Texas Instruments BQ7791508PWR

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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/Polymer
Number of Cells 3 ~ 5
Fault Protection Over Current, Over Temperature, Over/Under Voltage, Short Circuit
Interface -
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 24-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 24-TSSOP

The Texas Instruments BQ7791508PWR is a sophisticated battery protection controller designed for 3 to 5 series-connected Lithium Ion or Polymer cells. It provides a comprehensive suite of safety features, including Over Current, Over Temperature, Over/Under Voltage, and Short Circuit protection. This IC is packaged in a 24-TSSOP and is engineered for reliable operation across a wide temperature range, making it a robust solution for demanding battery-powered applications.

  • Advanced Protection Suite: Includes Short Circuit protection in addition to Over Current, Over Temperature, and Over/Under Voltage, offering a higher level of safety.
  • Multi-Chemistry Support: Compatible with both Lithium Ion and Lithium Polymer batteries, providing design flexibility.
  • Extended Cell Support: Manages up to 5 cells, suitable for higher voltage battery packs.
  • Reliable in Extreme Conditions: Operates effectively from -40°C to 85°C, suitable for industrial and outdoor applications.

High-Capacity Power Tool Packs

Ideal for 3-5 cell Lithium Ion/Polymer packs in professional power tools, where robust protection against short circuits and overcurrent is essential for user safety and tool durability.

Electric Bicycle Batteries

Provides critical safety monitoring for e-bike battery packs, protecting against over-temperature and over/under-voltage conditions during demanding rides and charging cycles.

Portable Power Stations

Ensures safe operation of portable power stations by managing the battery pack's health and preventing damage from fault conditions, extending the lifespan of the energy storage system.

Robotics and Drones

Used in high-discharge applications like drones and robotics, where the combination of overcurrent and short circuit protection is vital for preventing catastrophic battery failures.

Medical and Healthcare Equipment

Supports reliable and safe power for portable medical devices, with comprehensive protection features ensuring continuous and safe operation in critical care environments.

Q: What is the function of the BQ7791508PWR?
A: It is a battery protection IC for Lithium Ion/Polymer battery packs.
Q: How many cells can this IC protect?
A: It supports 3 to 5 series-connected cells.
Q: What fault protection features does it offer?
A: It includes Over Current, Over Temperature, Over/Under Voltage, and Short Circuit protection.
Q: What is the operating temperature range?
A: The device operates from -40°C to 85°C (TA).
Q: What package is available?
A: It is offered in a 24-TSSOP (0.173", 4.40mm Width) package.
Base Product Number : BQ7791508
3-5 Cells Battery Management Battery Protection BMS Lithium Ion Lithium Polymer Short Circuit Protection Texas Instruments TSSOP
Q: What is the function of the BQ7791508PWR?
A: It is a battery protection IC for Lithium Ion/Polymer battery packs.
Q: How many cells can this IC protect?
A: It supports 3 to 5 series-connected cells.
Q: What fault protection features does it offer?
A: It includes Over Current, Over Temperature, Over/Under Voltage, and Short Circuit protection.
Q: What is the operating temperature range?
A: The device operates from -40°C to 85°C (TA).
Q: What package is available?
A: It is offered in a 24-TSSOP (0.173", 4.40mm Width) package.