Ams Ag

Ams International Ag

Krishna Kanth Avalur

Ravi Kumar Adusumalli

Rohit Ranganathan

Sudhakar Singamala

Chandra Nyshadham

Sanjeev Praphulla Chandra Nyshadham

Parvathy Sasikala Jayachandran Pillai

Sridhar Setty

Andrzej Gajdardziew

Prasad Ponnada

Veeresh Babu Vulligaddala

Vasanth Swaroop Yadagiri

A measurement circuitry (MC) for evaluating a resistance of a resistive gas sensor (GS) comprises a first current path (P), wherein a first logarithmic compression circuit (LC) is arranged in the first current path (P). A reference resistor (Rreference) and a second logarithmic compression circuit (LC) is arranged in a second current path (P) of the measurement circuitry (MC). A voltage generator (VG) provides a fixed voltage excitation for the resistive gas sensor (GS) and the reference resistor (Rreference). A first current (I) received from the resistive gas sensor (GS) flows from the gas sensor (GS) via the first current path (P) into the first logarithmic compression circuit (LC). An evaluation circuit (EC) determines the resistance (Rs) of the resistive gas sensor (GS) in dependence on a first and second output signal (Ve, Ve) of the first and the second logarithmic compression circuit (LC, LC).

Measurement circuitry for evaluating a resistance of a resistive gas sensor

An analog-to-digital converter () comprises a first and a second sampling capacitor (), a first integrator (), a first and a second input switch () coupling a first input terminal () and a common mode terminal () to a first electrode of the first sampling capacitor (), a third and a fourth input switch () coupling a second input terminal () and the common mode terminal () to a first electrode of the second sampling capacitor (), a fifth and a sixth input switch () coupling a second electrode of the first sampling capacitor () to an amplifier common mode terminal () and the first integrator input (), and a seventh and an eighth input switch () coupling a second electrode of the second sampling capacitor () to the amplifier common mode terminal () and the second integrator input ().

Analog-to-digital converter, measurement arrangement and method for analog-to-digital conversion

In one embodiment a power conversion arrangement comprises a switching converter (DC) with an input which is supplied with an input voltage (Vin) and a first output (Out) to provide a first output voltage (Vout) as a function of the input voltage (Vin), a linear regulator (LDO) with an input coupled to the first output (Out) of the switching converter (DC), the linear regulator (LDO) having a second output (Out) to provide a second output voltage (Vout) as a function of the first output voltage (Vout) to a connectable electrical load (CS), a component for sensing (MSI) a load current (Iload) at the second output (Out) of the linear regulator (LDO), the component being connected to the second output (Out) of the linear regulator (LDO), and a unit for influencing (MVA) the first output voltage (Vout) as a function of the load current (Iload), the unit (MVA) being connected to the first output (Out) of the switching converter (DC) and to the component for sensing (MSI) the load current (Iload). Furthermore, a power management circuit and a method for power conversion are described.

Power conversion including sensing a load current and adapting output voltage based on the load current

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Hyderabad Telangana, India

Krishna Kanth Avalur