Current Sensing Modules

Hall Shunt Module (HSM-800)

Dual-Channel Redundant Current Sensing for Functional Safety Applications

High-Accuracy Current Sensing with Redundancy Built In

Engineered for ASIL-compliant and ISO 26262-certified systems.

Dual-Sensor Smart Current Monitoring for Fail-Safe EV Systems

The HSM-800 integrates precision Cu-Mn shunt sensing with galvanically isolated Hall effect technology to deliver redundant, high-accuracy current measurement. Built for safety-critical EV applications, it also features an embedded PT100 sensor for real-time temperature tracking and advanced battery diagnostics including SOC, SOH, and SOF.

Electrical & Performance Specifications

Parameter	Value	Unit
Peak Input Current Range	±800	A
Continuous Input Current	±380	A
Cu-Mn Shunt Resistance	100	μOhm
Hall Sensor Sensitivity	2.50	mV/A
Operating Temperature Range	-50…±150	°C
PT100 Temperature Sensor	100	Ohm

Designed for Safety and Performance

Core Components of the HSM-800

Cu-Mn Shunt Resistor

Enables precise analog current measurement with minimal resistance and thermal drift.

Galvanically Isolated Hall Sensor

Provides fully redundant digital current measurement with high sensitivity (2.50 mV/A).

PT100 Temperature Sensor

Monitors ambient conditions to support thermal compensation and SOC/SOH calculations.

Robust Construction

Optimized for high-voltage environments, rugged usage, and elevated operating temperatures.

Applications

Ideal for Remote and Autonomous Applications

High Voltage Battery Monitoring

Accurate current flow tracking in traction and auxiliary battery systems.

Electric & Hybrid Electric Vehicles (EV / HEV)

Complies with functional safety standards for vehicle electrification platforms.

Junction Boxes & Battery Management Units

Redundant current sensing enhances fault detection and system diagnostics.

Renewable Energy Storage

Applied in smart inverters and battery-powered equipment requiring reliability.

Trust, Reliability & Quality

ISO 45001

Occupational Health and Safety (OH&S) management systems

ISO 14001

Environmental Management Systems (EMS)

ISO 9001

Quality Management Systems (QMS)

IATF 16949

International Standard for Automotive Management Systems

AS 9100

Aerospace Quality Management System (QMS)

Frequently Asked Questions

: The combination provides redundancy, allowing one system to back up the other. Shunt offers high precision, while the Hall sensor adds galvanic isolation and digital measurement capabilities.