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BQ41Z50

VORSCHAU

Hochintegrierter Batterie-Ladezustandsmesser und -Schutz für 2-4 Li-Ion-Akkus

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Datenblatt

BQ41Z50

VORSCHAU
Datenblatt Jetzt bestellen

Produktdetails

Cell chemistry Li-Ion/Li-Polymer, LiFePO4 Number of series cells 2-4 Cells Communication interface I2C, SMBus Battery capacity (min) (mAh) 100 Battery capacity (max) (mAh) 65000 Implementation Pack External capacity indication LED Features Cell balancing, Dynamic Z-Track™ technology, ECC authentication, Integrated Protector, SHA-256 Authentication, Turbo Mode Operating temperature range (°C) -40 to 85 Cell balancing External, Internal Rating Catalog
Cell chemistry Li-Ion/Li-Polymer, LiFePO4 Number of series cells 2-4 Cells Communication interface I2C, SMBus Battery capacity (min) (mAh) 100 Battery capacity (max) (mAh) 65000 Implementation Pack External capacity indication LED Features Cell balancing, Dynamic Z-Track™ technology, ECC authentication, Integrated Protector, SHA-256 Authentication, Turbo Mode Operating temperature range (°C) -40 to 85 Cell balancing External, Internal Rating Catalog
WQFN (RSN) 32 16 mm² 4 x 4
  • Fully integrated 2-series, 3-series, and 4-series cell Li-ion, LiPO, or LiFePO4 battery pack manager and protection
  • Ultra-low power 32-bit RISC processor
  • TI Dynamic Z-Track™ algorithm
  • Up to 40V tolerant power supply pins
  • High side N-CH protection FET drive with configurable drive strength
  • Precision analog front-end with two independent 16-bit ADCs:
    • Support for simultaneous current and voltage sampling
    • Support for up to four external thermistor measurements and an internal temperature sensor
  • Primary and secondary levels of protection
    • Overvoltage and undervoltage
    • Overcurrent in charge and discharge
    • Short circuit in discharge
    • Overtemperature
    • Charge timeout
    • CHG and DSG FET drivers
  • Sophisticated charge algorithms
    • JEITA
    • Adaptive charging based on cycle time, run time, and SOH
    • Cell balancing
  • Integrated cell balancing while charging or at rest
  • Supports TURBO mode
  • Diagnostic lifetime data monitor and black box recorder
  • Optional up to three LED display support
  • Supports SHA-1, SHA-2, and Elliptic Curve Cryptography (ECC) authentication
  • Up to 1MHz SMBus v3.2 host communication support
  • Compact package: 32-lead WQFN (RSN)
  • Fully integrated 2-series, 3-series, and 4-series cell Li-ion, LiPO, or LiFePO4 battery pack manager and protection
  • Ultra-low power 32-bit RISC processor
  • TI Dynamic Z-Track™ algorithm
  • Up to 40V tolerant power supply pins
  • High side N-CH protection FET drive with configurable drive strength
  • Precision analog front-end with two independent 16-bit ADCs:
    • Support for simultaneous current and voltage sampling
    • Support for up to four external thermistor measurements and an internal temperature sensor
  • Primary and secondary levels of protection
    • Overvoltage and undervoltage
    • Overcurrent in charge and discharge
    • Short circuit in discharge
    • Overtemperature
    • Charge timeout
    • CHG and DSG FET drivers
  • Sophisticated charge algorithms
    • JEITA
    • Adaptive charging based on cycle time, run time, and SOH
    • Cell balancing
  • Integrated cell balancing while charging or at rest
  • Supports TURBO mode
  • Diagnostic lifetime data monitor and black box recorder
  • Optional up to three LED display support
  • Supports SHA-1, SHA-2, and Elliptic Curve Cryptography (ECC) authentication
  • Up to 1MHz SMBus v3.2 host communication support
  • Compact package: 32-lead WQFN (RSN)

The BQ41Z50 device, incorporating Dynamic Z-Track™ technology, is a fully integrated, single-chip, pack-based solution that provides a rich array of features for gas gauging, protection, and authentication for 2-series, 3-series, and 4-series cell Li-ion, LiPO, and LiFePO4 battery packs.

Using its integrated high-performance analog peripherals and ultra-low power 32-bit RISC processor, the BQ41Z50 device measures and maintains an accurate record of available cell capacity, voltage, current, temperature, and other critical battery parameters and reports them to the system host controller over an SMBus v3.2 compatible interface.

The BQ41Z50 device, incorporating Dynamic Z-Track™ technology, is a fully integrated, single-chip, pack-based solution that provides a rich array of features for gas gauging, protection, and authentication for 2-series, 3-series, and 4-series cell Li-ion, LiPO, and LiFePO4 battery packs.

Using its integrated high-performance analog peripherals and ultra-low power 32-bit RISC processor, the BQ41Z50 device measures and maintains an accurate record of available cell capacity, voltage, current, temperature, and other critical battery parameters and reports them to the system host controller over an SMBus v3.2 compatible interface.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet BQ41Z50 2-Series, 3-Series, and 4-Series Cell Li-Ion Battery Pack Manager with Dynamic Z-Track datasheet PDF | HTML 19 Jun 2024
Application note BQ41xxx Production Calibration Guide PDF | HTML 01 Jul 2024
User guide BQ41Z50 Technical Reference Manual PDF | HTML 21 Jun 2024
EVM User's guide BQ41Z50 Li-Ion Battery Pack Manager Evaluation Module User's Guide PDF | HTML 20 Jun 2024
Certificate BQ41z50EVM EU Declaration of Conformity (DoC) 10 Jun 2024

Design und Entwicklung

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Evaluierungsplatine

BQ41Z50EVM — BQ41Z50 Evaluierungsmodul

Das BQ41Z50EVM ist ein komplettes System zur Evaluierung der Funktionalität des BQ41Z50-Ladezustandsmessers. Diese Anzeige eignet sich für Anwendungen, die mit mehrzelligen Batteriesystemen betrieben werden. Das Schaltungsmodul enthält einen integrierten BQ41Z50-Schaltkreis, einen BQ296103 und (...)
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WQFN (RSN) 32 Ultra Librarian
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