Produktdetails

Rating Catalog Number of series cells (max) 16 Number of series cells (min) 3 Features Digital output, High-side driver, I2C support, Integrated ADC, LDO output, Multi-cell support, One-time-programmable (OTP) memory, Open-wire detection, Overcurrent in charging protection, Overcurrent in discharging protection, Overtemperature protection, Overvoltage protection, Scratchpad memory, Short-current detection, Temperature sensing, Undertemperature protection, Undervoltage protection Vin (max) (V) 80 Communication interface HDQ, I2C, SPI Device type Cell monitor and balancer Operating temperature range (°C) -40 to 85 Battery overvoltage protection (min) (V) 1 Battery overvoltage protection (max) (V) 5.5 Operating current (typ) (µA) 250
Rating Catalog Number of series cells (max) 16 Number of series cells (min) 3 Features Digital output, High-side driver, I2C support, Integrated ADC, LDO output, Multi-cell support, One-time-programmable (OTP) memory, Open-wire detection, Overcurrent in charging protection, Overcurrent in discharging protection, Overtemperature protection, Overvoltage protection, Scratchpad memory, Short-current detection, Temperature sensing, Undertemperature protection, Undervoltage protection Vin (max) (V) 80 Communication interface HDQ, I2C, SPI Device type Cell monitor and balancer Operating temperature range (°C) -40 to 85 Battery overvoltage protection (min) (V) 1 Battery overvoltage protection (max) (V) 5.5 Operating current (typ) (µA) 250
TQFP (PFB) 48 81 mm² 9 x 9
  • Battery monitoring capability for 3-series to 16-series cells
  • 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)
    • High accuracy cell voltage measurement < 10 mV (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 I2C, 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
  • 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)
    • High accuracy cell voltage measurement < 10 mV (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 I2C, SPI, and HDQ one-wire interface
  • Dual-programmable LDOs for external system usage
  • 48-pin TQFP package (PFB)

The Texas Instruments BQ76952 device is a highly integrated, high-accuracy battery monitor and protector for 3-series to 16-series Li-ion, Li-polymer, and LiFePO4 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 I2C, SPI, and HDQ one-wire standards. The BQ76952 device is available in a 48-pin TQFP package.

The Texas Instruments BQ76952 device is a highly integrated, high-accuracy battery monitor and protector for 3-series to 16-series Li-ion, Li-polymer, and LiFePO4 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 I2C, SPI, and HDQ one-wire standards. The BQ76952 device is available in a 48-pin TQFP package.

Herunterladen Video mit Transkript ansehen Video
Weitere Informationen anfordern

Informationen zur funktionalen Sicherheit wie Failure Modes, Effects and Diagnostic Analysis (FMEDA), Sicherheitsanalyseberichte und Sicherheitshandbücher sind unter NDA verfügbar. Jetzt anfordern

Ähnliche Produkte, die für Sie interessant sein könnten

Drop-In-Ersatz mit gegenüber dem verglichenen Baustein verbesserter Funktionalität
BQ76942 AKTIV Überwachungs- und Schutzbaustein für Akkupacks mit 3 bis 10 in Reihe geschalteten Zellen Same features as BQ76952, but optimized for up to 10s battery packs

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 24
Top-Dokumentation Typ Titel Format-Optionen Datum
* Data sheet BQ76952 3-Series to 16-Series High Accuracy Battery Monitor and Protector for Li-Ion, Li-Polymer, and LiFePO4 Battery Packs datasheet (Rev. B) PDF | HTML 15 Nov 2021
* User guide BQ76952 Technical Reference Manual (Rev. B) PDF | HTML 11 Mai 2022
Application note Why is short-circuit protection more challenging for high- side driver battery packs than low-side driver? PDF | HTML 23 Jan 2026
Application note BQ769X2 OTP Program Example Guide With Sealed Configuration 24 Feb 2025
Technical article Power to the pedal: Achieving longer-lasting 13S, 48-V lithium-ion battery packs f (Rev. A) PDF | HTML 16 Mai 2024
Application note BQ769x2 Frequently Asked Questions PDF | HTML 29 Mär 2024
Application brief Scaling accurate battery management designs across energy storage systems PDF | HTML 20 Okt 2023
Application note Design Considerations of Stacked BQ769x2 With High-Side N-MOSFET PDF | HTML 09 Feb 2023
Application note Using Low-Side FETs with the BQ769x2 Battery Monitor Family (Rev. A) PDF | HTML 24 Feb 2022
Application note Cell Balancing With BQ769x2 Battery Monitors (Rev. A) PDF | HTML 15 Feb 2022
Application note Multiple FETs with the BQ76952, BQ76942 Battery Monitors (Rev. A) 03 Dez 2021
Technical article Pack a punch in battery pack systems with low-cost MCUs PDF | HTML 16 Nov 2021
Application note BQ769x2 Software Development Guide (Rev. B) PDF | HTML 26 Aug 2021
Application note BQ769x2 Calibration and OTP Programming Guide (Rev. A) PDF | HTML 06 Aug 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
Application note Easy Configuration of BQ76942/52 Battery Monitors (Rev. A) 01 Okt 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.

Evaluierungsplatine

BQ76952EVM — Evaluierungsmodul für Batterieüberwachungs- und Schutzbaustein für Lithium-Ionen-, Li-Polymer- und L

Das BQ76952EVM-Evaluierungsmodul (EVM) ist ein komplettes Evaluierungssystem für den integrierten Schaltkreis BQ76952 zur Überwachung von Li-Ion-Batterien (3 bis 16 Zellen). Das EVM besteht aus einem BQ76952-Schaltungsmodul, das zur einfachen Evaluierung der BQ76952-Überwachungsfunktion verwendet (...)

Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
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
Anwendungssoftware und Frameworks

BQSTUDIO-STABLE Battery Management Studio (bqStudio) Software – stable version downloads for bq series of TI battery fuel gauges

Battery Management Studio (bqStudio) offers a full suite of robust tools to assist with the process of evaluating, designing with, configuring, testing, or otherwise utilizing TI Battery management products. This includes features that provide full access to registers and data memory including (...)

Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

Download-Optionen
Anwendungssoftware und Frameworks

BQSTUDIO-TEST Battery Management Studio (bqStudio) Software – untested version downloads

Battery Management Studio (bqStudio) offers a full suite of robust tools to assist with the process of evaluating, designing with, configuring, testing, or otherwise utilizing TI Battery management products. This includes features that provide full access to registers and data memory including (...)

Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

Download-Optionen
Codebeispiel oder Demo

SLUC701 Microcontroller Code Examples for BQ769x2 Battery Monitors

Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

Referenzdesigns

PMP23329 — Referenzdesign für einen bidirektionalen Akkupack mit Arm®-Cortex®-M0+-Prozessor, 10 s bis 16 s

Dieses Referenzdesign misst eine hohe Zellspannungsgenauigkeit für LiFePO4-Akkupacks mit 10 s bis 16 s. Das Referenzdesign umfasst einen hochpräzisen Batterieüberwachungsschutz, einen Gasfühler, einen sekundären Schutzbaustein und einen M0 zur Unterstützung der Programmierung und der Kommunikation (...)
Test report: PDF
Referenzdesigns

TIDA-010216 — Akkupack-Referenzdesign für 16 serielle Zellen mit Low-Side-MOSFET-Steuerung für Anwendungen mit gro

Bei diesem Referenzdesign handelt es sich um ein Lithium-Ionen (Li-Ion), LiFePO4‑Akkupack mit niedrigem Stromverbrauch im Standby- und Transport-Modus und hoher Zellspannungsgenauigkeit für 16 serielle Zellen. Das Design überwacht jede Zellenspannung, den Akkustrom, die Zell- und MOSFET-Temperatur (...)
Design guide: PDF
Referenzdesigns

TIDA-010208 — Akkupack-Ref.design für 10 bis 16 serielle Zellen mit genauer Zellm. und Highside-MOSFET-Steuerung

Bei diesem Referenzdesign handelt es sich um ein Lithium-Ionen (Li-Ion), LiFePO4‑Akkupack mit niedrigem Stromverbrauch im Standby- und Schiffsbetrieb und hoher Zellspannungsgenauigkeit für 10 bis 16 serielle Zellen. Das Design überwacht jede Zellenspannung, den Akkustrom, die Zell- und (...)
Design guide: PDF
Schaltplan: PDF
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
TQFP (PFB) 48 Ultra Librarian

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

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