STA510F - 44V 5.5A Quad Half-Bridge Power Stage | STMicroelectronics
Teilenummer: STA510F ✓ AktivSTA510F Übersicht
A power half-bridge is a switching amplifier output stage that uses complementary high-side and low-side transistors to drive a load between two supply rails. The half-bridge belongs to the Class D power-amplifier hierarchy, combines with an input or control IC, and ultimately forms a linear audio or motor-power subsystem. Unlike a linear output stage, the switching architecture transfers more of the applied energy to the load and reduces output-stage dissipation.
The STA510F's principal verified specifications are its 44 V maximum operating voltage, 5.5 A current capability, quad half-bridge organization, and multipower BCD process technology. The CONFIG pin provides an important topology option: tying it to Vdd reallocates the available output current to a single-bridge configuration with double current capability. Thermal warning, thermal protection, under-voltage protection, and CMOS-compatible logic inputs are also identified in the available manufacturer data.
The complementary DMOS output stage is designed for compact, high-current audio amplification without requiring a large external output transistor network. Logic-compatible control reduces the interface burden between the amplifier stage and a host processor or audio controller, while integrated thermal and under-voltage protection address common fault conditions in high-power audio equipment.
Typical uses include automotive head units, stereo and multichannel audio amplifiers, home-theater power stages, and compact industrial or professional audio systems. Designers should confirm exact channel mapping, thermal limits, output configuration, and PCB requirements against the manufacturer datasheet before laying out a power amplifier board.
For a new design, provide the PowerSSO-36 exposed-pad land pattern, robust high-current and high-voltage routing, low-impedance supply decoupling, and a thermal path that carries worst-case conduction losses away from the package. Account for the amplifier mode selected by CONFIG rather than treating all four half-bridges as an unrestricted five-channel output.
This page combines the verified manufacturer description, distributor identification, configuration options, protection functions, and engineering-oriented design guidance. Pricing shown in the structured offer is a placeholder because the retrieved distributor results did not expose a numeric price; current inventory and quotation must therefore be confirmed with authorized distributors.
Drop-in-Alternativen für STA510F – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Für dieses Produkt sind keine Drop-in-Alternativen verfügbar.
Alternativen anfordernSTA510F Grenzwerte & elektrische Eigenschaften
| Device Type | Monolithic quad Class D power half-bridge stage |
| Maximum Operating Voltage | 44 V |
| Rated Output Current | 5.5 A |
| Power Stage Configuration | Quad half-bridge; dual-bridge, single-bridge, or binary half-bridge modes |
| Process Technology | Multipower BCD technology |
| Output Stage | Complementary DMOS output stage |
| Single-Bridge Configuration | Double current capability when CONFIG is connected to Vdd |
| Logic Input Compatibility | CMOS compatible |
| Thermal Protection | Integrated |
| Thermal Warning | Integrated |
| Under-Voltage Protection | Integrated |
| Power-Sequence Requirement | No power-on or power-off sequence required |
| Gehäuse | PowerSSO-36 EPU |
| Montageart | Surface mount |
| Anzahl der Pins | 36 pins |
| Ausgangskonfiguration | 1-channel mono or 2-channel stereo |
STA510F powersso-36 epu Pinbelegungsleitfaden
Pinbelegung für STA510F (powersso-36 epu-Gehäuse). Dieses analoge Bauteil verfügt über Eingangs-, Ausgangs- und Versorgungspins. Offset-Null-, Kompensations- und Enable-Pin-Konfigurationen entnehmen Sie dem Herstellerdatenblatt. Ideal für Signalaufbereitung und Verstärkerschaltungen.
Keine detaillierten Pinbelegungsdaten verfügbar für STA510F.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
STA510F ist geeignet für 6 Anwendungs: Automotive Head-Unit Audio Amplification, Stereo and Multichannel Home-Audio Power Stages, Professional Audio Power Amplifier, Compact Audio Amplifier Modules, Multichannel Speaker System, Industrial Audio Control and Monitoring.
Automotive Head-Unit Audio Amplification
The STA510F fits automotive head-unit and compact automotive audio designs that require high-current Class D output from a few amplifier channels. Its verified 44 V and 5.5 A ratings provide the necessary voltage and current framework for multiway loudspeaker drive, while the quad half-bridge architecture supports dual-bridge or independently configured half-bridge operation. The CMOS-compatible logic inputs simplify control from an audio host. However, the retrieved data does not confirm AEC-Q100 qualification, so an automotive program must verify qualification, temperature range, load compatibility, and transient requirements. PCB design should reserve a robust PowerSSO-36 thermal pad, low-impedance supply paths, and protection for the vehicle power environment.
Empfohlen
Stereo and Multichannel Home-Audio Power Stages
The STA510F is appropriate for stereo and multichannel home-audio power stages where a controller provides modulation and the STA510F supplies the high-current switching output. Its four half-bridges can form two full bridges for a conventional stereo arrangement, while CONFIG offers alternate bridge allocation when higher current is needed. The verified 44 V maximum voltage, 5.5 A headline current, complementary DMOS output, and integrated protections reduce the external power-stage component count. Engineers should still confirm thermal limits and distortion for the intended speaker impedance and frequency band. The PCB must provide continuous power and ground planes, low-impedance decoupling, controlled switching-current paths, and adequate copper beneath the exposed pad.
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Professional Audio Power Amplifier
The STA510F can serve in professional or installation audio products requiring efficient, high-current switching outputs without a discrete transistor output network. The multipower BCD process and complementary DMOS stage are intended to place the power function close to the load, while thermal warning and thermal protection provide system-level fault visibility. The quad topology allows channel allocation to be reviewed against the required mono, stereo, or bridged configuration. Because the retrieved data does not provide continuous-power curves, thermal resistance, THD versus frequency, or allowable speaker impedance, these parameters must be checked in the manufacturer datasheet before design release. Layout should minimize loop area and maintain a low-impedance thermal and power-return path.
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Compact Audio Amplifier Modules
The STA510F is suitable for compact external amplifier modules where PCB area, component count, and output current constrain the design. Integrating four half-bridges, complementary DMOS outputs, thermal warning, thermal protection, and under-voltage protection into one PowerSSO-36 EPU device reduces the number of external output components. The manufacturer’s CONFIG option permits a single-bridge arrangement with double current capability when the application can use fewer channels at higher current. Thermal management remains central because a small module may lack the heat-spreading area of a full-size amplifier. The design should use the exposed pad as specified, keep switching current out of sensitive signal areas, and provide local high-frequency supply bypassing directly between the power pins and ground reference.
Empfohlen
Multichannel Speaker System
The STA510F’s quad half-bridge organization can support multichannel speaker systems where several power outputs share a controlled supply and protection scheme. Two full bridges can be formed for stereo use, while the remaining output capability can be allocated according to the selected configuration. The verified 44 V, 5.5 A ratings make topology and thermal calculations central to channel planning; the headline current must not be treated as an unrestricted continuous rating for every load. The integrated thermal warning and under-voltage protection improve fault observability but require the host system to react appropriately. Board implementation should separate sensitive input routing from high-current switching nodes and use the package’s exposed-pad land pattern for reliable heat spreading.
Empfohlen
Industrial Audio Control and Monitoring
The STA510F can serve in industrial audio systems that combine high-current loudspeaker drive with embedded monitoring and fault management. Its CMOS-compatible logic inputs allow connection to a controller, while the available thermal warning, thermal protection, and under-voltage protection provide status and fault signals for supervision. The quad half-bridge can be configured to match the channel count of the installation instead of deploying separate output ICs for every channel. Industrial enclosure temperature, fan behavior, and long-duration continuous load are not specified in the retrieved excerpts and must be verified against the datasheet. Designers should include current monitoring, emergency shutdown behavior, and local decoupling in the final power-amplifier implementation.
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Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für STA510F – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt |
|---|---|
| Brand | STMicroelectronics |
| Package | PowerSSO-36 EPU |
| Maximum Operating Voltage | 44 V |
| Rated Output Current | 5.5 A |
| Power Stage Architecture | Monolithic quad half-bridge |
| Process Technology | Multipower BCD technology |
| Output Device | Complementary DMOS output stage |
| Configuration Control | CONFIG pin supports dual-bridge, single-bridge, and binary half-bridge modes |
| Protection Functions | Thermal protection, thermal warning, and under-voltage protection |
| Logic Compatibility | CMOS-compatible logic inputs |
| Power Sequencing | No power-on or power-off sequence required |
| Quantity-1 Price | Numeric price unavailable as of 2026-10-28 |
Wichtigste Unterscheidungsmerkmale
- Configurable quad power-stage topology (vs. Discrete complementary transistor output stages)
- Integrated fault-management functions (vs. Discrete output stages without dedicated local protection)
- High-current integration without an external transistor network (vs. Discrete DMOS output-stage design)
Designhinweise
Treat the exposed pad as an essential thermal and electrical connection rather than an optional land. The retrieved sources confirm thermal warning and thermal protection but do not provide junction-temperature limits or thermal resistance. Use the official datasheet and the actual PCB stack-up to estimate dissipation for the selected bridge mode and worst-case load. If the calculated junction temperature approaches its limit, increase copper area, improve airflow, or reduce continuous output; protection should not be treated as a substitute for thermal design.
Place input, output, supply, and ground connections according to the exact STA510F datasheet layout. Keep the high-current switching loop as short as practical, provide local low-inductance supply decoupling, and connect the PowerSSO-36 exposed pad to the recommended copper and thermal structure. Do not route sensitive modulation or feedback signals beneath or between power-stage switching nodes, where high dV/dt could increase coupling into the audio signal path.
Verify the selected CONFIG state, supply voltage, output topology, and load before assigning a current limit to the STA510F. Connecting CONFIG to Vdd creates the single-bridge arrangement with double current capability described by STMicroelectronics, but the available 5.5 A headline rating does not by itself establish continuous dissipation at every impedance or output frequency. Use the manufacturer’s electrical limits and thermal calculations for the final protection and supply design.
Do not substitute a related ordering code based only on the number of pins. The supplied cross-reference identifies STA510FTR as a related 36-pin surface-mount ordering variant, but it is excluded from the alternatives list because the verified excerpts do not establish it as a distinct drop-in electrical equivalent. Confirm the manufacturer ordering table, package, temperature grade, pinout, and lifecycle status whenever the suffix changes.
Compliance-Informationen
The supplied manufacturer and distributor excerpts do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Compliance must be confirmed from the current STMicroelectronics product documentation and declarations.
