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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] Can the TPS2388 support "Perpetual POE" and "Fast POE?"

    Kuan Wei Chen (Kevin Chen)
    Kuan Wei Chen (Kevin Chen)
    Part Number: TPS2388 Dear Team, Can TPS2388 support below functions? Perpetual POE Fast POE Thanks. BR Kevin
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] UCC21220A: Isolated Gate Driver in narrow-body SOIC for basic and functional isolation applications enhances system efficiency, solution size, and reliability

    Derek Payne
    Derek Payne
    Part Number: UCC21220A Other Parts Discussed in Thread: UCC21220 , UCC21220EVM-009 Power supply designers are often challenged to make their systems solutions more efficient, more reliable, and smaller in size, while still maintaining competitive pricing…
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS2373: Wiring of VC_IN and VC_OUT when no transfromer Aux Bias supply present

    Jo Major
    Jo Major
    Part Number: TPS2373 Other Parts Discussed in Thread: TPS23880 Hi, I'm designing a .bt PoE 5-port switch with an ideal rectifier bridge. I want to use the PG pin, with a 10k ohm pull-up to 3.3V (one of the power supply outputs). It will trigger…
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] LP2985: minimum slew rate for ON/OFF

    Kyle Van Renterghem
    Kyle Van Renterghem
    Part Number: LP2985 Other Parts Discussed in Thread: TLV757P , TPS764 , , TLV755P , TLV767 , TPS7A26 , LP5907 , TPS709 Hi, The datasheet states that the ON/OFF pin must be driven with a slew rate greater than 40mV/us. What is the potential concern…
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS2373-4EVM-758: Active Bridge Rectifier Disconnect Circuit (Q18)

    Teresa Chiu
    Teresa Chiu
    Part Number: TPS23754 Other Parts Discussed in Thread: TPS2373-4EVM-758 Hi Sir, There is an Active bridge design on the TPS2373-4EVM-758 and we applied it with TPS23754 design. 1. May I know what's the purpose of the Q18 on the active bridge circuit…
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] LP8861-Q1: Different ISET current setting equation

    Shirley He
    Shirley He
    Part Number: LP8861-Q1 Other Parts Discussed in Thread: TPS61194-Q1 , TPS61193-Q1 For the devices LP8861-Q1, TPS61193-Q1, TPS61194-Q1, the maximum current for the LED current sinks is controlled with external Riset resistor at ISET pin. But there are…
    • Answered
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ24040 and BQ2404X family Trouble Shooting Tips, No Output, Charge Current Low, Early Termination and Others.

    Bill Johns
    Bill Johns
    Other Parts Discussed in Thread: BQ24040 , BQ24090 , BQ21040 , BQ24050 What are some trouble shooting recommendation if we are seeing problems with the BQ24040 or similar devices.
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] UCC27211A: What's the difference of UCC27211A and UCC27211

    Richard Herring
    Richard Herring
    Part Number: UCC27211A Other Parts Discussed in Thread: UCC27211 , UCC27210 The UCC27211 and UCC27211A 4A, 120V half-bridge drivers are high performance drivers which have virtually the same specifications in the parameter table. There are some differences…
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ24040 and BQ2404X family TS pin configuration of NTC and TTDM mode

    Bill Johns
    Bill Johns
    Other Parts Discussed in Thread: BQ24090 , BQ21040 , BQ24050 The TS pin has multiple ways that it can be configured. What is the best way to connect it and how?
    • over 6 years ago
    • Power management
    • Power management forum
  • [FAQ] UCC27511A: What is the difference between the Low Side Drivers UCC27511A and UCC27511? Improved Negative Input Voltage Handling capability

    Mamadou Diallo
    Mamadou Diallo
    Part Number: UCC27511A Other Parts Discussed in Thread: UCC27511 , Switch-Mode Power Supplies and Merchant DC-DC converter applications often require high current drive and hard switching to drive large loads. This hard switching of the power switches…
    • over 6 years ago
    • Power management
    • Power management forum
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View FAQ threads
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  • Not Answered

    Boost Circuit for Audio Power Amp 5V -> 12V 0 Locked

    391 views
    2 replies
    Latest over 6 years ago
    by Zack Liu
  • Answered

    UCC5320: UCC5320EC 0 Locked

    411 views
    3 replies
    Latest over 6 years ago
    by Steven He92
  • Suggested Answer

    TPS65233: SCL status of TPS65233 0 Locked

    401 views
    5 replies
    Latest over 6 years ago
    by Sam(MPAA) Zhang
  • Answered

    BQ25882: Vsys drop during transition to the supplement mode 0 Locked

    224 views
    2 replies
    Latest over 6 years ago
    by Shinya Sawamoto
  • Answered

    BQ25601: withstand voltage of 0.047 uF between BTST and SW 0 Locked

    292 views
    2 replies
    Latest over 6 years ago
    by user4369354
  • Suggested Answer

    TPS61088-Q1:TPS61088-Q1 Problem 0 Locked

    538 views
    1 reply
    Latest over 6 years ago
    by Helen chen
  • Answered

    TPS62175: Hot plugging boards with this part to 24v line may burn out: never on 12v line 0 Locked

    533 views
    7 replies
    Latest over 6 years ago
    by Chris Glaser
  • Answered

    LM3488: LM3488 What is the difference with LM3478? 0 Locked

    1487 views
    3 replies
    Latest over 6 years ago
    by Andrey Yakimov
  • Answered

    BQ76PL455A-Q1: Single device write with response 0 Locked

    477 views
    4 replies
    Latest over 6 years ago
    by Nick Hartley
  • Answered

    TPS54327: TPS54327, adding current feedback feature 0 Locked

    446 views
    3 replies
    Latest over 6 years ago
    by Iven Su
  • Suggested Answer

    TPS2483: How read marking data code 0 Locked

    1164 views
    4 replies
    Latest over 6 years ago
    by Praveen GD
  • Answered

    UCC28700: Is it fine if we connect load on both output windings (auxiliary winding and main winding) of flyback transformer(UCC28700). actually we tried same but found that with load on main winding circuit is working fine but when we connect load on auxi 0 Locked

    448 views
    5 replies
    Latest over 6 years ago
    by SUDHANSHU TELRADHE
  • Suggested Answer

    TPS61021A: TPS61021A 0 Locked

    423 views
    2 replies
    Latest over 6 years ago
    by Helen chen
  • Suggested Answer

    TPS61021A: Layout for input capacitor and inductor 0 Locked

    644 views
    3 replies
    Latest over 6 years ago
    by Helen chen
  • Suggested Answer

    LM27762: Figure 6 on data sheet seems strange, and apparently contradicts Figure 8? Does positive output voltage really go up with load current, over most of the input voltage range? 0 Locked

    270 views
    3 replies
    Latest over 6 years ago
    by Chris Glaser
  • Answered

    Linux/TPS25221: ILIM pin Short Circuit Protection 0 Locked

    325 views
    2 replies
    Latest over 6 years ago
    by Kevin-Cheng
  • Suggested Answer

    UCC21520-Q1: Isolation Test 0 Locked

    379 views
    1 reply
    Latest over 6 years ago
    by John Geiger
  • Not Answered

    WEBENCH® Tools/LM5118: Design tools have been used 0 Locked

    373 views
    5 replies
    Latest over 6 years ago
    by Garrett Roecker
  • Suggested Answer

    BQ25890: Why suddenly into HIZ mode 0 Locked

    799 views
    3 replies
    Latest over 6 years ago
    by Ning T
  • Answered

    LM5023: Can't capture the first gate turn on pulse on an LM5023 0 Locked

    260 views
    2 replies
    Latest over 6 years ago
    by Simon Bourguigne
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