Tech Briefs Magazine - December 2023 - BET-6

Battery Wiring
most efficient way to organize vehicle
electrical systems.
* Shifting to zonal architectures: With
zonal architectures, systems are logically
and physically grouped into
zones that can be efficiently organized.
In each zone, all systems are managed
by the same processor, have their own
power distribution unit, and are connected
to the Ethernet via a gateway,
then to the central vehicle computer.
A few ECUs can manage the entire
vehicle while at the same time enable
advanced functionality. Luxury models
will have more zones to deliver
more-advanced capabilities,
while
basic vehicle will have fewer zones
and systems. In addition, low-voltage
data connectivity and high-voltage
drive systems are segregated but work
in parallel.
In zonal arrangements, because the
ECU is closer to actuators and sensors,
less wiring and fewer connections are required.
Manufacturers benefit by enabling
efficient connectivity, reducing weight
and cost, and enhancing overall reliability.
What Zonal Architectures
Enable
Zonal architectures support powerful
functionality and capabilities:
* Enabling complex applications: Zonal
architectures promote control
via
well-structured, clean, and safe software
code that at the same time can
bring new, complex software functionalities,
e.g., higher levels of driving
automation, which can help auto manufacturers
more quickly develop and
deploy high-level driving automation.
* Over-the-air (OTA) updates: OEMs can
easily update software by simply " flashing "
new features or updates to improve software
stability and security.
The multitude of component types in a typical vehicle electrical system. (Image: TE)
* Subscription services: Software-defined
vehicles unlock the ability to deliver onboard
subscription services. Consumers
might opt for basic, mid-level, or luxury
packages when buying a new vehicle.
However, OTA means they also can
add or cancel other services whenever
desired. For example, consumers might
opt for heated seats in the winter or
add a luxury infotainment package for
a road trip.
Benefits of Zonal
Architectures
Zonal architectures offer auto manufacTE's
BCON+ to connect modules in a high-voltage traction battery is an example of new types
of wiring-system components necessitated by the auto industry's transition to electrification.
(Image: TE)
6
turers and consumers multiple benefits:
* Reduced cost: Wiring lengths are drastically
shortened through optimized
device placement and some cables are
eliminated through functional integration.
Alternatives to the round stranded
conductors such as flat flexible cable
(FFC) and flexible printed circuit (FPC)
increasingly enter the market and enable
increased automation in production
and handling. As the industry continues
to standardize, new solutions
that offer greater functionality at lighter
weights will continue to deliver operational
efficiencies and cost savings.
Battery & Electrification Technology, December 2023

Tech Briefs Magazine - December 2023

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