https://github.com/auralius/constant-current-drive

Constant current drive circuit
https://github.com/auralius/constant-current-drive

constant-current-driver-using-opamp pcb

Last synced: 5 months ago
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Constant current drive circuit

• Host: GitHub
• URL: https://github.com/auralius/constant-current-drive
• Owner: auralius
• Created: 2022-05-07T21:45:37.000Z (about 4 years ago)
• Default Branch: main
• Last Pushed: 2022-06-16T10:05:35.000Z (almost 4 years ago)
• Last Synced: 2025-02-01T10:27:20.513Z (over 1 year ago)
• Topics: constant-current-driver-using-opamp, pcb
• Language: AGS Script
• Homepage:
• Size: 481 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# constant-current-drive

This is a simple circuit for sending constant current to a load, even if the load is varying over time.

## Single-directional drive

### Schematic

This picture below shows the current-sink configuration. In the **ltspice folder**, the more common current-source configuration is used for simulations.  

Note: replace IRF540 with IRFZ44N   



### PCB

![](https://github.com/auralius/constant-current-drive/blob/main/eagle_pcb/pcb.png)

## Two-directional drive