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  • LM49450: LM49450 Speaker driver development Issue

    Part Number: LM49450 Tool/software: Hello, We have developed a driver for the LM49450 chip. The headphones are functioning correctly, but the speaker is not producing any output. When connecting or disconnecting the headphones, the HPS pin state…

  • LM49450: LM49450SQ/NOPB

    Part Number: LM49450 Other Parts Discussed in Thread: TAS2110 , Tool/software: Hello, We are using a custom board with the LM49450SQ/NOPB amplifier chip, running Android 13 with a Linux kernel version 5.10.101. We have been unable to find any driver…

  • LM49450: I2c communication problem when headphone is plug

    TI Thinks Resolved
    Part Number: LM49450 Tool/software: I'have an application with a LM49450 chipset. When using the chipset with speaker the is no problem, but when i plug the headphone, the i2c communication bus crashed when i try to change the headphone volume (or…

  • LM49450: Onboard amplifier audio cuts out

    Part Number: LM49450 Other Parts Discussed in Thread: LM4950 Tool/software: Is it normal for the LM49450 amplifier audio to cut out and revert the audio output to the auxiliary headphone jack? Plugging in headphones and unplugging them will make the amplifier…
    • Answered

  • LM49450: LM49450

    Resolved
    Part Number: LM49450 Hi I was searching for the Code example or driver for LM49450 that i can use with our devices. Thanks, Boris.
    • Resolved
    • Answered

  • LM49450: Looking for software instructions

    Resolved
    Part Number: LM49450 Hi team, I need a software guide on LM49450 - SNAC025 https://www.ti.com/tool/ja-jp/download/SNAC025/01.00.00.00 Could not find an EVM nor EVM user guide. Can you provide one? Thanks, Luke
    • Resolved

  • LM49450: Selection Help

    Part Number: LM49450 Other Parts Discussed in Thread: LM4935 , TAS5102 , TAS5705 Hi, I am working on a project (Bluetooth stereo speaker) that requires: 2x 2W or 3W speaker headphones output Stereo Input (AGC?) subwoofer output , 20W, with…

  • LM49450: At high volume, sound cuts out from the speaker

    TI Thinks Resolved
    Part Number: LM49450 We are having issues with the LM49450 where playing sound from a speaker at high volume causes the sound to suddenly stop, as if the amplifier shuts itself off. **problem solved**

  • LM49450: LSVDD 5V and auxiliary out noise/problem

    TI Thinks Resolved
    Part Number: LM49450 Hello, I am having a issue with the LM49450, where if I power my system with 5V, and it goes through a 5V to 3.3V regulator to power most of the components on the board, but I also send 5V directly to the LSVDD and VDD pins on the…

  • LM49450: POP noise

    Part Number: LM49450 Hi Team, Have you ever heard the pop noise issue before? Our end customer asked us to solve the “pop noise “ during mute and unmute. We changed MUTE register only. Do you have any comments? Regards, Roy

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