The HYCA-01 from Wenzhou Heyi Electrical Co., Ltd. is a precision residual current detection module designed for safety-critical applications.
This compact PCB-mounted solution offers comprehensive AC/DC leakage current monitoring with advanced self-test capabilities, making it particularly suitable for electric vehicle charging infrastructure and industrial power systems.
HYCA-01 Advantages:
· Dual Output Indication: Features both X6-OUT (DC trip) and X30-OUT (AC trip) for comprehensive fault detection
· Precision PWM Output: Provides 8kHz PWM signal with 3.33%/mADC resolution (0-30mADC range)
· Advanced Self-Test: Integrated calibration and verification system with simulated 6.53mADC test current
· Hysteresis Protection: Intelligent flip thresholds (100% trip/55% recovery) prevent signal oscillation
· Compact Integration: PCB-mounted design optimizes space utilizatio
HYCA-01 Recommended For:
· Ground fault detection in industrial equipment
· Leakage current monitoring in power converters
· Compact EV charging stations (motorcycles, bicycles)
· Systems requiring precise DC residual current measurement
HYCA-01 Technical Specifications:
Electrical Characteristics
· Supply Voltage: 4.85V – 5.15V (5V typical)
· Power Consumption: ≤110mW (static)
· Output Drive Capability: >100mA
· Power Supply Ripple: ≤150mV (LDO recommended, e.g., LP2985A-50DB)
Current Ratings
· Primary Nominal RMS Current:
· Residual Current Detection Range:
Output Signals
· X6-OUT (DC Trip Output): Open-drain, high-impedance when DC > 4.5mA or system fault
· X30-OUT (AC Trip Output): Open-drain, high-impedance when AC > 22mA or system fault
· PWM Output: 8kHz signal, 3.33%/mADC duty cycle resolution (0–30mA range, ±0.5mA accuracy)
· Error Output: Open-collector, high-impedance on system fault
Environmental & Reliability
· Operating Temperature: -40°C to +85°C
· Storage Temperature: -20°C to +65°C
· Operating Altitude: Up to 4000m
· Design Life: 20 years (theoretical)
Safety & Insulation
· Electrical Clearance:
· Creepage Distance:
Timing Characteristics
· Response Time (Trip Times):
Self-Test & Calibration
· Test Input (TEST-IN): Triggers zero-point calibration and self-test (requires 50–100ms pulse)
· Simulated Test Current: 6.53mADC (generated internally for validation)
· Hysteresis Thresholds:
Mechanical & Installation
· Mounting: PCB-integrated design
· Pin Count: 8-pin interface (including N.C. pin)
Compliance & Standards
· Standards: IEC 62752, IEC 62955 (RDC-PD)
· Environmental: RoHS/REACH compliant
