Instruction/ maintenance manual of the product TPA2028D1YZFEVM Texas Instruments
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User's Guide SLOU283 – February 2010 TPA2028D1YZFEVM Contents 1 Introduction .................................................................................................................. 1 2 Operation ......................................
Operation www.ti.com 1.2 TPA2028D1YZFEVM Specifications V DD Supply voltage range –0.3 V to 6 V I DD Supply current 2 A Maximum P o Continuous output power per channel, 8 Ω , Vdd = 5.0 V, THD + N = 10% 1.7 W V I Audio Input Voltage 0.5 V to V DD - 0.
www.ti.com Operation 5. Powering the EVM: • The EVM can be powered via USB connection or by external power supply: (a) Via USB power: Install shunt for USBPWR if USB power is used. (b) External power supply: connect an external regulated power supply adjusted for 2.
Operation www.ti.com 2.1.3 Using the Software 1. Start the TPA2028D1 Interface by clicking the Start menu and clicking on the TPA2028D1 Interface icon.
www.ti.com Operation Figure 4. Software Interface NOTE: The TPA2028D1 powers up with the amplifier in software shutdown. To hear an output, uncheck shutdown. 3. Uncheck and check SPK_EN to place the Class-D output in and out of CHANNEL SHUTDOWN. 4. Click Shutdown to place the TPA2028D1 in and out of SOFTWARE SHUTDOWN.
Operation www.ti.com • Save Script can record the current register values. Select Save Script >> Click the folder icon to browse to the place where you want to save the script >> name the file in text format, then select OK to save. • Load Script can load the previously saved script to program the entire register file.
P1 . 0 USB+ VD D JP 2 S1 C5 0603 1000pfd/50V C4 0603 1000pfd/50V C6 0603 4700pfd/50V C7 0603 4700pfd/50V G ND GND GND GND GND GND GND GND GND GND GND R1 0603 100K C1 0603 1.0ufd/10V C2 0603 1.0ufd/10V C3 0603 1.0ufd/10V R2 D N P 0805 1.0K R3 D N P 0805 1.
USB+ P1.0 MRE SET ~ JP 4 +3 .3 VD +3.3VD +3.3 VD +3.3VD +3.3VD +3.3VD +3.3VD GN D GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND 27.4 0603 R8 27.4 0603 R9 S2 3.3V/500mA SOP8- D VR 1 100K 0603 R1 3 100K 0603 R1 1 3.09K 0603 R1 0 1.
D B D B www.ti.com TPA2028D1YZFEVM PCB Layers 4 TPA2028D1YZFEVM PCB Layers Figure 8. TPA2028DYZF1EVM – YZF-Device Top Layer Figure 9. TPA2028D1YZFEVM – YZF-Device Bottom Layer 9 SLOU283 – Februa.
TPA2028D1YZFEVM Parts List www.ti.com 5 TPA2028D1YZFEVM Parts List Table 1. Bill of Materials for TPA2028D1YZFEVM Ref Des Description QTY MFR Part No. MFR Vendor Part No. Vendor TI SEMICONDUCTORS U5 1.7 W Mono speaker driver W/AGC I2C CTRL, 1 TPA2028D1YZF Texas TPA2028D1YZF Texas WCSP9-YZF ROHS Instruments Instruments VR1 VOLT REG 3.
www.ti.com TPA2028D1YZFEVM Parts List Table 1. Bill of Materials for TPA2028D1YZFEVM (continued) Ref Des Description QTY MFR Part No. MFR Vendor Part No.
EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use.
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If you already are a holder of Texas Instruments TPA2028D1YZFEVM, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Texas Instruments TPA2028D1YZFEVM.
However, one of the most important roles played by the user manual is to help in solving problems with Texas Instruments TPA2028D1YZFEVM. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Texas Instruments TPA2028D1YZFEVM along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
