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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Function Battery Protection
Battery Chemistry Lithium Ion
Number of Cells 2 ~ 4
Fault Protection Over Voltage
Interface -
Operating Temperature -40°C ~ 110°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-LSSOP, 8-MSOP (0.110", 2.80mm Width)
Supplier Device Package SM8
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Texas Instruments BQ29411DCTR is a Battery Protection IC for 2 to 4 series Lithium Ion cells. It features Over Voltage protection to ensure safe charging and prevent cell degradation. With a wide -40°C to 110°C operating range, it is suitable for automotive and industrial applications. The compact 8-LSSOP/MSOP package supports space-efficient designs.

  • Automotive-Grade Temperature: Operates from -40°C to 110°C.
  • Over Voltage Protection: Prevents overcharging and extends battery life.
  • Flexible Cell Configuration: Supports 2 to 4 series cells.
  • Minimal Footprint: 8-pin package ideal for compact PCBs.

High-End Consumer Electronics

Premium smartphones and tablets with 2-4 cell batteries benefit from overvoltage protection during rapid charging.

Automotive Telematics

In-vehicle tracking units using 2-4 cell backup batteries operate reliably with the 110°C temperature rating.

Industrial Handheld Scanners

Warehouse scanners with 2-4 cell packs need overvoltage protection in unconditioned environments.

Portable Test Equipment

Field-testing instruments exposed to high temperatures can use this protector for battery safety.

Emergency Lighting Systems

Battery-backed emergency lights with 2-4 cells require dependable overvoltage protection.

Q: What is the function of the BQ29411DCTR?
A: It is a Battery Protection IC for Lithium Ion batteries.
Q: How many cells does it support?
A: It supports 2 to 4 series Lithium Ion cells.
Q: What protection is included?
A: It provides Over Voltage protection.
Q: What is the operating temperature range?
A: It operates from -40°C to 110°C (TA).
Q: What package is available?
A: It comes in an 8-LSSOP or 8-MSOP (0.110", 2.80mm Width) package.
Base Product Number : BQ29411
2-4 Cells 8-MSOP Battery Management Battery Protection BMS Lithium Ion Over Voltage Protection Texas Instruments
Q: What is the function of the BQ29411DCTR?
A: It is a Battery Protection IC for Lithium Ion batteries.
Q: How many cells does it support?
A: It supports 2 to 4 series Lithium Ion cells.
Q: What protection is included?
A: It provides Over Voltage protection.
Q: What is the operating temperature range?
A: It operates from -40°C to 110°C (TA).
Q: What package is available?
A: It comes in an 8-LSSOP or 8-MSOP (0.110", 2.80mm Width) package.