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com U2481B/ U2482B Automotive Lamp Outage Monitor Description The U2481B and the U2482B multicomparator circuits are designed to monitor automotive illumination by sensing the voltage drop across shunt resistors.
Provided with extremely low comparator thresholds, these ICs can be used together as a chip set to build an entire lamp monitor system.
Single operation of both circuits is also possible.
As a special feature for brake lamp monitoring, the U2481B contains a latch stage connected to one of its triple comparators.
With – 4 single comparators – 1 double comparator and – 2 triple comparators each of the integrated circuits monitors up to 12 la...

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