MIC2562A-1YTS Microchip

MIC2562A Micrel MIC2562A PCMCIA/CardBus Socket Power Controller General Description Features The MIC2562A PCMCIA (Personal Computer Memory Card High-efficiency, low-resistance switches require no International Association) and CardBus power controller 12V bias supply handles all PC Card slot power supply pins, both V and No external components required CC V . The MIC2562A switches between the three V volt- Output current limit and overtemperature shutdown PP CC ages (0V, 3.3V and 5.0V) and the V voltages (OFF, 0V, Open-drain flag for error condition indication PP 3.3V, 5V or 12.0V) required by PC Cards. The MIC2562A Ultra-low power consumption switches voltages from the system power supply to V and Complete PC Card/CardBus V and V switch matrix CC CC PP V . Output voltage is selected by two digital inputs each and in a single package PP output current ranges up to 1A for V and 250mA for V . Logic compatible with industry standard PC Card logic CC PP controllers The MIC2562A provides power management capability con- No voltage shoot-through or switching transients trolled by the PC Card logic controller. Voltage rise and fall Break-before-make switching times are well controlled. Medium current V and high PP Digital selection of V and V voltages current V output switches are self-biasing: no +12V sup- CC PP CC Over 1A V output current ply is required for 3.3V or 5V output. CC Over 200mA V output current PP The MIC2562A is designed for efficient operation. In standby Pb-free SOIC packages (sleep) mode, the device draws very little quiescent current, UL recognized, file 179633 typically 0.3 A. The device and PCMCIA port is protected by Applications current limiting and overtemperature shutdown. Full cross- conduction lockout protects the system power supply during PC Card power supply pin voltage switch switching operations. CardBus slot power supply control The MIC2562A is an improved version of the MIC2562, Data collection systems offering lower on-resistance and a V pull-down clamp in Machine control data input systems CC the OFF mode. It is available in a 14-pin (0.150 ) SOIC, and Wireless communications the -1 logic option is also available in 16-pin TSSOP Bar code data collection systems Instrumentation configuration/datalogging All support documentation can be found on Micrels web Docking stations (portable and desktop) site at www.micrel.com. Power supply management Analog power switching Typical Application 5V System Power 3.3V Supply 12V (opt) V IN V IN V IN PP CC3 CC5 V (opt) PP1 EN0 V PCMCIA PP2 EN1 Card Slot MIC2562 V CC V PCMCIA CC5 EN Card Slot Controller V CC3 EN UL Recognized Component Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 MIC2562A Micrel (1) Ordering Information Part Number Temperature Range Package Pb-Free MIC2562A-0BM 40C to +85C 14-pin Narrow SOIC MIC2562A-1BM 40C to +85C 14-pin Narrow SOIC MIC2562A-0YM 40C to +85C 14-pin Narrow SOIC X MIC2562A-1YM 40C to +85C 14-pin Narrow SOIC X MIC2562A-1BTS 40C to +85C 16-pin TSSOP MIC2562A-1YTS 40C to +85C 16-pin TSSOP X Note. 1. See MIC2562A-0 Control Logic table for a description of the differences between the logic options. Pin Configuration VCC5 EN 1 16 GND VCC5 EN 1 14 GND VCC3 EN 2 15 VCC5 IN VCC3 EN 2 13 VCC5 IN * 3 14 VCC OUT * 3 12 VCC OUT * 4 13 VCC5 IN * 4 11 VCC5 IN /FLAG 5 12 VCC OUT /FLAG 5 10 VCC OUT VPP IN 6 11 VCC3 IN VPP IN 6 9 VCC3 IN NC 7 10 NC VPP OUT 7 8 VCC OUT VPP OUT 8 9 VCC OUT * See table below * See table below 14-Pin SOIC (M) 16-Pin TSSOP (TS) Both V IN pins must be connected. Both V IN pins must be connected. CC5 CC5 All three V OUT pins must be connected. All three V OUT pins must be connected. CC CC MIC2562A Pin Assignments MIC2562A Pin Assignments Pin -0 -1 Pin -0 -1 V V 3 EN0 PP VCC 3 EN0 PP VCC V V 4 EN1 PP PGM 4 EN1 PP PGM June 2004 2 M9999-062204