Description
The HCPL-7800 is a high-performance, optically coupled isolation amplifier specifically designed for current sensing in electronic motor drives. In applications where motor currents must be measured in the presence of high-voltage switching, the HCPL-7800 provides the necessary galvanic isolation to protect sensitive control circuitry while maintaining high accuracy.
This device features a fully differential circuit that minimizes common-mode interference and offers an excellent linearity performance. Its robust design is ideal for industrial power control, allowing for reliable monitoring of current in hazardous high-voltage environments.
Note: Product images are shown for reference only. The actual product may vary in appearance, manufacturer marking, or logo depending on stock availability. For complete electrical characteristics, safety rating certifications, and typical application schematics, please refer to the datasheet available in the Attachment section.
Features
- Optically coupled isolation amplifier
- Optimized for motor phase current sensing
- High common-mode rejection (CMRR)
- Excellent linearity and gain accuracy
- Low offset voltage
- Wide operating temperature range
- Compact 8-pin SMD package
Benefits
- Safety & Protection: Provides essential galvanic isolation between high-voltage power stages and low-voltage control electronics.
- Precision Monitoring: High linearity ensures accurate current measurement, leading to better motor control and efficiency.
- Noise Immunity: Advanced isolation technology effectively blocks switching noise, resulting in clean signal acquisition.
Applications
- Motor Phase Current Sensing
- Inverter Current Measurement
- Industrial Power Control Systems
- Switched-Mode Power Supplies (SMPS)
- General-Purpose High-Voltage Isolation
Package Includes
- 1 x HCPL-7800 Isolation Amplifier IC (SMD-8 Package)
Specifications
| Parameter | Specification |
|---|---|
| Product Name | HCPL-7800 Isolation Amplifier IC |
| Device Type | Optically Coupled Isolation Amp |
| Package / Case | SMD-8 |
| Mounting Type | Surface Mount (SMD) |







