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  • Forum Post: Power Management Unit suitable for TMS320DM365

    AKV
    Hi I need a Power management IC.My requirement is as follows. Can you please suggest a suitable single chip TI part? Number of Channels required-6 (4 DCDC Converters+2 LDOs) DCDC1 Output-Fixed or adjustable to 1.35V/1A for DM365 processor DCDC2 Output-Fixed or adjustable to...
    on Jul 22, 2010

  • Forum Post: TPS65251 PGOOD & Reset conditions ?

    kim young hun
    Hello , Dear Q1) Why recommended to use pull-up resistor from the PGOD to the output of buck1 ? Another side effect buck 1,2,3 ? Q2) Reset conditions? Datasheet conditions : Measured after the later of buck 1 or buck 3 power-up successfully I think buck 1,2,3 AND mod . I...
    on Jan 10, 2011

  • Forum Post: TPS65251 PGOOD Question ?

    kim young hun
    Hello , Dear 1. If you use 2 chips pull-up, whar should i do ? or 1chips pull-up? I think , there is no problem because active high 2. When using an external power supply that you can use the pull-up? [The PGOOD is pulled up when all three buck converters’ outputs are more than 90...
    on Jan 13, 2011

  • Forum Post: TPS65232 Question ?

    kim young hun
    Hello Dear 1. what is the minimum voltage for BUCK1 ? datasheet : 3.3V(min), 6.1V(max) 2. why is the differnet EVM reference and datasheet ? 3. 1.8V output from BUCK1 possible
    on Jan 18, 2011

  • Forum Post: TPS65070 Powered From 3.3V on SYS?

    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 prefer to use 3.3V since the datasheet curves indicate...
    on Apr 20, 2011

  • Forum Post: omapl138 core voltage 1.3V at 456MHz

    ben zhan
    Hi, I want to run my omapl138 board at 456MHz, but the core voltage is 1.3V , is there a PMIC to be suggested? I checked the power supply reference designs from the Analog eLAB,but all of them focus on core voltage 1.2V. Thanks!
    on Jun 8, 2011

  • Forum Post: tps65070 capacitance on touch lines

    Ray Kampmeier
    The TPS65070 datasheet states on page 10 that total capacitance at pins TSX1,TSX2,TSY1,TSY2 to GND is 100pF. If this the characteristic capacitance on the device? Or is 100pF the max capacitance that can be placed on the TSX1,TSX2,TSY1 and TSY2 lines?
    on Jul 6, 2011

  • Forum Post: tps65070 capacitance on touch lines

    Ray Kampmeier
    For ESD measures, I have added capacitors between the tps65070 touch lines and ground . At what value capacitance will I start seeing problems with my touch screen's performance? The touch screen has an X plate resistance of 300ohm and a Y plate resistance of 450ohm thanks
    on Jul 12, 2011

  • Forum Post: TPS65073 -- won't power off properly or turn back on

    Quentin Davis
    I'm trying to use the TPS65073, and when trying to turn it off I apparently can't get out of the state POWER OFF 3 from Figure 33 of the datasheet -- SYS is still powered and it won't turn back on unless I remove all power sources. As shown in the figure below, the PB_IN node is pulled...
    on Aug 26, 2011

  • Forum Post: TPS65073 -- won't turn on without a battery

    Quentin Davis
    I'm trying to use the TPS65073 in a battery-powered product that can also be attached to an "AC" power source or USB power. I'm worried about the condition where the battery is dead/broken, but the user still wants to turn it on via USB power or wall-wart power. As shown in the figure...
    on Aug 31, 2011

  • Forum Post: Maximum output current of TPS65070

    Pankaj katiyar
    Hi All, I am planning to use TPS65070 to power up OMAP L138. as per there recommendation I have configured DCDC1 to 3.3v output. If I go through the datasheet it list two possible current paramtere 1. Minimum Output current which is 600 mA This is must drain current to have good load regulation...
    on Feb 28, 2012

  • Forum Post: VIO voltage limits for TPS65217B

    Calum Mackinnon
    The reference manuals always have VIO connected to VDCDC1 which is 1.8V I assume it can be 3.3V? Also there are no limits defined for VIO - can it be 5V? Cheers Calum
    on Apr 13, 2012

  • Forum Post: TPS65023 VDC3 output voltage changing

    Clay Shoup
    We are using a TPS65023 PMIC chip to power an AM3505AZCN processor. On some of the boards (3 of the 4 tested), the 1.8V_VDC3 (DDR Power) rail is acting strangely. At powerup, it goes to 1.8V, as expected. However, on some boards, it will switch to about 2.5V after about 400 msec, and stay there. If...
    on Apr 24, 2012

  • Forum Post: RE: TWL6030 just shuts down after power up

    Hans Little
    Hi Hariseran, hi Ole, we are having exactly the same problem with our board! The PMIC we are using is TWL6030B107CMR and the processor is OMAP4430 ES 2.2 I will be really appreciated, if you have solve this problem! Best regards, Hans
    on Aug 5, 2012

  • Forum Post: Programming TPS65217B for the first time!

    Konstantinos Tsimpoukas
    Hi all I have a board that looks like beaglebone and am3359 EVM from TI (this board is my design) Both of them they use the TPS65217B PMIC, Normally the TPS65217B is getting programmed from the kernel, but when you make a new board with new components like me now, the TPS65217B is not programmed...
    on Sep 10, 2012

  • Forum Post: TPS65217 GUI Installation Issues

    Eric Eckenrode
    Hello, I have downloaded the lastest TPS65217 GUI software (slvc.402.zip). I have unzipped the software and tried to install the software (Ifollowing the instrucitons in the TPS65217_GUI_software_installation.pdf ) . When I click on the setup.exe file I immediately get a Windows Explorer has stopped...
    on Nov 5, 2012

  • Forum Post: IMX53 TPS659106

    Puneet Gupta89759
    Hello All, We are evaluating different PMIC solutions for IMX53, can TPS659106 meet IMX53 maximum power requirements? Is there any reference design available using IMX53 and TPS659106? The maximum core power consumption for IMX53 is about 1700mA and TPS659106 switchers rated for 1500mA (minimum...
    on Jul 3, 2012

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