Compact Hall Effect Current Sensors from Diodes Incorporated Reduce Power Loss and PCB Space in EV Charging Applications

Standard-compliance versions are also available for industrial and commercial current-measurement applications.

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PLANO, Texas--(BUSINESS WIRE)-- Diodes Incorporated (Diodes) (Nasdaq: DIOD) today announces the release of the AHC1724Q and AHC1725Q automotive-compliant* Hall effect current sensors. Addressing the growing electric vehicle (EV) market and its expanding charging infrastructure, these sensors provide accurate, galvanically isolated AC and DC current measurements in applications including onboard chargers (OBC) and charging stations. Their ultra-low primary conductor resistance minimizes power loss, while their compact design enables smaller PCBs in space-constrained applications.

The AHC1724Q and AHC1725Q integrate a low-resistance copper conduction path and linear Hall sensor circuit. With a typical primary conductor resistance of just 1.2mΩ, the devices minimize power dissipation and withstand high inrush currents. Current measurement ranges extend up to ±50A, with uni-directional and bi-directional options available.

The electrically isolated primary conductive path and sensor enable high-side current sensing without high-side differential amplifiers or other costly isolation techniques. The AHC1724Q and AHC1725Q sensors support a 420VDC maximum working voltage for basic isolation according to UL 62368-1.

A low-offset, chopper-stabilized architecture with post-packaging trimming provides a precise output proportional to the measured current. The devices feature a 120kHz analog output bandwidth, with a typical response time of 4.0µs and typical propagation delay of 2.0µs, supporting fast detection of changing current conditions. The analog output is also ratiometric to the supply voltage.

The AHC1724Q operates from a 4.5V to 5.5V supply and supports current ranges from ±2.5A to ±50A. The AHC1725Q operates from 3.0V to 3.6V and supports current ranges from ±5A to ±50A. Both devices are supplied in a compact, low-profile SO-8 (Type CJ2) surface-mount package and operate in the -40°C to +150°C temperature range.

Standard-compliance versions, the AHC1724 and AHC1725, are also available and are suitable for industrial and commercial applications requiring accurate, galvanically isolated AC and DC measurements in harsh and high-temperature environments. Examples include switched-mode power supplies, load detection and management, HVAC systems, and overcurrent fault protection.

The AHC1724Q and AHC1725Q are shown for the first time at electronica 2026, alongside other technologies from Diodes that help engineers improve power efficiency in automotive and industrial power architectures.

The AHC1724Q is priced at $1.30 and the AHC1725Q is priced at $2.20 in 4,000-piece quantities.

Further information about Diodes’ Hall effect sensor portfolio is available at: https://www.diodes.com/products/amplifiers-and-sensors/sensors/current-sensors.

About Diodes Incorporated

Diodes Incorporated (Nasdaq: DIOD) delivers high-quality semiconductor products to the world’s leading companies in the automotive, industrial, computing, consumer electronics, and communications markets. We leverage our expanded product portfolio of analog and power solutions combined with a flexible hybrid manufacturing model to meet customers’ needs. Our broad range of application-specific products, delivered through a total solutions sales approach and supported by global operations including engineering, testing, manufacturing, and customer service, enable us to be a premier provider for high-growth markets. For more information, visit www.diodes.com.

*Automotive-compliant - AEC qualified, manufactured in facilities certified to IATF 16949, supporting PPAP documents.

The Diodes logo is a registered trademark of Diodes Incorporated in the United States and other countries.

All other trademarks are the property of their respective owners.

© 2026 Diodes Incorporated. All Rights Reserved.

View source version on businesswire.com: https://www.businesswire.com/news/home/20261110965413/en/

Company Contact:
Gurmeet Dhaliwal
Vice President, Corporate Marketing & Investor Relations
Diodes Incorporated
+1 408-232-9003
Contact Us

Source: Diodes Incorporated (P)

Key Terms

galvanically isolated technical

Galvanically isolated means two electrical systems are kept physically separate so there is no direct conductive path for electrical current between them. For investors this matters because isolation reduces the chance that a fault, interference, or ground loop in one system will damage the other, improving product reliability, safety and regulatory compliance—similar to how a sealed firewall prevents a house fire from spreading to the next unit, which can lower repair costs and liability risk.

chopper-stabilized technical

An amplifier design that removes low-frequency offset and drift by rapidly switching ("chopping") the input signal to a higher frequency, amplifying it, then switching it back; this shifts slow noise and DC errors away from the signal band so they can be filtered out. Common in precision analog front-ends and medical sensors, chopper-stabilized circuits reduce 1/f noise and long-term drift but require switching timing and filtering to manage switching artifacts and residual ripple.

ratiometric technical

Ratiometric describes a measurement method that compares two related signals and uses their ratio rather than a single raw value, which cancels out many sources of error like quantity of probe, lighting, or instrument sensitivity. For investors, ratiometric assays or sensors signal more reliable, reproducible data from diagnostics, lab tests, or monitoring devices—like using a speedometer that reports miles per hour relative to engine revolutions to avoid misleading readings—helping assess product performance and regulatory risk more confidently.