We have established close partnerships with well-known manufacturers such as TI,ADI,INFINEON,MICROCHIP,NXP,INTEL/ALTERA,XILINX,MICRON,SAMSUNG,BROADCOM,and more, to ensure that our customers enjoy the best prices and services when obtaining high-quality chips.

Gate driver IC, Motor driver IC, Power switch driver etc.

Replace: Infineon, Texas-TI, ST, MPS, Onsemi, Microchip, IXYS etc.

IC Driver

IC drivers are crucial components in many electronic systems, ensuring proper operation, signal integrity, and efficient utilization of various components within a circuit. They often include features to protect against overcurrent, overvoltage, and other potential issues that might arise during operation.

Topdiode TNSG27324 to replace IXYS IX4424

Topdiode TNSG27324 to replace IXYS IX4424

Each of the two outputs of the IX4424G dual low-side MOSFET driver can provide a pull current and a fill current of 3A with a rise and fall time of less than 10ns. The low propagation delay time and quickly matched rise and fall times make them ideal for high frequency and high power applications, widely used in switching power supplies, motor control, and DC/DC converters.

Topdiode TNSG27324 to replace TI UCC27324

Topdiode TNSG27324 to replace TI UCC27324

Dual 5A,High-Speed,Low-Side Gate Driver with Negative Input Voltage Capability,TNSG 27324 Replace UCC27324.

Topdiode TNSG27524 to replace TI UCC27524

Topdiode TNSG27524 to replace TI UCC27524

The UCC27524 is a dual, high-current, low-side-gate driver. Both outputs are capable of capturing and reducing 5A peak current, and their voltage rating is 24V.

Topdiode TNSG27511 to replace  TI UCC27511

Topdiode TNSG27511 to replace TI UCC27511

TI UCC2751 single channel, high speed, low side gate driver (with 4A peak pull current and 8A peak sink current)

Audio IC

"Audio IC" stands for Audio Integrated Circuit. It refers to an integrated circuit (IC) that is specifically designed for audio processing, amplification, or related functions in electronic devices. Audio ICs are used in a wide range of applications, including consumer electronics, communication devices, automotive systems, and more. These ICs help process, amplify, and manipulate audio signals to achieve desired outcomes.

25 V low-side gate drivers with protection features

25 V low-side gate drivers with protection features

EiceDRIVER™ 25 V single-channel low-side non-inverting gate driver IC for IGBTs or MOSFETs


MOSFETs are constructed using semiconductor materials, typically silicon, and they come in different types and configurations. The basic structure of a MOSFET consists of three terminals: the Gate, the Drain, and the Source.

What is a MOSFET and select a replacement

What is a MOSFET and select a replacement

MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) is a type of semiconductor device widely used in electronics.It features a gate terminal separated from the conducting channel by an insulating layer, controlling the flow of current between the source and drain terminals. MOSFETs come in two main types: N-channel and P-channel, with the former being more commonly used. P-Channel …

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SI2312BDS STMicroelectronics

SI2312BDS STMicroelectronics

VDS = 20V RDS(ON), Vgs@4.5V, Ids@5.0A < 31mΩRDS(ON), Vgs@2.5V, Ids@4.5A < 37mΩRDS(ON), Vgs@1.8V, Ids@3.9A < 85mΩ Features Advanced trench process technologyHigh Density Cell Design For Ultra Low On-Resistance Kynix Part #:KY56-SI2312BDS Manufacturer Part #:SI2312BDS Product Category:FETs – Single Manufacturer:STMicroelectronics Description: Package:SOT23 Quantity:On Order Lead Free Status / RoHS Status:Lead free / RoHS Compliant


IGBTs are often used in applications that require the fast switching capabilities of MOSFETs along with the high current-carrying capabilities of BJTs. They are commonly found in power electronics and high-power applications such as motor drives, power inverters, induction heating, switching power supplies, and more.

What is IGBT and the advantage

What is IGBT and the advantage

What is IGBT IGBT stands for Insulated Gate Bipolar Transistor. It is a type of semiconductor device used in various applications, especially in power electronics and high-power systems. IGBTs combine the characteristics of both MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) and bipolar transistors, making them suitable for switching high voltages and currents. Features and characteristics of IGBTs …

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AOTF20B65M1 Alpha Omega Semiconductor Inc

AOTF20B65M1 Alpha Omega Semiconductor Inc

General Description The AOT20S60L & AOB20S60L & AOTF20S60L & AOTF20S60 have been fabricated using the advanced αMOSTM high voltage process that is designed to deliver high levels of performance and robustness in switching applications. By providing low RDS(on), Qg and EOSS along with guaranteed avalanche capability these parts can be adopted quickly into new and …

AOTF20B65M1 Alpha Omega Semiconductor Inc Read More »

Printed Circuit Board Assembly & Circuit Board Prototype FAQ

Do you have any questions about our services? Get answers for almost of your questions.

Topdiode has a experienced and professional PCB and PCB assembly manufacturer. We provide ODM/OEM services, various types of PCB manufacturing and assembly including single-layer PCB, double-layer PCB, multi-layer PCB, HDI PCB, rigid-PCB and rigid-flex PCB, etc,.which are greatly used in automotive, military and aerospace fields.

We provide customers with technical support involving PCB layout design, PCB fabrication, product manufacturability analysis, product failure judgment analysis, PCB modification, component selection, component replacement evaluation and etc., to solve customer R&D and technical problems, and optimize customer resource allocation. We provide 24-hour service for global customers.

Topdiode has obtained ISO9001, ISO14001, ISO45001, UL certification, Disney FAMA authorization, etc. Besides, we can apply 3C, CE, FDA, UL certification on behalf of customers.

Totally, Topdiode’s workshop has 6 complete assembly lines and 2 packaging lines. Our SMT capacity is up to 50 million chips/day, the plug-in capacity is up to 2 million pieces/day, and the assembly capacity is up to 6 million sets/month.

Yes, we have professional test machine to check each piece of PCBA products to make sure the quality and functionality before delivery.

It depends on your demand on PCB types, number of the board layers, PCB assembly services, testing and shipping requirements.

You can contact our sales by phone or email to learn your order process with update clear photos and samples on time if request.

Yes, we offer high quality one-stop service including PCB prototype & PCBA Manufacturing.

We have a strict internal quality control process and test methods from raw material to PCB assembly during PCB assembly manufacturing process, making sure our customers can always get high-quality products. Get a quick quote for any type of your requirements.

You can still ask for a traditional quotation request by sending email to info@topdiode.com and our service person will quote within 24 hours, do not forget to enclose your Gerber files and all other necessary files for PCB quotation.

We respect the privacy of all our customers. We promise we will never share your personal information with any third parties.


Competitive Price

Our efficient and automated production line combined with a global procurement stategy allow us to offer a competitive price.

R&D and Innovation

We have independent R&D laboratories, 20 engineers with 10 years of industry experience, and cooperate with Taiwan R&D teams and universities in mainland China. Customized services can be provided according to the special needs of customers.


Quality Assurance

China’s national high-tech enterprise, the production process implements ISO9001 quality management and ISO14001 environmental management system. Products have obtained ENEC, UL, VDE and CQC certifications.

Brand Influence

20 years of brand as the main capacitor supplier of China State Grid corporation(SGCC), Goodwe, Wasion and etc.

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