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LM3435: I2C Operation during LM3435 Disabled with EN pin

Part Number: LM3435
Other Parts Discussed in Thread: LM3549

[ LM3435 ] I2C Operation during LM3435 Disabled with EN pin

Hi,

As my understanding, the I2C function block of LM3435 is suspended during LM3435 is in SHUTDOWN mode with EN = Low.
Is that true?

My customer would like to turn on and off LED with register information is maintained.
In order to support this, I have two ideas.

1: Using RCTRL, GCTRL, BCTRL pins to control output channels

2: Setting LED current registers to zero through I2C

Do you have any other ideas to support customer system configuration?

Thank you for your support in advance.
Regards,
Ken