Patent ID: 7781089
Filing Date: 2010-08-24
Classification: H01M,H05K,Y02E

Abstract:
1. A protection circuit module for a secondary battery, said protection circuit module comprising: a wiring board having a plurality of battery-side external terminals and a plurality of load-side external terminals disposed on first and second opposite surfaces, respectively, of the wiring board; one or a plurality of semiconductor components having a plurality of external connection terminals arranged on a single plane surface, the semiconductor components being mounted face-down in a bare-chip state on the first surface of the wiring board; and a sealing resin provided on the first surface of the wiring board to cover the semiconductor components without covering the battery-side external terminals, wherein an insulating material layer having openings corresponding to at least the external connection terminals of the semiconductor components and the battery-side external terminals is formed on one surface of the wiring board, and the semiconductor components are mounted on the wiring board through solder formed in the openings.