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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] TPS549D22: What to do with the PMBus pins when the PMBus interface is not used

    Alec Biesterfeld
    Alec Biesterfeld
    Part Number: TPS549D22 Other Parts Discussed in Thread: TPS548B22 , TPS548D22 Depending on the available supply, customers may ask if they can use PMBus parts such as the TPS549D22 or TPS549D22 in place of their pin-to-pin counterparts that lack a PMBus…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] How does load conditions, output capacitance and headroom affect my space rated LDOs Power Supply Rejection Ratio (PSRR) performance?

    Wade Vonbergen
    Wade Vonbergen
    Other Parts Discussed in Thread: TPS7H1111-SP , TPS7H1101A-SP , TPS7A4501-SP Answer: Looking at two of our most popular space rated Class V Low DropOut (LDO)s in our offering, and our upcoming release to market for our flagship ultra-low noise, high…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] UCC21520: How can I use an ENable pin as a DISable and vise versa?

    Daniel Norwood
    Daniel Norwood
    Part Number: UCC21520 Other Parts Discussed in Thread: UCC21521 , How can I use an ENable pin as a DISable and vise versa?
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS92633-Q1: How to design with TPS92633-Q1 in five minutes?

    Gracie Guo
    Gracie Guo
    Part Number: TPS92633-Q1 Other Parts Discussed in Thread: TPS92624-Q1 , TPS92623-Q1 Hi team, What are the prominent features of TPS92633-Q1? How can the external resistor components of the TPS92633-Q1 be designed? What should I pay attention…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS549D22: Can the PMBus circuits in the TPS549B22 / TPS549D22 support 1.8V pull-up termination voltage?

    Peter James Miller
    Peter James Miller
    Part Number: TPS549D22 Other Parts Discussed in Thread: TPS549B22 , Question: Can the PMBus pins on the TPS549B22 and TPS549D22 support a 1.8V I/O termination voltage for the pull-up resistors? Answer: The TPS549B22 and TPS549D22's PMBus pins…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TLC6984EVM: TLC698x: How to master TLC698x devices in LED Wall market within five minutes?

    Monet Xu
    Monet Xu
    Other Parts Discussed in Thread: TLC6984 , MSP430F5529 , TLC6984EVM The TLC6984 is a highly integrated common cathode matrix LED display driver with 48 constant current sources and 16 scanning FETs. A single TLC6984 is capable of driving 16 × 16 RGB LED…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ25720: How to change the compensation network in my buck-boost charger?

    Tiger Zhou
    Tiger Zhou
    Part Number: BQ25720 BQ25720, an NVDC battery buck-boost charge controller, chargers 1S-4S batteries from a wide-range input sources (3.5V-26V). There are multiple loops inside the charger, for example, input voltage, input current, system voltage…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ25700A: Buck-boost charger has high current ripple at light load. Is it stable?

    Tiger Zhou
    Tiger Zhou
    Part Number: BQ25700A It is normal to have high current ripple at light load. The BQ25700A operates in pulse frequency modulation (PFM) for best efficiency. It may skip a few pulses at light load. Moreover, the charger fully utilizes the 4 switches…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] PTH04000W: PTH04000W's inductors

    Haruo Akaba
    Haruo Akaba
    Part Number: PTH04000W This product has different inductors depending on the LOT. There are also LOTs with resist. Are these the correct products?
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ25713: What is the I2C device address of a battery charger?

    Tiger Zhou
    Tiger Zhou
    Part Number: BQ25713 Other Parts Discussed in Thread: BQSTUDIO The device address of a battery charger is a 7-bit address as specified by the I2C standard. The address can be converted as a hexadecimal value with a R/W bit at the end. For example, the…
    • Answered
    • over 4 years ago
    • Power management
    • Power management forum
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    WEBENCH® Tools/LMZ34002: about VOUT_PT 0 Locked

    731 views
    1 reply
    Latest over 7 years ago
    by J Arrigo
  • Suggested Answer

    BQ24650: I have a project ,solar charger , the solar panel rate of work is 30~50W , use 9Ah lithium iron phosphate battery, the charger current is 5A , the question is that if the BQ24650 is the suitable for this project or you have any other device more s 0 Locked

    436 views
    2 replies
    Latest over 7 years ago
    by Jing Zou
  • Answered

    TPS1H100-Q1: Built in current limit to 2A 0 Locked

    467 views
    3 replies
    Latest over 7 years ago
    by Mahmoud Harmouch
  • Answered

    Linux/TPS650860EVM-116: Linux TPS650860EVM 0 Locked

    1177 views
    2 replies
    Latest over 7 years ago
    by baruch lerer
  • Answered

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    549 views
    1 reply
    Latest over 7 years ago
    by Karl Wallinger
  • Suggested Answer

    LMZM33603: Need Eco Plan, Lead Ball Finish, and MSL 0 Locked

    786 views
    2 replies
    Latest over 7 years ago
    by J Arrigo
  • Answered

    TPS82130: Regulation differences between TPS82130, TPS82140, TPS82150 where currents "overlap"? 0 Locked

    976 views
    3 replies
    Latest over 7 years ago
    by Chris Glaser
  • Answered

    TPS92074: Does TPS92074 support 135V output? 0 Locked

    1317 views
    8 replies
    Latest over 7 years ago
    by aggil liang
  • Suggested Answer

    LM27762: Chip draws ~10x current at startup 0 Locked

    813 views
    5 replies
    Latest over 7 years ago
    by Chris Glaser
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    by Helen chen
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    ucc37321: ucc37321 and ucc27321 0 Locked

    827 views
    1 reply
    Latest over 7 years ago
    by Don Dapkus
  • Answered

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    1065 views
    4 replies
    Latest over 7 years ago
    by Thomas Lewis
  • Suggested Answer

    UCC256301: Battery Charger Application 0 Locked

    1076 views
    5 replies
    Latest over 7 years ago
    by Benjamin Lough
  • Answered

    WEBENCH® Tools/LM317A: Error at Vin:5, Vout:2.5V, Iout:0.2A, Temp:30 degrees 0 Locked

    648 views
    4 replies
    Latest over 7 years ago
    by Kiran Kumar10
  • Answered

    TPS4H160-Q1: Power and ground protection 0 Locked

    839 views
    6 replies
    Latest over 7 years ago
    by Mahmoud Harmouch
  • Suggested Answer

    bq51050B: Minimal charging current 0 Locked

    760 views
    1 reply
    Latest over 7 years ago
    by Bill Johns
  • Answered

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    560 views
    2 replies
    Latest over 7 years ago
    by Helen chen
  • Suggested Answer

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    580 views
    1 reply
    Latest over 7 years ago
    by Bill Johns
  • Answered

    TPS544C25: What to do with unused PMBus pins? 0 Locked

    723 views
    5 replies
    Latest over 7 years ago
    by joe lindula
  • Suggested Answer

    LM5119: Input 25-35V, Output 12V/80A. 0 Locked

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