Electronics and Semiconductors

TechInsights Teardown: Hyundai Ioniq 5 head unit

17 February 2023
The Hyundai Ioniq 5 navigation system can find addresses of establishments automatically or users can input their own. Source: TechInsights

The head unit of the Hyundai Ioniq 5 is a navigation system for the Korean automotive OEM and is used to help vehicles find locations.

The system is integrated into Hyundai vehicles with a touchscreen display that can be used to input addresses or touch icons that automatically finds the address of establishments. The system also allows for calling establishments if a Bluetooth connection is located.

The navigation system consists of a main processor from Intel and multichip memory systems from Micron Technology. An LTE system gives the real-time navigation aspect and updating to alert drivers to accidents and closures in the road.

The following is a partial deep dive into the navigation system from TechInsights.

Summary

  • 4 GB LPDDR4 SDRAM
  • Intel 1.8 GHz dual-core Atom application processor
  • Internal 128 GB

Release date: January 2021

Target market: Automotive

Price: $420.00

Availability: Global

The main board of the Hyundai navigation system includes electronic components needed to run the automotive unit inside vehicles. Source: TechInsights The main board of the Hyundai navigation system includes electronic components needed to run the automotive unit inside vehicles. Source: TechInsights

Main board

The main board of the Hyundai Ioniq 5 head unit includes the Infineon secure microcontroller, Analog Devices’ 3.5 A step-down converter and Monolithic Power systems’ 3-amp step-down converter.

The LTE board contains the electronic components needed for communication updates and real-time maps. Source: TechInsights The LTE board contains the electronic components needed for communication updates and real-time maps. Source: TechInsights

LTE board

The LTE board allows for the navigation system to communicate with networks to update maps and telematics information. The electronic components found on this board include:

  • Multimode, multiband power amplifier, antenna switch and high-band power amplifier module from Skyworks
  • Qualcomm’s multimode baseband processor and power management IC
  • 512 MB SLC NAND flash and 256 MB mobile LPDDR2 SDRAM from Micron Technology

(Learn more about power management ICs on Globalspec.com)

The CPU board of the Hyundai Ioniq 5 navigation system features the Intel 1.8 GHz dual-core Atom applications processor and other components needed to operate the unit. Source: TechInsights  The CPU board of the Hyundai Ioniq 5 navigation system features the Intel 1.8 GHz dual-core Atom applications processor and other components needed to operate the unit. Source: TechInsights

CPU Board

The CPU board is the heart of the navigation system, which includes the following electronic components:

  • Intel’s 1.8 GHz dual-core Atom applications processor
  • Renesas’ distributed power unit and programmable multi-channel PMIC
  • Samsung’s Multichip memory 2 GB mobile LPDDR4 SDRAM

(Learn more about microprocessors on Globalspec.com)

The main components found inside the Hyundai Ioniq 5 head unit. Source: TechInsights The main components found inside the Hyundai Ioniq 5 head unit. Source: TechInsights

Manufacturing cost breakdown

  • $111.68 — Other substrates
  • $45.63 — Integrated circuits
  • $33.11 — Modules, discretes and connectors
  • $23.40 — Non-electric parts
  • $10.14 — Substrates
  • $9.87 — Component insertion
  • $9.58 — Final assembly and test
  • $4.50 — Card test

To contact the author of this article, email GlobalSpecEditors@globalspec.com


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