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TPA3136D2 Datasheet(PDF) 23 Page - Texas Instruments |
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TPA3136D2 Datasheet(HTML) 23 Page - Texas Instruments |
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23 / 41 page  S1 SHUTDOWN 100k R9 PVCC GND RINN RINP PVCC PVCC 1uF 35V C1 GND GND GND PVCC GND GND GND GND GND 4 3 1 J9 RIN TP8 RINN 100k R6 PLIMIT ADJ 10.0k R5 GND TP6 PLIMIT GND RINP RINN PLIMIT GAIN_SEL SD/FAULT OUTPL OUTNL OUTNR OUTPR 1000pF 100V C6 1000pF 50V C7 OUTL+ OUTR+ GND GND OUTPL GND 1000pF 100V C27 1000pF 50V C28 GND GND GND OUTPR MODE_SEL 330pF 50V C26 330pF 50V C5 TP7 RINP TP9 SHUTDOWNz TP5 GVDD PVCCL PVCCR GND PVCC GND IN = 20dB Gain OUT = 26dB Gain 100k R12 PVCC GND IN = BD OUT = Low Idle Current 100k R13 J10 RGND J13 GAIN SEL J14 MODE SEL J7 L1 L2 0.22uF 25V C17 0.22uF 25V C18 0.22uF 25V C19 0.22uF 25V C20 1uF 35V C16 1uF 35V C24 1uF 35V C25 GND MUTE 15 SDZ/FAULT 4 LINP 5 LINN 6 MOD_SEL 8 GAIN_SEL 7 AGND 10 GVDD 11 RINN 13 RINP 14 PLIMIT 12 AVCC 9 PVCCL 3 PVCCR 16 BSPR 17 OUTPR 18 PGND 19 OUTNR 20 BSNR 21 BSNL 22 OUTNL 23 PGND 24 OUTPL 1 BSPL 2 PAD 25 U1 TPA3139D2RGE 100uF 50V C2 1000pF 50V C4 25V 0.1uF C3 100uF 50V C8 1000pF 50V C10 25V 0.1uF C9 L1 L3 S2 MUTE 100k R14 PVCC GND MUTE PLIMIT Q1 GND PVCC 200k R15 10.0 R1 68.0 R2 10.0 R10 68.0 R11 Figure 8-2. Stereo Class-D Amplifier in PBTL Configuration with Single-Ended Input, Spread Spectrum Modulation and 1SPW Mode 8.2.1 Design Requirements 8.2.1.1 PCB Material Recommendation FR-4 Glass Epoxy material with 1 oz. (35 µm) is recommended for use with the TPA3139D2. The use of this material can provide higher power output, improved thermal performance, and better EMI margin (due to lower PCB trace inductance). It is recommended to use several GND underneath the device thermal pad for thermal coupling to a bottom-side copper GND plane for best thermal performance. 8.2.1.2 PVCC Capacitor Recommendation The large capacitors used in conjunction with each full-bridge, are referred to as the PVCC capacitors. These capacitors should be selected for proper voltage margin and adequate capacitance to support the power requirements. In practice, with a well designed system power supply, a capacitor with 100 μF and 16 V supports most applications with 12-V power supply. 25-V capacitor rating is recommended for power supply voltage higher than 12 V. For The PVCC capacitors should be low ESR type because they are used in a circuit associated with high-speed switching. www.ti.com TPA3139D2 SLOS810A – OCTOBER 2019 – REVISED AUGUST 2020 Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 23 Product Folder Links: TPA3139D2 |
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