TPS92515: Buck mode LED driver support camera flash/strobe

Terry Wu2

Part Number: TPS92515
Other Parts Discussed in Thread: LM3410

Hello Sirs,

Can tps9251x series Buck mode LED driver support camera flash/strobe function ? (add external discrete circuit also OK )

Like LM3410 this schematic . TKS !

over 5 years ago

0 Irwin Nederbragt over 5 years ago

TI__Mastermind 28655 points

Hello Terry,

It can but it depends on how much current you are trying to strobe/flash. This can be done with PWM dimming or Shunt FET dimming depending on how accurate it needs to be. At high pulse current Shunt FET dimming may be too inefficient.

Best Regards,

0 Irwin Nederbragt over 5 years ago in reply to Irwin Nederbragt

TI__Mastermind 28655 points

Hello,

I have not heard back from you so I believe you may have solved the issue.
The thread will close now but will reopen if you reply.

Best Regards,

0 Terry Wu2 over 5 years ago in reply to Irwin Nederbragt

Expert 2110 points

Hello Irwin,
Got it. Many thanks your help ~

Power management

Power management forum

TPS92515: Buck mode LED driver support camera flash/strobe