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TPS2212IDBTIN/a15avai0.3A Single-Slot PC Card Power Switch w/ Parallel Interface
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TPS2212IDB-TPS2212IDBR
0.3A Single-Slot PC Card Power Switch w/ Parallel Interface
3.3-V Low-Voltage Mode 12-V Supply Can Be Disabled ExceptDuring 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 Typical Applications Include: PCMCIA PC
Card Sockets in PDAs, PBXs, Bar Code
Scanners, Compact Flash and Smart Cards


description

The TPS2212 PC Card power-interface switch provides an integrated power-management solution for a single
low power 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 Texas Instruments 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 TPS2212 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 TPS2212 includes notebook computers, desktop computers, personal digital assistants
(PDAs), digital cameras, and bar-code scanners. This device is well suited for those applications that need to
limit the power provided to the PC card because of power-supply constraints. In many applications, such as
palm computers, the system cannot allocate more than 200 mA of current to a PC card slot. For these lower-
power applications, the TPS2212 provides the same advanced level of protection that the TPS2211 provides for
higher-power applications.
AVAILABLE OPTIONS

The DB package is available taped and reeled.
Add an R suffix to the device type (e.g.,
TPS2212IDBR) for taped and reeled.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PC Card is a trademark of PCMCIA (Personal Computer Memory Card International Association).
LinBiCMOS is a trademark of Texas Instruments.
3.3V
GND
VCC
VCC
VCC
VPP
VPPI
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