Microsemi Corporation

Microchip Technology Inc.

Naveen Cannankurichi

Subhasis Sasmal

Sunny Joel

Jebas Paul Daniel T

Bernard Drexler

Mathieu Sureau

Stephane Le Goff

Paul Walker

A system and method for monitoring analog front-end (AFE) circuitry of an inductive position sensor. A redundant AFE channel is provided and alternatively utilized with a sine AFE channel or a cosine AFE channel of the AFE circuitry to obtain a voltage difference that may result in a detection angle error at the electronic control unit (ECU) of the inductive position sensor.

System and method for monitoring analog front-end (AFE) circuitry of an inductive position sensor

Various electronics systems may benefit from appropriate limitation of short-to-ground current. For example, sensor systems may benefit from a voltage sensing mechanism to minimize short-to-ground current for low drop-out and bypass mode regulators. A system can include a first power transistor configured to operate in a low drop-out mode. The system can also include a short to ground sensor configured to control current to the first power transistor. The short to ground sensor can be configured to limit a maximum short-circuit current below a predefined load current capability.

Voltage sensing mechanism to minimize short-to-ground current for low drop-out and bypass mode regulators

A hysteretic power converter constituted of: a switched mode power supply comprising an inductor, an electronically controlled switch and an output capacitor, the switch arranged to alternately open and close a loop with the inductor and a power source; a hysteretic comparator, a first input coupled to a feedback connection and arranged to receive from the feedback connection a feedback signal providing a first representation of the voltage across the output capacitor, the electronically controlled switch opened and closed responsive to an output of the hysteretic comparator; a reference voltage source arranged to generate a reference voltage, the generated reference voltage coupled to a second input of the hysteretic comparator; and a voltage coupler, the voltage coupler arranged to couple a second representation of the voltage across the output capacitor to the second input of the hysteretic comparator, such that the second representation is added to the generated reference voltage.

Converter with hysteretic control

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Hyderabad Telangana, India

Naveen Cannankurichi