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  • LM74502-Q1: Load Dump Protection Circuit

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    Part Number: LM74502-Q1 Other Parts Discussed in Thread: LM74502H-Q1 , LM7480-Q1 , LM74502 Hi, For my design, I will use LM74502-Q1 IC that protects my circuit for 160V load dump (ISO 16750-2. Us = 160). I will not use reverse voltage protection feature…
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  • LM74502-Q1: 160V Load Dump Protection Application

    TI Thinks Resolved
    Part Number: LM74502-Q1 Other Parts Discussed in Thread: LM7480-Q1 , LM74502 Hi, I designed this circuit to protect the SMPS from 160V load dump. The circuit is attached. 1-Is this circuit suitable for 160V load dump protection? (VOUT clamping) 2-Is …
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  • LM74502-Q1: MOSEFET review

    Resolved
    Part Number: LM74502-Q1 Hi Can this MOSFET SiA108DJ https://www.vishay.com/docs/77827/sia108dj.pdf be used for this 24V protection circuit? or any other MOSFET suggestion with smaller size? also can this circuit pass ISO7637-2 3a and 3b test pulse up to…
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  • LM74502-Q1: Is typ 220uF output capacitor really required?

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    Part Number: LM74502-Q1 Other Parts Discussed in Thread: LM74502 Hello TI expert, Regarding LM74502 datasheet page 16, it mention about minimum required capacitance. The output capacitor is 220uF. 1. What is the reason to have this 220uF? 2. If my total…
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  • LM74502-Q1: The voltage rating for the output capacitor ?

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    Part Number: LM74502-Q1 Hi for figure 10.2 below what is the required voltage rating for Cout ? And can we use a smaller output capacitor ?
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  • LM74502-Q1: Negative Transient Protection

    TI Thinks Resolved
    Part Number: LM74502-Q1 HI There, Quick question. If someone is using the LM74502-Q1 as a surge stopper in Section 10.3 (Figure 10-11) of the datasheet, and the VS is clamped at 60V through the Dz and R1, is there still a requirement to have a negative…

  • LM74502-Q1: Gate to SRC impedance reduced to 10 ohms

    TI Thinks Resolved
    Part Number: LM74502-Q1 Hi Team, Can you please help answer the inquiry below? When using LM74502-Q1 to drive the back-to-back MOSFET, after a period of time, use a multimeter to measure the resistance of the gate pin to the SRC pin, and it is found that…

  • LM74502-Q1: EMC iso7637-2 and 16750-2 compliance test report

    TI Thinks Resolved
    Part Number: LM74502-Q1 team, well it's all in the subject can you please provide the EMC iso7637-2 and 16750-2 compliance test report: my customer needs it for device qualifciation. thanks
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  • LM74502-Q1: OV High Impedance Resistor Ladder

    Resolved
    Part Number: LM74502-Q1 Hello, Is it okay to select a high impedance (1Mohm and 39kOhm) as R1 and R2 in the datasheets typical application figure in order to minimize leakage current? The recommendation of " Select (R1 + R2) such that current through…
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  • LM74502-Q1: for 200V load dump protection

    Resolved
    Part Number: LM74502-Q1 Other Parts Discussed in Thread: LM74502H-Q1 Hi Sir, May I know the LM74502-Q1 if could be use for the 200V load dump protection? it's like as the below shown.
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