描述
CQ3300 Coreless Current Sensor
High-Accuracy Galvanic Isolation meets Ultra-Fast Response – The Professional Open-Loop Current IC Choice for Next-Gen Power Electronics.
// Premium Small Footprint High-Bandwidth Telemetry Core Portfolio
The Coreless Current Sensing Advantage
The CQ3300 represents a premier flagship solution for space-constrained, high-efficiency embedded power systems demanding absolute linear tracking and high-voltage galvanic isolation. Engineered by AKM using an innovative coreless design architecture, this magnetic open-loop current sensor IC eliminates magnetic hysteresis errors and drastically optimizes structural response times. Housed in a low-profile surface-mount package layout, it secures pure, deterministic current tracking and overload protection for high-density modern inverters.
- Coreless design concept completely eliminating magnetic core saturation risks
- Ultra-fast response time profiles ensuring instantaneous overcurrent detection
- Excellent thermal stability maintaining robust precision across temperature extremes
Key Performance Advantages
Galvanic Isolation
Provides reliable built-in high-voltage isolation boundaries, safely protecting delicate low-voltage control microcontrollers from power grid surge anomalies.
Ultra-Fast Response
Delivers microsecond-level signal tracking capabilities, executing swift shutdown protocols during severe localized short-circuit fault loops.
High Linear Accuracy
Maintains premium low-error measurement thresholds over its entire sensor range, securing fine-grained energy consumption tracking markers.
Technical Specifications
| Parameter Node | Detailed Engineering Specification |
|---|---|
| Manufacturer | Asahi Kasei Microdevices (AKM) |
| Part Number (MPN) | CQ3300 |
| Product Category | High-Accuracy Coreless Open-Loop Current Sensors |
| Sensor Type | Magnetic Hall Effect Open-Loop Current IC Architecture |
| Isolation Features | Galvanic High-Voltage Isolation Protection Boundary |
| Output Profile | Ratiometric Linear Analog Voltage Output Signal |
| Core Supply Rails | Standard Single Supply Operation Node |
| Design Feature | Coreless Mechanism Eliminating Magnetic Hysteresis Residuals |
| Package Outline | Surface-Mount Small Form-Factor Layout (Lead-Free/RoHS Compliance) |
| Temperature Spectrum | Extended Performance Industrial Operation Bounds (-40°C to +110°C) |
Versatile Telemetry Applications
- Industrial Inverter Systems: Primary AC motor speed drive current loops and phase current monitoring arrays.
- Renewable Energy Systems: Optimizes current acquisition inside photovoltaic solar inverters and battery tracking systems.
- Power Supply Modules: Serves as a high-speed telemetry sensor loop inside industrial Switched-Mode Power Supplies (SMPS).
- Overcurrent Safety Interlocks: Facilitates ultra-fast fault reporting loops for high-density distribution circuit breaker boards.
Industrial Quality Protections
100% Original Sourcing: Procured securely through fully audited tier-1 franchise lines, completely ensuring anti-counterfeit protection.
Anti-Static Handling: Stored and picked in full alignment with international ANSI/ESD cleanroom facility benchmarks.
Full Batch Traceability: Verified via intensive certificate analysis and rigorous documentation tracking prior to export dispatch.
HIGH-ACCURACY TELEMETRY SENSING SOLUTIONS // DIRECT SOURCE ARCHITECTURE


