Startseite Batteriemanagement-ICs Batterieüberwachung & Ausgleichsregler
Startseite
Batteriemanagement-ICs
Batterieüberwachung & Ausgleichsregler
NEU

BQ76972

AKTIV

Hochpräziser Batterieüberwachungs- und Schutzbaustein für Lithium-Ionen-, Li-Poly- und LiFePO4-Akkup

Jetzt bestellen
Datenblatt

BQ76972

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Number of series cells (min) 3 Vin (max) (V) 80 Features Autonomous Mode, Coulomb Counter, Digital output, High-side FET drive, I2C support, LDO output, Low-Power Sleep Mode, Multi-cell support, One-Time Programmable (OTP) memory, Open wire (OW), Overcurrent in charging protection, Overcurrent in discharging protection, Overtemperature protection, Overvoltage protection, Power-save mode, Scratchpad memory, Short-current detection, Sleep Mode, Temperature sensing, Undertemperature protection, Undervoltage protection Device type Cell monitor and balancer, Protector Number of series cells (max) 16 Operating temperature range (°C) -40 to 85 Rating Catalog Battery overvoltage protection (min) (V) 1.012 Battery overvoltage protection (max) (V) 5.566 Communication interface HDQ, I2C, SPI
Number of series cells (min) 3 Vin (max) (V) 80 Features Autonomous Mode, Coulomb Counter, Digital output, High-side FET drive, I2C support, LDO output, Low-Power Sleep Mode, Multi-cell support, One-Time Programmable (OTP) memory, Open wire (OW), Overcurrent in charging protection, Overcurrent in discharging protection, Overtemperature protection, Overvoltage protection, Power-save mode, Scratchpad memory, Short-current detection, Sleep Mode, Temperature sensing, Undertemperature protection, Undervoltage protection Device type Cell monitor and balancer, Protector Number of series cells (max) 16 Operating temperature range (°C) -40 to 85 Rating Catalog Battery overvoltage protection (min) (V) 1.012 Battery overvoltage protection (max) (V) 5.566 Communication interface HDQ, I2C, SPI
TQFP (PFB) 48 81 mm² 9 x 9
  • Battery monitoring capability for 3-series to 16-series cells
  • High accuracy cell voltage measurement of ±3.0 mV
  • Integrated charge pump for high-side NFET protection with optional autonomous recovery
  • Extensive protection suite including voltage, temperature, current, and internal diagnostics
  • Two independent ADCs
    • Support for simultaneous current and voltage sampling
    • High-accuracy coulomb counter with input offset error < 1 µV (typical)
  • Wide-range current applications (±200-mV measurement range across sense resistor)
  • Integrated secondary chemical fuse drive protection
  • Autonomous or host-controlled cell balancing
  • Multiple power modes (typical battery pack operating range conditions)
    • NORMAL mode: 286 µA
    • Multiple SLEEP mode options: 24 µA to 41 µA
    • Multiple DEEPSLEEP mode options: 9 µA to 10 µA
    • SHUTDOWN mode: 1 µA
  • High-voltage tolerance of 85 V on cell connect and select additional pins
  • Tolerant of random cell attach sequence on production line
  • Support for temperature sensing using internal sensor and up to nine external thermistors
  • Integrated one-time-programmable (OTP) memory programmable by customers on production line
  • Communication options include 400-kHz I 2C, SPI, and HDQ one-wire interface
  • Dual-programmable LDOs for external system usage
  • 48-pin TQFP package (PFB)
  • Battery monitoring capability for 3-series to 16-series cells
  • High accuracy cell voltage measurement of ±3.0 mV
  • Integrated charge pump for high-side NFET protection with optional autonomous recovery
  • Extensive protection suite including voltage, temperature, current, and internal diagnostics
  • Two independent ADCs
    • Support for simultaneous current and voltage sampling
    • High-accuracy coulomb counter with input offset error < 1 µV (typical)
  • Wide-range current applications (±200-mV measurement range across sense resistor)
  • Integrated secondary chemical fuse drive protection
  • Autonomous or host-controlled cell balancing
  • Multiple power modes (typical battery pack operating range conditions)
    • NORMAL mode: 286 µA
    • Multiple SLEEP mode options: 24 µA to 41 µA
    • Multiple DEEPSLEEP mode options: 9 µA to 10 µA
    • SHUTDOWN mode: 1 µA
  • High-voltage tolerance of 85 V on cell connect and select additional pins
  • Tolerant of random cell attach sequence on production line
  • Support for temperature sensing using internal sensor and up to nine external thermistors
  • Integrated one-time-programmable (OTP) memory programmable by customers on production line
  • Communication options include 400-kHz I 2C, SPI, and HDQ one-wire interface
  • Dual-programmable LDOs for external system usage
  • 48-pin TQFP package (PFB)

The Texas Instruments BQ76972 device is a highly integrated, high-accuracy battery monitor and protector for 3-series to 16-series Li-ion, Li-polymer, and LiFePO 4 battery packs. The device includes a high-accuracy monitoring system, a highly configurable protection subsystem, and support for autonomous or host controlled cell balancing. Integration includes high-side charge-pump NFET drivers, dual programmable LDOs for external system use, and a host communication peripheral supporting 400-kHz I 2C, SPI, and HDQ one-wire standards. The BQ76972 device is available in a 48-pin TQFP package.

The Texas Instruments BQ76972 device is a highly integrated, high-accuracy battery monitor and protector for 3-series to 16-series Li-ion, Li-polymer, and LiFePO 4 battery packs. The device includes a high-accuracy monitoring system, a highly configurable protection subsystem, and support for autonomous or host controlled cell balancing. Integration includes high-side charge-pump NFET drivers, dual programmable LDOs for external system use, and a host communication peripheral supporting 400-kHz I 2C, SPI, and HDQ one-wire standards. The BQ76972 device is available in a 48-pin TQFP package.
open-in-new Andere Batterieüberwachung & Ausgleichsregler suchen
Herunterladen Video mit Transkript ansehen Video

Technische Dokumentation

star =Von TI ausgewählte Top-Empfehlungen für dieses Produkt
Keine Ergebnisse gefunden. Bitte geben Sie einen anderen Begriff ein und versuchen Sie es erneut.
Alle anzeigen 14
Typ Titel Datum
* Data sheet BQ76972 3-Series to 16-Series High Accuracy Battery Monitor and Protector for Li-Ion, Li-Polymer, and LiFePO4Battery Packs datasheet PDF | HTML 23 Nov 2023
Application brief Scaling accurate battery management designs across energy storage systems PDF | HTML 20 Okt 2023
User guide BQ76972 Technical Reference Manual PDF | HTML 26 Jun 2023
Application note Design Considerations of Stacked BQ769x2 With High-Side N-MOSFET PDF | HTML 09 Feb 2023
Technical article Pack a punch in battery pack systems with low-cost MCUs PDF | HTML 16 Nov 2021
Application note Pin Equivalent Diagrams for the BQ76952, BQ76942, and BQ769142 06 Mai 2021
Application note BQ76952 High Voltage Stress Report PDF | HTML 25 Feb 2021
Technical article How to stack battery monitors for high-cell-count industrial applications PDF | HTML 11 Feb 2021
Application note BQ76942 IEC ESD 61000-4-2 ESD Test Report 16 Nov 2020
Technical article CURRENTly questioning the accuracy of your battery monitor? Improve battery safety PDF | HTML 28 Mai 2020
Technical article Improving voltage measurement accuracy in battery monitoring systems PDF | HTML 01 Apr 2020
Technical article Improving temperature measurement accuracy in battery monitoring systems PDF | HTML 20 Feb 2020
Application note Parallel Paths with the BQ769x2 Battery Monitor 09 Jan 2020
Technical article Next-generation battery monitors: how to improve battery safety while improving ac PDF | HTML 06 Jan 2020

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Anwendungssoftware und Frameworks

BQ769X2-THERMISTOR-COEFF-CALCULATOR — BQ76952/42 thermistor temperature optimizer - calculate the thermistors coefficients for T range

The BQ769x2 family of battery monitors can support multiple external thermistors. The device includes an internal pullup resistor to bias the thermistor during measurement. The internal pullup resistor has two options which can set the pullup to 18 kΩ or 180 kΩ. The 18-kΩ option (...)
Benutzerhandbuch: PDF | HTML
Optionen anzeigen
Anwendungssoftware und Frameworks

BQSTUDIO — Software „Battery Management Studio“ (bqStudio)

Battery Management Studio (bqStudio) bietet eine vollständige Suite robuster Tools, die Sie bei der Evaluierung, dem Design, der Konfiguration, dem Test oder der anderweitigen Nutzung von TI-Produkten für das Batteriemanagement unterstützen. Dazu gehören Funktionen, die den (...)
Optionen anzeigen
Gehäuse Pins Herunterladen
TQFP (PFB) 48 Optionen anzeigen
Es gelten die allgemeinen Geschäftsbedingungen von TI für Evaluierungsartikel.

Bestellen & Qualität

Beinhaltete Information:
  • RoHS
  • REACH
  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
Beinhaltete Information:
  • Werksstandort
  • Montagestandort

Empfohlene Produkte können Parameter, Evaluierungsmodule oder Referenzdesigns zu diesem TI-Produkt beinhalten.

Support und Schulungen

TI E2E™-Foren mit technischem Support von TI-Ingenieuren

Alle Forenthemen auf Englisch anzeigen

Inhalte werden ohne Gewähr von TI und der Community bereitgestellt. Sie stellen keine Spezifikationen von TI dar. Siehe Nutzungsbedingungen.

Bei Fragen zu den Themen Qualität, Gehäuse oder Bestellung von TI-Produkten siehe TI-Support. ​​​​​​​​​​​​​​

Videos