CARDBUS POWER-INTERFACE SWITCHES
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TPS2220A, TPS2223A TPS2224A, TPS2226A
SLVS428E – MAY 2002 – REVISED MSRCH 2008
CARDBUS POWER-INTERFACE SWITC...
Description
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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, ...
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