20240036076. CURRENT MEASUREMENT AND CONTROL SYSTEM simplified abstract (Texas Instruments Incorporated)
Contents
CURRENT MEASUREMENT AND CONTROL SYSTEM
Organization Name
Texas Instruments Incorporated
Inventor(s)
Vadim Valerievich Ivanov of Tucson AZ (US)
Srinivas Pulijala of Tucson AZ (US)
Piyush Kaslikar of Tucson AZ (US)
CURRENT MEASUREMENT AND CONTROL SYSTEM - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240036076 titled 'CURRENT MEASUREMENT AND CONTROL SYSTEM
Simplified Explanation
The abstract of the patent application describes a current measurement and control circuit that includes various components such as resistors, transconductance amplifiers, transistors, an ADC (Analog-to-Digital Converter), an IDAC (Current-to-Digital Converter), and switches.
- The circuit includes a shunt resistor connected between the supply and output nodes, a first resistor connected to the supply node, and a second resistor connected to ground.
- A transconductance amplifier is used, with one input connected to the first resistor to create a compensation node, and another input connected to the output node.
- A first transistor is connected between the compensation node and the second resistor to create a measurement node.
- A second transistor is connected between ground and the output node.
- An ADC is used to convert the analog input from the measurement node into a digital signal.
- An IDAC is used to provide an analog output to the compensation node.
- Switches are used to switch between measurement and compensation modes.
Potential applications of this technology:
- Current measurement and control in various electronic devices and systems.
- Power management and monitoring in electrical grids and renewable energy systems.
- Current sensing in motor control systems and industrial automation.
- Battery management and monitoring in electric vehicles and portable devices.
Problems solved by this technology:
- Accurate measurement and control of current in various applications.
- Compensation for errors and variations in the measurement circuit.
- Efficient and reliable current sensing in complex systems.
Benefits of this technology:
- Precise and reliable current measurement and control.
- Improved accuracy and stability in current sensing.
- Enhanced efficiency and performance in power management systems.
- Simplified circuit design and integration.
- Potential for cost savings in various industries.
Original Abstract Submitted
a current measurement and control circuit may comprise a shunt resistor coupled between supply and output nodes; a first resistor coupled to the supply node; a second resistor coupled to ground; and a transconductance amplifier having an input coupled to the first resistor to define a compensation node and another input coupled to the output node. the circuit may also include a first transistor having a first current terminal coupled to the compensation node and a second current terminal coupled to the second resistor to define a measurement node; and a second transistor having a first current terminal coupled to ground and a second current terminal coupled to the output node. the circuit may also include an adc having an analog input coupled to the measurement node; an idac having an analog output coupled to the compensation node; and switches to set the circuit in a measurement or a compensation mode.
