MIC2591B-2BTQ Micrel Inc, MIC2591B-2BTQ Datasheet - Page 31

• Manufacturer Part Number: MIC2591B-2BTQ
• Description: IC CTRLR HOTPLUG PCI DUAL 48TQFP
• Manufacturer: Micrel Inc
• Type: Hot-Swap Controllerr

Specifications of MIC2591B-2BTQ

• 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: Lead free / RoHS Compliant

or plane, for the two inputs (e.g., 12VINA, 12VINB). Finally,
the use of plated-through vias will be necessary to make
circuit connection to the power, ground, and signal planes
on multi-layer PCBs.
March 2005
PCB Track Width:
Figure 13. 4-Wire Kelvin Sense Connections for
0.03" per Ampere
using 1oz Cu
Power Trace
From V
IN
to MIC2591B VIN Pin
R
Signal Trace
Note: Each SENSE lead trace shall be
balanced for best performance & equal
length/equal aspect ratio.
SENSE
R
SENSE
contact pads
R
SENSE
metalized
Signal Trace
to MIC2591B SENSE Pin
To MOSFET Drain
Power Trace
31
power supply
To the input
Figure 14. Current Limit Sense Filter for Noisy
VIN
power traces
High-current
Systems
MIC2591B
Controller
R
100pF
SENSE
SENSE
1kΩ
MOSFET and load
To the external
M9999-033105