Instant Quote

Home > Integrated Circuits ICs > Analog Linear ICs > TPA3106D1VFPR

TPA3106D1VFPR

40W mono Class-D audio amp, 10-26V, 92% efficiency, 4 gain settings, HLQFP-32 7x7mm

2100

Effective Inventory
Go to Inquiry

Image for reference only

Manufacturer Part：

TPA3106D1VFPR

Package：

HLQFP-32 (7x7mm) with exposed pad

Brand：
Product Categories：
Quality Commitment
Shipping & Payment
Service & Packaging
Product Manual
Other recommendations you may be interested in.

MMSZ5263BT1G

SMBJ60A-13-F

KSZ8863RLL

PIC16F1823-E/SL

H57V2562GTR-75C

LT1963AES8

XC7Z010-1CLG400I

UCC2804DTR

Description

Product Overview

The TPA3106D1VFPR from Texas Instruments is a 40W mono Class-D audio power amplifier operating from 10V to 26V with approximately 92% efficiency, eliminating the need for an external heat sink. It features four selectable fixed gain settings (20/26/32/36 dB), differential inputs, and comprehensive protection circuitry in a 32-pin HLQFP (7x7mm) surface-mount package.

Key Specifications

  • Architecture: Class-D
  • Output Power: 40W into 8Ω @ 25V supply
  • Supply Voltage: 10V ~ 26V
  • Minimum Load: 4Ω
  • Efficiency: ~92% (eliminates heat sink)
  • THD+N: 0.2% at 1 kHz
  • SNR: 102 dB
  • PSRR: 70 dB
  • Gain Settings: 20, 26, 32, 36 dB (pin-selectable)
  • Quiescent Current: 14 mA typical @ 24V
  • Shutdown Current: 250 µA max
  • Mute Current: 9 mA max
  • Output RDS(on): 400 mΩ total (high+low side)
  • Oscillator Frequency: 200-300 kHz
  • Protection: Thermal, short-circuit (auto-recovery)
  • Clock Output: For multi-device synchronization
  • Operating Temperature: -40°C ~ 85°C
  • Package: HLQFP-32 (7x7mm) with exposed pad

Features

  • 40W output into 8Ω from 25V supply without heat sink
  • 92% efficiency eliminates thermal management complexity
  • Four pin-selectable gain settings
  • Differential inputs for noise rejection
  • Thermal and short-circuit protection with auto-recovery
  • Master/slave synchronization for multi-channel systems
  • Mute and shutdown modes for power management
  • FAULT output for fault monitoring

Applications

  • Television audio systems
  • Powered speakers and sound bars
  • Public address systems
  • Musical instrument amplifiers
  • Industrial audio alert systems

The TPA3106D1VFPR from Texas Instruments is a high-efficiency Class-D audio power amplifier capable of delivering 40W into an 8Ω speaker from a 25V supply. The approximately 92% efficiency of the Class-D architecture eliminates the need for external heat sinks, significantly reducing system size, weight, and cost compared to Class-AB alternatives. The four selectable gain settings (20, 26, 32, 36 dB) are controlled by two logic pins, allowing system designers to optimize the gain structure without external resistor networks. Differential inputs reject common-mode noise from long audio input traces. The built-in thermal shutdown and short-circuit protection with automatic recovery ensure robust operation in the field. The VFPR suffix indicates the 32-pin HLQFP package with exposed thermal pad in tape and reel format.

The TPA3106D1VFPR uses a closed-loop Class-D PWM architecture. The input audio signal is compared against a high-frequency triangle wave (200-300 kHz) to generate a pulse-width modulated signal. This PWM signal drives the output H-bridge consisting of two pairs of N-channel and P-channel MOSFETs (RDS(on) total = 400 mΩ) in a bridge-tied-load (BTL) configuration. The BTL output doubles the voltage swing across the speaker compared to single-ended output, delivering 4x the power for the same supply voltage. An external LC low-pass filter reconstructs the audio signal from the PWM output. The closed-loop architecture feeds the output back to the input comparator, reducing distortion and improving PSRR. The master/slave synchronization feature aligns the oscillator phases of multiple TPA3106D1 devices to prevent audible beat frequencies in multi-channel systems.

Pin Group Name Function
Analog IN+, IN- Differential audio input
Analog BYPASS Internal reference voltage bypass (1µF cap)
Control GAIN0, GAIN1 Gain select pins (20/26/32/36 dB)
Control MUTE Mute control (active high)
Control SHUTDOWN Shutdown control (active low)
Control MSTR/SLV Master/slave mode select
Control SYNC Clock sync input/output
Output OUT+, OUT- BTL speaker outputs
Status FAULT Fault indicator output
Power VCC, AGND, PGND Power supply and grounds

The TPA3106D1VFPR is primarily designed for television audio where the 40W output power and heat-sink-free operation reduce BOM cost and enclosure size. In powered speaker applications, the BTL output directly drives 4-8Ω speakers without a coupling capacitor. For multi-channel sound bar designs, the master/slave synchronization prevents inter-channel interference from asynchronous switching. The comprehensive protection features (thermal shutdown, short-circuit with auto-recovery, FAULT output) ensure reliable operation in consumer equipment where users may accidentally short speaker terminals. The four gain settings accommodate different audio source levels without external circuitry.

Model Manufacturer Key Difference
TPA3110D2 Texas Instruments Stereo 2x15W, 8-26V, more flexible
TPA3125D2 Texas Instruments Stereo 2x25W, similar architecture
STA540 STMicroelectronics 4x25W Class-AB, simpler filter
Recommend Parts

UCC2804DTR

Current-mode PWM controller, 1MHz, 50% duty, 1A gate drive, soft start, SOIC-8, UC3842 pinout

Brand:

Package:

SOIC-8
In stock:
6500pcs

Cargo cycle: 3~7 Days
The minimum order is 1

Go to Inquiry

MAX3221EIPWR

Single-channel RS-232 transceiver, 3-5.5V, 250kbps, ±15kV ESD, auto-powerdown 1µA, TSSOP-16

Brand:

Package:

TSSOP-16
In stock:
8700pcs

Cargo cycle: 3~7 Days
The minimum order is 1

Go to Inquiry

LMV722MX

Dual op-amp, 10MHz GBW, 9nV/√Hz, RRIO, 930µA/ch, 2.2-5.5V, SOIC-8

Brand:

Package:

SOIC-8
In stock:
9400pcs

Cargo cycle: 3~7 Days
The minimum order is 1

Go to Inquiry

TS12A12511DCNR

SPDT analog switch, 5Ω Ron, negative signaling, 2.7-12V single/±6V dual, SOT-23-8, 93MHz BW

Brand:

Package:

SOT-23-8 (2.9 x 1.6 mm)
In stock:
5700pcs

Cargo cycle: 3~7 Days
The minimum order is 1

Go to Inquiry

TPS2557DRBR

Adjustable current-limit power switch, 0.5-5A, 22mΩ, 2.5-6.5V, active-high enable, VSON-8 3x3mm

Brand:

Package:

VSON-8 (3.0 x 3.0 mm)
In stock:
9200pcs

Cargo cycle: 3~7 Days
The minimum order is 1

Go to Inquiry

LM1085IT-5.0

3A LDO linear regulator, 5.0V fixed output, 1.3V dropout, TO-220-3, pin-compatible with LM317

Brand:

Package:

TO-220-3
In stock:
4380pcs

Cargo cycle: 3~7 Days
The minimum order is 1

Go to Inquiry
Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
  • Automotive Electronics: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
  • Medical Devices: High-reliability components meet medical industry safety and compliance regulations, ensuring stable operation for medical equipment.
  • Industrial Control & Consumer Electronics: Products conform to universal international electronic industry standards, suitable for long-term continuous operation of various equipment.

4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

6. After-sales Quality Guarantee

If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

Contact Us

If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

 

Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

1. Payment Terms

We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
  1. Accepted Payment Methods
  • T/T (Bank Wire Transfer): The primary settlement method for bulk orders and a widely used international payment channel.
  • PayPal: Ideal for small orders, sample orders and quick payments.

  1. Settlement Currency

     

    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

  2. Bank Charges

     

    All transfer fees, intermediary bank charges and other remittance-related expenses shall be borne by the buyer.

  3. Payment Requirements
  • Sample and small orders: Shipment will be arranged upon full payment.
  • In-stock bulk orders: Goods will be delivered within 2 to 3 working days after full payment.

2. Shipping & Delivery

We partner with leading global logistics providers to ensure safe and fast delivery worldwide. Relevant details are listed below:
  1. Logistics Partners
  • International Express: DHL, FedEx, UPS, TNT
  • Economy Logistics: Air freight and sea freight for large-volume cargo
  • Domestic Delivery: SF Express, Yunda Express
  1. Order Processing Time
  • In-stock items: Orders confirmed and fully paid before 14:00 (GMT+8) will be shipped on the same day. All other orders will be dispatched within 1 to 2 working days.
  • Out-of-stock or sourced items: The delivery lead time will be confirmed separately according to brand and inventory status.
  1. Estimated Transit Time
  • International Express: 3 – 7 working days globally
  • Air Freight: 7 – 12 working days
  • Sea Freight: 25 – 40 working days for heavy and large bulk cargo
  1. Shipping Fee Rules
  • Shipping cost is calculated based on package weight, volume, destination and delivery method.
  • Both freight prepaid and freight collect are available. Please provide your courier account number in advance if you choose freight collect.
  • Free international express delivery is offered for large orders. Terms for long-term partners can be negotiated separately.
  1. Shipment Tracking
     

    Within 24 hours after dispatch, we will send the tracking number, commercial invoice, packing list and other documents to your email or communication account. You may check the shipment status online in real time.

3. General Order Rules & Notes

  1. MOQ & Sample Service

     

    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

  2. Packaging Standard

     

    All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.

4. Customs & Liability Statement

  1. Import Duties & Taxes

     

    All import duties, customs clearance fees and local taxes incurred for international shipments shall be borne by the buyer. We will provide complete customs documents to assist you with clearance procedures.

  2. Handling of Lost or Damaged Goods
  • In case of loss or severe damage during transit, please contact us within 48 hours after receiving the tracking information. We will assist you in filing a claim with the logistics provider.
  • We shall not be liable for any losses caused by incorrect delivery address, wrong contact information or the buyer’s refusal to complete customs clearance.

5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
  • Notice: Please make an appointment via email or communication tools one day in advance, and present your order information upon pickup.

Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

1. One-stop Sourcing & BOM Support

We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

4. Professional Technical Support

Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

5. Sourcing for Special Components

Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

  • All components are packed separately to avoid damage caused by friction and collision;
  • Shockproof buffer materials are added for fragile products to ensure transportation safety;
  • Each package is clearly marked with part number, quantity, batch number and specifications for easy inventory counting and management.

2. Classified Professional Packaging

  • Anti-static Packaging: Static-sensitive components such as chips, circuit boards and sensors are packaged with anti-static bags, shielding boxes and conductive foam in strict accordance with international anti-static standards to prevent static damage.
  • Vacuum Moisture-proof Packaging: Moisture-sensitive components are vacuum-sealed with desiccants to isolate humid air, suitable for ocean transportation and long-term storage.
  • Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

Online Inquiry Form

Support Excel, PDF, CSV format files for full BOM list quotation

Submit your component procurement and custom packaging needs via the form below. We will provide a detailed quotation and professional solution within 1–8 working hours.

Company
insights
Industries
All Products
Integrated Circuits
C&I Devices
Discrete
Memory Chips
MPUs & MCUs