18517508. APPARATUS AND METHOD FOR MEASURING LOW LOAD CURRENT simplified abstract (SAMSUNG ELECTRONICS CO., LTD.)
APPARATUS AND METHOD FOR MEASURING LOW LOAD CURRENT
Organization Name
Inventor(s)
Min Sang Park of Yongin-si (KR)
Byoungmook Kim of Suwon-si (KR)
APPARATUS AND METHOD FOR MEASURING LOW LOAD CURRENT - A simplified explanation of the abstract
This abstract first appeared for US patent application 18517508 titled 'APPARATUS AND METHOD FOR MEASURING LOW LOAD CURRENT
Simplified Explanation
The patent application describes an apparatus for measuring load current in a switching converter, which includes circuits for generating control pulses, reference currents, clocks, and counting clock cycles during switching periods.
- Pulse generation circuit generates control pulses based on power switch driving signal.
- Reference current generation circuit generates reference current based on control pulses.
- Clock generation circuit generates clock signal based on control pulses and reference current.
- Clock counter counts clock cycles during switching period.
- Reference current circuit adjusts for leakage current in clock generation circuit during switching period.
Potential Applications
The technology can be applied in various switching converters and power supply systems where accurate measurement of load current is required.
Problems Solved
1. Accurate measurement of load current in switching converters. 2. Compensation for leakage current in clock generation circuits. 3. Improved efficiency and performance of power supply systems.
Benefits
1. Enhanced precision in load current measurement. 2. Increased reliability and stability in power supply systems. 3. Optimal utilization of power resources.
Original Abstract Submitted
An apparatus configured to measure a load current provided to a load of a switching converter includes a pulse generation circuit configured to generate a control pulse based on a power switch driving signal of the switching converter, a reference current generation circuit configured to generate a reference current based on the control pulse, a clock generation circuit configured to generate a clock signal based on the control pulse and the reference current, and a clock counter configured to count the number of cycles of the clock signal during a switching period of the switching converter. The reference current generation circuit is configured to adjust the reference current to compensate for a leakage current generated in the clock generation circuit during the switching period.
