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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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  • Answered

    BQ24105: Changing ISET1 resistors with MCU 0 Locked

    252 views
    1 reply
    Latest over 5 years ago
    by Jeff F
  • Suggested Answer

    TPS25923: Vout = 3.3V (instantaneous) 0 Locked

    504 views
    5 replies
    Latest over 5 years ago
    by Praveen GD
  • Answered

    TPS630252: Short circuit protection when device is hard short 0 Locked

    291 views
    1 reply
    Latest over 5 years ago
    by Milos
  • Answered

    TPS40428EVM-594: PCB file requirement 0 Locked

    297 views
    3 replies
    Latest over 5 years ago
    by Qian Chen
  • Answered

    BQ25601D: best IC gauge for BQ25601D and 3.6V 10000mAh single LiPo cell 0 Locked

    813 views
    8 replies
    Latest over 5 years ago
    by FFabio
  • Suggested Answer

    TPS61042: Can We Add 220pF or 1000pF Cap at LED Output of the TPS61042? 0 Locked

    366 views
    5 replies
    Latest over 5 years ago
    by Sean Zhou
  • Suggested Answer

    TPIC6C595: Difference between TPIC6C595DRG4 and TPIC6C595DR 0 Locked

    426 views
    1 reply
    Latest over 5 years ago
    by Sean Zhou
  • Suggested Answer

    TPS92630-Q1: Parallel TPS92630 0 Locked

    340 views
    1 reply
    Latest over 5 years ago
    by Frank Qiu
  • Discussion

    Battery model BQ27426 Locked

    108 views
    0 replies
    Started over 5 years ago
    by Aimee Wei
  • Answered

    BQ25606EVM-772: BQ25606EVM 0 Locked

    395 views
    11 replies
    Latest over 5 years ago
    by Alireza jamshidi
  • Suggested Answer

    TL1454A: Vout 0 Locked

    190 views
    1 reply
    Latest over 5 years ago
    by Jasper Li
  • Answered

    TPS3851: MR pull up resistor and its pulse duration question 0 Locked

    343 views
    5 replies
    Latest over 5 years ago
    by Abhinav.Sharma
  • Suggested Answer

    REF102: REF102 0 Locked

    392 views
    1 reply
    Latest over 5 years ago
    by Abhinav.Sharma
  • Answered

    TPS3703-Q1: about latch mode 0 Locked

    279 views
    1 reply
    Latest over 5 years ago
    by Abhinav.Sharma
  • Answered

    WEBENCH® Tools/UC2843A-Q1: Auxiliary winding in Flyback transformer 0 Locked

    1382 views
    2 replies
    Latest over 5 years ago
    by Akshay Purohit
  • Not Answered

    Understanding of some characteristics of diodes 0 Locked

    127 views
    3 replies
    Latest over 5 years ago
    by Rakesh
  • Not Answered

    LM5060 : Breakage of input voltage 48v uvlo circuit 0 Locked

    488 views
    3 replies
    Latest over 5 years ago
    by Rakesh
  • Suggested Answer

    LM66100: Reverse current protection question : ireverse < Ircb of LM66100 0 Locked

    663 views
    1 reply
    Latest over 5 years ago
    by Andy Robles
  • Answered

    BQ25504: Special Components for board 0 Locked

    257 views
    2 replies
    Latest over 5 years ago
    by Rishabh Dahale
  • Suggested Answer

    LM385-1.2-N: SOT-23 Thermal Resistance Junction to Case 0 Locked

    541 views
    2 replies
    Latest over 5 years ago
    by Marcoo Z
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