Challenges of connector solutions in autonomous driving and new energy vehicle applications

Today cars are described as “computers on wheels” because they incorporate Electronic, electrical, software, and mechanical components. At the same time, we have also seen that the traditional mechanical systems of the past are gradually being replaced by the E/E (electronic and electrical) architecture of automobiles, and autonomous driving and new energy vehicles (NEV) have emerged.

Today cars are described as “computers on wheels” because they incorporate electronic, electrical, software, and mechanical components. At the same time, we have also seen that the traditional mechanical systems of the past are gradually being replaced by the E/E (electronic and electrical) architecture of automobiles, and autonomous driving and new energy vehicles (NEV) have emerged.

Autopilot

In embedded systems, computing power is gradually reaching the technical limit of a single controller, and the bandwidth of intra-domain and cross-domain communication may not be sufficient for future data transmission. Although floating board-to-board connectors play an important role in these autonomous driving applications, this technology is challenging.

new energy vehicles

In terms of NEV (new energy vehicle) design, it involves VCU (vehicle control unit), MCU (motor control unit), OBC (car charger), PDU (power distribution device) and DC-DC (direct current) conversion, as well as The power module and control board of the charging station.

As market demand for mileage continues to increase, a major trend of NEV is the market’s transition from plug-in hybrid (PHEV) and hybrid (HEV) to pure electric vehicles (BEV). After that, it is expected to transition from BEV to fuel cell vehicles (FCV).

Similarly, the transition from standard VDA battery modules to larger modules with a higher proportion of CTP (battery pack) improves space utilization, increases energy density, and reduces the weight of battery packs by reducing the number of parts.

FPCA (Flexible Printed Circuit Assembly) has many advantages for complex battery pack and BMS (battery management system) design, and will continue to replace wire harnesses.

From another perspective, the current connector solutions used in NEVs face many challenges, that is, to reduce the vehicle’s own weight. EV battery packs account for a large part of the vehicle’s weight and also take up a lot of space. Compared with traditional wiring harnesses, these factors require the use of smaller and lighter connectors. Flexible printed circuit (FPC) can be used as a replacement for traditional wire-to-board connectors to provide a lighter product. At the same time, the flexibility of the product allows it to be suitable for compact spaces, and this is today’s top battery pack The internal high-density multi-battery structure is required.

Molex believes that the future trend will tend towards very compact and stable connector solutions, which will help adapt to the robot assembly process. Molex integrates FAKRA’s camera rear housing connector and the new ultra-small floating board-to-board connector are the best examples. The floating board-to-board connector can realize the robot assembly process, and its small size provides maximum design flexibility and reduces the space between the camera and the host circuit board. These advantages are suitable for compact and high-resolution camera applications.

In addition, flexible printed circuits (FPC) can provide a lighter alternative to traditional wire-to-board connectors. At the same time, the flexibility of the product is suitable for compact structures and can solve the space constraints faced by today’s automotive electronics. The problem.

Molex high-speed FFC/FPC connectors are suitable for Display requirements for slim products, which contribute to the development of future digital cabs, that is, to contribute to safe and comfortable driving in the future.

As an authorized distributor of Molex, Heilind can provide relevant services and support for the market. In addition, Heilind also supplies products from many top manufacturers in the world, covering 25 different component categories, and attaches importance to all market segments and all customers. Constantly seek a wide range of product supplies to cover all markets.

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