TAS5176DDW - 6-Ch 100W Class-D Stage | Texas Instruments
부품 번호: TAS5176DDW ✓ 활성TAS5176DDW 개요
A Class-D amplifier is a switching audio power amplifier whose output stage operates in a PWM state rather than continuously conducting a linear signal. This architecture belongs to the amplifier IC category and reduces the power dissipated by the output devices compared with a linear amplifier of comparable output capability. The TAS5176 integrates six digital power channels into one package, making it suitable for home-theater receivers, active speakers, soundbars, and multichannel automotive audio systems.
The primary headline specifications are six output channels, up to 100 W of power capability, and a 0-V to 34-V supply range. The device accepts PWM signals directly, allowing it to work with a digital audio processor or PWM-generating audio engine. Its HTSSOP package contains 44 pins and provides a high-channel-count solution without requiring six separate power packages. The power stage is also suitable for subwoofer use when individual channels are configured appropriately.
Class-D amplification places strict demands on power-supply layout, switching-node control, and thermal management. The supply and ground connections must provide low-impedance paths for high switching currents, while the exposed thermal pad and PCB copper must remove heat effectively. Incorrect output-filter or speaker-load design can increase distortion and reduce protection margin, so the manufacturer datasheet configuration should govern component selection and board implementation.
Typical applications include 5.1-channel home theater amplification, active multiway speakers, powered subwoofers, compact multimedia systems, and automotive entertainment systems. An external digital audio processor can generate the PWM inputs, while the TAS5176 supplies the high-current channel drive. The six-channel arrangement also allows systems to combine several channels for higher-power BTL operation when the application and thermal design permit it.
The principal design trade-off is the need for careful high-current layout and heat removal. Compared with a linear output stage, Class-D efficiency can reduce waste heat, but a 44-pin HTSSOP power package still requires careful attention to copper area, via arrays, thermal vias, and output filtering. Verify speaker impedance, supply capability, channel configuration, and maximum dissipated power before releasing a production layout.
This page consolidates the exact orderable-device specifications, package information, application guidance, comparison fields, and engineering checks needed to evaluate TAS5176DDW. It also distinguishes confirmed technical facts from parameters that require confirmation in the full manufacturer datasheet before layout or production decisions.
드롭인 대체품: TAS5176DDW — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 제품에는 사용 가능한 드롭인 대체품이 없습니다.
대체품 요청TAS5176DDW 최대 정격 & 전기적 특성
| Product Type | Six-channel digital-amplifier power stage |
| Number of Channels | 6 channels |
| Power Capability | 100 W |
| Amplifier Class | Class D |
| Input Type | PWM input |
| Supply Voltage Range | 0 V to 34 V |
| PWM Supply Operating Range | 10.8 V to 13.2 V |
| Audio Configuration | 5.1-channel |
| Package Type | HTSSOP (DDW) |
| 핀 수 | 44 pins |
| Package Family | HTSSOP family, surface-mount package |
| 실장 유형 | Surface mount |
| Protection Features | Improved protection system |
| Single-Ended Subwoofer Capability | Greater than 25 W at 10% THD+N |
| BTL Configuration | Supports three-channel BTL operation |
TAS5176DDW htssop family, surface-mount package 핀 구성 가이드
TAS5176DDW(htssop family, surface-mount package 패키지)의 핀 구성입니다. 이 아날로그 부품에는 입력, 출력, 전원 공급 핀이 있습니다. 오프셋 널, 보상, 인에이블 핀 구성은 제조사 데이터시트를 참조하십시오. 신호 컨디셔닝 및 증폭기 회로에 이상적입니다.
다음에 대한 상세 핀아웃 데이터 없음: TAS5176DDW.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
TAS5176DDW 적합 용도: 6 애플리케이션s: 5.1-Channel Home Theater Power Amplifier, Powered Subwoofer Amplifier, Active Multichannel Speaker, Digital Multimedia Speaker System, Automotive Multi-Channel Audio, Professional Multimedia Amplifier.
5.1-Channel Home Theater Power Amplifier
The TAS5176DDW fits a 5.1-channel home theater output stage because it provides six PWM-input channels in one 44-pin HTSSOP package and is explicitly identified for 5.1-channel audio systems. A digital audio processor can generate the front, center, surround, and subwoofer PWM signals, while the power stage supplies the required speaker drive. The manufacturer documents greater than 25 W into an 8-ohm single-ended subwoofer at 10% THD+N. Design the supply and thermal path for the worst enabled-channel loading, and preserve the recommended output-filter and high-current layout.
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Powered Subwoofer Amplifier
The TAS5176DDW can serve as a powered-subwoofer stage when one output is operated in the manufacturer-supported single-ended configuration. Its stated capability exceeds 25 W into an 8-ohm load at 10% THD+N, making it relevant for compact home-theater and multimedia subwoofers. The PWM interface supports digital control from an audio processor, while the integrated Class-D output reduces the external discrete-driver count. Final speaker impedance, output-filter values, supply headroom, and copper heat-spreading area must follow the manufacturer reference design.
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Active Multichannel Speaker
An active speaker can use the TAS5176DDW to convert multiple PWM channels into low-level or high-power speaker drive without six separate monolithic amplifier packages. The six-channel organization supports three-channel BTL operation, subject to the documented power, filtering, and thermal limits. Because each enabled output contributes switching and conduction loss, engineers should calculate aggregate dissipation rather than relying on one channel's rating. Place the device near the power stage, use short PWM routes, provide a continuous supply plane, and connect the exposed thermal pad to a dedicated thermal-via array.
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Digital Multimedia Speaker System
The TAS5176DDW is suitable for digital multimedia speaker systems where a processor accepts an audio stream and generates PWM drive for multiple outputs. Its six channels can support surround or multiway speaker arrangements, while the 10.8-V to 13.2-V PWM operating range provides a defined rail for the switching stage. Integration reduces board area compared with six separate power packages, but it also concentrates heat inside the HTSSOP. Use the manufacturer reference layout, preserve adequate copper around all supply connections, and validate the output filters for the intended switching frequency.
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Automotive Multi-Channel Audio
The TAS5176DDW can support multichannel automotive entertainment amplification when its electrical, thermal, and qualification requirements are satisfied. Six integrated channels and PWM input suit centralized digital audio processing for front, rear, and low-frequency outputs, while the 44-pin HTSSOP simplifies routing to a common power-stage location. Automotive use requires confirmation of temperature range, AEC-Q100 status, load-dump behavior, vibration requirements, and transient immunity from the manufacturer documentation. The exposed pad and multilayer copper should be designed for the vehicle's highest expected ambient temperature and channel loading.
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Professional Multimedia Amplifier
A compact professional multimedia amplifier can use the TAS5176DDW when the system requires several synchronized Class-D outputs and accepts PWM control signals. Its 100-W family rating and six-channel integration suit powered speakers, presentation systems, and installation equipment with several amplified zones. The principal engineering concern is concentrated thermal dissipation: all six channels can operate simultaneously, so the PCB must provide a low-resistance heat path from the HTSSOP exposed pad. Validate real-world output power, distortion, protection behavior, and EMI using the manufacturer reference layout rather than relying on the family-level 100-W description alone.
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추천 제품 요약
엔지니어링 참조 데이터: TAS5176DDW — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 |
|---|---|
| Manufacturer | Texas Instruments |
| Package | 44-pin HTSSOP (DDW) |
| Number of Channels | 6 channels |
| Power Capability | 100 W |
| Amplifier Class | Class D |
| Input Type | PWM input |
| Supply Voltage Range | 0 V to 34 V |
| PWM Supply Operating Range | 10.8 V to 13.2 V |
| Audio Configuration | 5.1-channel |
| Protection Features | Improved protection system |
주요 차별점
- Six integrated Class-D output channels (vs TAS5186DDV)
- Direct PWM input architecture (vs TAS5186DDV)
- Documented subwoofer and BTL flexibility (vs TAS5186DDV)
설계 노트
Use the manufacturer reference layout for the 44-pin HTSSOP power stage. Place input and output-filter components close to the associated pins, keep PWM routes short, provide continuous supply and ground planes, and minimize the loop area of high-current switching paths. The exposed pad must connect to thermal copper through multiple vias; inadequate pad connection can raise junction temperature and reduce available output performance.
Calculate dissipation for the maximum simultaneous channel loading rather than one channel in isolation. Estimated: use the actual supply voltage, measured output power, amplifier efficiency, and ambient temperature to calculate channel loss, then sum all enabled channels. Compare the resulting junction-temperature estimate with the manufacturer limit. If copper area alone is insufficient, add a heat spreader and reassess the thermal path before production release.
Class-D output edges contain high-frequency energy even when the audio output is small. Keep the switching node compact, route it away from PWM inputs and sensitive analog sections, and use the recommended output-filter topology. Provide local high-frequency bypass on the supply pins and maintain a low-impedance ground return. Validate conducted and radiated emissions on the final PCB because cable, speaker, and enclosure choices can alter the EMI result.
Do not treat the family-level 100-W rating as an unconditional per-channel guarantee. Confirm the exact channel mode, supply voltage, speaker impedance, THD+N target, output filter, thermal condition, and protection state from the manufacturer datasheet. Also verify the full 44-pin net assignment and exposed-pad connection against the selected schematic before fabricating a board.
규정 준수 정보
No explicit compliance status was stated in the available manufacturer or distributor information. Confirm RoHS, REACH, AEC-Q100, lead-free, halogen-free, and conflict-minerals requirements for the ordered configuration before production release.
