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PDF PI2121 Data sheet ( Hoja de datos )
| Número de pieza | PI2121 | |
| Descripción | 24 Amp Full-Function Active ORing Solution | |
| Fabricantes | Vicor Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PI2121 (archivo pdf) en la parte inferior de esta página. Total 21 Páginas | ||
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PI2121
Cool-ORingTM Series
8 Volt, 24 Amp Full-Function Active ORing Solution
Description
The Cool-ORingTM PI2121 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 PI2121 Cool-ORing
solution is offered in an extremely small, thermally
enhanced 5mm x 7mm LGA package and can be
used in low voltage (≤ 5Vbus) high side Active ORing
applications. The PI2121 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 PI2121
solutions for high current Active ORing
requirements.
The PI2121, with its 1.5mΩ 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 PI2121 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
www.Da1ttha6Sr0eh°seCehto.4Uld.scToamhree
under-voltage
programmable via
and over-voltage
an external resistor
divider.
Typical Application:
Features
• Integrated High Performance 24A, 1.5mΩ
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 (≤ 5Vbus)
Package Information
• 17-pin 5mm x 7mm Thermally Enhanced LGA
Package
Figure 1: PI2121 High Side Active ORing
Picor Corporation • picorpower.com
Figure 2: PI2121 input current de-rating based on maximum
TJ=150°C vs. ambient temperature
PI2121
Rev. 1.0 Page 1 of 21
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 characterized on PI2121-EVAL1 evaluation board with 0 LFM airflow.
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.
www.DataSheet4U.com
Picor Corporation • picorpower.com
PI2121
Rev. 1.0 Page 5 of 21
5 Page 
Typical Characteristics:
Figure 7: Reverse Condition internal MOSFET Turn off
delay time vs. temperature.
Figure 8: Reverse comparator threshold vs. temperature.
VCM: Common Mode Voltage.
www.DataShFeeigt4uUr.eco9m: 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.
Figure 12: Internal MOSFET source to drain diode
forward voltage (pulsed ≤300µs).
Picor Corporation • picorpower.com
PI2121
Rev. 1.0 Page 11 of 21
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet PI2121.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| PI2121 | 24 Amp Full-Function Active ORing Solution | Vicor Corporation |
| PI2122 | 12Amp Active ORing Solution | Vicor Corporation |
| PI2123 | 15 Amp Full-Function Active ORing Solution | Vicor Corporation |
| PI2125 | 12 Amp Full-Function Active ORing Solution | Vicor Corporation |
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