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  • LMR14030-Q1: [LMR14030-Q1] REQUEST FOR REVIEW OF BLOCK DIAGRAM AND CONSTRUCTION HAZARDS

    TI Thinks Resolved
    Part Number: LMR14030-Q1 Other Parts Discussed in Thread: LMR14050 Hi, TI Support Team I am trying to configure USB CAHRGER as below BLOCK. Previously, two LMR14030-Q1 products were used as INPUT of USB CHARGER IC, but to reduce to one, the block is…

  • LMR14030-Q1: Calculation/Formula minimum startup voltage

    TI Thinks Resolved
    Part Number: LMR14030-Q1 Other Parts Discussed in Thread: LMR14030 Please help to provide calculation or Formula for minimum startup voltage. for example, the output voltage is set to 3.3V or 5V, what is the input voltage will be able to gerenate 3.3V…

  • LMR14030-Q1: Webench Design

    Part Number: LMR14030-Q1 Hi Team, seeking your assistance. Encountering a large spike immediately upon plugging in Vin, long before the LMR14030-Q1 has started switching. Webench project https://webench.ti.com/appinfo/webench/scripts/SDP.cgi?ID=5D03…

  • LMR14030-Q1: Schematic review

    TI Thinks Resolved
    Part Number: LMR14030-Q1 Hi Team, Could you help check the schematic of LMR14030-Q1? Thanks! Regards, Cera

  • LMR14030-Q1: PG output delay

    TI Thinks Resolved
    Part Number: LMR14030-Q1 Other Parts Discussed in Thread: TPS54388C-Q1 , LMR14030 Hi Expert, Our customer use LMR34010 and TPS54388C-Q1 in the same design. Since there is no MCU in system, they would like to connect PG form LMR14030 to EN pin of…
    • Answered

  • LMR14030-Q1: About the oscillation in DCM

    Resolved
    Part Number: LMR14030-Q1 Hello team, A customer asks about the oscillation of SW node waveform in DCM mode. Can you provivde the description in detals about why it happens? Thanks, Sam Lee
    • Resolved

  • LMR14030-Q1: Output Voltage Divider Resistor Values not Setting Correct Voltage

    TI Thinks Resolved
    Part Number: LMR14030-Q1 Using 13k & 49.9k for the resistor divider gives output voltage of 3.9V. This is significantly different from the formula given in the datasheet. 10k & 49.9k gives 5.4 V. The following is the schematic. The switching frequency…

  • LMR14030-Q1: Efficiency and current consumption

    TI Thinks Resolved
    Part Number: LMR14030-Q1 Other Parts Discussed in Thread: LMR36506 , LMR36503 , LMR43610 Hello E2E, Our customer system input voltage is 9V - 36V, and the output is 4.5V, working current is 70-300mA, light load standby current is 2mA. What is the efficiency…
    • Answered

  • LMR14030-Q1: LMR14030-Q1

    Resolved
    Part Number: LMR14030-Q1 Dear, We are using TI LMR14030-Q1 package HSOIC-8 . Pin No 6 soft start we connected 2.2nF, SMD ceramic capacitor, Recommended capacitor greater than 8.2nF. . can we change capacitor value to 10nF Best regards, Hitainder Singh…
    • Resolved

  • LMR14030-Q1: Gate Charge of output MOSFET

    TI Thinks Resolved
    Part Number: LMR14030-Q1 Hello Team, for worst case calculation my customer needs the gate/source charge capacity of the output MOSFET. Do we have these figures? Many Thanks Josef

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