See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

RSM | 32

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

BQ40Z50RSMT-R1


1-4 Series Li-Ion Battery Pack Manager, Battery Fuel (Gas) Gauge

TI Store Price:

 
 
Qty.Price
1 - 9 $ 6.99
10 - 24 $ 6.37
25 - 99 $ 5.74
100 - 249 $ 5.28
250 - 499 $ 4.81
500 - 749 $ 4.16
750 - 999 $ 3.60
1000 - 9999 $ 3.11

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Texas Instruments BQ40Z50RSMT-R1

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.

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