TPS61165: TPS61165 PWM Dimming

Mark Chen52

Part Number: TPS61165

Hi Expert,

I saw that optimum performance of PWM Dimming frequency range is 6.5k to 100k Hz, could you help to know PWM Dimming frequency impact in design? what's the impact when set low or high PWM Dimming frequency ?

Thanks,

Mark

over 5 years ago

0 Sean Zhou over 5 years ago

TI__Mastermind 22745 points

Hi Mark,

The dimming frequency is limited by our internal RC filter, 6.5kHz to 100kHz was designed and verified by our team. There is no big effect on the different dimming frequency.

Sean

0 Mark Chen52 over 5 years ago in reply to Sean Zhou

TI__Expert 8005 points

Thanks Sean for quick response,

Does it no impact to efficiency and Brightness?

Regards,

Mark

0 Sean Zhou over 5 years ago in reply to Mark Chen52

TI__Mastermind 22745 points

Hi Mark,

Yes, it has no impact on the efficiency and brightness.

Sean

Power management

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TPS61165: TPS61165 PWM Dimming