Overview
Employing open-loop Hall-effect technology, the HC7C series delivers precise measurement of DC/AC currents (0 to ±1200A). Designed for critical applications in new energy vehicles (NEVs), it provides high-accuracy current monitoring and control support for generators, inverters, and automotive electronic control systems (ECUs).Key Features
- Precision Measurement：Utilizes advanced Hall-effect sensing with calibration technology and reinforced insulation design, maintaining high-accuracy current measurement under extreme temperatures (-40°C to +125°C) and complex operating conditions13.
- Extended Measurement Range：Supports ±1200A current detection, addressing high-power demands in automotive electronic systems with flexible integration solutions14.
- Rapid Dynamic Response：Achieves ultra-low latency with 40kHz bandwidth for real-time current tracking, enhancing system stability and efficiency13.
- Enhanced Reliability：Validated minimal thermal/sensitivity drift through rigorous testing, ensuring prolonged operational stability in harsh environments.
Application
1. EV Powertrains
- Inverter Current Sensing: Monitors phase currents with ±0.5° phase accuracy, optimizing FOC control
- DC/DC Converters: Provides ±5mA resolution for 48V/400V bus voltage regulation
- Regenerative Braking: Extends range by 7-12% through precise energy recovery control
2. HEV Systems
- Starter-Generator Control: 200kHz sampling rate for cranking current detection
- DC Busbar Protection: Isolated measurement for ISO 6469-3 compliant fault detection
3. Automotive ECUs
- Safety Systems: <100μs overcurrent response for ASIL-C compliant protection
- Energy Management: CAN FD interface (8Mbps) for battery SOC calculation
Details Image
Current Sensor & IGBT Module Assembly Schematic
