Abstract: Apparatus and method for providing closed loop feedback control for switch-mode DC/DC power converter with multiple outputs using digital filter feedback, in contrast to analog error feedback. In the apparatus and method, multiple outputs for a switch-mode DC/DC power converter are regulated by digital means, including the allocating or partitioning of digital control resources among each of the multiple outputs. The partitioning of control resources may be in response to operating conditions.

Abstract: Apparatus and method for providing closed loop feedback control for switch-mode DC/DC power converter with multiple outputs using digital filter feedback, in contrast to analog error feedback. In the apparatus and method, multiple outputs for a switch-mode DC/DC power converter are regulated by digital means, including the allocating or partitioning of digital control resources among each of the multiple outputs. The partitioning of control resources may be in response to operating conditions.

Abstract: A vehicle or other complex system includes at least one switching power converter which generates direct output voltage with inherent ripple. A voltage estimator or simulator estimates the instantaneous output ripple voltage(s) of the converter in the time domain. The estimator is preprogrammed with state equations of the power converter, for generating the estimates of the output ripple voltage of the converter. A comparator compares at least the ripple voltage of the simulator with the actual voltage of the converter, to generate a difference signal. The difference signal is evaluated to identify a fault condition. The fault condition is reported andor switches to a backup converter.

Abstract: A method for predicting a steady state performance of a switched circuit. The method includes: identifying a plurality of circuit components; determining a transition matrix for the first and a second state; defining a first and a second state sourcing matrixes; defining a first and a second energy input matrixes, the first energy input matrix defining energy input to the switched system during state 1 and the second energy input matrix defining energy input to the switched system during state 2; defining a first and a second state equations as a function of dwell time in the first state and as a function of the component matrixes, the state response matrixes and the energy input matrixes for each of the first and the second states; and predicting the steady state performance of the switched circuit as a function of the first state and the second state equations.

Abstract: In one embodiment, the disclosure relates to a method for predicting a steady state performance of a switched circuit having a first state and a second state, the method includes: identifying a plurality of circuit components, each circuit component having at least one component parameter; determining a transition matrix for the first state [A1] and a transition matrix [A2] for the second state; defining a first state sourcing matrix [B1] and a second state sourcing matrix [B2], the first state transition matrix defining the switched circuit's response to input condition at a start of the first state and the second state transition matrix [A2] defining the switched circuit's response to input condition at a start of the second state; defining a first energy input matrix [E1] and a second energy input matrix [E2], the first energy input matrix [E1] defining energy input to the switched system during state 1 and the second energy input matrix [E2] the defining energy input to the switched system during state 2;