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Frequent Questions
  • [FAQ] LMx518x: What is the maximum output power deliverable?

    Hareesh Babu Takasi
    Hareesh Babu Takasi
    Other Parts Discussed in Thread: LM5181 , LM25180 For converter parts (LM5181/0, LM25180/3/4), to calculate maximum output power, you can use these formulae: POWER DELIVERY CURVES Pout vs Vin for all variants on same graph at different turns ratio…
    • 26 days ago
    • Power management
    • Power management forum
  • [FAQ] LMx518x: How to select Snubber circuits?

    Hareesh Babu Takasi
    Hareesh Babu Takasi
    Snubber circuits are designed to suppress voltage spikes, limit the rate of voltage and current changes, and protect switching devices from damage. It is recommended to use snubber circuits across SW and Vin, and across Flyback diode. Refer this technical…
    • 26 days ago
    • Power management
    • Power management forum
  • [FAQ] LMx518x: Why is my output voltage not as expected/calculated?

    Hareesh Babu Takasi
    Hareesh Babu Takasi
    Part Number: LM5180-Q1 Flyback transformer To operate as flyback converter, transformer polarity has to be as expected, reversing polarity makes the converter work as forward converter which cannot provide expected output when loaded. Also, check…
    • 26 days ago
    • Power management
    • Power management forum
  • [FAQ] LMx518x: How to select RSET, RFB, RTC?

    Hareesh Babu Takasi
    Hareesh Babu Takasi
    RSET resistor is used to set the internal 1.21-V reference to the input of the error amplifier for internal closed loop. RSET is recommended to keep at 12.1 Kohm to maintain 100uA current in RFB and RSET resistors, and vary RFB to obtain required output…
    • 26 days ago
    • Power management
    • Power management forum
  • [FAQ] LMx518x: How to select Flyback Diode?

    Hareesh Babu Takasi
    Hareesh Babu Takasi
    Select a Schottky diode for this application to account for inevitable diode voltage overshoot and ringing related to the resonance of transformer leakage inductance and diode parasitic capacitance. Connect an appropriate RC snubber circuit (for example…
    • 26 days ago
    • Power management
    • Power management forum
  • [FAQ] LMx518x: How to select Zener Clamp on transformer primary side?

    Hareesh Babu Takasi
    Hareesh Babu Takasi
    Other Parts Discussed in Thread: LM25184 Connect a diode-Zener clamp circuit across the primary winding to limit the peak switch voltage after MOSFET turnoff. We recommend using a Zener diode with a clamp voltage of ~1.5x the reflected output voltage…
    • 26 days ago
    • Power management
    • Power management forum
  • [FAQ] AM263P4-Q1: How to parse AM263P ROM Logs

    Aswin Sankar
    Aswin Sankar
    Part Number: AM263P4-Q1 Hi expert, Can you provide me the steps or tools necessary to parse ROM Logs in AM263P SoC.
    • Answered
    • 26 days ago
    • Arm-based microcontrollers
    • Arm-based microcontrollers forum
  • [FAQ] LM5180/1, LM25180/3/4 FAQs

    Hareesh Babu Takasi
    Hareesh Babu Takasi
    Other Parts Discussed in Thread: LM25180 , LM5180 , LM25185 , LM25184 , LM25183 , LM5185 , LM5181 LM5180/1, LM25180/3/4 FAQs Home Page This home page is for common questions in relation to the LM5180, LM5181, LM25180, LM25183, LM25184, LM25185, LM5185…
    • 26 days ago
    • Power management
    • Power management forum
  • [FAQ] SYSFW/TIFS Secure Crypto Service Example on AM62x

    Hong Guan64
    Hong Guan64
    Part Number: AM625 - SYSFW/TIFS Crypto Service The crypto services allow SYSFW/TIFS client to encrypt/decrypt data blobs using one of AES-ECB, AES-CBC or AES-GCM operations. - SYSFW/TIFS Crypto Service API https://software-dl.ti.com/tisci/esd/latest…
    • Answered
    • 26 days ago
    • Processors
    • Processors forum
  • [FAQ] TPS25751A: TPS25751A/TPS26750A vs TPS25751/TPS26750

    Adrian Sacalxot-Berrios
    Adrian Sacalxot-Berrios
    Part Number: TPS25751A Other Parts Discussed in Thread: TPS26750 , TPS25751 , , TPS26750A , BQ25713 , BQ25731 , BQ25756 , BQ25756E , BQ25690 What are the differences between the A and non-A versions? Feature TPS25751/TPS26750 TPS25751A/TPS26750A…
    • 26 days ago
    • Power management
    • Power management forum
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