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BQ29400DCT3 The Texas Instruments BQ29400DCT3 is a battery protection IC designed for 2 to 4 cell Lithium-Ion battery packs. It offers overvoltage protection and low power consumption.
Mfr Part #:

BQ29400DCT3

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ29400DCT3 is a battery protection IC designed for 2 to 4 cell Lithium-Ion battery packs. It offers overvoltage protection and low power consumption.
✓ Total Stock: 3,000 pcs
$ Price Range: $1.18

BQ29400DCT3 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
2,970 pcs
On Request
2970 pcs On Request 1 On Request On Request 17+ On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
30 pcs
On Request
30 pcs On Request 1 On Request On Request 14+ On Request On Request
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.

BQ29400DCT3 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
Supplier Device Package
Supplier Package
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BQ29400DCT3 Description

Short technical summary and product information.

The BQ29400DCT3 from Texas Instruments is a BiCMOS secondary protection IC specifically designed for 2-, 3-, or 4-cell Lithium-Ion battery packs. It incorporates a high-accuracy precision overvoltage detection circuit with a typical protection threshold of 4.35V.

 

This IC features a programmable delay circuit for overvoltage detection time, ensuring stable operation. It operates with a low typical current consumption of just 2 µA when all cells are below the protection voltage. The maximum input voltage is rated at 25.3V, and it operates within a temperature range of -25°C to 85°C.

 

The BQ29400DCT3 is available in an 8-pin SM8 package, specifically an 8-LSSOP or 8-MSOP with a width of 2.80mm. Its primary function is overvoltage fault protection, making it suitable for applications requiring reliable battery management.

 

Key applications include 2nd level protection in Li-Ion battery packs for notebook PCs, portable instrumentation, and medical and test equipment. Its design prioritizes accuracy and low power consumption for enhanced battery safety and longevity.

BQ29400DCT3 Quick Information

Product Type: Battery Protection IC
Canonical Name: BQ29400DCT3 Secondary Protection IC for 2-4 Cell LiIon Battery Packs
Subcategory: Battery Protectors

BQ29400DCT3 Compliance

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

BQ29400DCT3 Estimated Pricing

Qty Low High
1+ $1.18 $1.18

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

BQ29400DCT3 Features

  • Provides 2nd level overvoltage protection.
  • Supports 2, 3, or 4 cell Li-Ion packs.
  • Low operating current under 2 µA.
  • High accuracy overvoltage detection.
  • Available in 8-pin SM8 package.

BQ29400DCT3 Applications

  • Used in Li-Ion battery packs.
  • Suitable for notebook PCs.
  • Ideal for portable instrumentation.
  • Applicable in medical equipment.
  • Used in test equipment.

BQ29400DCT3 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the overvoltage protection threshold for the BQ29400DCT3?

The overvoltage protection threshold is 4.35V.

What is the minimum operating temperature for the BQ29400DCT3?

The minimum operating temperature is -25°C.

What is the maximum operating temperature for the BQ29400DCT3?

The maximum operating temperature is 85°C.

How many cells can the BQ29400DCT3 protect?

It can protect 2, 3, or 4 cells.

What is the typical operating current of the BQ29400DCT3?

The typical operating current is 2 µA.

What type of battery chemistry is supported by the BQ29400DCT3?

It supports Lithium Ion battery chemistry.

What is the package type for the BQ29400DCT3?

The package is an 8-pin SM8, specifically 8-LSSOP or 8-MSOP.

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