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MAXIM INTEGRATED / ANALOG DEVICES MAX4172ESAT High-Side Current Sense Amplifier

The MAX4172ESA+T is a precision, high-side current sense amplifier housed in an 8-pin NSOIC package. It is designed for high side power line monitoring, which is particularly useful in battery-powered systems as it does not interfere with the ground path of the battery charger. With a wide input common mode voltage range from 0V to 32V, independent of supply voltage, it ensures reliable current sensing even when connected to a deeply discharged battery. The device operates with an external sense resistor, allowing flexible load current monitoring and providing a current output that can be converted to a ground-referenced voltage with a single resistor. It features low power consumption, with a maximum supply current of 1.6mA, and supports various applications such as battery chargers, smart battery packs, energy management systems, sensing and instrumentation, motor control, portable devices, and signal processing. The MAX4172 operates over a supply voltage range of 3V to 32V, with an operating temperature range from -40°C to 85°C, and offers accuracy of ±0.5% over temperature. Its electrical characteristics include bandwidths of 800kHz at 100mV sense voltage and 200kHz at 6.25mV sense voltage, a typical input offset voltage of 100mV, and a bias current of 50µA when VRS+ exceeds 2V. It is suitable for applications requiring high side current sensing with minimal board space.

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Source:Newark
Part No:MAX4172ESA+T
Stock:548
Inv Date:06-05-2026
Price: Unit price: $8.54
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Source:DigiKey
Part No:MAX4172ESA+T
Stock:736
Inv Date:06-05-2026
Price: Unit price: $8.29
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Part No:MAX4172ESA+T
Stock:289
Inv Date:06-06-2026
Price: Unit price: $8.29
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Part No:MAX4172ESA-T
Stock:0
Inv Date:06-06-2026
Price: N/A
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Part No:MAX4172ESA+T
Stock:13
Inv Date:06-06-2026
Price: N/A
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MAXIM INTEGRATED / ANALOG DEVICES MAX4172ESAT High-Side Current Sense Amplifier Specifications:

  • Input Voltage Range: 0V to 32V
  • Supply Voltage: 3V to 32V
  • Maximum Power Dissipation (Ta 85°C): SO package derates 5.88mW/°C
  • Operating Temperature Range: -40°C to 85°C
  • Bandwidth: 800kHz at 100mV sense voltage, 200kHz at 6.25mV sense voltage
  • Input Offset Voltage: 100mV typical
  • Supply Current: 1.6mA max
  • Bias Current: 50µA when VRS+ > 2V
  • Output Voltage: Vout related to load current and sense resistor
  • Package: 8-pin NSOIC
  • Accuracy: ±0.5% over temperature
  • Low power consumption, suitable for portable devices and energy systems

Buy the Maxim MAX4172U3 – Reliable High-Side Current-Sense Amplifier for Industrial Applications

Buy the Maxim MAX4172U3 online today—designed for high-side current sensing with wide voltage range and high accuracy, perfect for battery-powered systems, energy management, and portable devices. Compact and low power, making it suitable for space-constrained applications like motor control, instrumentation, and signal processing. Its robust features include a bandwidth of up to 800kHz, and it maintains high accuracy over a broad temperature range. Ease of integration with external sense resistor and simple output scaling ensure reliable performance across various industrial and consumer electronics. Purchase now for durable and precise current measurement solutions.

Get Maxim MAX4172U3 today—engineered for precision, low power, and dependable high-side current sensing in battery management and industrial systems.

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