BQ40Z50-R1 Texas instruments

BQ40Z50-R1

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BQ40Z50-R1

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Описание

The bq40z50-R1 device, incorporating patented Impedance 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 1-series, 2-series, 3-series, and 4-series cell Li-Ion and Li-Polymer battery packs. Using its integrated high-performance analog peripherals, the bq40z50-R1 device measures and maintains an accurate record of available capacity, voltage, current, temperature, and other critical parameters in Li-Ion or Li-Polymer batteries, and reports this information to the system host controller over an SMBus v1.1 compatible interface. The bq40z50-R1 device supports TURBO BOOST mode by providing the available max power and max current to the host system. The device also supports Battery Trip Point to send a BTP interrupt signal to the host system at the pre-set state of charge thresholds. The bq40z50-R1 provides software-based 1st- and 2nd-level safety protection against overvoltage, undervoltage, overcurrent, short-circuit current, overload, and overtemperature conditions, as well as other pack- and cell-related faults. SHA-1 authentication, with secure memory for authentication keys, enables identification of genuine battery packs. The compact 32-lead QFN package minimizes solution cost and size for smart batteries while providing maximum functionality and safety for battery gauging applications.

Fully Integrated 1-Series, 2-Series, 3-Series, and
4-Series Li-Ion or Li-Polymer Cell Battery Pack
Manager and Protection
Next-Generation Patented Impedance Track™
Technology Accurately Measures Available
Charge in Li-Ion and Li-Polymer Batteries
High Side N-CH Protection FET Drive
Integrated Cell Balancing While Charging or At
Rest
Full Array of Programmable Protection Features
- Voltage
- Current
- Temperature
- Charge Timeout
- CHG/DSG FETs
- AFE
Sophisticated Charge Algorithms
- JEITA
- Enhanced Charging
- Adaptive Charging
- Cell Balancing
Supports TURBO BOOST Mode
Supports Battery Trip Point (BTP)
Diagnostic Lifetime Data Monitor and Black Box
Recorder
LED Display
Supports Two-Wire SMBus v1.1 Interface
SHA-1 Authentication
Compact Package: 32-Lead QFN (RSM)

Cell chemistry	Li-Ion/Li-Polymer, LiFePO4
Number of series cells	2-4 Cells, Single Cell
Communication interface	SMBus
Battery capacity (min) (mAh)	100
Battery capacity (max) (mAh)	65000
Implementation	Pack
External capacity indication	LED
Features	Cell balancing, Impedance Track™ algorithm, Integrated Protector, SHA-1 Authentication, Turbo Mode
Operating temperature range (°C)	-40 to 85
Cell balancing	External, Internal
Rating	Catalog