| 摘要 |
To realize reduction in the size and cost of a protection circuit module for a secondary battery. A protection circuit module 1 for a secondary battery has at least a wiring board 2 having multiple battery-side external terminals 4 a and multiple load-side external terminals 20 a, and semiconductor components 12 and 14 mounted on the wiring board 2 . On the wiring board 2 , the battery-side external terminals 4 a are disposed on a surface 2 a, and the load-side external terminals 20 a are disposed on a surface 2 b on the opposite side. The semiconductor components 12 and 14 have multiple external connection terminals 12 a and 14 a arranged on a single plane surface, and are mounted face-down in a bare-chip state on the surface 2 a of the wiring board 2.
|
