Shenzhen Mingjiada Electronics Co., Ltd. (hereinafter referred to as “Mingjiada Electronics”), a professional supplier with nearly three decades of experience in the electronic component distribution sector, has long supplied genuine, original Texas Instruments (TI) automotive audio amplifier chips. Its product line covers complete solutions ranging from entry-level in-vehicle alert tones to high-end multi-channel infotainment systems, capable of meeting customers’ needs for sample procurement, project-based bulk orders, and long-term supply.
I. TI Automotive Audio Amplifier Product Series
All TI automotive audio amplifier chips supplied by Mingjiada Electronics comply with AEC-Q100 automotive-grade certification, support 12V vehicle start-stop systems, and feature 40V load dump protection. They are primarily designed for applications such as automotive infotainment head units, emergency call (eCall) systems, Acoustic Vehicle Alerting Systems (AVAS), dashboard audio, and external amplifier modules. The specific product series supplied include:
1. TAS5431 — Mono Class D Audio Amplifier
Output Power: 8W (4Ω load, 14.4V supply, THD+N < 10%)
Wide voltage range: 4.5V–18V, compatible with automotive start-stop systems
Key features: Integrated 40V load dump protection, I²C diagnostics, and open-circuit/short-circuit detection, Speaker Guard™ protection
Target applications: Emergency call (eCall), telematics, instrument cluster audio
2. TPA6404 — Four-Channel Analog-Input Class D Audio Amplifier
Output Power: 27W × 4 (4Ω, 10% THD) or 45W × 4 (2Ω, 10% THD); up to 85W (1Ω) in PBTL mode
Switching Frequency: 2.1MHz (above the AM band to eliminate interference and reduce filter size)
Key Features: I²C gain control, load diagnostics, 40V load dump protection, clipping detection, and thermal foldback
Target Applications: Head units, external amplifier modules
3. TAS5760M — 2×25W Digital-Input Class D Amplifier
Suitable for emergency call (eCall), AVAS, and entry-level infotainment systems
4. TAS2505A — 2.6W Class D Amplifier with Digital/Analog Inputs
Integrated audio processing capabilities, suitable for space-constrained in-vehicle alert tone applications
5. TAS6584 — Four-Channel Class D Amplifier with Digital Inputs
Supports 45V operating voltage and high output current, suitable for high-performance in-vehicle amplifiers
6. TAS67524 — 50W Four-Channel Digital-Input Class D Amplifier
Features 1L modulation technology and integrates real-time load diagnostics and current detection
7. TPA3110D2 — 15W Filterless Stereo Class D Amplifier
Supports single-inductor (1L) modulation, effectively reducing filter size
In addition, Mingjiada Electronics also supplies multiple series and models, including the TAS6501, TAS6424, TAS6684, and TAS5411, covering a full product matrix ranging from mono to four-channel and from analog to digital inputs.
II. Core Product Advantages
TI’s automotive audio amplifier chips feature the following technical characteristics, helping customers simplify design and enhance system reliability:
Automotive-grade reliability: AEC-Q100 Grade 1 certified (operating temperature range: -40°C to +125°C)
High power supply rejection ratio (PSRR): Typical PSRR of 75 dB, effectively suppressing power supply noise
High Efficiency: Class D topology efficiency up to 83% (4Ω load), reducing heat generation
Comprehensive Diagnostic Protection: Real-time speaker status reporting via I²C bus, supporting open-circuit/short-circuit detection, as well as over-temperature, over-voltage, and under-voltage protection
III. Services and Support
Mingjiada Electronics adheres to the service philosophy of “Genuine Products, In-Stock Inventory, and Fast Delivery,” providing customers with:
Sample Sales Service: Supports sample procurement during the R&D phase
Volume Supply Capability: Meets long-term project and mass production needs
Obsolete Inventory Buyback Service: Simultaneously offers high-value buyback of factory-held obsolete TI audio amplifiers and audio IC inventory
To request a product quote or purchase samples, please visit the Mingjiada Electronics website (www.hkmjd.com) or contact our sales team.
Contact Information:
Contact Person: Mr. Chen
Phone: 86-755-83294757 / 13410018555
Email: sales@hkmjd.com
Address: Rooms 1239-1241, New Asia Guoli Building, Zhenzhong Road, Futian District, Shenzhen, Guangdong Province
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