Power Management
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Power Management

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  • Forum Post: Re: TPS65023 VRTC

    Daniel Acevedo
    Yes, the capacitor is needed on VRTC even if it is unused. VRTC may oscillate if the capacitor is not present. Also note, VRTC is an input to the comparator for /RESPWRON.
    on Aug 3, 2011

  • Wiki Page: TPS65023 VRTC Unused

    Daniel Acevedo
    Q: TPS65023 VRTC by 1116450 Does the TPS65023 need a capacitor on VRTC (pin 16) if VRTC is not used (floating)? A: Re: TPS65023 VRTC by 1129650 Yes, the capacitor is needed on VRTC even if it is unused. VRTC may oscillate if the capacitor is not present. Also note, VRTC is an input to the...
    on Aug 4, 2011

  • Wiki Page: TPS65030 SRP/TEST Unused Pin

    Daniel Acevedo
    Q: Regarding : TPS65030 + SRP/TEST by 1627563 Hello Team, This is regarding the Power management IC for USB - TPS65030 . Can I leave the Test SRP pin floating/openwith below settings ? or pulling it high is the only way to make the device operate in normal mode and not in test mode? In that case...
    on Aug 18, 2011

  • Wiki Page: TPS65023 VRTC Connection when Unused

    Daniel Acevedo
    Q: TPS65023 VRTC question et al. by 659599 Hello, About TPS65023 VRTC output, I found following description at E2E Website: "If they are not using the VRTC, I would simply connect a small ceramic cap on the VRTC output." Then could you let me know what minimum capacitor value will...
    on Sep 14, 2011

  • Wiki Page: TPS6507x Unused Thermistor, TS

    Daniel Acevedo
    Q: What should I do with the TS pin if the thermistor is not used? A: If the thermistor on pin TS are not used, a 10k-Ohm resistor should be connected from pin TS to ground.
    on Sep 19, 2011

  • Wiki Page: TPS6507x Unused wLED Boost Converter

    Daniel Acevedo
    Q: what should I do with the wLED Boost Converter pins if I am not using the white LED boost? A: Please make the following connections if the wLED Boost Converter of the TPS6507x is unused. L4 - to ground ISET1 - with a 100kohm resistor to ground ISET2 - with a 100kohm resistor to ground...
    on Sep 19, 2011

  • Wiki Page: TPS6507x Unused ISET Pin

    Daniel Acevedo
    Q: What do I do with the ISET pin if it is not used? A: The ISET pin should be connected to a 100k-Ohm resistor to ground if the pin is unused.
    on Sep 19, 2011

  • Wiki Page: TPS6507x Unused /RESET Pin

    Daniel Acevedo
    Q: How should I connect the /RESET pin if it is unused? A: The /RESET pin of the TPS6507x is an open drain output and should be connected to ground if it is not used.
    on Sep 19, 2011

  • Wiki Page: TPS6507x Unused BYPASS Pin

    Daniel Acevedo
    Q: What do I do with the BYPASS pin if it is unused? A: If the BYPASS pin is not used, connect 10uF capacitor from BYPASS to GND. BYPASS voltage is used as a reference fro the ADC and the charger. Do not leave this pin floating and do not connect directly to GND
    on Sep 19, 2011

  • Wiki Page: TPS6507x Unused INT_LDO Pin

    Daniel Acevedo
    Q: What do I do with the INT_LDO pin if it is not used? A: Connect a 2.2uF capacitor from INT_LDO to GND. INT_LDO is an internal reference. Do not leave this pin floating and do not connect directly to GND.
    on Sep 19, 2011

  • Wiki Page: TPS6507x Unused /INT Pin

    Daniel Acevedo
    Q: How should the /INT pin of the TPS6507x be connected if it is unused? A: The /INT pin of the TPS6507x is an open drain output and should be connected to ground if it is not used.
    on Sep 19, 2011

  • Wiki Page: TPS6507x Unused AC Pin

    Daniel Acevedo
    Q: What do I do with the AC pin if it is not used? A: If the AC pin of the TPS6507x is not used connect a 1uF capacitor from AC to GND.
    on Sep 19, 2011

  • Wiki Page: TPS6507x Unused ADC

    Daniel Acevedo
    Q: What do I do with the AD_IN1-4 pins if I am not using the ADC? A: If the ADC of the TPS6507x is unused, the inputs should be terminated to ground.
    on Sep 19, 2011

  • Wiki Page: TPS650732, TPS650731, TPS65073, TPS65072, TPS65070, TPS6507x, TPS65073x, TPS650xx no use terminals

    Daniel Acevedo
    Q: What should I do with the following unused TPS650732, TPS65070, TPS6507x pins? A: A/D converter inputs: AD_IN1~4: http://e2e.ti.com/support/power_management/pmu/w/design_notes/tps6507x-unused-adc.aspx wLED Boost Converter: If theTPS650732wLED (white light led driver) boost is not used...
    on Sep 19, 2011

  • Wiki Page: TPS6507x Unused THRESHOLD Pin

    Daniel Acevedo
    Q: How should I connect the THRESHOLD pin of the TPS6507x if it is not used? A: THRESHOLD is the input of the /RESET comparator. In the case where /RESET is not used, THRESHOLD could be either connected high (e.g. to SYS) or pulled low (to GND).
    on Sep 19, 2011

  • Wiki Page: TPS6507x Unused USB Pin

    Daniel Acevedo
    Q: What do I do with the USB pin if it is not used? A: Connect the USB pin of the TPS6507x to ground if it is unused.
    on Sep 19, 2011

  • Wiki Page: TPS65053 Unused DCDC Converter

    Daniel Acevedo
    Q: Unused DCDC converter, TPS65053 by 1163993 I am using the TPS65053 in a design but have no need for DCDC1. How should the L1 and FB_DCDC1 pins be connected if DCDC1 is not used? Q: Re: Unused DCDC converter, TPS65053 by 1129650 Note, VINDCDC1/2 must be connected to to the same potential as...
    on Oct 12, 2011

  • Wiki Page: TPS62110 unused open drain-output

    Michael Day
    Q: TPS62110 unused open drain-output by 1575317 Hi Team, Can I ground an unused open drain-outputs on an IC like the TPS62110 and generally other devices like TPS40170. Please advise. Regards, Yaser Q: Re: NU open drain-outputs on TPS62110 and TPS40170 by 10449 A true open drain output...
    on Nov 24, 2011

  • Wiki Page: TPS6507x Unused BAT Pin

    Daniel Acevedo
    Q: How should I connect the BAT pin if it is not used? A: When powering from AC or USB, if the BAT pin of the TPS6507x is not used, connect a 10uF ceramic capacitor to GND. Do not leave this pin floating and do not connect directly to GND.
    on May 22, 2012

  • Wiki Page: TPS6507x Unused VINLDO1/2 Pin

    Daniel Acevedo
    Q: What do I do with VINLDO1/2 if the pin is not used? A: If VINDLO1/2 is not used, connect the recommended 2.2 uF capacitor from VINLDO1/2 to GND and connect VINLDO1/2 to SYS. Do not leave this pin floating and do not connect directly to GND. The output of an LDO can be left open if the LDO is not...
    on Nov 12, 2012

  • Forum Post: LM5069 - Unused pins, UVLO and OVLO

    Kawai
    Team Please tell me what to do with the pins of UVLO and OVLO, when not using these functions. I understand that, UVLO pin should be pulled up to VIN, OVLO pin should be pulled down to GND, but, do you need pull up/down resistors ? If you do please tell me the recommended value. Best Regards...
    on Feb 18, 2013

  • Wiki Page: TPS6505x unused ldo

    Daniel Acevedo
    Q: TPS65053 unused ldo by 8157 Customer is using the TPS65053, but doesnt need LDO2 and 3. I sent them the following reply. Please verify that it is correct. I based it off of a previous post, and assumed that the TPS65053 and TPS65023 would have the same requirements. .... You can get rid of the...
    on Jun 7, 2013

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