Advanced Linear Devices is aiming at series-connected supercapacitors with precision dual-channel automatic voltage balancers and over-voltage protectors. Called the SABMBOVP2xx family of products, they are small PCBs based around the firm’s ALD9100xx ICs, with added current-boosting output fets. ALD9100xx ICs (circuit below) include two voltage-dependant current sinks that conduct heavily above a certain voltage – acting ...

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