Vicor PI2007-EVAL2 12V/15A High Side Active ORing Evaluation Board - Manual (Page 2)

Picor Corporation • picorpower.com PI2007-EVAL2 User Guide Rev. 1.1 Page 2 of 9
Cool-ORing ® PI2007 Product Description
The Cool-ORing PI2007 with an external industry
standard 25V N-channel MOSFET provides a complete
Active ORing solution designed for use in 12V Bus (10V to
14V) redundant power system architectures. The PI2007
controller with an N-channel MOSFET enables extremely
low power loss with fast dynamic response to fault
conditions, critical for high availability systems.
The PI2007 controller with a low R
DS(on)
N-channel
MOSFET provides very high efficiency and low power loss
during steady state operation. The PI2007 controller
provides an active low fault flag output to the system
during excessive forward current or reverse current, or
under VC under voltage condition.
Figure 1 shows a photo of the PI2007-EVAL2 evaluation
board, with two PI2007 controllers and two N-channel
MOSFET used to form the two Active ORing channels. The
board is built with two identical Active ORing circuits with
options and features that enable the user to fully explore
the capabilities of the PI2007 Active ORing controller.
Terminals Maximum Rating
Vin1, Vin2, 25V/15A
Vout 25V/30A
1, 2
-0.3V to 17.3V / 10mA
VL1, VL2 (R5=R6=1.5kΩ)* 5.5V
* VL1, VL2 voltage can be higher than 5.5V, but R5 and R6
values have to be increased to accommodate the LEDs
Figure 1: PI2007-EVAL2 Evaluation Board (1.8” x 1.8”)
Terminal Description
Vin1 Power source Input #1 or bus input designed to accommodate up to 15A continuous current.
Vin2 Power source Input #2 or bus input designed to accommodate up to 15A continuous current.
1
PI2007 (U1) Fault pin: Monitors U1 fault conditions.
2
PI2007 (U2) Fault pin: Monitors U2 fault conditions.
VC1 PI2007 (U1) VC input: Leave this pin unconnected unless an alternative controller bias voltage.
VC2 PI2007 (U2) VC input: Leave this pin unconnected unless an alternative controller bias voltage.
VL1 Fault pin
1 LED supply
VL2 Fault pin
2 LED supply
Vout Output: Q1 and Q2 MOSFETs drain connection, connect to the load high side.
Rtn
Return Connection: Three Rtn connections are available and are connected to a common point, the Ground plane. Input
supplies Vin1, Vin2, and the output load at Vout should all be connected to their respective local Rtn connection .
Table 1: PI2007-EVAL2 Evaluation Board Terminals Description