Battery pack protective circuit with external terminals on opposite side of part mounting surface of circuit board
US6184658A · kind A · utility
7Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 1999 |
| Grant date | Feb 6, 2001 |
| Priority date | — |
| Expiry date | Mar 24, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
What is proposed is a battery pack incorporating a lithium ion battery. The battery pack has: a circuit board (10A) of the type that parts are mounted on one surface thereof, on the part-mounting surface (11A) of which a plurality of circuit parts (20) forming a protective circuit (60) for preventing the over-charge and over-discharge of the battery; and resin (30A) which seals the whole part-mounting surface of the circuit board after the circuit parts have been mounted thereon. Transistors (Q1 and Q2) and ICs (IC1 and IC2) employed as the circuit parts are bear chips.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.