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電源レール・スイッチ(PRS)

新しい電気自動車内の負荷には、バッテリとDC-DCコンバータなど2つの異なる電源から電力が供給されます。そのため電源から負荷に至るパワー・ディストリビューションには、同時に2つの電源レールが使用されます。 これら2つのシステムは完全には分離されていません。電源レール・スイッチ(PRS)は、一方の電源レールまたは電源で故障が発生した場合に、負荷を代替の電源レールまたは電源に接続する双方向デバイスです。PRSは、パワー・ディストリビューション・ユニット(PDU)とゾーン制御ユニット(ZCU)システムに接続された2つの電源レールを制御および管理します。

Products and solutions

STi²Fuse, smart switches for wire harness protection

STi²Fuse is a new family of intelligent fuses designed to replace standard melting fuses in automotive power distribution systems.

These devices enable savings on components and production costs while extending EV range and reducing the vehicle's carbon footprint. Their monitoring, control, and digital interface capabilities help automotive systems comply with ISO 26262 and related Safety Integrity Levels (SIL).

Stellar 32-bit automotive MCUs

The Stellar platform consists of multiple series of automotive microcontrollers built around a versatile Arm®-based architecture. The Stellar P and Stellar G series are designed to support real-time virtualization of multi-ASIL ECUs while the Stellar E series addresses the needs for electrification.

All series boast an extensive array of I/Os and peripherals, making them suitable for modern car ECU solutions. The Stellar P & G product lines include xMemory, build on ST PCM technology, providing over twice the memory density compared to other eNVM technologies. Stellar with xMemory offers more headroom for current and future application needs.

Automotive STripFET F8

The advanced STripFET F8 technology ensures lowers output capacitance, which helps reduce voltage spikes across the drain source and decrease energy losses during charge-discharge cycles. This new low-voltage MOSFET series features an enhanced body-drain diode that improves softness during switching to further reduce electromagnetic interference. These performance improvements help designers meet EMC requirements and simplify compliance verification processes associated with various low-voltage automotive applications.