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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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  • Answered

    LM51561H: Inquiry about DC/DC converters IC that makes negative power output with negative power input 0 Locked

    200 views
    4 replies
    Latest 7 months ago
    by Lee HongGyo
  • Suggested Answer

    LM5122-Q1: LM5122 Quick Start Calculator 0 Locked

    169 views
    1 reply
    Latest 7 months ago
    by Niklas Schwarz
  • Answered

    TPS4800-Q1: Tolerance clarification 0 Locked

    112 views
    3 replies
    Latest 7 months ago
    by Matthias Zimmermann
  • Not Answered

    BQ35100: SOH is always 0% 0 Locked

    137 views
    4 replies
    Latest 7 months ago
    by Carlos C
  • Suggested Answer

    LM317: Replacing LM317 with switch mode chip for battery charging supply 0 Locked

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    2 replies
    Latest 7 months ago
    by Pradeep Patel
  • Suggested Answer

    BQ34Z100-G1: lerning cycle does not complete 0 Locked

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    by R.Fukunaga
  • Not Answered

    TPS55165-Q1: Not regulating over input range 0 Locked

    172 views
    9 replies
    Latest 7 months ago
    by Bryce Xun
  • Suggested Answer

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    by John Westmoreland
  • Suggested Answer

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    by Mulin Yuan
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    108 views
    3 replies
    Latest 7 months ago
    by Nini Zhong
  • Suggested Answer

    TPS63710: Regarding Negative buck regulator 0 Locked

    90 views
    1 reply
    Latest 7 months ago
    by Colin Chen
  • Suggested Answer

    TPS60150: spec check 0 Locked

    149 views
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    by Nini Zhong
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    TPS65994AE: How to set the TypeC Current 3A/1.5A flow in TPS66994? 0 Locked

    220 views
    3 replies
    Latest 7 months ago
    by Alex Liu
  • Not Answered

    TPS61379-Q1:出力電圧設定方法 0 Locked

    984 views
    2 replies
    Latest 7 months ago
    by Lei Zhong
  • Suggested Answer

    MM5453: Data wanted for Plasma display drivers SN755870 and SN755881 or similar 0 Locked

    161 views
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    Latest 7 months ago
    by Zhiqian Wu
  • Answered

    LMG3100R017: SIMPLIS/PLECS simulation model 0 Locked

    134 views
    2 replies
    Latest 7 months ago
    by ETHAN ZHOU
  • Suggested Answer

    TPS564201: frequency at no load 0 Locked

    129 views
    1 reply
    Latest 7 months ago
    by Andy Chen
  • Not Answered

    TLC5926-Q1: Value of output current in chapter 10.1.2 0 Locked

    169 views
    6 replies
    Latest 7 months ago
    by Suchen Dong
  • Answered

    TPS61391: Negative-Voltage APD Power Supply 0 Locked

    158 views
    3 replies
    Latest 7 months ago
    by Lei Zhong
  • Answered

    TPS1685: GND Abs Max 0 Locked

    74 views
    1 reply
    Latest 7 months ago
    by Kunal Goel
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