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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 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
  • [FAQ] TPSF12C1 and TPSF12C3 power-supply filter IC FAQs

    Timothy Hegarty
    Timothy Hegarty
    Other Parts Discussed in Thread: TPSF12C1 , TPSF12C3 Part Numbers: TPSF12C1/3/-Q1 TPSF12C1/-Q1 and TPSF12C3/-Q1 FAQ home page This is the home page for common questions and collateral resources related to the TI's new family of power-supply filter…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
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  • Not Answered

    [FAQ] UCC21750-Q1: Isolated Gate Drivers Bias Current Requirement 0 Locked

    154 views
    0 replies
    Started 1 month ago
    by Sasikala Thangam
  • Answered

    [FAQ] TPS26750EVM: TPS26750EVM A2 User Guide 0 Locked

    544 views
    1 reply
    Latest 4 months ago
    by Christopher Lim1
  • Answered

    [FAQ] TPS65987D: Can I tie ADCINx to LDO3V3 directly using a pull-up resistor for DIV max = 1.00 settings? 0 Locked

    483 views
    1 reply
    Latest 6 months ago
    by Christopher Lim1
  • Answered

    [FAQ] BQ25750: What do I need to know about the BQ25750 power path switchover? 0 Locked

    2385 views
    1 reply
    Latest over 1 year ago
    by Ethan Galloway
  • Answered

    [FAQ] BQ2575X FAQ Page 0 Locked

    3470 views
    1 reply
    Latest over 1 year ago
    by Ethan Galloway
  • Answered

    [FAQ] BQ27Z561 FAQs 0 Locked

    2394 views
    1 reply
    Latest over 2 years ago
    by Wyatt Keller
  • Answered

    [FAQ] BQ27Z746 FAQs 0 Locked

    2500 views
    1 reply
    Latest over 2 years ago
    by Wyatt Keller
  • Answered

    [FAQ] BQ78Z100 FAQs 0 Locked

    1950 views
    1 reply
    Latest over 2 years ago
    by Wyatt Keller
  • Answered

    [FAQ] BQ28Z610 FAQs 0 Locked

    2419 views
    1 reply
    Latest over 2 years ago
    by Wyatt Keller
  • Answered

    [FAQ] TPS544C26: Common Questions 0 Locked

    3476 views
    4 replies
    Latest over 2 years ago
    by Caleb Perez
  • Answered

    [FAQ] How to master LP589x / TLC698x devices with LED display applications within five minutes? 0 Locked

    7641 views
    6 replies
    Latest over 2 years ago
    by Steven Li
  • Answered

    [FAQ] BQ40Z80 FAQs 0 Locked

    5496 views
    1 reply
    Latest over 3 years ago
    by Wyatt Keller
  • Answered

    [FAQ] Impedance Track FAQs 0 Locked

    6086 views
    1 reply
    Latest over 3 years ago
    by Wyatt Keller
  • Not Answered

    BQ51013A: Simple WPT receptio 0

    14 views
    2 replies
    Latest a few seconds ago
    by Michael Jordan
  • Answered

    BQ24618: LiFePO4 support? 0

    49 views
    4 replies
    Latest 3 hours ago
    by Mohamed Hesham
  • Suggested Answer

    LM76202-Q1: spec check 0

    84 views
    7 replies
    Latest 5 hours ago
    by Amrit Jit
  • Not Answered

    BQ24450: What is Ipre max ? Im going to designing 12v 7Ah battery charger 0

    17 views
    0 replies
    Started 6 hours ago
    by Nishad madumalka
  • Answered

    TPS923652: Looking for LED Flashlight Driver for Cine Apllication 0

    97 views
    10 replies
    Latest 8 hours ago
    by Markus Harthum
  • Not Answered

    LM53602-Q1: PCN document 0

    23 views
    0 replies
    Started 9 hours ago
    by Adi I
  • Not Answered

    LM62460: Schematic review for a LM62460 0

    33 views
    2 replies
    Latest 9 hours ago
    by Mirza Pasovic
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