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Regular price $29.70
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Product attributes Property Value
Manufacturer Nuvoton Technology Corporation
Product Series
Packaging Tape & Reel (TR) |
Function Battery Monitor
Battery Chemistry -
Number of Cells 22
Fault Protection Over Current, Over Temperature, Over/Under Voltage, Short Circuit
Interface SPI
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 64-TQFP
Supplier Device Package 64-TQFP (10x10)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The KA49522A-VB from Nuvoton is a high-channel Battery Monitor designed for advanced battery management systems. It is capable of monitoring up to 22 cells, providing comprehensive protection including Over Current, Over Temperature, Over/Under Voltage, and Short Circuit. The device communicates via an SPI interface, enabling fast and reliable data transfer. Packaged in a 64-TQFP, it operates over a temperature range of -40°C to 85°C, making it suitable for a wide range of industrial and automotive applications.

  • High Channel Count: Monitors up to 22 cells, ideal for high-voltage battery packs.
  • Comprehensive Protection: Includes Over Current, Over Temperature, Over/Under Voltage, and Short Circuit protection.
  • Fast Communication: SPI interface allows for high-speed data acquisition and control.
  • Wide Operating Range: Functions reliably from -40°C to 85°C.

Large-Format Energy Storage

The KA49522A-VB is perfect for large-format energy storage systems, monitoring up to 22 cells with comprehensive protection including Short Circuit and Over/Under Voltage.

Electric Vehicle Battery Packs

For EV battery packs, this monitor provides essential safety features like Over Current and Over Temperature protection, ensuring reliable operation.

Telecom Backup Power

Telecom infrastructure requires reliable backup power; this battery monitor ensures the health and safety of large battery banks with its SPI interface and robust protection.

Industrial UPS Systems

Industrial UPS systems benefit from the KA49522A's ability to monitor many cells and its wide operating temperature range of -40°C to 85°C.

Grid-Scale Battery Systems

Grid-scale storage solutions require precise monitoring and protection, which this device delivers with its 22-cell capacity and comprehensive fault detection.

Q: What is the function of the KA49522A-VB?
A: It is a Battery Monitor for battery management systems.
Q: How many cells can it monitor?
A: It can monitor up to 22 cells.
Q: What fault protection does it provide?
A: It provides Over Current, Over Temperature, Over/Under Voltage, and Short Circuit protection.
Q: What communication interface does it use?
A: It uses the SPI interface.
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C (TA).
Q: What package is available?
A: It comes in a 64-TQFP package.
Base Product Number : KA49522A
22 Cells 64-TQFP Battery Management Battery Monitor BMS Over Current Protection Over Temperature Protection Over/Under Voltage Protection Short Circuit Protection SPI
Q: What is the function of the KA49522A-VB?
A: It is a Battery Monitor for battery management systems.
Q: How many cells can it monitor?
A: It can monitor up to 22 cells.
Q: What fault protection does it provide?
A: It provides Over Current, Over Temperature, Over/Under Voltage, and Short Circuit protection.
Q: What communication interface does it use?
A: It uses the SPI interface.
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C (TA).
Q: What package is available?
A: It comes in a 64-TQFP package.