Mfr Part #:

BQ40Z50RSMR-R1

The Texas Instruments BQ40Z50RSMR-R1 is a multi-function battery pack manager designed for 1-4 series Li-Ion/Li-Polymer cells. It supports a wide operating temperature range and features an SMBus communication interface.

✓ Total Stock: 108,801 pcs

$ Price Range: $1.73

BQ40Z50RSMR-R1 Available from 5 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Fe Components ✓ Non-Authorised Inventory information	76,702 pcs On Request	76702 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Smaxon Electronics ✓ Non-Authorised Inventory information	15,000 pcs On Request	15000 pcs	On Request	1	On Request	On Request	21+	On Request	On Request
Optech Co.,Limited ✓ Non-Authorised Inventory information	7,769 pcs On Request	7769 pcs	On Request	1	On Request	On Request	21+	On Request	On Request
PROSOFT ELECTRONICS ✓ Non-Authorised Inventory information	7,540 pcs On Request	7540 pcs	On Request	1	On Request	On Request	25+	On Request	On Request
Xingangxin ✓ Non-Authorised Inventory information	1,790 pcs On Request	1790 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

BQ40Z50RSMR-R1 Description

Short technical summary and product information.

The BQ40Z50RSMR-R1 from Texas Instruments is an integrated circuit designed for battery pack management. It is capable of managing battery packs with 1 to 4 series connected Li-Ion or Li-Polymer cells.

Key electrical specifications include a communication interface via SMBus and a broad operating temperature range of -40°C to 85°C. The device functions as a multi-function controller, offering fault protection against over current, over temperature, over/under voltage, and short circuits.

Packaged in a 32-VQFN (4x4) format, this IC is designed for surface mount applications. Its functionality supports advanced battery management features, contributing to the safety and performance of battery systems.

BQ40Z50RSMR-R1 Quick Information

Product Type: Battery Management IC

Canonical Name: Texas Instruments BQ40Z50RSMR-R1 Battery Pack Manager

Subcategory: Battery Management ICs

BQ40Z50RSMR-R1 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

BQ40Z50RSMR-R1 Estimated Pricing

Qty	Low	High
1+	$1.73	$1.73

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

BQ40Z50RSMR-R1 Features

Manages 1-4 series Li-Ion/Li-Polymer cells.
Features SMBus communication interface.
Operates from -40°C to 85°C.
Provides multi-function fault protection.
Surface mount 32-VQFN package.

BQ40Z50RSMR-R1 Applications

Used in notebook battery packs.
Ideal for portable electronics.
Suitable for power tool battery management.
Applicable in medical device batteries.
Used in industrial battery systems.

BQ40Z50RSMR-R1 FAQs

7 frequently asked questions generated from this part’s specifications.

What battery chemistries does the BQ40Z50RSMR-R1 support?

Li-Ion/Li-Polymer.

How many series cells can it manage?

1-4 cells.

What communication interface does it use?

SMBus.

What fault protections are included?

Over current, over temperature, over/under voltage, short circuit.

What is the operating temperature range?

-40°C to 85°C.

What package is it available in?

32-VQFN (4x4) and 32-VFQFN Exposed Pad.

What is the function of the BQ40Z50RSMR-R1?

Multi-Function Controller.

Category	Battery Management
Manufacturer Name	Texas Instruments
Battery Chemistry	Li-Ion/Li-Polymer
Fault Protection	Over Current, Over Temperature, Over/Under Voltage, Short Circuit
Function	Multi-Function Controller
Interface	SMBus
Mounting Type	Surface Mount
Number of Cells	1 ~ 4
Operating Temperature	-40°C ~ 85°C
Supplier Device Package	32-VQFN (4x4)