MIC2564A-1YTS Micrel Inc, MIC2564A-1YTS Datasheet

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MIC2564A-1YTS

Manufacturer Part Number
MIC2564A-1YTS
Description
IC PCMCIA/CARDBUS DUAL 24-SSOP
Manufacturer
Micrel Inc
Type
PCMCIA/Cardbus Switchr
Datasheet

Specifications of MIC2564A-1YTS

Number Of Outputs
4
Rds (on)
5 Ohm
Internal Switch(s)
Yes
Current Limit
260mA
Voltage - Input
3.3V, 5V, 12V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
24-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
576-2188
MIC2564A-1YTS

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General Description
The MIC2564A is dual-slot PC Card PCMCIA (Personal Com-
puter Memory Card International Association) and CardBus
power controller. It is a sophisticated power switching matrix
that controls V
MIC2564A is used in conjunction with a serial-data output logic
controller using the standard three-wire serial control data
format.
When connected to 3.3V, 5V, and 12V system power supplies,
the MIC2564A can switch its V
5.0V, and high-impedance states and V
3.3V, 5V, 12V, and high-impedance states. The V
will supply a minimum of 1A current to the socket and the V
outputs will supply a minimum of 120mA to the socket. Voltage
rise and fall times are well controlled. The MIC2564A also
features an efficient standby (sleep) mode at 0.3mA typical
quiescent current.
12V and 5V supplies are not required for MIC2564A operation
making it possible to omit one or both supplies when they are not
needed by the system. An internal charge pump supplies the
internal bias voltages required for high-performance switching.
The MIC2564A is protected by overtemperature shutdown, and
protects itself and the system with current limiting and cross-
conduction lockout.
The MIC2564A is available in 24-pin SSOP, 24-pin TSSOP,
and an environmentally friendly (lead-free) 24-pin TSSOP.
All support documentation can be found on Micrel’s web site
at www.micrel.com.
Typical Application
UL Recognized Component
March 2004
MIC2564A
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com
CC
between logic controller and
PCMCIA cards not shown.
Address and data lines
and V
Logic Controller
or Zoom Video
Dual-Slot
System Reset
PCMCIA,
CardBus,
PP
voltages to two PC Card slots. The
CC
outputs between 0V, 3.3V,
PCMCIA Card Power Management Application
PP
outputs between 0V,
RST#
Serial
Control
Bus
(
(
OPTIONAL
OPTIONAL
V
12V
PP
System Power Supply
CC
IN
MIC2564A
Controller
)
)
Power
outputs
V
GND
3.3V
CC3
PP
IN
1
A V
B V
A V
B V
Features
• Standard 3-wire serial control data input
• Controls two card slots from one surface mount device
• High-efficiency, low-resistance switches
• 12V supply optional (not required by MIC2564A)
• Current limit and overtemperature shutdown
• Ultra-low 1mA-typical standby power consumption
• Cross-conduction lockout (no switching transients)
• Break-before-make switching
• 1A minimum V
• Independent V
• 120mA minimum V
• Lead-free 24-pin surface-mount TSSOP package
• UL recognized, file #179633
Applications
• PC Card and CardBus power control
• Zoom Video port power control
• Wireless communications
• Bar code data collection systems
• Docking stations (portable and desktop)
• Power supply management
(
(
Dual Serial PCMCIA/CardBus Power Controller
OPTIONAL
OPTIONAL
V
CC
CC
PP
PP
CC5
5V
OUT
OUT
OUT
OUT
IN
)
)
Motherboard
CC
CC
Slot A
Slot B
V
V
V
V
MIC2564A
output per slot
and V
V
V
PP1
PP2
PP1
PP2
PP
CC
CC
output current per slot
PP
voltage output (MIC2564A-1)
PCMCIA
PCMCIA
Card
Card
A
B
M0250-031104
Micrel

Related parts for MIC2564A-1YTS

MIC2564A-1YTS Summary of contents

Page 1

... The V will supply a minimum of 1A current to the socket and the V outputs will supply a minimum of 120mA to the socket. Voltage rise and fall times are well controlled. The MIC2564A also features an efficient standby (sleep) mode at 0.3mA typical quiescent current. ...

Page 2

... MIC2564A Ordering Information Part Number MIC2564A-0BSM MIC2564A-1BSM* MIC2564A-0BTS MIC2564A-1BTS* MIC2564A-0YTS MIC2564A-1YTS option: independent V Pin Configuration Pin Description Pin Number Pin Name 1, 3, 10, 12 VCC5 VCC OUT 4 A FLAG 5 SDA 6 SCL 7 RST# 8 SLA 9 B FLAG 11, 13 VCC OUT 14, 23 VCC3 IN 16, 21 ...

Page 3

... MIC2564A Absolute Maximum Ratings V IN ...................................................................... +13. ....................................................................... +6.0V CC3 V IN ....................................................................... +6.0V CC5 RST# .................................... SCL SDA SLA ....................................................... +6.0V A FLAG B FLAG OUT ....................... >120mA, Internally Limited OUT .............................. >1A, Internally Limited CC £ 25∞C ....... Internally Limited Power Dissipation ( Storage Temperature ............................... –65∞C to +150∞C Lead Temperature (5 sec.) ...................................... +260∞C ...

Page 4

... IN powers all internal logic, bias, and drive circuitry, and is required for operation. CC3 12. V and V IN are not required for operation. PP CC5 13 must be either high-impedance or greater than or approximately equal to the highest voltage V PP and 5V are connected to the MIC2564A, V M0250-031104 (7) Conditions (8, 11) V OUT = 3.3V to Hi- OUT = 5V to Hi-Z, R ...

Page 5

... SU:DAT SLA SCL The MIC2564A uses a three-wire serial interface to control V lines have thresholds compatible with both 3.3V and 5V logic families. Data (SDA) is clocked in on the rising clock edge. The clock signal may be continuous or it may halt after all data is clocked in. ...

Page 6

... MIC2564A Output Timing Diagrams Enable 3. 12V 12V V PP OUT 3.3V 0 /FLAG V Enable is shown generically time “A” 3.3V is selected, “B” programmed to 5V, “F” set to 12V, “G” again disabled Enable OUT 0 /FLAG 0 V Enable is shown generically time “A” programmed to 3.3V, “ ...

Page 7

... MIC2564A March 2004 7 Micrel M0250-031104 ...

Page 8

... MIC2564A M0250-031104 8 Micrel March 2004 ...

Page 9

... MIC2564A Functional Diagram SDA SCL RST# SLA A FLAG B FLAG March 2004 CC3 CC5 PP 3.3V 5V 12V (optional) (optional) Gate-Drive Charge Pump Control Logic Current Limit Thermal Shutdown MIC2564 GND 9 Micrel A V OUT OUT OUT OUT CC M0250-031104 ...

Page 10

... CardBus option. Supply Bypassing The MIC2564A is a switch and has no stability problems; however, supply bypass capacitors are recommended to reduce inductive transients and improve output ripple. As all internal device logic and comparison functions are powered ...

Page 11

... MIC2564A Controller Power (3.3V or 5V) 2 Generic 330k PCMCIA/CardBus Host Adapter VCC A PGOOD B PGOOD SDATA SCLK SLATCH RST# System Reset Figure 5. Generic “3-Wire” Serial Control Interface Cirrus Logic CL-PD6832/33 131 SDATA 132 SCLK 130 SLATCH 207 RST# System Reset Figure 6. Cirrus Logic CL-PD6832 and CL-PD6833 Interface March 2004 +3 ...

Page 12

... MIC2564A O Micro 2 OZ6832 OZ6833 131 CPWRDATA 132 CPWRCLK 130 CPWRLATC 207 RST# System Reset O Micro 2 OZ6836 OZ6860 116 SDATA 118 SCLK 115 SLATCH 250 RST# System Reset M0250-031104 +3.3V +5V +12V 1.0µF 1.0µF 0.1µF 0.1µF ceramic ceramic 14, 23 ...

Page 13

... MIC2564A Package Information 0.875 (0.034) REF 8.33 (0.328) 8.07 (0.318) 0.38 (0.015) 0.25 (0.010) 0.65 (0.0260) BSC 0.30 (0.012) 0.19 (0.007) 7.90 (0.311) 7.70 (0.303) 0.65 BSC (0.026) March 2004 5.40 (0.213) DIMENSIONS: 5.20 (0.205) 7.90 (0.311) 7.65 (0.301) 2.00 (0.079) 1.73 (0.068) 10° ...

Page 14

... MIC2564A MICREL, INC. 1849 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer. ...

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