Nuvoton - KA84917UA: Battery monitoring IC for automotive applications

KA84917UA is capable of measuring the charging and discharging current of the battery using a voltage drop sensor through a shunt resistor with a product measurement accuracy of less than 0.3%. As a result, the product improves the reliability and performance of the battery management system, ensuring accurate measurements of the battery’s SOC state of charge and SOH state.  

Additionally, it supports isolated two-way Daisy Chain communication and synchronous communication with other battery monitoring ICs at speeds up to 2.5 Mbps. The IC meets ISO26262 ASIL-D standards, enhancing functional safety, ensuring the system operates stably and safely, in accordance with standards in the automotive industry. Can operate in the temperature range from -40°C to +125°C, suitable for harsh environmental conditions, especially in automotive applications. 

Specifications:  

– Operating voltage: 4.5V to 5.5V 

– Current measurement accuracy: ±0.3% 

– Operating temperature: -40°C to +125°C 

– Communication speed: 2.5 Mbps 

– Communication support: SPI and I2C 

– Number of GPIOs: 12 

– Meets ISO26262 ASIL-D standard 

– Foot type: 48-QFP 

Advantages:  

– High accuracy 

– Flexible communication 

– Wide operating temperature range 

– Increase battery system management performance 

Applications: 

– BMS battery management system for electric cars 

– Monitor batteries in vehicles 

– Energy storage system 

Learn more: KA84917UA

Contact EPI Vietnam Technologies – the authorized distributor of Nuvoton in Vietnam for better support on products and prices.