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BQ40Z50RSMR-R2 The Texas Instruments BQ40Z50RSMR-R2 is a multi-function battery pack manager for 1-4 series Li-ion or Li-polymer cells. It supports SMBus communication and features Impedance Track™ technology.
Mfr Part #:

BQ40Z50RSMR-R2

Available from 5 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ40Z50RSMR-R2 is a multi-function battery pack manager for 1-4 series Li-ion or Li-polymer cells. It supports SMBus communication and features Impedance Track™ technology.
✓ Total Stock: 38,277 pcs
$ Price Range: $1.73

BQ40Z50RSMR-R2 Available from 5 distributors

✓ Authorised
✓ Non-Authorised
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

BQ40Z50RSMR-R2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Fault Protection
Features
Function
Interface
Mounting Type
Number of Cells
Operating Temperature
Supplier Device Package
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BQ40Z50RSMR-R2 Description

Short technical summary and product information.

The BQ40Z50RSMR-R2 from Texas Instruments is a fully integrated battery pack manager designed for 1 to 4 series Li-ion or Li-polymer cells. It utilizes patented Impedance Track™ technology for accurate charge measurement in batteries.

 

This device supports a battery capacity range from 100 mAh up to 65,000 mAh (29 Ah). Key features include cell balancing, an integrated protector, SHA-1 authentication, and Turbo Mode 2.0. It offers programmable protection features for voltage, current, and temperature, along with sophisticated charge algorithms like JEITA and adaptive charging.

 

The BQ40Z50RSMR-R2 operates within a temperature range of -40°C to 85°C and communicates via a two-wire SMBus v1.1 interface. It is housed in a compact 32-lead VQFN package, suitable for surface mounting.

 

This IC is ideal for applications requiring robust battery management and protection, including portable electronics, power tools, and electric vehicles.

BQ40Z50RSMR-R2 Quick Information

Product Type: Battery Management IC
Canonical Name: BQ40Z50RSMR-R2 1-4 Series Li-Ion Battery Pack Manager
Subcategory: Battery Pack Managers

BQ40Z50RSMR-R2 Compliance

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

BQ40Z50RSMR-R2 Estimated Pricing

Qty Low High
1+ $1.73 $1.73

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

BQ40Z50RSMR-R2 Features

  • Manages 1-4 series Li-ion battery packs.
  • Accurate charge measurement with Impedance Track™.
  • Integrated cell balancing during charge or rest.
  • Programmable voltage, current, and temperature protection.
  • Compact 32-VQFN surface mount package.

BQ40Z50RSMR-R2 Applications

  • Ideal for portable electronic devices.
  • Suitable for power tool battery packs.
  • Used in electric vehicle battery systems.
  • Enables intelligent battery monitoring.

BQ40Z50RSMR-R2 FAQs

7 frequently asked questions generated from this part’s specifications.
What battery chemistries does the BQ40Z50RSMR-R2 support?

It supports Lithium Ion/Polymer and LiFePO4 chemistries.

How many series cells can this battery manager handle?

It can manage 1 to 4 series cells.

What is the communication interface for the BQ40Z50RSMR-R2?

The communication interface is SMBus.

What is the operating temperature range for this IC?

The operating temperature range is -40°C to 85°C.

What types of fault protection are included?

It includes protection for Over Current, Over Temperature, Over/Under Voltage, and Short Circuit.

Does the BQ40Z50RSMR-R2 support cell balancing?

Yes, it supports both external and internal cell balancing.

What is the package type for the BQ40Z50RSMR-R2?

It comes in a 32-VQFN (4x4) package.

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