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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 1 ~ 10
Fault Protection -
Interface SPI
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 56-VQFP
Supplier Device Package 56-TQFP (10x10)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The KA49511A-VB from Nuvoton is a versatile battery monitor designed for multi-cell battery stacks. It can monitor 1 to 10 cells, making it suitable for a wide range of applications. With an SPI interface and an operating temperature range of -40°C to 105°C, it offers reliable performance in demanding environments. The 56-VQFP package provides a compact solution for space-constrained designs.

  • High Cell Count Support: Monitors up to 10 cells, ideal for high-voltage battery packs.
  • Wide Temperature Operation: Functions from -40°C to 105°C for industrial applications.
  • Standard Interface: SPI communication simplifies integration with microcontrollers.
  • Compact Package: 56-VQFP package saves valuable PCB space.

Large-Capacity Energy Storage

Monitor up to 10 lithium-ion cells in large-format energy storage systems, providing comprehensive voltage data for efficient battery management.

Electric Vehicle Battery Packs

Use in EV battery management systems to monitor high-voltage stacks, ensuring safe operation across a wide temperature range.

Telecom Backup Power

Deploy in telecom base stations to monitor backup battery banks, ensuring reliable power during outages.

Solar Power Storage

Integrate into residential solar energy storage systems to manage battery health and optimize charging cycles.

Industrial UPS Systems

Monitor battery strings in industrial uninterruptible power supplies, providing critical voltage information for system integrity.

Q: What is the function of the KA49511A-VB?
A: It is a Battery Monitor for battery stacks.
Q: How many cells can it monitor?
A: It supports 1 to 10 cells in series.
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 105°C (TA).
Q: What package is it available in?
A: It comes in a 56-VQFP package.
Base Product Number : KA49511A
1-10 Cells 56-VQFP Battery Management Battery Monitor BMS Nuvoton SPI
Q: What is the function of the KA49511A-VB?
A: It is a Battery Monitor for battery stacks.
Q: How many cells can it monitor?
A: It supports 1 to 10 cells in series.
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 105°C (TA).
Q: What package is it available in?
A: It comes in a 56-VQFP package.