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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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  • Answered

    UCC27712-Q1: Not able to achieve 100% PWM 0 Locked

    389 views
    7 replies
    Latest over 1 year ago
    by Richard Herring
  • Not Answered

    TPS7A92: Soft-Start time 0 Locked

    182 views
    3 replies
    Latest over 1 year ago
    by Stephen Ziel
  • Suggested Answer

    TPS7B81-Q1: Output discharge 0 Locked

    169 views
    1 reply
    Latest over 1 year ago
    by Kelsey Farr
  • Not Answered

    TPS53355: Question about TPS53355DQPT 0 Locked

    245 views
    7 replies
    Latest over 1 year ago
    by Amod Vaze
  • Suggested Answer

    LM5185-Q1: Vout is dropping at intervals with load and without load. 0 Locked

    949 views
    14 replies
    Latest over 1 year ago
    by Youhao Xi
  • Suggested Answer

    LM5185: The transformer whistling for LM5185 0 Locked

    531 views
    4 replies
    Latest over 1 year ago
    by Youhao Xi
  • Suggested Answer

    LM25185-Q1: 5V 3A flyback converter 0 Locked

    341 views
    2 replies
    Latest over 1 year ago
    by Youhao Xi
  • Suggested Answer

    LM25143-Q1: Remote sense for four phase application 0 Locked

    380 views
    3 replies
    Latest over 1 year ago
    by Timothy Hegarty
  • Suggested Answer

    BQ25185: Designing 1S4P 18650 Cells Solar powered charging 0 Locked

    205 views
    1 reply
    Latest over 1 year ago
    by Alec Lehman
  • Answered

    BQ76952: How long does it take for PIN(DSG and CHG) to cahnge after sending FET_CONTROL(0x0097) command? 0 Locked

    169 views
    1 reply
    Latest over 1 year ago
    by Alexis_H
  • Suggested Answer

    LM3880-Q1: LM3880QMF-1AC/NOPB 0 Locked

    144 views
    1 reply
    Latest over 1 year ago
    by Mahmoud Harmouch
  • Suggested Answer

    BQ76952: Current consumtion in sleep mode for Stacked bq76952 device 0 Locked

    294 views
    1 reply
    Latest over 1 year ago
    by Alexis_H
  • Suggested Answer

    LM5143: Connection Review 0 Locked

    221 views
    2 replies
    Latest over 1 year ago
    by David Baba
  • Suggested Answer

    LM5149-Q1EVM-400: Questions about weird operation of LM5149-Q1EVM-400 +1 Locked

    303 views
    5 replies
    Latest over 1 year ago
    by David Baba
  • Suggested Answer

    TPS92682-Q1: C sample code 0 Locked

    252 views
    1 reply
    Latest over 1 year ago
    by fhoude
  • Suggested Answer

    EV2400: Ship back inquiry 0 Locked

    167 views
    3 replies
    Latest over 1 year ago
    by Jonny
  • Answered

    CSD23280F3: Drain-to-source leakage current above 25°C 0 Locked

    257 views
    4 replies
    Latest over 1 year ago
    by Chris Bull
  • Answered

    TPS7A96: how to decide the Rtop and Rbottom to enable the device 0 Locked

    268 views
    3 replies
    Latest over 1 year ago
    by Hannah Grace
  • Not Answered

    TPS65994AD: IC function check 0 Locked

    120 views
    1 reply
    Latest over 1 year ago
    by Matthew Schafer
  • Not Answered

    BQ25756E: Testing the BQ25756E chip, encountered some problems need to consult, the questions are as follows: 0 Locked

    303 views
    3 replies
    Latest over 1 year ago
    by Ethan Galloway
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