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BQ29412DCTRG4 Texas Instruments BQ29412DCTRG4 is a battery protection IC designed for overvoltage protection of 2 to 4 series Li-ion cells. It features a 4.45V overvoltage threshold, operates from 25V max input, and draws only 2µA typical current.
Mfr Part #:

BQ29412DCTRG4

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
Texas Instruments BQ29412DCTRG4 is a battery protection IC designed for overvoltage protection of 2 to 4 series Li-ion cells. It features a 4.45V overvoltage threshold, operates from 25V max input, and draws only 2µA typical current.
✓ Total Stock: 36,235 pcs
$ Price Range: $0.75

BQ29412DCTRG4 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
36,000 pcs
On Request
36000 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
235 pcs
On Request
235 pcs On Request 1 On Request On Request 1301+5 On Request On Request
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BQ29412DCTRG4 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Fault Protection
Function
Mounting Type
Number of Cells
Operating Temperature
SVHC Present
Storage Temperature
Supplier Device Package
Supplier Package
Tape & Reel
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BQ29412DCTRG4 Description

Short technical summary and product information.

The BQ29412DCTRG4 from Texas Instruments is a precision overvoltage protection IC designed for 2 to 4 series lithium-ion battery packs. It provides a fixed overvoltage protection threshold of 4.45V (typical), ensuring safe battery charging and preventing damage from overcharge conditions. The device can withstand a maximum input voltage of 25V and features an ultra-low typical operating current of only 2µA, making it ideal for battery-powered applications where power consumption is critical.

 

The IC is housed in a compact surface-mount SM8 package (8-LSSOP/MSOP) measuring 0.110" x 2.80mm, suitable for space-constrained designs. It supports an operating temperature range of -40°C to 110°C, allowing use in industrial and automotive environments.

 

This protection IC simplifies battery management system design by integrating overvoltage detection without the need for external components. It is specifically designed for lithium-ion chemistries and can be used in multi-cell battery packs for power tools, portable electronics, and backup power systems.

BQ29412DCTRG4 Quick Information

Product Type: Battery Protection IC
Canonical Name: BQ29412DCTRG4 Battery Overvoltage Protection IC
Subcategory: Overvoltage Protection

BQ29412DCTRG4 Compliance

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

BQ29412DCTRG4 Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

BQ29412DCTRG4 Features

  • Overvoltage protection for 2-4 Li-ion cells.
  • Fixed 4.45V overvoltage threshold.
  • Maximum input voltage of 25V.
  • Typical operating current of 2µA.
  • Surface-mount SM8 package.

BQ29412DCTRG4 Applications

  • Suitable for lithium-ion battery pack protection.
  • Used in power tools and portable electronics.
  • Ideal for battery management system designs.
  • Applicable in backup power systems.

BQ29412DCTRG4 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum input voltage of the BQ29412DCTRG4?

25V

What is the package type of the BQ29412DCTRG4?

8-LSSOP, 8-MSOP (0.110", 2.80mm Width) surface-mount package

What is the operating temperature range of the BQ29412DCTRG4?

-40°C to 110°C

How many series cells does the BQ29412DCTRG4 protect?

2 to 4 cells

What battery chemistry is supported by the BQ29412DCTRG4?

Lithium Ion

What is the typical operating current of the BQ29412DCTRG4?

2 µA

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