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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

    TPS65988DK: Failure to negotiate 20V Sink PDO 0 Locked

    802 views
    30 replies
    Latest over 1 year ago
    by Raymond Lin
  • Answered

    BQ27Z561-R2: What is the correct fuel gauge? 0 Locked

    197 views
    1 reply
    Latest over 1 year ago
    by Jonny
  • Not Answered

    TPSF12C1-Q1: TPSF12C1 PSpice model : Confirmation of AEF operation in simulation. 0 Locked

    1294 views
    9 replies
    Latest over 1 year ago
    by Naresh Adepu
  • Not Answered

    TPS7A02: YCH package pin 1 marking 0 Locked

    378 views
    3 replies
    Latest over 1 year ago
    by Renan Santos Adriano
  • Answered

    [FAQ] UCC5880-Q1: Simplifying Software Integration with UCC588X-Q1-CDD (Complex Device Driver) 0 Locked

    1220 views
    1 reply
    Latest over 1 year ago
    by Luis Carrillo
  • Not Answered

    UCD9090A: Going back sequence 0 Locked

    192 views
    1 reply
    Latest over 1 year ago
    by yihe
  • Not Answered

    CSD95372BQ5M: What is the value of switched node capacitance (Coss of the lower MOSFET) value? 0 Locked

    292 views
    6 replies
    Latest over 1 year ago
    by yihe
  • Suggested Answer

    BQ77915: 20s BMS schematic validation 0 Locked

    420 views
    1 reply
    Latest over 1 year ago
    by Thomas Rainey
  • Answered

    TPS7B63-Q1: TPS7B63-Q1: Vout tolerance at Tj=25℃ 0 Locked

    189 views
    1 reply
    Latest over 1 year ago
    by Nick Butts
  • Not Answered

    TPS7H5001-SP: Active control of PS and SP pins 0 Locked

    265 views
    1 reply
    Latest over 1 year ago
    by Daniel Hartung
  • Answered

    BQ35100: bq35100 calibration questions? 0 Locked

    241 views
    1 reply
    Latest over 1 year ago
    by Diego
  • Suggested Answer

    TPS785-Q1: TPS785-Q1 Tape and Reel information (DRB PKG) 0 Locked

    229 views
    1 reply
    Latest over 1 year ago
    by Eunize Tobias
  • Not Answered

    LM2675: About LM2675 malfunction。 0 Locked

    230 views
    3 replies
    Latest over 1 year ago
    by Ridge Lahti
  • Answered

    TPS23731: DEN pin detect disable 0 Locked

    622 views
    5 replies
    Latest over 1 year ago
    by Brandon Beader
  • Suggested Answer

    BQ79631-Q1: Unused SRN & SRP pins 0 Locked

    191 views
    1 reply
    Latest over 1 year ago
    by Quentin Silic
  • Suggested Answer

    REF3112: REF3112AQDBZRQ1 0 Locked

    294 views
    2 replies
    Latest over 1 year ago
    by Jackson Wightman
  • Not Answered

    BQ24650: Two thermistors 0 Locked

    178 views
    1 reply
    Latest over 1 year ago
    by Christian Moyer
  • Suggested Answer

    TPS7B81-Q1: Need to ICEM Models for specified part number 0 Locked

    236 views
    1 reply
    Latest over 1 year ago
    by Stephen Ziel
  • Suggested Answer

    BQEVSW: Programming IDxxx.chem file using BQEVSW 0 Locked

    344 views
    1 reply
    Latest over 1 year ago
    by Dominik Hartl11
  • Suggested Answer

    UCD3138A: Unable to read parameters in Fusion Studio GUI 0 Locked

    556 views
    13 replies
    Latest over 1 year ago
    by Sean Xu
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