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  • LM5170-Q1: LM5170-Q1 operates only at a single, fixed duty cycle

    Part Number: LM5170-Q1 Other Parts Discussed in Thread: LM5170 Tool/software: I am writing regarding a problem with the LM5170-Q1 current controller. LM5170-Q1 operates in boost mode and one channel is enabled in the configuration mentioned below: DIR…

  • LM5170-Q1: LM5170-Q1 MOSFET failure detection

    Part Number: LM5170-Q1 Other Parts Discussed in Thread: LM5170 We want to use the MOSFET failure protection feature in this LM5170-Q1 by leaving the SYNCOUT open. However, nFault was remained shutdown (Low state) even there is no short circuit between…

  • LM5170-Q1: Question about LM5170-Q1 EVM

    Part Number: LM5170-Q1 Other Parts Discussed in Thread: LM5171 Hi team, My customer has two questions about LM5170-Q1 EVM. 1. User guide mentioned, under buck mode, need to turn on starting from HV-PS -> LV-PS and then LV E-load. May I know what's…

  • LM5170-Q1: Current sense with Hall sensor

    Part Number: LM5170-Q1 Other Parts Discussed in Thread: LM5170 Tool/software: Hi Team, I have question on LM5170-Q1. Is it possible to use a Hall based current sensor to sense the current and feed this information into the device? Do you have experience…
    • Answered

  • LM5170-Q1: How do I design a circuit to drive a four-phase buck mode?

    Resolved
    Part Number: LM5170-Q1 Other Parts Discussed in Thread: LM5170 , , LM5171 , TINA-TI Tool/software: Hello Sir, I have already confirmed the 2-Phase Buck mode operation using the LM5170 device through the TINA Simulation data of the existing TI Forum. …
    • Resolved

  • LM5170-Q1: LM5170-Q1

    Part Number: LM5170-Q1 Other Parts Discussed in Thread: LM5170 , LM5177 Hi, iam planning to useLM5170-Q1 buck boost controller after my Battery supply, Please confirm me its minimum where my requirement is Vin(typ) 12V 23A and output is 12V,23A, My question…
    • Answered

  • LM5170-Q1: Analog Outer voltage Loop Control for LV side in BOOST mode

    Resolved
    Part Number: LM5170-Q1 Other Parts Discussed in Thread: LM5171 , LM5170 Dear TI experts, normally the LV output is regulated by outer control loop when in buck mode. For example stable 12 V in LV side when in HV side there is around 48 V. My question is: …
    • Resolved

  • LM5170-Q1: What behavior will LM5170 do after reach OCP?

    Part Number: LM5170-Q1 Other Parts Discussed in Thread: LM5170 Hello expert, My customer would like to know what behavior will be after LM5170 reach OCP threshold. I didn't find UVP for output so the output voltage should drop after cycle by cycle current…
    • Answered

  • LM5170-Q1: nFault Signal

    Resolved
    Part Number: LM5170-Q1 Other Parts Discussed in Thread: LM5170 Hi engineers： I would like to ask question about the N_Fault signal, actually we already placed a 10-kΩ resistor from the SYNCOUT to AGND pin disables the fault check feature. So theoretically…
    • Resolved

  • LM5170-Q1: LM5170 with external gate driver

    Part Number: LM5170-Q1 Other Parts Discussed in Thread: LM5170 , PMP21943 Hi, I want to add external Gate driver to LM5170 in order to implement buck converter with: Input voltage 40VDC t0 250VDC. Output voltage 31VDC. Output power 1500watt. High efficency…

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