低電力マイコンと高性能アナログ・フロント・エンド(AFE)をワンパッケージに収めたルネサスの電池管理ICは、バッテリの状態を常に監視し、インテリジェントなバッテリシステムを実現します。

多重のフェイルセーフ機能で安全安心をご提供

  • マイコンおよびAFEの自己診断機能内蔵
  • 倉庫保管時等の低消費電力モードでも安全を提供
  • 保護機能内蔵(充電/放電過電流保護、過充電/過放電保護、高温/低温保護)

いかなる環境下でも 高精度な残量検知が可能

  • 電流、電圧、温度検出に特化した高精度ΔΣA/Dコンバータ
  • 電池劣化を考慮した電池残量の算出が可能
Battery Management Controllers Block Diagram

パワーマネジメント

セレクションテーブル

    Processing table
    型名
    Series Cells (#)
    Supply Voltage (V)
    Comm. Interface
    Flash Memory (KB)
    Charge/Discharge FET Control
    Pkg. Type
    RAJ240045DNP
    2～4直列リチウムイオン・バッテリ残量ゲージIC    		 2 to 4 Cells 4 - 25 I2C (SMBus), UART 64 High Side QFN32
    RAJ240047DNP
    2～4直列リチウムイオン・バッテリ残量ゲージIC    		 2 to 4 Cells 4 - 25 I2C (SMBus), UART 128 High Side QFN32
    RAJ240071DNP
    2 to 5 Series Li-ion Battery Fuel Gauge IC    		 2 to 5 Cells 4 - 25 I2C (SMBus), UART 32 High Side QFN32
    RAJ240075DNP
    2 to 5 Series Li-ion Battery Fuel Gauge IC    		 2 to 5 Cells 4 - 25 I2C (SMBus), UART 64 High Side QFN32
    RAJ240090GFP
    3 to 8 Series Li-ion Battery Fuel Gauge IC    		 3 to 8 Cells 4 - 50 CAN, I2C (SMBus), UART 128 High / Low Side LQFP64
    RAJ240100GFP
    3～10直列リチウムイオン・バッテリ残量ゲージIC    		 3 to 10 Cells 4 - 50 CAN, I2C (SMBus), UART 128 High / Low Side LQFP64
    RAJ240310GNP
    3 to 10 Series Li-ion Battery Fuel Gauge IC    		 10 8 - 50 I2C (SMBus), UART 64 Low Side QFN40
    Parametric Table tips

    Tips for Using This Parametric Table:

    • Hide Filters button in header: Collapse or expands filters
    • Column sort buttons in header: Sort Column alphabetically / numerically descending or ascending
    • Reset button in header: Reset all filters to the page default
    • Full Screen button in header: Expand the table to full screen view (user must close out of full screen before they can interact with rest of page)
    • Export button in header: Export the filtered results of the table to an Excel document
    • Filter parts search bar in header: Type to filter table results by part number
    • Hide column button in column headers: Select to hide columns in table
    • AND / OR toggle switches in header: Toggles the logic of this particular filter to be “AND” or “OR” logic for filtering results
    • Multiselect checkboxes at beginning of each row in table: Select these checkboxes to compare products against each other
    • Document icon next to product name in row: View the featured document for this product
    • Chip icon next to the right of the document icon in row: View the block diagram for this product
    • Cart icon to the right of the chip icon: Indicates that samples are available for this product

    ドキュメント

    タイトル 分類 日付
    Battery Management Solutions Brochure
    PDF1.11 MB
    カタログ
    Battery Fuel Gauge IC Functional Safety
    PDF198 KB
    パンフレット
    Lithium-Ion Battery Management Solution

    Learn about how Renesas' Li-ion battery management solution solves the issues of cell-balancing and safety.

    Video List
    Lithium-Ion Battery Management Solution