PI2003-EVAL1 Datasheet, PDF (3/8 Pages) Vicor Corporation – PI2003-EVAL1 Active ORing

Vin1+
Vin2+
BUS(+) A
BUS(+) B
VC1
Q1
IRF7853
5
1
Vin1-
BUS(- ) A
6
7
2
3
8
U1
8 _SN
R5
Not Installed
VC ³
2 _{GATE PI2003 FT} 6
7 _SP
1 _GND
FC ⁵
R2
R1
24K _11k
VC1
D1
FT1
C1
1uF
FT1
C3
2.2uF
Vout+
C4
Not Installed
C5
22uF
Vout-
VC2
Q2
IRF7853
5
1
Vin2-
BUS(- ) B
6
7
2
3
8
U2
8 _SN
R6
Not Installed
VC ³
2 _{GATE PI2003}
7 _SP
1 _GND
FT ⁶
FC ⁵
VC2
FT2 ^D2
Figure 2 – PI2003-EVAL1 Evaluation Board schematic.
R4
R3
24K 11k
C2
1uF
FT2
Item
1
2
4
5
6
9
10
11
12
16
QTY
2
1
2
4
6
2
2
2
2
2
Reference Designator
C1, C2
C3
C4
C5
D1, D2
FT1, FT2, VC1, VC2
Vin1+, Vin1-, Vin2+, Vin2-,
Vout+, Vout-
Q1, Q2
R1, R3
R2, R4
R5, R6
U1, U2
Value
1 µF
2.2 uF
Not installed
22 µF
IRF7853
11 KΩ
24 KΩ
Not Installed
PI2003
Description
Capacitor, MLCC X5R, 1 µF,16 V
Capacitor, MLCC X7R, 2.2 uF, 100 V
Capacitor, Electrolytic, 22 µF 100 V
LED, Super Red
Turret Test point
Footprint
0603
1812
1812
THIN 0603
TURRET-1528
Manufacturer
Lite-On, Inc.,
Keystone Electronics
Turret Test point
TURRET-1502
Keystone Electronics
100 V, 8.3 A, N-MOSFET
Resistor, 11 KΩ,1/4 W, 5%
Resistor, 24 KΩ,1/8 W, 5%
Picor Active ORing Controller
SO-8
0805
0805
0805
3mmx3mm; 10-TDFN
International Rectifier
PICOR
Table 2 – PI2003-EVAL1 Evaluation Board bill of materials
Reference Designator
C1, C2
C3, C4, C5,
D1, D2
Q1, Q2
R1, R3
R2, R4
R5, R6
U1, U2
Value
1 uF
LED
N-MOSFET
11 KΩ
24 KΩ
Not Installed
PI2003
Table 3 – Component functional description
Picor Corporation • www.picorpower.com
Functional Description
VC Bypass Capacitor
Output (Load) Capacitor
To indicate a fault exists when it is on
ORing MOSFET
VC Bias resistor
LED current limit resistor
Optional to connect VC to separate source
Picor Active ORing Controller
PI2003-EVAL1 User Guide Rev 1.0 Page 3 of 8