Parallel LT3932 1.5 A LED drivers yield 3 A machine vision LED pulses with long off-times relative to standard PWM dimming frequencies
| Authors | Keith Szolusha, Kyle Lawrence |
| Main Document | Article «LED Driver for High Power Machine Vision Flash» |
| Description | Figure 2 |
| File Format / Size | PDF / 46 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «LED Driver for High Power Machine Vision Flash»
- Figure 1. An example of machine vision on an industrial conveyor belt. Inspection systems move at many different speeds, yet the flash technology must be fast and crisp
- Figure 2. Parallel LT3932 1.5 A LED drivers yield 3 A machine vision LED pulses with long off-times relative to standard PWM dimming frequencies
- Figure 3. 3 A camera flash waveform of Figure 1's parallel LED drivers looks the same regardless of the amount of PWM off-time. Waveforms show that a 10 µs pulse after (a) 10 ms and after (b) one second are the same. The LT3932 LED flash also looks the same a
