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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

    BQ25122: BQ25122 0 Locked

    269 views
    2 replies
    Latest over 5 years ago
    by Hans Gram1
  • Not Answered

    LP87322E-Q1: Recomendation that integrae 3 LDO and 1 BUCK 0 Locked

    281 views
    2 replies
    Latest over 5 years ago
    by Emily Kong1
  • Answered

    BQ2970: How to avoid FET voltage drop 0 Locked

    465 views
    1 reply
    Latest over 5 years ago
    by Matt Sunna
  • Suggested Answer

    BQ24295: Adding Current Sense Resistor to Charging Circuit 0 Locked

    695 views
    1 reply
    Latest over 5 years ago
    by Ning T
  • Not Answered

    UCC256403:BW OVP Mode Latch 0 Locked

    225 views
    1 reply
    Latest over 5 years ago
    by Ulrich Goerke
  • Not Answered

    UCC256403: BW OVP Mode Latch 0 Locked

    195 views
    1 reply
    Latest over 5 years ago
    by Ulrich Goerke
  • Suggested Answer

    BQ25155: Termination current off 0 Locked

    331 views
    5 replies
    Latest over 5 years ago
    by Raheem
  • Answered

    BQ76930: BQ76930: 8S1P battery pack, imbalance between lower and upper 4 cells 0 Locked

    475 views
    4 replies
    Latest over 5 years ago
    by Matt Sunna
  • Answered

    BQ25150EVM: bqstudio "supported targets" list cant find BQ25150EVM listed. 0 Locked

    975 views
    6 replies
    Latest over 5 years ago
    by Raheem
  • Suggested Answer

    BQ78350-R1: TRM Floating Point error 0 Locked

    324 views
    1 reply
    Latest over 5 years ago
    by Matt Sunna
  • Suggested Answer

    UCC256403: BW OVP Mode Latch 0 Locked

    295 views
    1 reply
    Latest over 5 years ago
    by Ulrich Goerke
  • Suggested Answer

    BQ21061: Adjust BUVLO > 3.0V 0 Locked

    375 views
    1 reply
    Latest over 5 years ago
    by Raheem
  • Suggested Answer

    CCS/BQ24650: BQ24650, output voltage fluctuation, abnormal charging process? 0 Locked

    697 views
    7 replies
    Latest over 5 years ago
    by Kedar Manishankar
  • Answered

    BQ24640: supercap charger for automotive 0 Locked

    288 views
    1 reply
    Latest over 5 years ago
    by Kedar Manishankar
  • Answered

    TPS63060: Extend soft start time 0 Locked

    602 views
    5 replies
    Latest over 5 years ago
    by Milos
  • Suggested Answer

    CSD19535KTT: VDS leakage current increase over time 0 Locked

    261 views
    1 reply
    Latest over 5 years ago
    by John Wallace1
  • Suggested Answer

    BQ28Z610: Slave address for BQ28Z610 and BQ28Z610-R1 0 Locked

    468 views
    1 reply
    Latest over 5 years ago
    by Andy Liu (BMS)
  • Suggested Answer

    CCS/BQ40Z50-R1: BQ40Z50R1 chemistry ID error is very big 0 Locked

    260 views
    3 replies
    Latest over 5 years ago
    by Kang Kang
  • Answered

    BQ25700A: BQ25700A Hi-Z mode 0 Locked

    398 views
    3 replies
    Latest over 5 years ago
    by Joel Hernandez II
  • Suggested Answer

    LLC resonant converter vs series resonant converter 0 Locked

    2317 views
    1 reply
    Latest over 5 years ago
    by Ulrich Goerke
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