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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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  • Not Answered

    TPS65130: Load regulation 0 Locked

    246 views
    3 replies
    Latest over 1 year ago
    by Patrick Yao
  • Suggested Answer

    LM5143: Slope compensation with LM5143 0 Locked

    286 views
    1 reply
    Latest over 1 year ago
    by Timothy Hegarty
  • Suggested Answer

    UCC27611: I wonder if I can drive INN650DA260A with UCC27611 0 Locked

    263 views
    1 reply
    Latest over 1 year ago
    by Rubas Khalid
  • Suggested Answer

    LM74900-Q1: Tapping Voltage Output After 1st Mosfet 0 Locked

    298 views
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    Latest over 1 year ago
    by Shiven Dhir
  • Answered

    TLC59283: What is the optimal voltage to power 7 segment displays with this part? 0 Locked

    183 views
    1 reply
    Latest over 1 year ago
    by Jared Zhou
  • Answered

    TLC59283: Can different LED output channels be supplied from different voltages? 0 Locked

    164 views
    1 reply
    Latest over 1 year ago
    by Jared Zhou
  • Answered

    BQ76942: BQ76952 0 Locked

    527 views
    8 replies
    Latest over 1 year ago
    by kunal wankhede
  • Suggested Answer

    TPS2HB16-Q1: TPS2HB16AQPWPRQ1 KCL shows 102A*KR in datesheet,it should be a range data,please tell me TPS2HB16AQPWPRQ1's Kcl range 0 Locked

    337 views
    12 replies
    Latest over 1 year ago
    by ling xinjie
  • Suggested Answer

    UCC27531EVM-184: UCC27531EVM-184 0 Locked

    221 views
    2 replies
    Latest over 1 year ago
    by Rubas Khalid
  • Answered

    LM25180-Q1: Miscellaneous questions 0 Locked

    471 views
    11 replies
    Latest over 1 year ago
    by Eric Valin
  • Suggested Answer

    UCC27424: Question about UCC27424 new datasheet. 0 Locked

    266 views
    5 replies
    Latest over 1 year ago
    by Rubas Khalid
  • Not Answered

    BQ77207: BQ77207 0 Locked

    245 views
    1 reply
    Latest over 1 year ago
    by Luis Torres
  • Suggested Answer

    UCC14140-Q1: Output is not detected after few minutes first VDD and EN is applied. 0 Locked

    194 views
    1 reply
    Latest over 1 year ago
    by Manuel Alva Hernandez
  • Answered

    TPS25762-Q1: Do I need to burn the latest version of firmware to the IC to support PD3.0?How to quick start TPS25762-Q1? 0 Locked

    923 views
    32 replies
    Latest over 1 year ago
    by Seong Kim
  • Answered

    TPS2373-4EVM-758: Combination of evaluation boards to meet required specifications 0 Locked

    264 views
    3 replies
    Latest over 1 year ago
    by Diang Xing
  • Not Answered

    BQ79600-Q1: Forward communication unsuccessful during loop back communication 0 Locked

    135 views
    1 reply
    Latest over 1 year ago
    by Anthony P Pham
  • Not Answered

    BQ34210-Q1: Wake-Up Comparator 0 Locked

    172 views
    1 reply
    Latest over 1 year ago
    by Adrian
  • Suggested Answer

    BQ27Z746: Different package 0 Locked

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

    BQ79616: bq79616 + bq79600 reverse direction command frames when BMS is running 0 Locked

    326 views
    3 replies
    Latest over 1 year ago
    by Quentin Silic
  • Not Answered

    BQ40Z80: Inquiry regarding BQ40Z80 capacity display 0 Locked

    164 views
    5 replies
    Latest over 1 year ago
    by Anthony
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