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HSNBV-D03

  • MacroQuest Part#HSNBV-D03
  • ManufacturerLEM USA Inc.
  • Standard Lead TimeNA
  • Part StatusNA
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    Description FAQ Review
    Description

    HSNBV-D03 Open-Loop Hall Effect Current Sensor — Precision Current Sensing for Intelligent Electric Vehicles

     

    HSNBV-D03 Product Overview

    The HSNBV-D03 is an open-loop Hall effect current sensor developed by ‌LEM‌, a global leader in electrical measurement, specifically for high-power automotive systems including Battery Management Systems (BMS), electric motor inverters, and DC-DC converters. Designed for dual-range operation (700 A / 200 A), it delivers isolated, proportional voltage output under a single +5 V supply. With its compact PCB-mountable design, extended operating temperature range (-40°C to +125°C), and ultra-low non-linearity, the HSNBV-D03 ensures reliable, high-fidelity current measurement in the most demanding EV environments — making it the sensor of choice for next-generation automotive energy systems.

     

    HSNBV-D03 Core Features & Technical Advantages

    Dual-Range Intelligent Switching‌ — Seamlessly transitions between 700 A (high range) and 200 A (low range), eliminating the need for multiple sensors across diverse current profiles

    ±0.1% Ultra-High Linearity‌ — Enables precise State-of-Charge (SOC) and State-of-Health (SOH) estimation in BMS applications with minimal measurement drift

    300 ns Fast Response Time‌ — Captures transient current spikes from IGBT switching, enabling real-time fault detection and high-speed closed-loop control

    Extended Operating Temperature: -40°C to +125°C‌ — Fully qualified for deployment in engine compartments, battery packs, and under-hood electronics without external thermal management

    Single +5 V Supply Voltage‌ — Direct compatibility with automotive MCUs and analog front-end (AFE) ICs, simplifying power architecture and reducing BOM complexity

    Enhanced EMI Immunity‌ — Integrated magnetic shielding and differential output architecture suppress noise from motors, inverters, and switching power supplies

    AEC-Q100 Qualified Design‌ — Built to meet automotive reliability standards; materials, processes, and testing protocols align with ISO/TS 16949 and IATF 16949 requirements

     

    HSNBV-D03 Technical Specifications

     

    Parameter

    Specification

    Rated Current

    700 A (High Range) / 200 A (Low Range)

    Measurement Range

    ±1000 A (Peak)

    Output Signal

    Proportional Voltage (0.5 V – 4.5 V @ 5 V Supply)

    Linearity

    ≤ ±0.1%

    Response Time

    ≤ 300 ns

    Supply Voltage

    +5 V DC (Single Supply)

    Operating Temperature

    -40°C to +125°C

    Isolation Voltage

    ≥ 3 kV RMS

    Zero-Point Drift

    < ±5 mV (25°C, 24 h)

    Power Consumption

    ≤ 9 mA (Typical)

    Mounting Type

    PCB Through-Hole (Disc-Style)

    Enclosure Protection

    IP67 (Internal Sealing)

    Compliance

    Designed to AEC-Q100 Automotive Grade Standards

     

     

    HSNBV-D03 Typical Applications

    Battery Management Systems (BMS)‌ — Accurate monitoring of pack charge/discharge currents for SOC/SOH estimation and overcurrent protection

    Electric Drive Inverters‌ — Real-time phase current feedback for vector control and fault diagnostics

    Onboard Chargers (OBC)‌ — Input/output current sensing in AC/DC conversion stages

    DC-DC Converters‌ — Monitoring high-to-low voltage conversion loops for stable low-voltage rail regulation

    Thermal Management Systems‌ — Tracking current draw of PTC heaters and coolant pumps

    ADAS Domain Controllers‌ — Ensuring safe power delivery to high-performance AI processors

    The HSNBV-D03 is currently being evaluated and adopted by Tier-2 suppliers for EV platforms from BYD, NIO, and XPeng as a high-performance, cost-optimized alternative to traditional shunt-based solutions.

     

     

    Why Choose the HSNBV-D03?

    Choosing the HSNBV-D03 means choosing:

    Reduced Component Count‌ — One sensor replaces two single-range units, cutting PCB area and assembly cost

    Faster Time-to-Market‌ — Standard +5 V interface enables rapid BMS prototyping without custom power design

     

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    Q:Are all the parts new and original?
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    Q:How long is your warranty?
    -A:We offer a 1 year warranty for form fit and function for MacroQuest stock. 


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    Bard
    Apr 11, 2026
    We have done a few deals with them and all the parts came in new and original.
    Hamiltion
    Mar 03, 2026
    Simon is good about giving conditions of his parts and works hard to meet my target prices. We've done some big deals together with no problems.
    Xavier
    Jan 02, 2026
    It was great doing business with Macroquest. We had a smooth transaction and delivery was prompt plus goods were properly packed.
    Winslow
    Aug 12, 2025
    Highly recommended partner.
    Gambit
    May 18, 2025
    Carefully packaged, and trustworthy!
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