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Home Products Integrated Circuits (ICs)Specialized ICs~~TAS5780MDCAR~~

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TAS5780MDCAR - Texas Instruments

Name: Texas Instruments TAS5780MDCAR
Brand: Texas Instruments
SKU: TAS5780MDCAR
Price: 2.722 USD
Availability: InStock
Rating: 5 (10 reviews)

Manufacturer Part Number: TAS5780MDCAR

Manufacturer: Texas Instruments

Allelco Part Number: 41D-TAS5780MDCAR

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 5,740 pcs available, New & Original

Parts Description: HTSSOP-48

Data sheet: -

Category: Integrated Circuits (ICs) > Specialized ICs

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In stock: 5740

Unit Price: $7.422
Subtotal: $0.00

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Quantity	Unit Price	Ext. Price
1+	$7.422	$7.42
200+	$2.872	$574.40
500+	$2.772	$1,386.00
1000+	$2.722	$2,722.00

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TAS5780MDCAR Tech Specifications
Texas Instruments - TAS5780MDCAR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TAS5780MDCAR

Product Attribute	Attribute Value
Part Number	TAS5780MDCAR
Package	HTSSOP-48
Description	HTSSOP-48
Stock Condition	Get 5740 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	Texas Instruments
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Frequently Asked Questions(FAQ)

What is the recommended supply voltage range for optimal performance of the TAS5780MDCAR Class D amplifier IC, and how does it affect output power delivery at 4 ohms?: The TAS5780MDCAR operates reliably across a supply voltage range of 4.5V to 26.4V, with peak efficiency typically achieved near 24V. At this nominal rail, the device delivers 40W per channel into a 4Ω load, which aligns with typical high-power audio applications. Lower voltages reduce maximum output swing and available headroom, potentially limiting dynamic range and increasing distortion under high signal excursions. Conversely, higher voltages improve headroom but increase power dissipation and require careful thermal management. Designers should ensure stable, ripple-free supplies within this range to maintain THD+N performance below 0.1% at rated output.

How does the TAS5780MDCAR’s short circuit protection feature function, and what are the implications for system reliability in automotive or industrial environments?: The TAS5780MDCAR incorporates internal short circuit protection that monitors load impedance and output current in real time. If a short or near-short condition is detected—such as speaker lead failure or excessive DC offset—the device enters a safe shutdown mode, reducing quiescent current and preventing thermal runaway. This protection is active during both normal operation and startup transients. In harsh environments like automotive systems, where vibrations and temperature swings can stress connections, this feature significantly improves robustness. However, repeated short events may trigger thermal foldback or latch-up depending on fault duration; thus, external fuse or poly-switch protection is often recommended for critical applications.

Can the TAS5780MDCAR be used in a bridged-mono configuration, and if so, what performance trade-offs should be considered compared to stereo operation?: While the TAS5780MDCAR is architected as a dual-channel stereo Class D amplifier, it can be configured in bridged-mono mode by driving one channel differentially while grounding the other input. This effectively doubles the output swing across a single 8Ω load, delivering approximately 80W total power. However, this configuration disables one channel, reduces overall efficiency slightly due to increased switching losses, and requires precise input matching to avoid common-mode noise. Compared to stereo use, bridged operation trades channel count for power density but sacrifices flexibility and increases PCB complexity. It is suitable for subwoofer or mono line-level applications where space and output power are prioritized over stereo imaging.

How does the operating temperature range of -25°C to 85°C influence thermal design when using the TAS5780MDCAR in compact enclosures?: The TAS5780MDCAR is rated for industrial-grade temperatures, enabling deployment in environments with significant ambient fluctuations. At full 40W/channel output into 4Ω, internal power dissipation can reach ~8–10W per channel under worst-case conditions (e.g., clipping, high ambient temp). With an RθJA of approximately 30°C/W in typical board layouts, junction temperatures may exceed 85°C without adequate heatsinking or airflow. In sealed enclosures, passive cooling becomes insufficient above 3W dissipation per channel; therefore, designers must optimize copper area, use thermal vias, or consider derating output power to maintain long-term reliability. Thermal simulation tools are recommended to validate layout performance under sustained load.

What mounting considerations apply to the TAS5780MDCAR’s 48-HTSSOP package, especially regarding soldering and mechanical stability?: The TAS5780MDCAR uses a 48-pin PowerTFSOP package (6.10mm width), which is surface-mount compatible and packaged in tape & reel for automated assembly. Its exposed thermal pad must be soldered directly to a solid ground plane on the PCB to ensure proper heat dissipation and electrical connection. During reflow, care must be taken to avoid solder bridging between adjacent pins, particularly in fine-pitch rows. The MSL 3 rating indicates the part can withstand up to three reflow cycles with 168-hour floor life after opening. Mechanical stress during handling should be minimized due to the small form factor; conformal coating may be applied post-assembly but must not insulate the thermal pad.

How does the TAS5780MDCAR compare to other Texas Instruments Class D amplifiers like the TPA3116D2 in terms of input architecture and feedback topology?: Unlike the TPA3116D2, which uses a fixed-gain delta-sigma modulator and relies on external feedback networks, the TAS5780MDCAR employs an adaptive feedback loop with configurable gain settings via I²C and supports both fixed and variable gain modes. This allows finer control over signal integrity and compatibility with digital front-end processing. Additionally, the TAS5780 includes built-in diagnostics and fault reporting over I²C, whereas the TPA3116 offers simpler plug-and-play operation. The TAS5780 is better suited for systems requiring remote monitoring and adaptive gain staging, while the TPA3116 favors cost-sensitive, low-complexity designs. Both deliver similar efficiency (>90%), but the TAS5780 provides greater configurability at the expense of software overhead.

What role does the base product number TAS5780 play in the ecosystem, and how does the TAS5780MDCAR variant differ from other suffixes like TAS5780MDA?: The base model TAS5780 defines the core IC architecture, including modulation scheme, protection features, and pinout compatibility. The TAS5780MDCAR differs from variants such as TAS5780MDA primarily in packaging and environmental compliance: "CAR" denotes automotive-grade qualification under AEC-Q100, ensuring enhanced reliability for vehicle applications, while "DA" is commercial grade. Both share identical electrical performance, but only the CAR variant meets stringent automotive standards for temperature cycling, humidity resistance, and ESD robustness. Selection depends on application domain—consumer vs. automotive—with no performance penalty for choosing the CAR version beyond qualification cost.

How does the TAS5780MDCAR handle electromagnetic interference (EMI) in densely populated PCBs, and what layout practices mitigate radiated emissions?: As a high-speed Class D amplifier, the TAS5780MDCAR generates significant high-frequency harmonics that can couple into nearby circuits. To minimize EMI, the output stage requires tightly controlled PCB traces with matched impedance, minimal loop area between high-current paths, and decoupling capacitors placed within 5mm of each supply pin. Ground planes should be unbroken beneath the IC, and the thermal pad must connect directly to a low-impedance return path. Shielding cans or copper pours over sensitive analog sections can further suppress radiation. Compliance with CISPR 25 for automotive systems demands additional filtering at outputs and careful clock routing, as the internal PWM frequency (typically 400–500 kHz) can alias into audible bands if poorly managed.

Is it feasible to operate the TAS5780MDCAR near its minimum supply voltage (4.5V), and what degradation occurs in audio fidelity under such conditions?: Operating near 4.5V limits headroom severely, reducing maximum output swing and increasing harmonic distortion, especially in dynamic passages. At 5V supply, the device may deliver only ~25W into 4Ω before clipping, with THD+N rising above 1%—unacceptable for high-fidelity systems. While functional, low-voltage operation forces aggressive gain staging upstream, risking quantization noise and intermodulation distortion. Battery-powered designs using Li-ion packs (3.7–4.2V nominal) may necessitate boost converters, adding complexity. For best results, maintain supply rails above 18V when targeting full-rated performance, reserving low-voltage modes for ultra-low-power auxiliary channels or voice-only applications.

What diagnostic capabilities does the TAS5780MDCAR offer through I²C, and how can they aid in system troubleshooting?: The TAS5780MDCAR exposes multiple status registers via I²C that report real-time faults such as overcurrent, overtemperature, under-voltage lockout, and short-circuit events. These enable host microcontrollers to implement predictive maintenance routines or user-facing error indicators. For example, a gradual rise in die temperature could signal inadequate heatsinking before thermal shutdown occurs. Additionally, gain and mute states are software-controllable, allowing remote volume adjustment without analog pots. However, I²C communication requires pull-up resistors (typically 4.7kΩ) and proper bus timing; noisy environments may cause register corruption, so robust firmware with retry logic is essential for reliable diagnosis in embedded audio systems.

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Customer Reviews

Evaluation: 10 Articles

Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.
Oliv***arris

May 7, 2026

Reliable I/O expander. Works well in embedded control applications.
Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

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Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

QC (Quality Warranty)
Payment Support
Packaging
Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.

Strict quality inspection builds a solid foundation for electronic component quality.

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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.

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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification

ISO 9001: 2015
ISO 13485: 2016
ISO 14001: 2015
ISO 28000: 2007
ISO 45001: 2018
GB/T 27922-2011

SMTA
IPC
ESD
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TAS5780MDCAR

Texas Instruments
41D-TAS5780MDCAR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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Please refer to the English Version as our Official Version.Return

TAS5780MDCAR - Texas Instruments

Specifications

Frequently Asked Questions(FAQ)

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

Solid diode for power rectification. Works well in switching circuits.

Compact FPGA with good performance. Suitable for basic signal processing tasks.

Reliable I/O expander. Works well in embedded control applications.

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.