Ams electric scooter fuel gauge reference design
ams, designer and manufacturer of analog ICs for consumer, communications, industry, medical and motor vehicle applications, has developed a reference design to show how a simple current and voltage measurement circuit can produce state of charge readings for electric scooter batteries.
The design uses the AS8510 sensor interface, a two-channel battery sensor interface, together with an eight-bit microcontroller, an LDO and an LED driver (driving an LED bar graph display).
Electric scooter manufacturers could replace today’s voltmeter displays with a fuel gauge, to make the vehicle more user friendly for the rider.
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