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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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View FAQ threads
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  • Answered

    LMV431A: Inquire of ESD (CDM& MM) data 0 Locked

    412 views
    6 replies
    Latest over 4 years ago
    by Ben C
  • Answered

    BQ79616EVM-021: bq79616-Q1 Example Code 0.1 0 Locked

    3671 views
    1 reply
    Latest over 4 years ago
    by Taylor Vogt
  • Answered

    BQ79656-Q1: We need MTTFd and B10d documents to evaluate functional safety level. 0 Locked

    460 views
    1 reply
    Latest over 4 years ago
    by Taylor Vogt
  • Answered

    BQ79616-Q1: external balancing mosfet configuration 0 Locked

    1089 views
    4 replies
    Latest over 4 years ago
    by Christian Ammon
  • Answered

    LMR33630-Q1: Formulae discuss 0 Locked

    262 views
    2 replies
    Latest over 4 years ago
    by Frank De Stasi
  • Answered

    LMR33630-Q1: Selected output inductor 0 Locked

    207 views
    1 reply
    Latest over 4 years ago
    by Frank De Stasi
  • Answered

    LM5050-1: Redundant supply application 0 Locked

    310 views
    1 reply
    Latest over 4 years ago
    by Praveen GD
  • Answered

    BQ25731: Which charge IC will be recommended for panasonic 18650 battery 0 Locked

    295 views
    1 reply
    Latest over 4 years ago
    by Pengzhao Zhu
  • Suggested Answer

    LM63625-Q1: How device can detect if power inductor is shorted at the SW node 0 Locked

    267 views
    3 replies
    Latest over 4 years ago
    by Frank De Stasi
  • Answered

    LM61495: Integrated bypass capacitor 0 Locked

    199 views
    1 reply
    Latest over 4 years ago
    by Frank De Stasi
  • Suggested Answer

    BQ25710EVM-017: Look for the Altium design files for BQ25710EVM-017 0 Locked

    254 views
    1 reply
    Latest over 4 years ago
    by Pengzhao Zhu
  • Answered

    LMR36006: competitors’ part 0 Locked

    259 views
    1 reply
    Latest over 4 years ago
    by Frank De Stasi
  • Answered

    LM5155: Designing with two switching converters in series 0 Locked

    277 views
    6 replies
    Latest over 4 years ago
    by J.Schweiger
  • Not Answered

    TPS659039-Q1: SMPS45 voltage change from 1.06V to 1.175V 0 Locked

    145 views
    1 reply
    Latest over 4 years ago
    by Krishnamurthy Hegde
  • Suggested Answer

    UCC21750-Q1: UCC21750-Q1 AIN PIN CONNECTION 0 Locked

    364 views
    1 reply
    Latest over 4 years ago
    by Don Dapkus
  • Suggested Answer

    LM5000: LM5000-3MTCXNOPB 0 Locked

    415 views
    2 replies
    Latest over 4 years ago
    by Stefan Schauer
  • Answered

    TPS40210-Q1: How to return normal output from Overcurrent status. 0 Locked

    233 views
    2 replies
    Latest over 4 years ago
    by Stefan Schauer
  • Answered

    TPS25221: Reverse current Block operation when the VIN=0V 0 Locked

    292 views
    1 reply
    Latest over 4 years ago
    by Ziv Zhang
  • Answered

    LM43603: Output voltage too low with load / Works fine with lower indcutance 0 Locked

    448 views
    10 replies
    Latest over 4 years ago
    by Robin Maeder
  • Not Answered

    TPS61022: Output Short Test 0 Locked

    269 views
    2 replies
    Latest over 4 years ago
    by Hirotsugu Kobayashi
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