TPS61165: This is a question about PWM control.

user6448843

Part Number: TPS61165

Tool/software:

The frequency range that can be set from the data sheet is 5kHz to 100kHz.

Is it possible to set the duty ratio to 1% to 100% throughout this frequency range?
(Does the duty ratio that can be set change depending on the frequency within this frequency range?)

4 months ago

+1 Patrick Yao 4 months ago

TI__Mastermind 34690 points

Hi,

Our expert will give you feedback later.

0 Hongjia-Wu 4 months ago

TI__Expert 6680 points

Hi,

As mentioned in DS Section 9.2.1.2.2 PWM Brightness Dimming, the device chops up the internal 200-mV reference voltage at the duty cycle of the PWM signal. The PWM duty cycle can be from 0 to 100% theoretically. However, for min duty cycle, it cannot be 0 because the device will enter shut down mode when CTRL LOW lasts for 2.5ms.

Hope it clarifies.

Regards,

Hongjia

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TPS61165: This is a question about PWM control.