TI TPS2211IDBR

The TPS2211 PC Card power-interface switch provides an integrated power-management solution for a single PC Card. All of the discrete power MOSFETs, a logic section, current limiting, and thermal protection for PC Card control are combined on a single integrated circuit, using the LinBiCMOS process. The circuit allows the distribution of 3.3-V, 5-V, and/or 12-V card power, and is compatible with many PCMCIA controllers. The current-limiting feature eliminates the need for fuses, which reduces component count and improves reliability. Current-limit reporting can help the user isolate a system fault to the PC Card. The TPS2211 features a 3.3-V low-voltage mode that allows for 3.3-V switching without the need for 5 V. Bias power can be derived from either the 3.3-V or 5-V inputs. This facilitates low-power system designs such as sleep mode and pager mode where only 3.3 V is available. End equipment for the TPS2211 includes notebook computers, desktop computers, personal digital assistants (PDAs), digital cameras, and bar-code scanners.

• 3.3-V Low-Voltage Mode
• Meets PC Card Standards
• 12-V Supply Can Be Disabled Except During 12-V Flash Programming
• Short-Circuit and Thermal Protection
• Space-Saving 16-Pin SSOP (DB)
• Compatible With 3.3-V, 5-V, and 12-V PC Cards
• Break-Before-Make Switching

• notebook computers
• desktop computers
• personal digital assistants (PDAs)
• digital cameras
• bar-code scanners