STPA003HSD-48X - 4x52W Class AB Audio Amplifier
부품 번호: STPA003HSD-48X ✓ 활성STPA003HSD-48X 개요
A bridge-tied-load audio amplifier is a power-management semiconductor that drives a speaker differentially. Unlike a single-ended amplifier, a BTL output applies the audio waveform across the two speaker terminals, increasing usable output voltage into the load. The STPA003 combines this output topology with MOSFET output devices, class AB conduction, and a high-side driver. These characteristics place it within the hierarchy of audio amplifier IC, power amplifier, analog power IC, and semiconductor.
The primary headline specifications are 4 x 52 W output power, four-channel class AB operation, and the 27-Flexiwatt vertical package. The verified manufacturer description also identifies low-voltage operation, high sound quality, excellent GSM noise immunity, clip detection, and offset detection as central device features. The quad-channel arrangement can reduce the number of amplifier packages needed in a multichannel automotive head unit or radio while retaining individual-channel fault monitoring.
The STPA003 is specifically intended for high-power car-radio applications. Its low-voltage operation is relevant to automotive systems where supply conditions can vary, while the specified GSM noise immunity helps preserve audio quality in electrically noisy environments. Clip detection can identify output overdrive conditions, and offset detection can flag undesirable output bias. These monitoring functions support safer system integration when paired with suitable diagnostic circuitry.
Typical applications include automotive head units, car-radio systems, multi-zone cabin audio, powered speaker arrangements, and low-voltage audio infrastructure. The four-channel BTL architecture is particularly useful where four speakers or stereo front and rear channels must be driven from one power-amplifier package. Installation still requires correct speaker impedance, supply decoupling, thermal planning, output filtering, and protection against wiring faults.
The primary design consideration is to follow the manufacturer datasheet for pin assignment, exposed-pad or thermal-pad connection, output filtering, input network, and application limits. Automotive battery power also requires transient and reverse-polarity protection outside the IC when required by the system specification. PCB copper area and thermal vias directly affect heat dissipation from the 27-Flexiwatt power package.
This page consolidates verified manufacturer and distributor information for engineering selection, including output topology, channel count, package identity, fault features, pricing context, and design considerations. It also separates explicitly documented characteristics from parameters that still require confirmation from the complete manufacturer datasheet or application-specific data.
드롭인 대체품: STPA003HSD-48X — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 제품에는 사용 가능한 드롭인 대체품이 없습니다.
대체품 요청STPA003HSD-48X 최대 정격 & 전기적 특성
| Product Type | 4-channel BTL audio power amplifier |
| Manufacturer | STMicroelectronics |
| Channel Configuration | 4 channels (quad) |
| Output Power | 4 x 52 W |
| Output Topology | Bridge-tied-load (BTL) |
| Output Stage | MOSFET class AB |
| 패키지 | 27-Flexiwatt vertical |
| Primary Application | High-power car radio |
| Driver Architecture | High-side driver |
| Supply Feature | Low-voltage operation |
| Noise Immunity | Excellent GSM noise immunity |
| Protection and Monitoring | Clip detection and offset detection |
| 실장 유형 | Surface mount |
STPA003HSD-48X 27-flexiwatt vertical 핀 구성 가이드
STPA003HSD-48X(27-flexiwatt vertical 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: STPA003HSD-48X.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
STPA003HSD-48X 적합 용도: 6 애플리케이션s: Automotive Head-Unit Power Stage, Four-Channel Car-Radio Amplification, Multi-Zone Cabin Audio, Powered Automotive Speakers, Automotive Infotainment Audio, Low-Voltage High-Power Audio Module.
Automotive Head-Unit Power Stage
The STPA003HSD-48X fits a four-channel automotive head-unit power stage because the manufacturer specifies 4 x 52 W, MOSFET class AB operation, and a low-voltage BTL architecture. Four bridge-tied-load outputs can serve front-left, front-right, rear-left, and rear-right speakers while keeping the external amplifier count low. The documented GSM noise immunity is useful in a vehicle electrical environment where RF coupling can otherwise reach audio circuitry. Designers must still confirm supply limits, load impedance, thermal conditions, and protection requirements from the complete datasheet.
추천
Four-Channel Car-Radio Amplification
The STPA003HSD-48X is directly aligned with a four-channel car-radio power amplifier because STMicroelectronics identifies it as a high-power car-radio device with four class AB outputs. The BTL topology supports differential speaker drive, while the 4 x 52 W rating provides ample scale for automotive speakers when the required test conditions are met. Clip and offset detection can provide valuable status signals for a radio controller. Exact output filters, input components, and diagnostic logic should be implemented according to the official application information.
추천
Multi-Zone Cabin Audio
A multi-zone cabin-audio system can use the STPA003HSD-48X to consolidate four speaker channels in one power-amplifier package. Its quad-channel organization simplifies channel allocation among front and rear zones, while the documented low-voltage operation targets battery-powered automotive environments. The class AB architecture keeps the output stage linear, and the claimed GSM noise immunity supports operation near communication equipment. Each speaker load, cable length, and filter network must still be validated against the amplifier's supported impedance and stability requirements.
추천
Powered Automotive Speakers
The STPA003HSD-48X is suitable for powered automotive speaker designs that require multiple BTL outputs and local power amplification. Four differential channels can reduce the number of separate power packages, and the verified 4 x 52 W specification supports high-power speaker configurations when supply and thermal conditions permit. Integrated clip detection helps identify overload events, while offset detection can flag output-bias conditions for system diagnostics. Board layout must provide low-impedance power distribution and the thermal resources required by the 27-Flexiwatt vertical package.
추천
Automotive Infotainment Audio
The STPA003HSD-48X can serve as the final power stage in an automotive infotainment unit requiring four amplified outputs. STMicroelectronics explicitly positions the device for high-power car-radio use, and its low-voltage operation supports integration with vehicle electrical systems. The 4-channel class AB configuration allows stereo front and rear playback from one device, while GSM noise immunity helps preserve signal quality in RF-intensive environments. The implementation must include all datasheet-required filtering, decoupling, fault handling, and thermal measures.
추천
Low-Voltage High-Power Audio Module
The STPA003HSD-48X is appropriate for a dedicated low-voltage audio module that concentrates high-power BTL output in a surface-mount package. Its four-channel organization allows one module to handle several speaker outputs, while the high-side driver, clip detection, and offset detection support system-level design. The stated 4 x 52 W capability must be interpreted with the manufacturer’s exact load, voltage, channel, and thermal conditions. External supply protection is advisable where the module must withstand automotive transients or accidental wiring faults.
추천
추천 제품 요약
엔지니어링 참조 데이터: STPA003HSD-48X — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 |
|---|---|
| Package | 27-Flexiwatt (Vertical) |
| Brand | STMicroelectronics |
| Channel Configuration | 4 channels (quad) |
| Rated Output Power | 4 x 52 W |
| Output Topology | Bridge-tied-load (BTL) |
| Output Stage | MOSFET class AB |
| Driver Architecture | High-side driver |
| Supply Feature | Low-voltage operation |
| Noise Immunity | Excellent GSM noise immunity |
| Fault Monitoring | Clip detection and offset detection |
주요 차별점
- Four-channel high-power output in one package (vs No verified drop-in alternative was found)
- Integrated diagnostic functions (vs No verified drop-in alternative was found)
- Automotive-oriented noise immunity (vs No verified drop-in alternative was found)
설계 노트
Treat the 27-Flexiwatt vertical package as a substantial heat-dissipation component and follow the manufacturer’s exposed-pad, copper-area, thermal-via, and maximum-power guidelines. The 4 x 52 W figure is a specified output rating whose validity depends on the test conditions. Do not equate it with unrestricted continuous dissipation capability. Validate worst-case channel loading, ambient temperature, PCB copper, nearby heat sources, and enclosure conditions during thermal analysis.
Use the official STPA003 datasheet for the supported supply range, output-filter values, input network, grounding arrangement, and diagnostic connections. Supply and ground paths should use short, wide copper routes because four audio channels can demand substantial current. Place required bypass capacitors close to their specified pins, maintain the recommended return-path geometry, and add automotive transient or reverse-polarity protection externally when required by the system specification.
Keep sensitive input and diagnostic traces away from high-current output and supply paths to reduce coupling from switching nodes and fast output edges. Follow the manufacturer reference layout for output filters and input components rather than substituting generic Class AB networks. Thermal vias under the package heat-spreading area should be sized and counted according to the official package drawing. Confirm that the PCB assembly process can maintain flatness and that the exposed thermal pad is connected as directed.
Do not infer a pinout from another 27-Flexiwatt amplifier; STMicroelectronics may assign pins differently even when package dimensions match. Verify the exact STPA003HSD-48X terminal map, output-filter requirements, allowed speaker impedance, thermal limits, and diagnostic truth states in the manufacturer datasheet. Also verify the output-power conditions before promising 52 W per channel, because supply voltage, load, simultaneous-channel operation, and board temperature affect the usable result.
규정 준수 정보
The supplied verified excerpts identify the product as an automotive car-radio amplifier but do not explicitly document RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status for the exact MPN. Current manufacturer declarations and qualification records must be obtained before regulatory use.
