Mfr Part #:

BQ29411PWRG4

The Texas Instruments BQ29411PWRG4 is a secondary overvoltage protection IC designed for 2 to 4-cell lithium-ion battery packs. It offers high-accuracy overvoltage detection and low power consumption.

✓ Total Stock: 94,820 pcs

$ Price Range: $1.30

BQ29411PWRG4 Available from 2 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Romaks Technologies ✓ Non-Authorised Inventory information	72,320 pcs On Request	72320 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Optech Co.,Limited ✓ Non-Authorised Inventory information	22,500 pcs On Request	22500 pcs	On Request	1	On Request	On Request	10+	On Request	On Request

BQ29411PWRG4 Description

Short technical summary and product information.

The BQ29411PWRG4 from Texas Instruments is a secondary overvoltage protection integrated circuit specifically designed for 2-, 3-, or 4-cell lithium-ion battery packs. This IC incorporates a high-accuracy precision overvoltage detection circuit with a fixed threshold of 4.40V.

Key features include low power consumption, with a typical current draw of less than 2 µA when cells are below the protection voltage. It also offers a programmable delay time for overvoltage detection and high power supply ripple rejection, ensuring stable operation during pulse charge conditions.

The BQ29411PWRG4 is housed in an 8-TSSOP package and is designed for surface mount applications. Its operating temperature range is -40°C to 110°C.

This device is suitable for second-level overvoltage protection in battery packs for applications such as notebook computers, portable instrumentation, and other portable equipment.

BQ29411PWRG4 Quick Information

Product Type: Battery Protection IC

Canonical Name: BQ29411 Secondary Over-Voltage Protection IC

Subcategory: Battery Protectors

BQ29411PWRG4 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

BQ29411PWRG4 Estimated Pricing

Qty	Low	High
1+	$1.30	$1.30

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

BQ29411PWRG4 Features

Secondary overvoltage protection for 2-4 cell Li-Ion.
Fixed 4.40V overvoltage protection threshold.
Low power consumption below 2µA.
Programmable delay time for detection.
Surface mount 8-TSSOP package.

BQ29411PWRG4 Applications

Protection for Li-Ion battery packs.
Used in notebook computers.
Suitable for portable instrumentation.
Ideal for portable equipment.

BQ29411PWRG4 FAQs

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

What is the operating temperature range of the BQ29411PWRG4?

-40°C to 110°C

What package does the BQ29411PWRG4 come in?

8-TSSOP surface mount package

How many cells does the BQ29411PWRG4 support?

2 to 4 lithium-ion cells

What is the overvoltage protection threshold of the BQ29411PWRG4?

4.40V nominal

What battery chemistry is supported by the BQ29411PWRG4?

Lithium Ion

What is the power consumption in protection mode?

Less than 2µA when all cells are below protection threshold

What is the function of the BQ29411PWRG4?

Battery protection IC

BQ29411PWRG4 Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.

View All Alternate Parts

BQ29410PWRG4

Texas Instruments

The Texas Instruments BQ29410PWRG4 is a secondary over-voltage protection IC designed for 2 to 4-cell Lithium-Ion battery packs. It offers precise overvoltage detection and protection.

View Part

BQ29412PWRG4