TPS61500: What's is "Pure PWM"?

diverger

Part Number: TPS61500
Other Parts Discussed in Thread: TPS61165

Hi,

In Analog PWM Dimming in White-LED Drivers (ti.com), it mentions 'True PWM'. And in TPS61500, it mentions 'Pure PWM'. Are they same? And what's the PWM type used in TPS61165?

Thanks.

+1 Patrick Yao over 2 years ago

Hi diverger,

"True PWM" and "Pure PWM" are same. Turning on/off LED to acquire expected average current.

In TPS61165, the control signal is PWM, but the output is analog.

Patrick

0 diverger over 2 years ago in reply to Patrick Yao

Expert 1215 points

Is the PWM mode in TPS61165 the same with the 'Analog Dimming' method in TPS61500?

Thanks.

0 Patrick Yao over 2 years ago in reply to diverger

Hi diverger,

Yes, it's the same.

Patrick

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