TECHNICAL NOTE
Power Management Switch IC Series for PCs and Digital Consumer Product
Power Switch for
ExpressCardTM
BD4153FV/EFV
●Description
BD4153FV/EFV is a po wer managem ent s witch IC for the next gen eration PC card (Expr essCardTM) that PC MCIA
recommends. Conforms to PCMCIA
’s ExpressCard TM S tandard, Express CardTM Complia nce Ch ecklist, and
ExpressCardTM Impleme ntation Guid eline, a nd o btains the world fi rst Co mpliance ID “E C100001” from PCMCIA. Offers
various functio ns such as adj ustable sof t-starter, overcurrent detector (OC function), card detector, and s ystem conditi on
detector, which are ideally suited for laptop and desktop computers.
●Features
1) Incorporates three low on-resistance FETs for ExpressCard.TM
2) Incorporates an FET for output discharge.
3) Incorporates an enabler.
4) Incorporates an undervoltage lockout (UVLO)
5) Employs SSOP-B24 package.
6) Employs HTSSOP-B24 package.
7) Incorporates a thermal shutdown protector (TSD).
8) Incorporates a soft-starter.
9) Incorporates an overcurrent protector (OCP).
10) Incorporates an overcurrent flag output (OC).
11) Conforms to ExpressCardTM Standard.
12) Conforms to ExpressCardTM Compliance Checklist.
13) Conforms to ExpressCardTM Implementation Guideline.
●Use
Laptop and desktop computers, and other digital devices equipped with ExpressCard.
●Lineup
Parameter BD41
Package SSOPB24
53FV
BD4153EFV
HTSSOPB24
“ExpressCardTM” is a trademark registered by PCMCIA(Personal Computer Memory Card International Association).
Aug. 2008