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Power management

Power management

Power management forum

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Texas Instruments (TI) Power management support forum is an extensive online knowledge base where millions of technical questions and solutions are available 24/7. You can search power management IC content or ask technical support questions on everything from linear and DC/DC switching regulators to battery management and LED drivers. Find the right solution for your circuit design challenges by using our TI E2E™ support forums that are supported by thousands of contributing TI experts.
Frequent questions
  • [FAQ] TPS650330-Q1: How can I get Function Safety documents for TPS65033xx-Q1 devices?

    Phil Yi
    Phil Yi
    Part Number: TPS650330-Q1 The Function Safety documents are on TI MySecure folder. Customers can request access from the link below: https://www.ti.com/licreg/docs/swlicexportcontrol.tsp?form_id=302189&prod_no=TPS65033X-Q1_FUNCTIONAL_SAFETY_DOCS&ref_url…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS650330-Q1: How can I get design documents for TPS65033xx-Q1 devices?

    Phil Yi
    Phil Yi
    Part Number: TPS650330-Q1 The design documents (datasheets and TRM) are on TI MySecure folder. Customers can request access from the link below: www.ti.com/.../swlicexportcontrol.tsp Once approved, design documents can be accessed from the link…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ4050: FAQ Home Page

    Jose Couso
    Jose Couso
    Part Number: BQ4050 FAQs How to enter UNSEAL or FULL ACCESS modes after sealing the gauge? How long does the voltage on the PACK pin need to be applied to wake-up the gauge? What are the differences between hardware and firmware protections? …
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] What are the advantages to using Totem Pole PFCs in power supply applications?

    William Moore
    William Moore
    Other Parts Discussed in Thread: UCC27517A , UCC21551 , UCC27714 When looking for a power supply for an AC/DC system, high efficiency, high power factor (PF) and low power line harmonics are all of major concern. This article will take a look at power…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why does SOC drop from 100% after full charge?

    Wyatt Keller
    Wyatt Keller
    The gauge takes an OCV measurements periodically when in relaxation and then uses this measurement to recalculate the remaining capacity and full charge capacity. If there is a change in conditions, like temperature, or every 5 hours in relaxation mode…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the Update Status register not updating from 5 to 6?

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQSTUDIO One of the most common problems when trying to complete the learning cycle is having the Update Status (Learned Status) not transition from 0x05 to 0x06. This transition indicates that the gauge has updated the…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ27Z561 FAQs

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQ27Z561 , BQ27Z561-R2 , BQ27Z561-R1 BQ27Z561 FAQ Home Page This is the home page for common questions in relation to the BQ27Z561, BQ27Z561-R1, and BQ27Z561-R2. FAQs Related FAQ home pages: Impedance Track FAQ…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the Update Status not updating from 4 to 5?

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQSTUDIO One of the most common problems when trying to complete the learning cycle is having the Update Status (Learned Status) not transition from 0x04 to 0x05. For this to happen, there must be at least a 90% change…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Thermal Dissipation from an LDO Perspective

    McKyla Beuttler
    McKyla Beuttler
    Other Parts Discussed in Thread: TPS7B86-Q1 , TPS745 One commonly misunderstood topic regarding low dropout regulators (LDOs) is thermal dissipation. LDOs drop the input voltage using a FET in order to achieve the desired output rail. This power dissipates…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ24800: What is the maximum duty cycle of BQ24800? Can this duty cycle support my input adapter voltage?

    Alec Lehman
    Alec Lehman
    Part Number: BQ24800 Other Parts Discussed in Thread: BQ24780S Customers are often interested in knowing the max duty cycle of the buck converter so they can estimate the max output voltage of the charger at different input voltages. The max duty cycle…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
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View FAQ threads
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    AUDIO-AM275-EVM: Input voltage for LM61460AASQRJRRQ1 does not meet recommended operating range 0 Locked

    149 views
    4 replies
    Latest 6 months ago
    by Kento Adachi
  • Suggested Answer

    TPS650365-Q1: Loop Test 0 Locked

    251 views
    7 replies
    Latest 6 months ago
    by Jude Stehling
  • Answered

    LMZ31530: INH Control Using Potential Divider Circuit 0 Locked

    191 views
    8 replies
    Latest 6 months ago
    by Calan Elaya
  • Suggested Answer

    TPS74801: About the relationship between the calculation formula for vout and vref 0 Locked

    172 views
    1 reply
    Latest 6 months ago
    by Alex Davis
  • Suggested Answer

    TPS54160: PFM mode and FPWM mode 0 Locked

    129 views
    1 reply
    Latest 6 months ago
    by EricLee
  • Answered

    LMR51603: Reverse diode leakage connected to VIN 0 Locked

    195 views
    5 replies
    Latest 6 months ago
    by Dino Maslic
  • Not Answered

    BQ77908A: starting voltage difference of cell balancing for BQ77908A 0 Locked

    224 views
    4 replies
    Latest 6 months ago
    by Alexis_H
  • Suggested Answer

    TPS65987D: TPS65987D CB Test Report 0 Locked

    321 views
    6 replies
    Latest 6 months ago
    by Christopher Lim1
  • Suggested Answer

    TPS6593-Q1: OVP and UVP Bench Test Setup 0 Locked

    164 views
    5 replies
    Latest 6 months ago
    by Nicholas McNamara
  • Suggested Answer

    LM53601AQDSXTQ1 power supply shows momentary voltage drops 0 Locked

    120 views
    1 reply
    Latest 6 months ago
    by Ridge Lahti
  • Answered

    BQ28Z620: Cell Configuration 0 Locked

    212 views
    5 replies
    Latest 6 months ago
    by Alan Frias
  • Suggested Answer

    TPSM846C23: TPSM846C23MOLR : Voltage Rail Short 0 Locked

    102 views
    3 replies
    Latest 6 months ago
    by Eileen Hernandez Hernandez
  • Not Answered

    TPS548A29: SW for sync of TPS543C20A 0 Locked

    114 views
    2 replies
    Latest 6 months ago
    by Ryan Chen
  • Suggested Answer

    UCC24630: SR controller suspect to show abnormal waveform and higher efficiency at no load.. 0 Locked

    188 views
    3 replies
    Latest 6 months ago
    by Ulrich Goerke
  • Not Answered

    TPS92624-Q1: Schematic Review 0 Locked

    66 views
    1 reply
    Latest 6 months ago
    by Zach Olson
  • Not Answered

    TPS92633-Q1: Schematic Review 0 Locked

    63 views
    1 reply
    Latest 6 months ago
    by Zach Olson
  • Answered

    BQ25792: Device not charging 0 Locked

    337 views
    16 replies
    Latest 6 months ago
    by Jeff F
  • Suggested Answer

    UCC25660: AFPC not starting / working ucc2818 0 Locked

    227 views
    5 replies
    Latest 6 months ago
    by Ulrich Goerke
  • Suggested Answer

    TPS4810-Q1: PWM frequency 0 Locked

    88 views
    1 reply
    Latest 6 months ago
    by Sarah Raines
  • Suggested Answer

    TPS23754EVM-420: Help Understanding R26 and D19 in TPS23754EVM-420 0 Locked

    159 views
    3 replies
    Latest 6 months ago
    by Diang Xing
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