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Power Products
NB401
The NB401 is a battery management chip designed for pack-side applications, featuring integrated high-precision battery capacity calculation. It supports the management of 2, 3, or 4 series lithium-ion or lithium polymer batteries, and offers monitoring, protection, and metering functions. The chip integrates two 16-bit ADCs for voltage (or temperature) and current measurement, along with hardware protection and wake-up functions. It supports SMBus communication, smart charging management, and various encryption authentications, with ultra-low power consumption, meeting the needs of most battery protection or metering applications.
