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Texas Instruments BQ40Z50RSMR-R1 Microcontrollers

Li-ion Battery Manager IC, 1-4S, 2.2-26V, 32-VQFN, Industrial

10,770Texas InstrumentsBQ40Z32-VFQFN Exposed Pad$3.49
BQ40Z50RSMR-R1 32-VFQFN Exposed Pad package illustration

Same model may have multiple batches, images only for reference.

BQ40Z50RSMR-R1
Manufacturer
Texas Instruments
Part Number (MPN)
BQ40Z50RSMR-R1
Category
Integrated Circuits (ICs)Embedded Processors and ControllersMicrocontrollers
Base Model
BQ40Z
Detailed Description
Li-ion Battery Manager IC, 1-4S, 2.2-26V, 32-VQFN, Industrial
Package
32-VFQFN Exposed Pad
Lifecycle Status
Not For New Designs
Datasheet
PDF BQ40Z50RSMR-R1 Datasheet
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Ordering Code Family

BQ40Z groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

6 ordering variants listed on the family page.

View all variants

Technical Specifications

Texas Instruments BQ40Z50RSMR-R1 Microcontrollers technical specifications.

General

Interface
SMBus
RoHS
Yes
Package / Case
32-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Lifecycle Status
Not For New Designs
Battery Chemistry
Lithium Ion/Polymer
Number of Cells
1 ~ 4
Fault Protection
Over Current, Over Temperature, Over/Under Voltage, Short Circuit
Function
Multi-Function Controller

Alternate Parts Comparison (BQ40Z50RSMR-R1 vs BQ40Z60RHBR vs BQ40Z60RHBT vs BQ40Z50RSMT-R2)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
Texas InstrumentsBQ40Z50RSMR-R1
Texas InstrumentsBQ40Z60RHBR
Texas InstrumentsBQ40Z60RHBT
Texas InstrumentsBQ40Z50RSMT-R2
Package / Case32-VFQFN Exposed Pad32-VFQFN Exposed Pad32-VFQFN Exposed Pad32-VFQFN Exposed Pad
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
InterfaceSMBusSMBusSMBusSMBus
RoHSYesYesYesYes
Lifecycle StatusNot For New DesignsActiveActiveActive
Battery Capacity Max Mah65000290002900065000
Battery Capacity Min Mah100100100100
Battery ChemistryLithium Ion/PolymerLithium Ion/PolymerLithium Ion/PolymerLithium Ion/Polymer
Cell BalancingExternal, InternalExternal, InternalExternal, InternalExternal, Internal
Cell ChemistryLi-Ion/Li-Polymer, LiFePO4Li-Ion/Li-Polymer, LiFePO4Li-Ion/Li-Polymer, LiFePO4Li-Ion/Li-Polymer, LiFePO4
Communication InterfaceSMBusSMBusSMBusSMBus
Action
RFQ
RFQ
RFQ
RFQ

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

More Parts in Microcontrollers

Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
BQ40Z50RSMT-R2BQ40Z50RSMT-R2Texas Instruments
1-4 series Li-ion battery pack manager supporting Turbo Mode 2.0 32-VQFN -40 to 85
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BQ40Z60RHBRBQ40Z60RHBRTexas Instruments
IC BATT CHG LI-ION 2-4CEL 32VQFN
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BQ40Z50RSMR-R2BQ40Z50RSMR-R2Texas Instruments
4-Ch Li-ion Battery Manager IC, 2.2-26V, 32-VQFN, Industrial
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