INA240A3 Bidirectional Current Sense Amplifier Breakout is designed for precise current measurement in demanding electronic and industrial applications. Built around the Texas Instruments INA240A3PW current-sense amplifier, the breakout board measures voltage drops across external shunt resistors with a wide common-mode voltage range from -4V to 80V. Its bidirectional sensing capability makes it suitable for applications where current flows in both directions.
The breakout features a fixed gain of 100V/V, allowing small voltage drops across shunt resistors to be amplified for accurate measurement. Enhanced PWM rejection improves measurement accuracy in electrically noisy environments, making the module suitable for motor drives, solenoid control systems, switching power supplies, and other PWM-based applications. Support for negative common-mode voltages also enables current monitoring in systems operating below ground potential.
With its compact breakout board design, the module can be integrated into prototypes, embedded systems, and industrial electronics with minimal effort. It is suitable for battery management systems, industrial automation, robotics, power converters, and test equipment where reliable current monitoring is essential.
• Built around the Texas Instruments INA240A3PW current-sense amplifier.
• Supports bidirectional current sensing for monitoring current flow in both directions.
• Provides a fixed gain of 100V/V for accurate current measurement.
• Measures across a wide common-mode voltage range from -4V to 80V.
• Enhanced PWM rejection improves measurement accuracy in noisy switching environments.
• Supports monitoring of systems operating below ground through negative common-mode voltage capability.
• Produces a voltage output proportional to the sensed current.
• Suitable for high-side and low-side current sensing applications.
• Compact breakout board simplifies integration into embedded designs.
• Designed for motor control and monitoring applications.
• Suitable for battery management systems, power supplies, and converters.
• Can be used in industrial automation, robotics, and electronic test equipment.
| Parameter | Value |
| Brand | 7Semi |
| Product Type | Bidirectional Current Sense Amplifier Breakout |
| Amplifier IC | INA240A3PW |
| Gain | 100V/V |
| Common-Mode Voltage Range | -4V to 80V |
| Current Sensing | Bidirectional |
| Output Type | Analog Voltage Output |
| PWM Rejection | Enhanced PWM Rejection |
| Supported Measurement | High-Side and Low-Side Current Sensing |
This product comes with a 6-month manufacturer warranty from the date of purchase, covering manufacturing defects only.
The product shows signs of physical damage, mishandling, exposure to water/moisture, fire, natural calamities, unauthorized repairs, improper storage near heat or direct sunlight, or alteration in any way.
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