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バッテリーマネージメントシステム

Battery Iconバッテリー管理システム (BMS)

The battery pack is the most expensive single component in an EV and contains detailed monitoring and control to maintain a long, safe operating life. The BMS is responsible for monitoring individual cell health, balancing, operating pack heating and cooling systems, reporting state of charge and disconnecting power from the vehicle in a fault or collision.

This monitoring must continue even when the vehicle itself is parked and not in use. So that, for example, the pack heater can be engaged to maintain acceptable temperature in very cold conditions. This makes energy efficiency and minimizing the load on the HV battery critical to minimize range loss or worst case to prevent a dead vehicle.

PI's reinforced isolated flyback and non-isolated buck converter products are idea for generating internal low voltage supply rails. The extremely low no-load consumption and high efficiency reduce background discharge of the HV battery. Overall power loss is lower than relying on the 12 V system and provides the BMS the ability to continue to operate on loss of the 12 V system (discharged 12 V battery).

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関連製品

Related Products
製品
データ シート
トポロジー
電力レベル
概要
Topology Flyback, Secondary Side - FluxLink Regulated
Power Level 100 W
Description

750 V 、900 V & 1700 V耐圧 MOSFET 及び FluxLink フィードバックを備えた車載用 CV/CC QR フライバック スイッチング電源用 IC

Topology Non-Isolated Flyback, Buck/Boost/Buck-Boost
Power Level 850 mA
Description

システム レベルの保護機能を内蔵する部品点数の少ない高効率の車載用スイッチング電源用 IC

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