Texas Instruments BQ7790511PWR

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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 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 20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 20-TSSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The BQ7790511PWR is a battery protection IC from Texas Instruments, tailored for 3 to 5 series-connected Lithium Ion cells. It integrates overcurrent, over/under voltage, over temperature, and short circuit protection into a single 20-TSSOP package. With an operating temperature range of -40°C to 85°C, it is engineered for reliable performance in a wide range of applications, from consumer electronics to industrial equipment.

  • Multi-Level Protection: Offers a complete safety net with overcurrent, over/under voltage, over temperature, and short circuit detection.
  • Wide Operating Range: Functions effectively in temperatures from -40°C to 85°C, making it suitable for outdoor and industrial use.
  • Design Flexibility: Supports 3 to 5 cells, accommodating various battery pack sizes and voltage requirements.
  • Compact Form Factor: The 20-TSSOP package helps minimize the overall size of the battery management circuit.

E-Bike Battery Management

The 3-5 cell configuration and comprehensive protection features are ideal for e-bike batteries, ensuring safe operation under varying loads and charging conditions.

Portable Power Stations

For portable generators and power stations, this IC provides critical over/under voltage and overcurrent protection to safeguard the Lithium Ion cells.

Robotic Vacuum Cleaners

These devices require reliable battery protection to handle frequent charge/discharge cycles and prevent damage from overcurrent or short circuits.

Smart Grid Meters

In smart utility meters, the wide temperature range and robust protection ensure long-term reliability in outdoor and uncontrolled environments.

Electric Wheelchairs

Safety is paramount in mobility aids; this IC's over temperature and short circuit protection help ensure user safety.

Solar Lighting Systems

For off-grid solar lights, the over/under voltage protection helps manage battery state-of-charge effectively, extending battery life.

Q: What is the BQ7790511PWR used for?
A: It is a battery protection IC designed for Lithium Ion battery packs.
Q: How many cells can it protect?
A: It supports 3 to 5 series-connected Lithium Ion cells.
Q: What fault conditions does it guard against?
A: It provides protection against Over Current, Over Temperature, Over/Under Voltage, and Short Circuit.
Q: What is the temperature range?
A: The device is rated for -40°C to 85°C (TA).
Q: What package does it come in?
A: It is available in a 20-TSSOP package with a 4.40mm width.
Base Product Number : BQ7790511
3-5 Cells Battery Management Battery Protection BMS Lithium Ion Overcurrent Protection Texas Instruments TSSOP
Q: What is the BQ7790511PWR used for?
A: It is a battery protection IC designed for Lithium Ion battery packs.
Q: How many cells can it protect?
A: It supports 3 to 5 series-connected Lithium Ion cells.
Q: What fault conditions does it guard against?
A: It provides protection against Over Current, Over Temperature, Over/Under Voltage, and Short Circuit.
Q: What is the temperature range?
A: The device is rated for -40°C to 85°C (TA).
Q: What package does it come in?
A: It is available in a 20-TSSOP package with a 4.40mm width.