AFE4403 LED_DRV_SUP pin

onechil

Other Parts Discussed in Thread: AFE4403

Fig. 52 of the AFE4403 datasheet suggests that in a push-pull LED drive configuration, the LED_DRV_SUP pin can be left floating. Is this a correct interpretation? Note that Fig. 54 of the AFE4403 datasheet suggests that the LED current control DAC subsystem gets power from the LED_DRV_SUP.

over 10 years ago

0 Chuck Smyth over 10 years ago

TI__Expert 6320 points

Hi Onechil,

We have received your post and will be responding soon.

Thanks,

Chuck Smyth

0 Praveen Aroul over 10 years ago

TI__Mastermind 49956 points

LED_DRV_SUP cannot be left floating.
Figure 52 is an illustration to show the common anode LED configuration and does not portray the internal architecture of the transmit block.
Thanks for pointing it out anyways. We will resolve this in the next datasheet revision.

0 onechil over 10 years ago in reply to Praveen Aroul

Prodigy 110 points

Sounds good, thank you.

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AFE4403 LED_DRV_SUP pin