BD4157MUV-E2 ROHM

Power Management Switch ICs for PCs and Digital Consumer Products Power Switch IC TM for ExpressCard No.11029EAT26 BD4157MUV Description TM BD4157MUV is a power management switch IC for the next generation PC card (ExpressCard ) developed by the PCMCIA. TM TM TM It conforms to the PCMCIA ExpressCard Standard, ExpressCard Compliance Checklist., and ExpressCard Implementation Guideline, and obtains Compliance ID EC100395 from PCMCIA. The power switch offers a number of functions - card detector, and system status detector - which are ideally suited for laptop and desktop computers. Features TM 1) Incorporates three low on-resistance FETs for ExpressCard . 2) Incorporates an FET for output discharge. 3) Incorporates an enabler. 4) Incorporates under voltage lockout (UVLO) protection. 5) Employs an VQFN020V4040 package. 6) Built-in thermal shutdown protector (TSD). 7) Built-in thermal shutdown protector (TSD). 8) Incorporates an overcurrent protection (OCP). 9) Built-in enable signal for PLL TM 10) Built-in Pull up resistance for detecting ExpressCard TM 11) Conforms to the ExpressCard Standard. TM 12) Conforms to the ExpressCard Compliance Checklist. TM 13) Conforms to the ExpressCard Implementation Guideline. Applications TM Laptop and desktop computers, and other ExpressCard equipped digital devices. Product Lineup Parameter BD4157MUV Package VQFN020V4040 TM ExpressCard is a registered trademark registered of the PCMCIA (Personal Computer Memory Card International Association). www.rohm.com 2011.06 - Rev.A 1/24 2011 ROHM Co., Ltd. All rights reserved. Technical Note BD4157MUV Absolute Maximum Ratings Parameter Symbol Ratings Unit 1 Input Voltage V3AUX IN, V3 IN, V15 IN -0.34.5 * V EN,CPPE ,CPUSB ,SYSR, 1 Logic Input Voltage 1 -0.3V3AUX IN+0.3 * V PERST IN ,RCLKEN 1 Logic Output Voltage 1 RCLKEN -0.3V3AUX IN+0.3 * V Logic Output Voltage 2 PERST -0.3V3AUX IN+0.3 V 1 Output Voltage V3AUX,V3, V15 -0.34.5 * V Output Current 1 IOV3AUX 1.0 A Output Current 2 IOV3 2.0 A Output Current 3 IOV15 2.0 A 2 Power Dissipation 1 Pd1 0.34 * mW 3 Power Dissipation 2 Pd2 0.70 * mW Operating Temperature Range Topr -40+100 Storage Temperature Range Tstg -55+150 Maximum Junction Temperature Tjmax +150 *1 Not to exceed Pd. *2 Reduced by 2.7mW for each increase in Ta of 1 over 25 *3 Reduced by 5.6mW for each increase in Ta of 1 over 25(When mounted on a board 74.2mm74.2mm1.6mm Glass-epoxy PCB. Operating Conditions (Ta=25) Ratings Parameter Symbol Unit MIN MAX Input Voltage 1 V3AUX IN 3.0 3.6 V Input Voltage 2 V3 IN 3.0 3.6 V Input Voltage 3 V15 IN 1.35 1.65 V Logic Input Voltage 1 EN -0.3 3.6 V CPPE ,CPUSB ,SYSR, Logic Input Voltage 2 0 V3AUX IN V PERST IN ,RCLKEN Logic Output Voltage 1 RCLKEN 0 V3AUX IN V Logic Output Voltage 2 PERST 0 V3AUX IN V Output Current 1 IOV3AUX 0 275 mA Output Current 2 IOV3 0 1.3 A Output Current 3 IOV15 0 650 mA This product is not designed to offer protection against radioactive rays. www.rohm.com 2011.06 - Rev.A 2/24 2011 ROHM Co., Ltd. All rights reserved.