Picor Corporation • www.picorpower.com

PI2002-EVAL1 User Guide Rev 1.0 Page 3 of 11

1

2

3

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

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

5

6

7

8

FDS8812NZ

Q1

1

2

3

5

6

7

8

FDS8812NZ

Q3

Vout

Vin1

Vin2

PI2002

VC

3

OCT

4

SCD

5

FT

6

UV

9

OV

10

IC2

PI2002

VC

3

OCT

4

SCD

5

FT

6

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.,

66

FT1, FT2, Rtn1, Rtn2,

Turret Test point

TURRET-1528

Keystone

Vaux1, Vaux2

Electronics

78

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