MIC2591B-2BTQ TR Micrel Inc, MIC2591B-2BTQ TR Datasheet - Page 32
![IC PCI HOT PLUG CTLR DUAL 48TQFP](/photos/6/84/68454/576-48-tqfp_sml.jpg)
MIC2591B-2BTQ TR
Manufacturer Part Number
MIC2591B-2BTQ TR
Description
IC PCI HOT PLUG CTLR DUAL 48TQFP
Manufacturer
Micrel Inc
Type
Hot-Swap Controllerr
Datasheet
1.MIC2591B-2YTQ.pdf
(34 pages)
Specifications of MIC2591B-2BTQ TR
Applications
General Purpose, PCI Express
Internal Switch(s)
No
Voltage - Supply
3.3V, 12V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
48-TQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
MIC2591B-2BTQTR
MIC2591B-2BTQTR
MIC2591B-2BTQTR
March 2005
(GATE pin connection)
Via to signal plane
Figure 15. Suggested PCB Layout for Sense Resistor, Power MOSFET, and Capacitors
W
- DRAWING IS NOT TO SCALE AND NOT ALL PINS SHOWN FOR CLARITY-
*See Table 4 for part numbers and vendors
**Optional components
***Recommended components (variable in value, see Functional Description and Applications Information)
Trace width (W) guidelines given in "PCB Layout Recommendations" section of the datasheet
12V(Slot B) is illustrated in this example. A similar layout is suggested for the 3V supply and both slots
W
Current Flow
to the Load
***C
Via to GND Plane
FILTER
0.1uF
C1
*SENSE RESISTOR
**C
32
GS
**C
MILLER
*POWER MOSFET
GND
S
S
S
G
**R4
15
17
(SO-8)
from the Load
Current Flow
(GATE pin connection)
Via to signal plane
Current Flow
to the Load
Via to GND Plane
W
M9999-033105