BQ20Z65DBTR-R1 by Texas Instruments | Battery Management | Avnet ASIA
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BQ20Z65DBTR-R1

Texas Instruments

Gas Gauge Li-Ion/Li-Pol 25V 44-Pin TSSOP T/R

Manufacturer Part #: BQ20Z65DBTR-R1

Alternate Part #: BQ20Z65DBTR-R1


legend RoHS Compliant

Descriptions

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Information

The bq20z65-R1 SBS-compliant gas gauge and protection IC, incorporating patented Impedance Track technology, is a single IC solution designed for battery-pack or in-system installation. The bq20z65-R1 measures and maintains an accurate record of available charge in Li-ion or Li-polymer batteries using its integrated high-performance analog peripherals. The bq20z65-R1 monitors capacity change, battery impedance, open-circuit voltage, and other critical parameters of the battery pack which reports the information to the system host controller over a serial-communication bus. Together with the integrated analog front-end (AFE) short-circuit and overload protection, the bq20z65-R1 maximizes functionality and safety while minimizing external component count, cost, and size in smart battery circuits.

The implemented Impedance Track gas gauging technology continuously analyzes the battery impedance, resulting in superior gas-gauging accuracy. This enables remaining capacity to be calculated with discharge rate, temperature, and cell aging all accounted for during each stage of every cycle with high accuracy.

Key Features

  • Next Generation Patented Impedance Track Technology Accurately Measures Available Charge in Li-Ion and Li-Polymer Batteries
    • Better Than 1% Error Over the Lifetime of the Battery
  • Supports the Smart Battery Specification SBS V1.1
  • Flexible Configuration for 2 to 4 Series Li-Ion and Li-Polymer Cells
  • Powerful 8-Bit RISC CPU With Ultralow Power Modes
  • Full Array of Programmable Protection Features
    • Voltage, Current, and Temperature
  • Satisfies JEITA Guidelines
  • Added Flexibility to Handle More Complex Charging Profiles
  • Lifetime Data Logging
  • Drives 3, 4, and 5 Segment LED Display for Battery-Pack Conditions
  • Supports SHA-1 Authentication
  • Complete Battery Protection and Gas Gauge Solution in One Package
  • Available in a 44-Pin TSSOP (DBT) package

Technical Attributes

Description
Value
Find similar Parts
Supplier Package
TSSOP
Pin Count
44
Type
Gas Gauge
Battery Type
Li-Ion|Li-Pol
MSL Level
2
Operating Temperature
-40 to 85 °C
Output Voltage
25 V
Product Dimensions
11 x 4.4 x 1.15 mm
Mounting
Surface Mount
Lead Finish
Gold
Max Processing Temp
260

ECCN / UNSPSC

Description
Value
ECCN:
EAR99
SCHEDULE B:
85423900228.1
HTSN:
85423900228.1
UNSPSC:
32101600
UNSPSC VERSION:
V15.1101

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