ADP5080 Gerber file and some questions about spec

Hi ADI Expert,

Can you please kindly share the gerber file of ADP5080 to me? Thanks!!

And I have some questions about ADP5080's spec, can you please kindly help to answer my questions as below :

1. CLKO is the internal switching clock used for Channel 1,

    What's the function of this pin usually be used for? Can we provide this frequency to another device ?

2. EN pin's maximum VIH (EN) is 2.15V, can I control this enable pin if my controller I2C interface is 1.8V IO voltage domain? And why EN34 pin's maximum VIH (EN) is different from EN pin?


3. How would you suggest us to set's Charge Pump output voltage for best efficiency if only use for driving FETs?

4. Do we have tool to simulate if we all use 2.2uH conductor at output side?


5. Can we disable LDO1 & LDO2? If yes, how's the Iq when LDO1/LDO2 are both disable and EN is low?

6. Can we use Channel 7 LDO with 10V/35mA if I adjust current limit higher?

Look forward to your kindly feedback!

Henry Tang

  • 0
    •  Analog Employees 
    on Dec 4, 2017 11:05 AM over 3 years ago

    Hi Henry,

    1.   CLKO is the internal switching clock used for Channel 1,

        What's the function of this pin usually be used for? Can we provide this frequency to another device ?TK) The purpose of this pin is to provide the internal CLK (=switching frequency ) to the other devices for synchronization.

    1. EN pin's maximum VIH (EN)is 2.15V, can I control this enable pin if my controller I2C interface is 1.8V IO voltage domain? And why EN34 pin's maximum VIH (EN)is different from EN pin?TK) No, it should be higher than 2.15V to be recognized to be “Hi”. I believe EN pins is used for other voltage rail like keep alive LDO domain (VREG1) in the system. EN34 is for fuse option to control channel 3 and 4 independently and this is one of option.
    2. How would you suggest us to set's Charge Pump output voltage for best efficiency if only use for driving FETs?TK) Charge pump voltage should be VBATT + VDR as shown on the datasheet to operate correctly.
    3. Do we have tool to simulate if we all use 2.2uH conductor at output side?TK) No, we don’t have the tool to simulate w/ this product.
    4. Can we disable LDO1 & LDO2? If yes, how's the Iq when LDO1/LDO2 are both disable and EN is low?TK) No, LDO1 and 2 have used for internal voltage which called VDD. 
    5. Can we use Channel 7 LDO with 10V/35mA if I adjust current limit higher?TK) No, we cant adjust the current limit for LDO7. However typical current limit is 50mA.

    Do you have email address that I can send you the file? Thanks.

  • Hi Leo,

    Thanks very much for your reply, my e-mail address is henry.tang@arrowasia.com

    Thanks for your help!!

    Henry Tang

  • Hi leo,

     

    I have not received, may you please kindly help to send it again?

    My e-mail address is henry.tang@arrowasia.com

     

    Thanks for your help!!

     

    Henry Tang

  • Hi leo,

    May you please help to check will ADP5080 have leakage if I connect Ch5 output to 3.3V when ADP5080 is standby mode? Thank you!!

    Henry Tang

  • 0
    •  Analog Employees 
    on Dec 19, 2017 1:06 PM over 3 years ago

    Hi Henry,

    I just sent you the file. Please check it. Can we use the mail instead of forum.

    Thanks.

    Leo

    Regards,