The QCPL-4514-060E is a precision miniature isolation amplifier manufactured by Avago Technologies (now Broadcom). It is designed for accurate current and voltage sensing in electronic power conversion systems, providing galvanic isolation between the high-voltage and low-voltage sides. It is known for its high linearity and stability over a wide temperature range.
Applications:
- Current sensing in motor drives
- Voltage sensing in power inverters
- Power supply feedback control
- Isolated data acquisition
- Medical equipment
- Renewable energy systems
Features:
- High linearity
- Galvanic isolation
- Low offset drift
- Wide operating temperature range
- Compact package
- High common-mode transient immunity (CMTI)
Benefits:
- Accurate and reliable current and voltage measurements
- Improved system performance and efficiency
- Enhanced safety and protection against high voltage
- Simplified circuit design
- Reduced component count
Additional Details:
The high linearity of the QCPL-4514-060E ensures that the output signal accurately reflects the input current or voltage. The galvanic isolation provides electrical isolation between the high-voltage and low-voltage sides, protecting sensitive control circuitry. The low offset drift ensures stable performance over temperature variations. The compact package saves board space. High common-mode transient immunity (CMTI) minimizes the effects of noise and transients on the output signal. The datasheet provides detailed electrical characteristics, application circuits, and performance graphs. Proper external component selection, such as the sense resistor, is crucial for optimal performance. The QCPL-4514-060E provides a reliable and accurate solution for current and voltage sensing in a wide range of applications, especially where isolation and precision are critical.