Voltage measurement circuit and method, circuit board, and control module
US12360168B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 11, 2023 |
| Grant date | Jul 15, 2025 |
| Priority date | — |
| Expiry date | Nov 28, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01M10/48
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A voltage measurement circuit for measuring a voltage output by a battery, the battery comprising n battery cells connected in series, wherein n is an integer greater than 1; and the circuit comprising: n low-voltage measurement modules provided in one-to-one correspondence with the n battery cells, a first switching circuit, a second switching circuit, a reference voltage source, and a control module, wherein the reference voltage source may be used for outputting a preset reference voltage; and the two ends of each of the low-voltage measurement modules may be connected to the two ends of a corresponding one of the battery cells via the first switching circuit, and the two ends of each of the low-voltage measurement modules may be further connected to the two ends of the reference voltage source via the second switching circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.