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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] BQ25820: How To Connect BQ25820 If Power Path Is Not Needed

    Christian Moyer
    Christian Moyer
    Part Number: BQ25820 Tool/software: If power path is not needed on BQ25820, remove the BATFET, connected Pin 32 (SYS) to Pin 33(VAC), leave Pin 15 (BATDRV) floating, and connect Pin 16 (BATSRC) to Pin18(VLSNS). Best Regards, Christian
    • Answered
    • 7 months ago
    • Power management
    • Power management forum
  • [FAQ] BQ25750 and BQ25751: How To Connect The BQ25750 or BQ25751 IC If The Power Path Is Not Needed

    Christian Moyer
    Christian Moyer
    Part Number: BQ25751 Other Parts Discussed in Thread: BQ25750 , Tool/software: If the power path is not needed on the BQ25750 or BQ25751, remove the BATFETs, connected Pin 32 (SYS) to Pin 33(VAC), leave Pin 15 (BATDRV) floating, and connect Pin 16…
    • Answered
    • 7 months ago
    • Power management
    • Power management forum
  • [FAQ] BQ25751: Schematic checklist

    Christian Moyer
    Christian Moyer
    Part Number: BQ25751 Other Parts Discussed in Thread: BQ25750 , Tool/software: Hello all, Here is the BQ25750 schematic and layout checklist. This can also be used for the BQ25751. BQ25750_Schematic_And_Layout_Checklist.pdf Best Regards, Chri…
    • Answered
    • 7 months ago
    • Power management
    • Power management forum
  • [FAQ] TPS65224-Q1: Over and Under Voltage Fault Injection

    Niko Alatalo
    Niko Alatalo
    Part Number: TPS65224-Q1 Tool/software: This guide for undervoltage (UV) and overvoltage (OV) fault injection can be used for other devices as well. Before performing please make sure this will not break anything on the board and that the regulator can…
    • 7 months ago
    • Power management
    • Power management forum
  • [FAQ] BQ4050: How to get started with CEDV gauges?

    Jose Couso
    Jose Couso
    Other Parts Discussed in Thread: GAUGEPARCAL , GPCCEDV Tool/software: How do I get started with CEDV gauges?
    • Answered
    • 7 months ago
    • Power management
    • Power management forum
  • [FAQ] TPS3435-Q1: Output rise time specification (Connected as MCU_PORz input)

    Kallikuppa Sreenivasa
    Kallikuppa Sreenivasa
    Part Number: TPS3435-Q1 Other Parts Discussed in Thread: AM620-Q1 Tool/software: Hi Team, I have a customer using TPS3435CKHBDDDFRQ1 I could not find this OPN while searching. Can you please confirm this is a valid OPN. Customer is using pushpull…
    • Answered
    • 7 months ago
    • Power management
    • Power management forum
  • [FAQ] What is the minimum difference between input voltage and LED (string) voltage for TPS922055 / TPS922054 / TPS922053 / TPS922052 to regulate the output current?

    Steven Li
    Steven Li
    Other Parts Discussed in Thread: TPS922052 , TPS922055 , TPS922054 , TPS922053 What is the minimum difference between input voltage and LED (string) voltage for TPS922055 / TPS922054 / TPS922053 / TPS922052 to regulate the output current?
    • Answered
    • 7 months ago
    • Power management
    • Power management forum
  • [FAQ] BQ25883: BQ2588x FAQs

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQ25882 , BQ25883 , BQ25886 , BQ25887 BQ2588x FAQ Home Page This home page is for common questions in relation to the BQ25882, BQ25883, BQ25886, and BQ25887. FAQs ----------------------------------------…
    • Answered
    • 8 months ago
    • Power management
    • Power management forum
  • [FAQ] BQ25751EVM: BQZ

    Christian Moyer
    Christian Moyer
    Part Number: BQ25751EVM Other Parts Discussed in Thread: BQ25751 Tool/software: https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/196/Charger_5F00_1_5F00_00_2D00_bq25751.bqz
    • Answered
    • 9 months ago
    • Power management
    • Power management forum
  • [FAQ] BQ25820: Pin Descriptions for pins 31, 32, 33

    Christian Moyer
    Christian Moyer
    Part Number: BQ25820 Tool/software:
    • Answered
    • 9 months ago
    • Power management
    • Power management forum
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  • Not Answered

    BQ76930: REGOUT 0 Locked

    49 views
    0 replies
    Started 1 month ago
    by ? ?
  • Not Answered

    BQ76200: Please help to evaluate if we could add more capacitor of CVDDCP 0 Locked

    48 views
    1 reply
    Latest 1 month ago
    by Jack Li
  • Not Answered

    BQ79616: BQ79616 UART communications to chip works fine. Only sporadic receiving message 0 Locked

    72 views
    1 reply
    Latest 1 month ago
    by Erik Hansen
  • Answered

    TPS61287: REA: Output resistance of the error amplifier 0 Locked

    47 views
    1 reply
    Latest 1 month ago
    by Nathan Ding
  • Answered

    TPS922051: LED driver at low output current questions 0 Locked

    65 views
    3 replies
    Latest 1 month ago
    by user4928306
  • Answered

    TPS388C0-Q1: Possible to clear watchdog via i2c? 0 Locked

    80 views
    2 replies
    Latest 1 month ago
    by Matt Kincaid
  • Suggested Answer

    LP5522: Can this device be reliably used with 1-2mA output current using RISET? 0 Locked

    46 views
    1 reply
    Latest 1 month ago
    by Andy Chen
  • Answered

    BQ76952: After opening the bqstudio software, it cannot connect. 0 Locked

    82 views
    3 replies
    Latest 1 month ago
    by zhong donglei
  • Not Answered

    TPS923653: PWM thresholds for hybrid dimming not working as expected 0 Locked

    37 views
    1 reply
    Latest 1 month ago
    by Lucia Gao
  • Suggested Answer

    TPS613221AEVM: TPS613221A using more resting current at low voltage 0 Locked

    97 views
    3 replies
    Latest 1 month ago
    by Nini Zhong
  • Suggested Answer

    TLV61290: Boost with lowest ripple 0 Locked

    107 views
    5 replies
    Latest 1 month ago
    by Nini Zhong
  • Not Answered

    TPS61022: Output Voltage Lower than Input 0 Locked

    44 views
    1 reply
    Latest 1 month ago
    by Aurora Tie
  • Suggested Answer

    TPS61165: Have this driver powering five white LEDs in parallel on a NHD TFT display, PWM does not seem to work. 0 Locked

    120 views
    3 replies
    Latest 1 month ago
    by Colin Chen
  • Answered

    TPS25751: I want to separate PD adapters from regular adapters. 0 Locked

    161 views
    10 replies
    Latest 1 month ago
    by Raymond Lin
  • Suggested Answer

    TPS25751: Is 0x49 register still active in TPS25751? 0 Locked

    125 views
    5 replies
    Latest 1 month ago
    by Raymond Lin
  • Answered

    TPS25751: How should the insertion status of USB cable change after disabling PD 0 Locked

    94 views
    1 reply
    Latest 1 month ago
    by Raymond Lin
  • Answered

    UCC28750: UCC28750 SIMPLIS Simulation Error +1 Locked

    105 views
    9 replies
    Latest 1 month ago
    by Ning Tan
  • Not Answered

    TPS25750EVM: Data transfer from a PC to a mobile phone via the TPS25750EVM. 0 Locked

    187 views
    3 replies
    Latest 1 month ago
    by Raymond Lin
  • Suggested Answer

    LM25143: Hiccup Mode Current Limiting (RES) triggered when Vin above certain level 0 Locked

    385 views
    15 replies
    Latest 1 month ago
    by Andrew Kutzler
  • Suggested Answer

    TPS65219: TPS6521904 LDO1 output issue 0 Locked

    138 views
    9 replies
    Latest 1 month ago
    by Sarah Lao
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