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  • TPS2640: TPS26400PWPR No Output voltage

    TI Thinks Resolved
    Part Number: TPS2640 Tool/software: Hi Team, We have used TPS2640 E-Fuse in our circuit for Input protection. The Input voltage is 24VDC, 1A. But I am not getting any output voltage when Input power is applied (Measured O/P voltage is 30mV). Below is…
    • Answered

  • TPS2640: layout

    Resolved
    Part Number: TPS2640 Tool/software: Hi, I have questions about layout. In the case of a 4-layer PCB, how should the inner layers be configured? Should the areas where the TOP layer has the RTN pattern also have the RTN pattern on layers 2 and…
    • Resolved
    • Answered

  • TPS2640: Setting Output Voltage Ramp Time—(tdVdT)

    Resolved
    Part Number: TPS2640 Tool/software: Hi Team I have a question. What problems can occur if C(dVdT) is not set correctly? I understand that the rush current when the power supply is turned on is limited by the overload current limit I(OL). If…
    • Resolved
    • Answered

  • TPS2640: Reverse polarity protection is non-functional

    Resolved
    Part Number: TPS2640 Other Parts Discussed in Thread: LM60440 Tool/software: Hi, We have implemented the TPS2640 (VQFN package) in a design, however, the reverse polarity protection does not work. The other protection features seem to be functioning…
    • Resolved
    • Answered

  • TPS2640: OVP, UVP value

    Resolved
    Part Number: TPS2640 Tool/software: Hi team, If I want to use OVP and UVP with the default values (OVP=32.6V, UVP=14.9V), is it correct to set R3=0Ω, R1=0Ω, and R2=open? Should R2 have a set value? Also, if I want to use OVP with the default…
    • Resolved
    • Answered

  • TPS2640: TPS2640 ESD protection of IN and OUT pins

    Resolved
    Part Number: TPS2640 Hello, The datasheet of TPS2640 does state an ESD protection level of 1000V (HBM) for the device pins. My question is: Does the above mentioned values also apply to the IN and OUT pins of the device or do these pins provide a…
    • Resolved
    • Answered

  • TPS2640: IMON resistor referenced to GND

    Resolved
    Part Number: TPS2640 Tool/software: In Section 10.4 of the datasheet it says not to connect RTN to GND (disables reverse polarity protection feature) and that IMON resistor should be connected with respect to RTN pin. In our design we connected a…
    • Resolved

  • TPS2640: TPS26400PWPR

    TI Thinks Resolved
    Part Number: TPS2640 Other Parts Discussed in Thread: LM7480 , LM7481 Tool/software: is there a device similar to the TPS26400PWPR with an operating temp range -55C to 125C?

  • TPS2640: About overcurrent behvier

    Part Number: TPS2640 Tool/software: Hi team, My customer found some issues here. I can not explain it. Could you provide your suggestion? The schematic and waveform as below. Test condition. The original current limit setting is 0.8A. It's a Fan…
    • Answered

  • TPS2640: Using TPS26400 in motor applications.

    Resolved
    Part Number: TPS2640 Tool/software: Hi team, My customer is using TPS26400 in motor applications. Did you have some experience here? The design condition is as follows. Vin=24V Io=0.6A Ilim=0.8A The customer used a locked-rotor motor to…
    • Resolved

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