MIC2563A MICREL [Micrel Semiconductor], MIC2563A Datasheet

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MIC2563A

Manufacturer Part Number
MIC2563A
Description
Dual Slot PCMCIA/CardBus Power Controller Preliminary Information
Manufacturer
MICREL [Micrel Semiconductor]
Datasheet

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Ordering Information
Note: see the logic table inside for a description of the differences
General Description
The MIC2563A Dual Slot PCMCIA (Personal Computer
Memory Card International Association) and CardBus Power
Controller handles all PC Card slot power supply pins, both
V
voltages (0V, 3.3V and 5.0V) and the V
3.3V, 5V, or 12.0V) required by PC Cards. The MIC2563A
switches voltages from the system power supply to V
V
output current ranges up to 1A for V
The MIC2563A provides power management capability con-
trolled by the PC Card logic controller. Voltage rise and fall
times are well controlled. Medium current V
current V
is required for 3.3V or 5V output.
The MIC2563A is designed for efficient operation. In standby
(sleep) mode the device draws very little quiescent current,
typically 0.3 A. The device and PCMCIA port is protected by
current limiting and overtemperature shutdown. Full cross-
conduction lockout protects the system power supplies.
The MIC2563A is an improved version of the MIC2563,
offering lower ON-resistances and a V
the OFF mode. It is available in a 28-pin SSOP.
MIC2563A
1997
Part Number
MIC2563A-0BSM
MIC2563A-1BSM
CC
PP
. Output voltage is selected by two digital inputs each and
and V
CC
between the logic options
PP
output switches are self-biasing: no +12V supply
. The MIC2563A switches between the three V
Temperature Range
–40 C to +85 C
–40 C to +85 C
CC
PP
CC
and 250mA for V
voltages (OFF, 0V,
pulldown clamp in
28-pin SSOP
28-pin SSOP
Package
PP
and high
CC
and
PP
CC
.
2-47
Typical Application
Applications
Features
Dual Slot PC Card Power Supply Pin Voltage Switch
CardBus Slot Power Supply Control
Data Collection Systems
Machine Control Data Input Systems
Wireless Communications
Bar Code Data Collection Systems
Instrumentation Configuration/Datalogging
Docking Stations (portable and desktop)
Power Supply Management
Power Analog Switching
Single Package Controls Two PC Card Slots
High Efficiency, Low Resistance Switches Require No
12V Bias Supply
No External Components Required
Output Current Limit and Overtemperature Shutdown
Ultra Low Power Consumption
Complete Dual Slot PC Card/CardBus V
Switch Matrix in a Single Package
Logic Compatible with Industry Standard PC Card Logic
Controllers
No Voltage Shoot-Through or Switching Transients
Break-Before-Make Switching
Digital Selection of V
Over 1A V
Over 250mA V
28-Pin SSOP Package
Dual Slot PCMCIA/CardBus Power Controller
Controller
Card Slot
System
Supply
PCMCIA
Power
3.3V
(opt)
12V
(opt)
5V
CC
Preliminary Information
Output Current for Each Section
PP
MIC2563A
Output Current for Each Section
CC
and V
EN0
EN1
V CC5_EN
V CC3_EN
EN0
EN1
V CC5_EN
V CC3_EN
V PP IN
(opt)
MIC2563
PP
V CC3 IN
Voltages
V CC5 IN
CC
V PP1
V PP2
V CC
V PP1
V PP2
V CC
and V
Card Slot
Card Slot
Card Slot
PCMCIA
PCMCIA
PCMCIA
Micrel
A
B
PP
2

Related parts for MIC2563A

MIC2563A Summary of contents

Page 1

... Controller handles all PC Card slot power supply pins, both V and V . The MIC2563A switches between the three voltages (0V, 3.3V and 5.0V) and the V 3.3V, 5V, or 12.0V) required by PC Cards. The MIC2563A switches voltages from the system power supply Output voltage is selected by two digital inputs each and PP output current ranges for V CC The MIC2563A provides power management capability con- trolled by the PC Card logic controller ...

Page 2

... Function Pin Number Slot A VPP_VCC 7 VPP_PGM 8 Some pin names for the MIC2563A-1 are different from the MIC2563A-0. This table shows the differences. All other pin names are identical to the MIC2563A-0 as shown in the Configuration , above. (Notes 1 and 2) Supply Voltage ................................................................ 7.5V CC3 V IN ................................................................ 7.5V CC5 Logic Input Voltages ..................................... – ...

Page 3

... MIC2563A Electrical Characteristics: otherwise specified.) Symbol Parameter DIGITAL INPUTS V Logic 1 Input Voltage IH V Logic 0 Input Voltage IL I Input Current IN V OUTPUT PP I High Impedance Output PP OUT Hi-Z Leakage Current I Short Circuit Current Limit PPSC R Switch Resistance O R Switch Resistance, O Select V = 12V PP OUT ...

Page 4

... MIC2563A Electrical Characteristics (continued) Symbol Parameter V OUTPUT CC I Short Circuit Current Limit CCSC R Switch Resistance O V SWITCHING TIME (See Figure Output Turn ON Delay Time 1 t (Note Output Rise Time 3 (Note Output Turn-Off Delay 7 (Notes Output Fall Time ...

Page 5

... Information for further details. NOTE not required for operation NOTE 8: V must be either high impedance or greater than or approximately equal to the highest voltage example, if both 3.3V and 5V are connected to the MIC2563A 3. 12V 3.3V Enable ...

Page 6

... MIC2563A Enable 3. 3. Output 0 Figure 2. MIC2563A V Timing Diagram specific control logic input. At time 5V. And disabled MIC2563A-0 Control Logic Table V V CC5_EN CC3_EN ...

Page 7

... MIC2563A MIC2563A-1 Control Logic (compatible with Cirrus Logic CL-PD6710 & PD672x-series Controllers CC5_EN CC3_EN MIC2563A-2 Logic (Compatible with Databook Controllers) Pin CCSEL0(1) PPSEL0(1) ...

Page 8

... IN, and V IN During Flash memory programming with standard (+12V) CC5 PP Flash memories, the PC Card slot logic controller outputs the EN0, EN1 control pins of the MIC2563A, which connects V resistance of the MIC2563A switch allows using a small and V pins may bypass capacitor on the V ...

Page 9

... Figure 3. PC Card slot power control application with dual V (5.0V or 3.3V) and separate V CC System Power Supply PCMCIA Card Slot Controller Figure 5. PC Card slot power control application without a 3.3V V together. The MIC2563A is powered from the V is enabled. 1997 5V (opt) System 3.3V Power Supply 12V (opt) ...

Page 10

... D 74x574 SER_CLK 11 SER_LATCH Figure 6. Interfacing the MIC2563A with a serial-output data controller. Pinouts shown are for the MIC2563A-1 and a three-wire serial controller. Serial Control Figure 6 shows conversion from a three-wire serial interface, such as used by the Cirrus Logic CL-PD6730, to the standard eight-line parallel interface used by the MIC2563A-1. This ...

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