Vicor PI2002-EVAL1 Active ORing With Load Disconnect Evaluation Board - Manual (Page 3)

Picor Corporation • www.picorpower.com PI2002-EVAL1 User Guide Rev 1.0 Page 3 of 11
1
2
3
4
5
6
7
8
FDS8812NZ
Q2
C1
1uF
R1
8.45K
1%
R3
2.00k
1%
R2
13.3k
1%
10
R11
Vaux1
4.99K
R10
Red LED
D1
R9
1
2
3
4
5
6
7
8
FDS8812NZ
Q4
C5
1uF
R12
8.45k
1%
R14
2.00k
1%
R13
13.3k
1%
10
R22
Vaux2
4.99K
R21
Red LED
D2
R20
Vin1
Vin2
FT1
FT2
Rtrn1
Rtrn2
Out2
Gnd3
VC1
VC2
FT1
FT2
Vaux1 Vaux1
Out1
Gnd4
Vaux2 Vaux2
1
2
3
4
5
6
7
8
FDS8812NZ
Q1
1
2
3
4
5
6
7
8
FDS8812NZ
Q3
Vout Vin1
Vin2
PI2002
GN
D
1
G
2
VC
3
OCT
4
SCD
5
FT
6
SP
7
SN
8
UV
9
OV
10
IC2
PI2002
G
N
D
1
G
2
VC
3
OCT
4
SCD
5
FT
6
SP
7
SN
8
UV
9
OV
10
IC1
C2
18nF
C6
18nF
J5
J6 R15
2.00k
1%
R4
2.00k
1%
C3
Not Installed
C4
Not Installed
C8 C7
R8
Not Installed
R19
R6
5
R17
5
C9
22uF
R5
0
R7
0
R16
0
R18
0
Gnd2
Gnd1
Not Installed
Not Installed Not Installed
Not Installed
Not Installed
Figure 2 – PI2002-EVAL1 Evaluation Board schematic.
Item QTY Reference Designator Value Description Footprint Manufacturer
1 2 C1, C2 1 µF
Capacitor, MLCC X5R,
0603
1 µF,16 V
2 1 C9 22 µF
Capacitor, MLCC X7R,
1210
22 µF, 25 V
3 4 C3, C4, C7, C8 Not installed 1206
4 2 C2, C3 18 nF
Capacitor, MLCC X5R,
0603
18 nF,25 V
5 2 D1, D2 LED, Super Red THIN 0603 Lite-On, Inc.,
6 6
FT1, FT2, Rtn1, Rtn2,
Turret Test point TURRET-1528
Keystone
Vaux1, Vaux2 Electronics
7 8
Gnd1, Gnd2, Gnd3, Gnd4,
Turret Test point TURRET-1502
Keystone
Vin1, Vin2, Vout1, Vout2 Electronics
8 2 J5, J6 Header Pins 0.1" pitch 2 x 3mm
9 4 Q1, Q2, Q3, Q4
FDS8812NZ
SO-8 Fairchild
30 V, 20 A, N-MOSFET
10 2 R1, R12 8.45 K Ω Resistor,8.45 K Ω,1% 0603
11 2 R2, R13 13.3 K Ω Resistor,13.3 K Ω,1% 0603
12 4 R3, R4, R14, R15 2.00 Ω Resistor, 2.00 Ω, 1% 0603
13 6 R5, R6, R7, R16, R17, R18 0 Ω Resistor, 0 Ω 0603
14 2 R8, R9, R19, R20 Not Installed 0603
15 2 R10, R21 4.99 k Ω Resistor, 4.99 Ω, 5% 0603
16 2 R11, R22 10 Ω Resistor, 10 Ω, 5% 0603
17 2 U1, U2 PI2002
Picor Active ORing 3 mm x 3 mm;
PICOR
with Load Disconnect Controller 10-TDFN
Table 3 – PI2002-EVAL1 Evaluation Board bill of materials