TDK Launches New Automotive Power over Coaxial (PoC) Inductors

Product Announcement

TDK Corporation has announced the expansion of its ADL3225VF series of automotive Power over Coaxial (PoC) wire-wound inductors. Mass production of these new components commenced in March 2025[1].

Key Product Specifications

• Dimensions: 3.2 × 2.5 × 2.3mm (length × width × height)
• Rated Current: Up to 1600mA (1.6A)
• Operating Temperature Range: -55°C to +155°C
• Performance Characteristics: Provides high impedance across a wide frequency spectrum (tens to hundreds of MHz)[1]

Technical Innovations

The new ADL3225VF series demonstrates significant advancements compared to previous generations:

• Achieves identical rated current (1.6A) as the larger ADL4532VK series while reducing mounting area by approximately 45%
• Delivers approximately 20% higher rated current compared to the traditional ADL3225VM-2R2M product
• Utilizes proprietary materials and innovative structural design to achieve these performance breakthroughs[1]

Application Context

These inductors are specifically designed for Advanced Driver Assistance Systems (ADAS) that utilize vehicle cameras and sensors for monitoring driving conditions. The PoC technology enables:

• Simultaneous transmission of power and data through a single coaxial cable, eliminating separate lines
• Simplified vehicular wiring architecture
• Reduced vehicle weight, resulting in improved fuel efficiency and lower carbon emissions[1]

Industry Significance

This product development carries substantial importance for the following reasons:

1. Addresses the increasing complexity of electronic systems in modern vehicles
2. Supports the automotive industry's pursuit of lighter, more efficient vehicles
3. Facilitates more sophisticated ADAS implementation through simplified wiring[1]

Future Development

TDK has committed to continuing development of inductors for automotive PoC applications through:

• Design optimization via advanced lamination, winding, and film technologies
• Product line expansion to enhance PoC transmission signal quality[1]

This product represents TDK's ongoing innovation in passive components supporting the trends of vehicle electrification and automation.

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Reference:
[1] TDK Corporation Official Press Release, "TDK Launches New High-Current Inductors for Automotive PoC Systems," March 18, 2025, https://www.tdk.cn/zh/news_center/press/20250318_01.html

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