A simple, fully floating LED current driver based on a VBE-referenced current source and a BJT current mirror. The circuit operates as either a current sink or source and supports output currents up to 100 mA. Note: R2 = R3. All resistors are ¼
| Authors | Luca Bruno |
| Main Document | Article «A fully floating BJT-based LED current driver» |
| Description | Figure 1 |
| File Format / Size | PDF / 15 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «A fully floating BJT-based LED current driver»
- Figure 1. A simple, fully floating LED current driver based on a VBE-referenced current source and a BJT current mirror. The circuit operates as either a current sink or source and supports output currents up to 100 mA. Note: R2 = R3. All resistors are ¼
- Figure 2. High-side and low-side operating configurations enabled by the fully floating nature of the LED driver