Power Inductor – HPL Series – TDK Electronics Factories Inc.
The HPL Series of power inductors for automotive applications is a low inductance product, developed by TDK using proprietary ferrite materials and coil structure.
It is characterized by its ability to handle large currents with high efficiency, making it ideal for circuits requiring large currents, such as ADAS image processing circuits. Additionally, due to its unique structure with no connection points, it ensures high reliability with reduced risk of open defects.
In this article, we will explain the structure, features, and applications of the HPL Series in an easy-to-understand manner that is useful for everyone.
Product Overview
The following is an overview of the HPL Series.
Figure 1: Product Overview
| Series | HPL Series |
|---|---|
| Product Overview | High current, low inductance ferrite inductor for automotive application. Uses high-permeability, low-loss ferrite, and low-resistance frame. Reduces EMI with a unique structure design that cancels magnetic flux and achieves high reliability through a connection-free structure.  |
| Features | High current capability Low resistance High reliability Low leakage flux Operating temperature range: -55°C to 155°C (including self-temperature rise) AEC-Q200 compliant |
| Applications | Automotive applications (ADAS ECU, image processors, ultra-high current applications) |
Product Overview
The following chart shows the structure of the HPL Series. The HPL Series inductor structure is based on a coil frame whcih is contained between two ferrite core plates.
By controlling the distance of the gap between the two ferrite core plates, it is possible to make fine adjustments to the inductance without changing the resistance value.
Figure 2: Product Structure
Product Features
The HPL Series uses high-permeability ferrite materials and utilizes a structure that cancels magnetic flux, contributing to noise reduction with less leakage flux compared to conventional
inductors.Figure 3 shows a comparison of the structure and leakage flux.
Figure 3: Magnetic Flux Cancellation
Reducing EMI using a structure that cancels magnetic flux
By using low AC-loss ferrite materials and a low-resistance coil frame, the HPL Series achieves higher efficiency in power supply circuits compared to conventional
inductors.Figure 4 shows a comparison graph of AC loss and power supply efficiency.
Figure 4: Comparison of AC Loss and Power Supply Efficiency
AC Loss Comparison
Power Efficiency Comparison
Applications
Figure 5 shows an application of the HPL Series as enclosed in the blue boxes. Due to its low inductance and high current capability, the HPL Series is ideal for high-power ECUs, such as image processing circuits for ADAS, which handle high-speed, high-capacity camera images.
Figure 5: Usage Example
ADAS / AD ECU
Product Details
Click on the links below to view detailed information on the HPL series or to purchase samples. We will continue to expand our lineup and meet a wide variety of customer inductor needs.
Figure 6: Product Details
| Series Type | Application | L x W Dimensions | Height | Inductance | DC Resistance (Max) | Rated Current | Part Number List |
|---|---|---|---|---|---|---|---|
HPL505028F
 |
|
5.0×5.0mm | 2.8mm | 60～150nH | 0.88mΩ | 19～45.5A |
 |
HPL505032F1
 |
3.2mm | 60～80nH | 0.77mΩ | 43～63A |
|
||
HPL758040F
 |
7.5×8.0mm | 4.0mm | 220～330nH | 0.61mΩ | 25～40A |
|
|
HPL8012060F1
 |
8.0×12.0mm | 6.0mm | 220～330nH | 0.55mΩ | 49～78A |
|
Production of electronic components such as transformers and capacitors
TDK Corporation is a subsidiary of TDK Corporation based in Yurihonjo City, Akita Prefecture, Japan, and is engaged in the manufacture and assembly of electronic components. Specifically, the company manufactures ferrite-based magnetic components and other passive components such as transformers and capacitors.
Our Business
TDK is a comprehensive electronic components manufacturer leading the world in magnetic technology.
TDK began its trajectory by producing the world’s first ferrite cores using a magnetic material called ferrite, and the company is now a large manufacturer of components.
Ferrite is a material with many advantageous properties.
Modern TDK commands a wide range of technologies that make daily life more convenient and pleasant. Our products serve a myriad of applications—they provide critical functionality in smartphones, personal computers, electrical appliances, industrial equipment, and automobiles.
TDK components are vital for progress in many areas.
Meanwhile, the power of magnetics continues to inform our global leadership role.
The role played by TDK components —
Unseen enablers of functionality taken for granted.
Many products that surround our daily lives rely extensively on TDK’s wide palette of electronic components. But because these are used internally, they remain mostly unseen by consumers.
If your electronic devices operate as designed and make your day more enjoyable, that means that the components in them are functioning properly.
But without these electronic components, many things that we take for granted these days might never have come about.
Vendor Information
- Store Name: TDK Electronics Factories, Inc.
- Vendor: TDK Electronics Factories, Inc.
-
Address:
018-0011
Akita Yurihonjo 1-8, Manganji
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