BQ40Z80RSMR The Texas Instruments BQ40Z80RSMR is a multi-function battery pack manager designed for 2 to 7 series Lithium Ion/Polymer cells. It features the Impedance Track™ gas gauging algorithm and operates within a temperature range of -40°C to 85°C.
Mfr Part #:

BQ40Z80RSMR

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ40Z80RSMR is a multi-function battery pack manager designed for 2 to 7 series Lithium Ion/Polymer cells. It features the Impedance Track™ gas gauging algorithm and operates within a temperature range of -40°C to 85°C.
Total Stock: 18,658 pcs
$ Price Range: $2.62

BQ40Z80RSMR Available from 4 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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11,300 pcs
11300 pcs On Request 1 On Request On Request On Request On Request On Request
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3,580 pcs
3580 pcs On Request 1 On Request On Request On Request On Request On Request
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1,941 pcs
1941 pcs On Request 1 On Request On Request 21+ On Request On Request
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1,837 pcs
1837 pcs On Request 1 On Request On Request On Request On Request On Request

BQ40Z80RSMR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Fault Protection
Function
Interface
Mounting Type
Number of Cells
Operating Temperature
Supplier Device Package
Supplier Package

BQ40Z80RSMR Description

Short technical summary and product information.

The BQ40Z80RSMR from Texas Instruments is an integrated circuit designed for advanced battery pack management. It supports 2 to 7 series Lithium Ion or Li-Polymer cells, providing comprehensive monitoring and protection.

 

Key features include the patented Impedance Track™ algorithm for accurate state-of-charge (SoC) estimation, along with cell balancing capabilities and sophisticated charge algorithms like JEITA and adaptive charging. The device offers robust fault protection against over current, over temperature, over/under voltage, and short circuits. It communicates via a two-wire SMBus interface.

 

Packaged in a 32-VQFN (4x4mm) surface-mount package, the BQ40Z80RSMR is suitable for applications requiring precise battery management and safety. It supports both ECC and SHA-1 authentication methods, enhancing system security. The operating temperature range is -40°C to 85°C.

BQ40Z80RSMR Quick Information

Product Type: Battery Management IC
Canonical Name: BQ40Z80RSMR Battery Pack Manager
Subcategory: Battery Pack Managers

BQ40Z80RSMR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BQ40Z80RSMR Estimated Pricing

Qty Low High
1+ $2.62 $2.62

Estimated market price range - modelled values for guidance only, not live distributor offers.

BQ40Z80RSMR Features

  • Manages 2 to 7 series Li-Ion/Polymer cells.
  • Accurate gas gauging with Impedance Track™.
  • Supports SMBus communication interface.
  • Integrated cell balancing and protection.
  • Operates from -40°C to 85°C.

BQ40Z80RSMR Applications

  • Ideal for multi-cell battery packs.
  • Used in portable electronic devices.
  • Suitable for power tool battery management.
  • Applicable in electric vehicle systems.
  • Enables secure battery authentication.

BQ40Z80RSMR FAQs

7 frequently asked questions generated from this part’s specifications.
What battery chemistries does the BQ40Z80RSMR support?

Lithium Ion/Polymer.

How many series cells can the BQ40Z80RSMR manage?

2 to 7 series cells.

What communication interface does the BQ40Z80RSMR use?

SMBus.

What is the operating temperature range of the BQ40Z80RSMR?

-40°C to 85°C.

What fault protection features are included?

Over Current, Over Temperature, Over/Under Voltage, Short Circuit.

Does the BQ40Z80RSMR support cell balancing?

Yes, with both external and internal cell balancing.

What authentication methods are supported?

ECC and SHA-1 authentication.

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