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Li-Ion, Li-Pol Battery Authentication, Fuel Gauge, 2.2 V to 26 V supply, SMBus interface, VQFN-32


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Product Overview

The BQ40Z50RSMT-R1 is a Li-ion Battery Fuel (Gas) Gauge 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. This 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.
  • High side N channel protection FET drive
  • Integrated cell balancing while charging or at rest
  • Sophisticated charge algorithms
  • 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
  • Green product and no Sb/Br


Medical, Computers & Computer Peripherals, Test & Measurement, Portable Devices

Product Information

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Authentication, Fuel Gauge

Li-Ion, Li-Pol









MSL 2 - 1 year

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Technical Documents (1)

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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Packaging type Cut Tape

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More stock available to supplier lead times which is approximately 5/6/23

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10+ Rs.519.65
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