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PDF PI2123 Data sheet ( Hoja de datos )
| Número de pieza | PI2123 | |
| Descripción | 15 Amp Full-Function Active ORing Solution | |
| Fabricantes | Vicor Corporation | |
| Logotipo |  |
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PI2123
Cool-ORingTM Series
15 Volt, 15 Amp Full-Function Active ORing Solution
Description
The Cool-ORingTM PI2123 is a complete full-function
Active ORing solution with a high-speed ORing
MOSFET controller and a very low on-state
resistance MOSFET designed for use in redundant
power system architectures. The PI2123 Cool-ORing
solution is offered in an extremely small, thermally
enhanced 5mm x 7mm LGA package and can be
used in high side Active ORing applications on bus
voltages up to 9.6V. The PI2123 enables extremely
low power loss with fast dynamic response to fault
conditions, critical for high availability systems. A
master/slave feature allows the paralleling of PI2123
solutions for high current Active ORing
requirements.
The PI2123, with its 3mΩ internal MOSFET provides
very high efficiency and low power loss during
steady state operation, while achieving high-speed
turn-off of the internal MOSFET during input power
source fault conditions that cause reverse current
flow. The PI2123 provides an active low fault flag
output to the system during excessive forward
current, light load, reverse current, over-voltage,
under-voltage and over-temperature fault conditions.
A temperature sensing function indicates a fault if
the maximum junction temperature exceeds 160°C.
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Typical Application:
Features
• Integrated High Performance 15A, 3mΩ
MOSFET
• Very-small, high density fully-optimized solution
providing simple PCB layout.
• Fast Dynamic Response to Power Source
failures, with 160ns reverse current turn-off
delay time
• Accurate sensing capability to indicate system
fault conditions
• Programmable under & over-voltage functions
• Over temperature fault detection
• Adjustable reverse current blanking timer
• Master/Slave I/O for paralleling
• Active low fault flag output
Applications
• N+1 Redundant Power Systems
• Servers & High End Computing
• Telecom Systems
• High-side Active ORing
• High current Active ORing ( ≤ 9.6Vbus)
Package Information
• 17-pin 5mm x 7mm Thermally Enhanced LGA
Package
Figure 1: PI2123 High Side Active ORing
Picor Corporation • picorpower.com
Figure 2: PI2123 input current de-rating based on maximum
TJ=150°C vs. ambient temperature.
PI2123
Rev 1.0 Page 1 of 20
1 page  
Electrical Specifications
Unless otherwise specified: -40°C < TJ < 125°C, VC =12V, CVc = 1uF, CSL = 10pF
Parameter
Symbol Min Typ Max Units
Conditions
BLANK
Blank Source Current
Blank Output Voltage
Blank Slave Mode Threshold
IBK -60 -45
VBK 0.77
VBK-TH 1.2 1.45
-30
0.9
1.7
μA VBK=0V
V IBK=5μA Connected to GND
V
Note 1: These parameters are not production tested but are guaranteed by design, characterization and
correlation with statistical process control.
Note 2: Current sourced by a pin is reported with a negative sign.
Note 3: Thermal resistance of PI2123 characterized on PI2121-EVAL1 evaluation board with 0 LFM airflow
(PI2121-EVAL1 evaluation board is compatible with the PI2123).
Note 4: Refer to the Auxiliary Power Supply section in the Application Information for details on the VC
requirement to fully enhance the internal MOSFET.
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Picor Corporation • picorpower.com
PI2123
Rev 1.0 Page 5 of 20
5 Page 
Typical Characteristics:
Figure 7: Reverse Condition internal MOSFET Turn off Figure 8: Reverse comparator threshold vs. temperature.
delay time vs. temperature.
VCM: Common Mode Voltage.
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Figure 9:
Controller
bias
current
vs.
temperature.
Figure 10: Internal MOSFET Drain to source breakdown
voltage vs. temperature.
Figure 11: Internal MOSFET on-state resistance vs.
temperature.
Picor Corporation • picorpower.com
Figure 12: Internal MOSFET source to drain diode
forward voltage (pulsed ≤300µs).
PI2123
Rev 1.0 Page 11 of 20
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet PI2123.PDF ] | |
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