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Please help me identify this 6-pin SMD marked mAHG (mAGS):

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SIP-Phone Yealink SIP-T19

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2 Answers 2

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Can be RT9011 (dual channel LDO), judging from the presence of ceramic caps (possibly for decoupling) at pin5 (VIN).

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Installed a jumper pin 1 - pin 4. Its work!
I will order analog switch.

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    \$\begingroup\$ You edited the answer in your question and posted a comment as answer. \$\endgroup\$
    – Velvet
    Commented Feb 6, 2023 at 16:08

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