5.Low Failure Rate MOSFET

Panasonic’s CSP MOSFET is Low Failure Rate

Resin Sealed PKG

Resin Sealed PKG

More materials

Material51

CSP

CSP

1 material(Silicon) only
Lower failure rate

Use case

Reduce system failure rate for EV cell balancing circuit

The cell balance circuit consists of multiple resistors, Zener diodes and MOSFETs. Panasonic cell balance MOSFET combines these peripheral parts to achieve reduction of failure rate by reducing components numbers and save board space.

EV・Battery unit

Battery unit

Resin Sealed PKG

Resin Sealed PKG
Failure rate
50ppm
Parts numbers
500pcs
SMT area
1673mm2

60% reduction
on failure rate

CSP

CSP
Failure rate
20ppm
Parts numbers
200pcs
SMT area
162mm2

*In case of 100 cells system.
* Failure rate of each component is 0.1ppm.

MOSFET for Automotive Cell Balancing