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Texas Instruments LM5010 | Demoboard TPA3223EVM
200-W stereo, 400-W mono, 10 to 45-V supply, analog input class-D audio amplifier with low-idle
Overview
| Topology | Buck Converter |
| Input voltage | 8-75 V |
| Output 1 | 15 V / 1 A |
Description
The TPA3223EVM HD-Audio evaluation module demonstrates the TPA3223 pad-up integrated circuit from Texas Instruments. The TPA3223 is a high-power Class-D amplifier that enables efficient operation at full-power, idle and standby. The device features closed-loop feedback which provides low distortion across the audio band and delivers excellent sound quality. The device integrates essential protection features including undervoltage, overvoltage, cycle-by-cycle current limit, short circuit, clipping detection, and overtemperature warning and shutdown. The device operates with either AD modulation or low idle-current high-efficient AD (HEAD) modulation,and can drive up to 2 x 200 W into 4-Ω load or 1 x 400 W into 2-Ω load. The TPA3223EVM features adjustable gain settings from 20-36dB, and allows for flexible input signals with 1-2Vrms single-ended/differential analog input interface. The EVM supports 2 x BTL (stereo) output channel or 1 x PBTL (mono) output channel configurations. The TPA3223EVM is a complete reference design for the TPA3223, ready for evaluation and excellent listening.
Features
- Stereo HD Audio evaluation module
- Integrated protection system (short circuit, clip and thermal)
- Device integrated support for Single-Ended (SE) and Differential analog input signals
- BTL and PBTL output configurations supported
- Convenient XLR input connections for differential input
Typical applications
- Bluetooth and Wi-Fi™ speakers, Soundbars, Subwoofer, Professional and public address (PA) speakers
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | RESR(mΩ) | ILeak(µA) | DF(%) | Ø D(mm) | L(mm) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 100 µH, 1.8 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance100 µH | Saturation Current1.8 A | DC Resistance198 mΩ | Self Resonant Frequency5.9 MHz | Size1050 | VersionPerformance | – | – | – | – | – | – | – | – | Length10 mm | – | ||||
 | WCAP-PSLP Aluminum Polymer Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-PSLP Aluminum Polymer Capacitors | – | – | – | – | Size6.3 x 5.8 | – | Capacitance47 µF | Rated Voltage16 V (DC) | Endurance 2000 | Ripple Current2200 mA | ESR35 mΩ | Leakage Current400 µA | Dissipation Factor8 % | Diameter6.3 mm | Length5.8 mm | Packaging15" Tape & Reel |