I made an audio amplifier using the Class D amplifier IC TPA2011D1 released from Texas Instruments.
Designed to be as small as possible.
TPA2011D1 is WLCSP.
Additional notes 2019/11/12
The voice for the first 5 seconds is missing. I don’t re-upload because it ’s not so important
★ Circuit diagram
https://ichiken-youtube.hatenablog.com/entry/2019/11/12/011622
★ Parts list
Chip monolithic ceramic capacitor: 50 V, 0.1 μF, 1602, muRata.
Chip monolithic ceramic capacitor: 10 V, 22 μF, 1602, muRata.
Chip resistance: 100 kΩ, 1602, SUSUMU.
Audio IC: TPA2011D1, Texas Instruments.
★ PCB supplier
JLCPCB.com
★ Click here for channel registration
http://www.youtube.com/channel/UCGhudK3AIG152KrfURCSb2Q?sub_confirmation=1