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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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  • Not Answered

    BQ76952: Shutdown_wakeup communication failure 0

    27 views
    2 replies
    Latest 6 hours ago
    by Fabio Gou
  • Not Answered

    LM5045: Is it possible up to 5kw with LM5045 IC 0

    6 views
    0 replies
    Started 6 hours ago
    by 선규 이
  • Suggested Answer

    LM5118: Design Inquiry buck-boost LM5118 0

    58 views
    3 replies
    Latest 6 hours ago
    by 奉祥 林
  • Not Answered

    TPS51275C: Temperature rating list as 125C MAX but not in datasheet. 0

    34 views
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    Latest 6 hours ago
    by Gautam Iyer
  • Not Answered

    TPS61165: EasyScale: One-Wire Digital Dimming 0

    120 views
    15 replies
    Latest 6 hours ago
    by Hector Chen
  • Not Answered

    BQ25820: Input voltage is getting stuck when AC is removed 0

    99 views
    11 replies
    Latest 6 hours ago
    by Christian Moyer
  • Not Answered

    TPS1H100-Q1: Can we use 2pcs TPS1H100-Q1 in parallel for current limitation? 0

    26 views
    0 replies
    Started 6 hours ago
    by Jack Li
  • Not Answered

    BQ41Z50: It is slow to program the BQ41Z50 0

    21 views
    2 replies
    Latest 6 hours ago
    by Alex Chen
  • Not Answered

    BQ25630: SOme design questions for BQ25630.. 0

    13 views
    0 replies
    Started 7 hours ago
    by Peter Tseng
  • Suggested Answer

    LP5812: Offline Support Request 0

    33 views
    2 replies
    Latest 7 hours ago
    by Felix Wang
  • Not Answered

    TPS23754: Request schematic review of TPS23754 0

    64 views
    7 replies
    Latest 7 hours ago
    by Grady Lee
  • Not Answered

    TLV62130: Request for TLV62130 schematic & PCB review (IC dead phenomenon) 0

    91 views
    9 replies
    Latest 7 hours ago
    by Grady Lee
  • Not Answered

    LM51772: Webench Design for a 5V DC does not work 0

    23 views
    1 reply
    Latest 7 hours ago
    by Alicia Hao
  • Not Answered

    TPS922054: Tested load output cannot drive 4A 0

    88 views
    7 replies
    Latest 7 hours ago
    by Lucia Gao
  • Not Answered

    TPS7A85: TPS7A85 design mismatches between webench and datasheet 0

    40 views
    3 replies
    Latest 7 hours ago
    by Lu Z
  • Answered

    TPS650350-Q1: pin fuction 0

    70 views
    6 replies
    Latest 7 hours ago
    by kwon taeon
  • Not Answered

    BQ25638: OTG mode automatically exits with the EN_OTG bit being shut off with 1.4A load or less. 0

    21 views
    0 replies
    Started 7 hours ago
    by Woosik Lee
  • Not Answered

    TPS62933F: Pin FMEA results 0

    11 views
    0 replies
    Started 8 hours ago
    by daiki.yata
  • Not Answered

    TPS922055: TPS922055 calculation tool Inductor Values 0

    26 views
    2 replies
    Latest 8 hours ago
    by Lucia Gao
  • Not Answered

    TPS25983: What is the MPN used for Excel calculator? 0

    9 views
    0 replies
    Started 8 hours ago
    by Ernest Yong
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