CIRCUIT FOR MEASURING AND CONTROLLING DIFFERENTIAL VOLTAGES

摘要

The invention concerns circuits for measuring and controlling differential voltages in series. To control individually the differential voltages of voltage sources in series, there is provided an integrated circuit for a set of N sources (Bi) in series. Said circuit comprises N cells for measuring and controlling the discharge (CMi) which are produced each in a separate housing, isolated from the substrate and other housings. The cells are connected to the circuits formed in the substrate by level translation circuits (BHi, HBi) having one part inside the housing and one part outside the housing. Said circuits use transistors holding voltages of several tens of volts. The integrated circuits may be cascaded on a SPI bus if a group of k.N sources with k>1 is to be controlled.