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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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View FAQ threads
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  • Not Answered

    UCC28056: UCC28056: Circuit power consumption evaluation. And UCC28056 power consumption test method 0

    57 views
    3 replies
    Latest 5 days ago
    by SIRIPURAM YAMINI
  • Not Answered

    TPS65131: Improve load transient repsonse 0

    80 views
    7 replies
    Latest 5 days ago
    by Patrick Yao
  • Not Answered

    LM5143: LM5143 Output oscillation at independent dual output operation 0

    63 views
    1 reply
    Latest 5 days ago
    by Onkar Bhakare
  • Not Answered

    LP8867-Q1: Schematic review and debug 0

    48 views
    2 replies
    Latest 5 days ago
    by Zhiqian Wu
  • Not Answered

    UCD90160A: How to change a Device part number for an existing project file in Fusion Digital Power Designer tool 0

    51 views
    1 reply
    Latest 5 days ago
    by yihe
  • Suggested Answer

    BQ40Z50: BQ40Z50-R3 FCC decline 0

    144 views
    4 replies
    Latest 5 days ago
    by jang hwigyeong
  • Not Answered

    LM5185-Q1: Flyback can not work as designed 0

    238 views
    19 replies
    Latest 5 days ago
    by wenjie Yang
  • Not Answered

    TPS61289: what's the response delay of transition from Buck to Boost mode 0

    33 views
    1 reply
    Latest 5 days ago
    by Travis Wang
  • Suggested Answer

    TPS92380: Question about SW terminal behavior just after powered on. 0

    123 views
    12 replies
    Latest 5 days ago
    by Colin Chen
  • Not Answered

    BQ76942: Huge FET Turn on Delay 0

    39 views
    1 reply
    Latest 5 days ago
    by Justin Squire
  • Suggested Answer

    TPS1685: TPS16850VMAR << a few pins connection wasn't sure 0

    153 views
    10 replies
    Latest 5 days ago
    by Chi Hang Tang
  • Suggested Answer

    TPS1685: TPS16850VMAR - eFuse: VOH and VOL values 0

    43 views
    1 reply
    Latest 5 days ago
    by Rakesh
  • Not Answered

    TPS22811: Design Inquiry 0

    36 views
    1 reply
    Latest 5 days ago
    by Rakesh
  • Answered

    BQ25895: I2C not reporting correct battery voltage 0

    46 views
    1 reply
    Latest 6 days ago
    by Muhammad Shah
  • Answered

    UCC28951: design document of UCC28951 0

    75 views
    6 replies
    Latest 6 days ago
    by Bill Xu
  • Not Answered

    TPS61094: Do we have a similar part of TPS61094 with Super cap back up function, while can support up to 20V system voltage 0

    37 views
    1 reply
    Latest 6 days ago
    by Shipeng Cheng
  • Answered

    TPS923652: FAQ to calculate Comp network outdated? 0

    152 views
    15 replies
    Latest 6 days ago
    by Lucia Gao
  • Not Answered

    LP8865Z-Q1: Working junction temperature 0

    50 views
    4 replies
    Latest 6 days ago
    by Suchen Dong
  • Not Answered

    TPS923652: Verifying max switching frequency based on minimum off-time 0

    154 views
    13 replies
    Latest 6 days ago
    by Lucia Gao
  • Not Answered

    LM5069: LM5069MM-2/NOPB capacitor and resistor packaging 0

    35 views
    0 replies
    Started 6 days ago
    by CC F
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