TPS2220A

www.ti.com TPS2220A, TPS2223A TPS2224A, TPS2226A SLVS428E – MAY 2002 – REVISED MSRCH 2008 CARDBUS POWER-INTERFACE SWITCHES FOR SERIAL PCMCIA CONTROLLERS FEATURES 1 234 Provides S-CARD and M-CARD Power Management for CableCARD™ Applications Single-Slot Switch: TPS2220A Dual-Slot Switches: TPS2223A, TPS2224A, TPS2226A Fast Current Limit Response Time Fully Integrated VCC and VPP Switching for 3.3 V, 5 V, and 12 V (no 12 V on TPS2223A) Meets Current PC Card™ Standards Vpp Output Selection Independent of VCC 12-V and 5-V Supplies Can Be Disabled TTL-Logic Compatible Inputs Short-Circuit and Thermal Protection 24-Pin HTSSOP, 24- or 30-Pin SSOP 140-µA (Typical) Quiescent Current from 3.3-V Input Break-Before-Make Switching Power-On Reset –40°C to 85°C Operating Ambient Temperature Range APPLICATIONS Notebook and Desktop Computers Bar Code Scanners Digital Cameras Set-Top Boxes PDAs TPS2223A, TPS2224A DB OR PWP PACKAGE (TOP VIEW) 5V 5V DATA CLOCK LATCH NC 12V† AVPP AVCC AVCC GND RESET 1 2 3 4 5 6 7 8 9 10 11 12 24 5V 23 NC 22 NC 21 SHDN 20 12V† 19 BVPP 18 BVCC 17 BVCC 16 NC 15 OC 14 3.3V 13 3.3V NC − No internal connection † Pin 7 and 20 are NC for TPS2223A. DESCRIPTION The TPS2223A, TPS2224A, and TPS2226A CardBus™ power-interface switches provide an integrated power-management solution for two PC Card sockets. The TPS2220A is a single-slot option for this family of devices. These devices allow the controlled distribution of 3.3 V, 5 V, ...