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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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    BQ28Z610: BQ28Z610 will random lost/miss the Gauge information ( voltage/current/ battery % ) 0 Locked

    163 views
    1 reply
    Latest over 1 year ago
    by Siddharth Venkatesan
  • Answered

    BQ79616EVM-021: Thermistor/GPIO open wire check 0 Locked

    287 views
    6 replies
    Latest over 1 year ago
    by Jeremy Trafas
  • Suggested Answer

    BQ40Z50-R2: GPOD definition 0 Locked

    164 views
    1 reply
    Latest over 1 year ago
    by Siddharth Venkatesan
  • Suggested Answer

    HD3SS3220: Input capacitance of I2C lines 0 Locked

    200 views
    1 reply
    Latest over 1 year ago
    by David (ASIC) Liu
  • Suggested Answer

    LM317: I want a detail explanation on Output Voltage Calculation of LM317 0 Locked

    562 views
    1 reply
    Latest over 1 year ago
    by Stephen Ziel
  • Answered

    TLV755P: the unit of Figure5-8 0 Locked

    187 views
    1 reply
    Latest over 1 year ago
    by Nick Butts
  • Not Answered

    TLV740P: Regarding the maximum withstand voltage of the TLV740P input pin Vin 0 Locked

    194 views
    2 replies
    Latest over 1 year ago
    by Nick Butts
  • Suggested Answer

    UCC28063: Interleaved Topology 0 Locked

    210 views
    1 reply
    Latest over 1 year ago
    by Ulrich Goerke
  • Not Answered

    TPSF12C3-Q1: PSpice simulation model 0 Locked

    287 views
    3 replies
    Latest over 1 year ago
    by Naresh Adepu
  • Not Answered

    TPS7A54: Soft start spec 0 Locked

    181 views
    1 reply
    Latest over 1 year ago
    by Stephen Ziel
  • Answered

    BQ27220: OTP Program without bqstudio 0 Locked

    577 views
    12 replies
    Latest over 1 year ago
    by Dominik Hartl11
  • Answered

    LM5008A: Please check switching frequency 0 Locked

    323 views
    9 replies
    Latest over 1 year ago
    by EricLee
  • Suggested Answer

    TPS2116: Input signal priority 0 Locked

    687 views
    14 replies
    Latest over 1 year ago
    by Kunal Goel
  • Answered

    LM5017: LM5017 0 Locked

    306 views
    3 replies
    Latest over 1 year ago
    by EricLee
  • Suggested Answer

    BQ76952: FETS control commnads from host do not work and FULLSCAN or Alert bit is never asserted. 0 Locked

    313 views
    5 replies
    Latest over 1 year ago
    by Franklin
  • Suggested Answer

    TLVM23615: Can TLVM23615 output (3.3V) be connected to 3.3V output of other DC/DC? 0 Locked

    210 views
    1 reply
    Latest over 1 year ago
    by Joshua Austria
  • Suggested Answer

    TLV1117LV: Input and output capacitor values for TLV1117LV33DCYR 0 Locked

    219 views
    1 reply
    Latest over 1 year ago
    by Bobby
  • Suggested Answer

    BQ27426: The effect of temperature on the accuracy of BQ27426 0 Locked

    237 views
    1 reply
    Latest over 1 year ago
    by Jonny
  • Suggested Answer

    BQ25790: Dual BQ25790 design and general questions 0 Locked

    331 views
    3 replies
    Latest over 1 year ago
    by Christian Moyer
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    CSD95410RRB: Schematic Review 0 Locked

    263 views
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    by yihe
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