Texas Instruments TPA3223EVM, User Manual, Page: 3 / 33

1 Quick Start (BTL MODE)
The following section describes the necessary hardware, connections, configuration, and steps to quick start the
EVM into BTL mode with stereo audio playing out of two speakers.
Figure 1-1 illustrates the BTL mode output configuration.
Class-D
Amplifier
OUT-A
OUT-B
OUT-C
OUT-D
Figure 1-1. Output Configuration BTL
1.1 Required Hardware
The following hardware is required for this EVM:
• TPA3223EVM
• Power supply 5–14 A, 12–45 VDC
• Two 3–8 Ω speaker or resistor loads (make sure that speaker/load is appropriately sized for required wattage
output)
• Four speaker, banana cables
• Four XLR or two RCA input cables
• Analog output audio source
www.ti.com Quick Start (BTL MODE)
SLAU874 – OCTOBER 2022
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TPA3223 Evaluation Module 3
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