TPA3118D2: schematic review

Jeff YANG

Part Number: TPA3118D2

Hi,

Would you please help review below schematic? thanks!

Jeff

0 Shadow He over 1 year ago

Hi Jeff

From the schematic, we are using BTL mode, but INPL and INNL pin all connected to ground, may I ask why?

At INPR and INNR, didn't find the DC block 1uF capacitor. Please make sure we have it, otherwise the device may not able to work.

0 Jeff YANG over 1 year ago in reply to Shadow He

Hi Shadow,

From the schematic, we are using BTL mode, but INPL and INNL pin all connected to ground, may I ask why?

=> Referring to the attached design, for safety reasons, is there a need to reserve any components?

At INPR and INNR, didn't find the DC block 1uF capacitor. Please make sure we have it, otherwise the device may not able to work.

=> BT module(Pin 6,8) speaker output ,connect to TPA3118(Pin 4,5) input.

Jeff

+1 Shadow He over 1 year ago in reply to Jeff YANG

Hi Jeff

No problem about the input capacitor.

Jeff YANG said:
Referring to the attached design, for safety reasons, is there a need to reserve any components?

Do you mean the left channel needn't be used? That's no problem.

0 Jeff YANG over 1 year ago in reply to Shadow He

Hi Shadow,

Got it. thanks!

Audio forum