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TI Home » TI E2E Community » Support Forums » Power Management » PMU » PMU Forum » All Tags » 3.3V
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Welcome to the PMU Section of the TI E2E Support Community. Ask questions, share knowledge, explore ideas, and help solve problems with fellow engineers. To post a question, click on the forum tab then "New Post".

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3.3V
  • BAT
  • battery
  • charger not used
  • charger unused
  • DCDC1
  • DCDC1_EN
  • DCDC3
  • DEFDCDC1
  • DEFDCDC2
  • DEFDCDC3
  • no charger
  • SYS
  • TPS65070
  • TPS6507x
Related Posts
  • Forum Post: Re: TPS65070 Powered From 3.3V on SYS?

    Daniel Acevedo Daniel Acevedo
    Scott, See my comments below: Scott Burton Hello Forum, In my TPS65070 design I plan to power the TPS65070 from a 12V source via a DC/DC converter. This DC/DC converter output could be either 5V or 3.3V, since I already require both of these rails for other loads in my design. However, I’d...
    on Apr 20, 2011
  • Forum Post: RE: TPS65070 AC enabled

    Boris Ruvinsky Boris Ruvinsky
    Hi Daniel. Thank you for you help. The scenarion for the questions 6:9 is a little different: 1. VSYS is stable - AC Power is enabled 2. SW accidently changed the state of CON_CTRL1_bit[4:2] to disable DCDC1, DCDC2, DCDC3. SW Set bit[4:2]='0". 3. DCDC2 and DCDC3 are automatically sequencing...
    on Jun 1, 2012
  • Forum Post: RE: TPS65070 AC enabled

    Boris Ruvinsky Boris Ruvinsky
    Hi Daniel. Thank you for your help. 1. Can you please explain in more details? 2. If I understood correctly - DCDC1 will restart automatically after CON_CTRL1[4] set to '0' (DCDC1 disabled). Is it correct? 3. What about DCDC2 and DCDC3. Can they be disabled by SW - CON_CTRL1[3:2]=00?...
    on Jun 4, 2012
  • Forum Post: RE: TPS65070 Power management IC configuration

    tarik mokafih tarik mokafih
    Yes Michael, I already done all those steps many times, every things seems ok, but when I check VDCDC1 ouput with a multimeter it never exceds 0.8V and the SYS output always gives around 5V (for the moment I'm using no battery, I'm power the chip directely from the USB input) .
    on Dec 4, 2012
  • Forum Post: TPS65070 Power management IC configuration

    tarik mokafih tarik mokafih
    Hi, We are currently evaluating the TPS65070 PMIC, using the TPS65070 EVM , And we wonder how could we get 3.3V on VDCDC1 outpout , we wish also to turn on a LED when the battery voltage is weak ( battery almost empty). Any help will be appreciated. I enabled the DCDC1 converter trough the CON_CTRL1...
    on Dec 3, 2012
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