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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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View FAQ threads
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  • Answered

    [FAQ] What happens when output overshoot or undershoot occurs and how to address it? 0 Locked

    1663 views
    1 reply
    Latest over 1 year ago
    by Rubas Khalid
  • Suggested Answer

    TPS25830-Q1: if there is any possibility to hardcode the CC1 and CC2 pins on the head unit side 0 Locked

    228 views
    1 reply
    Latest over 1 year ago
    by Seong Kim
  • Suggested Answer

    TPS53676: Does the device auto-detect phase configuration? 0 Locked

    155 views
    1 reply
    Latest over 1 year ago
    by Nash Boyd
  • Suggested Answer

    UCC14240-Q1: maximum capacitive load? 0 Locked

    228 views
    3 replies
    Latest over 1 year ago
    by Steven Mappus1
  • Not Answered

    BQ78350-R1A: All LEDs incorrectly light up even when RSOC is low 0 Locked

    458 views
    8 replies
    Latest over 1 year ago
    by Diego
  • Suggested Answer

    LM25018: Current limited buck project progress 0 Locked

    191 views
    1 reply
    Latest over 1 year ago
    by Andrew Kutzler
  • Answered

    TUSB1044: P/N Swap compatibility 0 Locked

    278 views
    3 replies
    Latest over 1 year ago
    by Shane Hauser
  • Not Answered

    TPS546D24S: one stack 70A, X4 Stack .max 200A 0 Locked

    237 views
    2 replies
    Latest over 1 year ago
    by Tomoya Ide
  • Suggested Answer

    BQ25756: Jeita compliance of BQ25756 but with smart battery 0 Locked

    293 views
    5 replies
    Latest over 1 year ago
    by Ethan Galloway
  • Not Answered

    UCC28711: UCC28711 IS NOT GIVING DRIVE PULSES AND NO VOLTAGE AT NTC PIN EVEN IT IS KEPT OPEN 0 Locked

    333 views
    4 replies
    Latest over 1 year ago
    by Harish Ramakrishnan5
  • Suggested Answer

    TPS25942A: TPS25942 0 Locked

    439 views
    7 replies
    Latest over 1 year ago
    by Krishnam Raju Marupu
  • Suggested Answer

    TPS7A85: TPS7A85 SPICE Model User-guide 0 Locked

    335 views
    2 replies
    Latest over 1 year ago
    by Edgar Acosta1
  • Suggested Answer

    BQ25750: Input And Output Capacitors when not using reverse mode 0 Locked

    217 views
    1 reply
    Latest over 1 year ago
    by Ethan Galloway
  • Suggested Answer

    LM2990: CS2441759: Part - ALDTR0009988241 > MPN # LM2990SX-5.0/NOPB 0 Locked

    228 views
    5 replies
    Latest over 1 year ago
    by Dipak Badgujar
  • Suggested Answer

    LM25149-Q1: Inquiry about different IC for my new design those ICs should pass EMC and EMI test 0 Locked

    348 views
    6 replies
    Latest over 1 year ago
    by Timothy Hegarty
  • Answered

    TPS745-Q1: TPS74512PQWDRVRQ1 En Pin 0 Locked

    231 views
    1 reply
    Latest over 1 year ago
    by Hannah Grace
  • Suggested Answer

    UCD90160A: Enable mode 0 Locked

    219 views
    2 replies
    Latest over 1 year ago
    by Anne Ngo77
  • Suggested Answer

    TPS7A24: Could I change the current limit(ICL) 0 Locked

    217 views
    1 reply
    Latest over 1 year ago
    by Prakash Lakhit
  • Answered

    LM137QML-SP: 5962P9951708VXA: SEE data 0 Locked

    175 views
    1 reply
    Latest over 1 year ago
    by Sarah Koch
  • Suggested Answer

    BQ25756: BQ25756 High power levels 0 Locked

    546 views
    6 replies
    Latest over 1 year ago
    by Ethan Galloway
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