Patent ID: 9562940
Date: 2017-02-07
CPC Classifications: G01R,H02H,H02M,H02P

Claim:
1. A method for monitoring a half bridge branch ( 38 ) in a half bridge ( 32 ), said half bridge branch being connected in series with another half bridge branch ( 36 ) in the half bridge ( 32 ) via a center tap ( 30 ), a PWM unit ( 22 ) which outputs a first control signal ( 44 ) to the further half bridge branch ( 36 ) of the half bridge ( 32 ), and a monitoring device ( 56 ) including a first counter ( 58 ), a second counter ( 64 ), and a timer ( 60 ), the method comprising: applying an electric supply potential ( counting, by the first counter ( counting, by the second counter ( monitoring the half bridge branch (