HardLabs

LM386 BTL

danchouzhou·LM386_BTL

LM386 BTL PCB layout, top view — open source board by danchouzhou

About the LM386 BTL PCB

LM386 BTL is an open source PCB design by danchouzhou, published on GitHub. It is a 2-layer board measuring 44.5 × 44.5 mm, with 26 components from 10 distinct parts.

Other key parts include the LM386. By type, the board carries 12 capacitors, 6 resistors, 4 ICs and 4 connectors.

It belongs with the audio designs in this gallery.

From the project

The Ultimate LM386 BTL Amplifier

LM386 BTL, from the project README
From the project README

Main components on the LM386 BTL

LM386

LM386 BTL bill of materials (BOM)

26 components, 10 distinct parts.

QtyPartRefs
4
LM386
U1, U2, U3, U4
1
IN
J1
1
L_OUT
J2
1
R_OUT
J3
1
POWER
J4
4
10uF
C1, C2, C7, C8
4
100uF
C3, C4, C9, C10
4
47nF
C5, C6, C11, C12
2
200K
R1, R4
4
10R
R2, R3, R5, R6

LM386 BTL design files

The KiCad project lives in the danchouzhou/LM386_BTL repository on GitHub; these links point at the commit this page was built from.

LM386 BTL: common questions

How big is the LM386 BTL PCB?

The LM386 BTL measures 44.5 × 44.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the LM386 BTL?

26 components, from 10 distinct parts. The full bill of materials is listed on this page.

Where can I download the LM386 BTL design files?

From the danchouzhou/LM386_BTL repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the LM386 BTL design in my own project?

The repository has no license, so all rights stay with danchouzhou. Use it as a reference, and ask the author before reusing the design.

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