English
Language : 

BD4156MUV_09 Datasheet, PDF (1/24 Pages) Rohm – Power Switch for ExpressCardTM
Power Management Switch IC Series for PCs and Digital Consumer Product
Power Switch for
ExpressCardTM
BD4156MUV
No. 09029EAT02
●Description
BD4156MUV is a power management switch IC for the next generation PC card (ExpressCardTM) developed by the PCMCIA.
It conforms to the PCMCIA ExpressCardTM Standard, ExpressCardTM Compliance Checklist. The power switch offers a
number of functions - card detector, and system status detector - which are ideally suited for laptop and desktop computers.
●Features
1) Incorporates three low on-resistance FETs for ExpressCardTM.
2) Incorporates an FET for output discharge.
3) Incorporates an enabler.
4) Incorporates under voltage lockout (UVLO) protection.
5) Employs an SSOP-B20 package.
6) Built-in thermal shutdown protector (TSD).
7) Built-in soft start function.
8) Incorporates an overcurrent protection (OCP).
9) Built-in enable signal for PLL
10) Built-in Pull up resistance for detecting ExpressCardTM
11) Conforms to the ExpressCardTM Standard.
12) Conforms to the ExpressCardTM Compliance Checklist.
13) Conforms to the ExpressCardTM Implementation Guideline.
●Applications
Laptop and desktop computers, and other ExpressCard TM equipped digital devices.
●Product Lineup
Parameter
Package
BD4156MUV
VQFN020V4040
“ExpressCardTM” is a registered trademark registered of the PCMCIA (Personal Computer Memory Card International
Association).
www.rohm.com
○c 2009 ROHM Co., Ltd. All rights reserved.
1/23
2009.05 - Rev.A