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  • LM4871: LM4871 and boost converter for battery operated application

    Resolved
    Part Number: LM4871 Other Parts Discussed in Thread: TPS61023 , Tool/software: Hello, I am using 8 ohm speaker. connected output f DC DC converter TPS61023 to power LM4871. The boost converter converts 2.8V to 5V for LM4871. When I turned ON the volume…
    • Resolved

  • LM4871: Self Oscillation Problem

    TI Thinks Resolved
    Part Number: LM4871 Other Parts Discussed in Thread: TLV320AIC3254 Tool/software: When I turn on the IC, it oscillates around 640KHz, I can see it clearly on output. Even without any input signal. Output audio is generated if I input. However, IC is getting…
    • Answered

  • LM4871: simulate LM4871M

    Resolved
    Part Number: LM4871 Tool/software: I built up the circuit of LM4871M just as typical circuit shown, but the output of LM4871M would always be 5V. How could I solve it?
    • Resolved

  • LM4871:Pop Up Noise Solution Inquiry

    Part Number: LM4871 Tool/software: Hello, I have a question about the LM4871MMX/NOPB circuit. The circuit is configured as shown in the attached image. The problem is that Pop Up noise occurs when power is supplied. In order to solve the Pop Up…

  • LM4871: Output short protection

    TI Thinks Resolved
    Part Number: LM4871 Hello, My customer is asking about output protection on LM4871. Does it have output short protection? Or can it use the thermal shutdown protection instead of output short protection? Regards, Tao_2199
    • Answered

  • LM4871: Discrepancy between Spice and data sheet

    Resolved
    Part Number: LM4871 Hi, we were modeling the basic configuration for the LM4871 both in PSpice for TI and LTSpice as shown in the part's data sheet (input signal to the inverting input of the amplifier). However, the simulation results do not match…
    • Resolved

  • LM4871: LM4871MX/NOPB - Required PCN Document for Wire bonding changes

    Part Number: LM4871 Hi Experts , Good Day , Can you please check and confirm below image which is having the wire bonding changes and Bottom markings are consistent with TI requirements ? . Both the date codes were belongs to Malaysia. Please…

  • LM4871: LM4871 has a pop sound when enable shutdown please help check if could eliminate

    Part Number: LM4871 Other Parts Discussed in Thread: TPA6211A1 Dear experts, My customer use the LM4871MX to drive a speaker, and test the speaker will have a POP sound at the moment of playback. Testing conditions: 1. There is a POP sound during…
    • Answered

  • LM4871: LM4871 schematic review

    Resolved
    Part Number: LM4871 Hi team, It is nice to know you here. Could you please help review the LM4871 schematic from my customer's side? Thanks. BR, Charles Lin
    • Resolved

  • LM4871: Need support in calculating the power supply required

    Part Number: LM4871 Dear team, I am planning to use LM4871MX for my design. I am planning to operate the device at 3.3V and device is expected to drive at 8ohms loads. How much current should be supplied at 3.3v rails for proper operation.

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