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SLVUAT5–November 2016
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TPA3244 Evaluation Module
User's Guide
SLVUAT5–November 2016
TPA3244 Evaluation Module
This user’s guide describes the operation of the evaluation module (TPA3244EVM, rev. B) for the
TPA3244 40-W Continuous/100-W Peak Stereo PurePath™ Ultra-HD Analog Input Power Stage. The
user’s guide also provides design information, which includes schematic, BOM, and PCB layout. For
questions and support, go to the E2E forums (e2e.ti.com).
The main contents of this document are:
• Hardware descriptions and implementation
• Design information
Related documents:
• TPA3244 data sheet (SLASEC6)
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Contents
1 Hardware Overview.......................................................................................................... 3
1.1 TPA3244EVM Features............................................................................................ 3
1.2 TPA3244EVM Frequency Adjust ................................................................................. 4
1.3 TPA3244EVM Single-Ended and Differential Input ............................................................ 4
1.4 TPA3244EVM Clip Overtemperature and Fault Indicators.................................................... 5
1.5 TPA3244EVM LC Filter ............................................................................................ 5
2 TPA3244EVM Setup ........................................................................................................ 7
2.1 TPA3244EVM Setup ............................................................................................... 7
2.2 Hardware Requirements........................................................................................... 7
2.3 Hardware Default Setup BTL (2.0) ............................................................................... 8
3 Using the TPA3244EVM in Different Output Configurations ......................................................... 10
3.1 BTL Plus Two SE (2.1) Operation .............................................................................. 10
3.2 PBTL (0.1) Output Operation .................................................................................... 12
3.3 Single-Ended (SE) Output (4.0) Operation .................................................................... 13
4 Optional Inductors.......................................................................................................... 14
5 Board Layouts, Bill of Materials, and Schematic....................................................................... 15
5.1 TPA3244EVM Board Layouts ................................................................................... 15
5.2 TPA3244EVM Board Dimension ................................................................................ 17
5.3 Bill of Materials .................................................................................................... 18
5.4 TPA3244EVM Schematic ........................................................................................ 21
List of Figures
1 TPA3244EVM ................................................................................................................ 3
2 Type-2 Filter for BD or AD Modulation.................................................................................... 5
3 TPA3244EVM LC Filter Cutoff Frequency ............................................................................... 6
4 TPA3244EVM Connections ................................................................................................ 7
5 TPA3245EVM THD + N vs Output Power 30 V, BTL 4 Ω, 600 kHz ................................................ 14
6 TPA3244EVM Top Composite Assembly............................................................................... 15
7 TPA3244EVM Bottom Composite Assembly........................................................................... 16
8 TPA3244EVM Board Dimension......................................................................................... 17
9 TPA3244EVM Schematic 1............................................................................................... 21
10 TPA3244EVM Schematic 2............................................................................................... 22
