Picor Corporation • picorpower.com

PI2161-EVAL1 User Guide Rev. 1.0

QTY

Ref.

Designator

Value/Part NO.

Description

Footprint

Manufacturer

1

1

C1

0.1μF

MLCC Capacitor, X7R, 0.1μF,50V

0805

2

2

C2, C3

1μF

MLCC Capacitor, X7R, 1μF,50V

1206

3

1

C4

22μF

ELEC Capacitor, 22μF,100V

4

2

EN, VO

1528

Turret Test point

TURRET - 1528

Keystone Electronics

5

4

Vin+, Vin-,

Vout+, Vout-

1502

Turret Test point

TURRET - 1502

Keystone Electronics

6

1

Q1

DTC114EUAT106

Transistor, Digital NPN,50V

SOT-323

Rohm Semiconductor

7

1

R1

120mΩ

Resistor, 0.12Ω,1%,0.25W

0805

8

R2

Not installed

Resistor

0805

9

1

R3

6.04kΩ

Resistor,6.04K,1%,0.25W

1206

10

1

R4

16.9kΩ

Resistor,16.9K,1%,0.1W

0603

11

1

R5

150kΩ

Resistor,150K,1%,0.1W

0603

12

1

SW1

Switch

SW SPDT SM

CAS-120

13

1

U1

PI2161-01-LGIZ

Picor Cool-Switch Controller IC

7mmx8mm 17-pin

LGA SiP

PICOR

Table 2: PI2161-EVAL1 Evaluation Board Bill of Materials

Ref. Designator

Value/Part NO.

Functional Description

C1

0.1μF

VC Bypass Capacitor

C2, C3

Not installed

Snubber to reduce high voltage noise after disconnect due to high current short.

Recommended value 1μF.

C4

22μF

Output Electrolytic Capacitor

Q1

DTC114EUAT106

PI2161 enable inverting polarity

R1

120mΩ

Current sense resistor

R2

Not installed

Optional high side bias resistor.

R3

6.04kΩ

R4

16.9kΩ

VO voltage divider. When the internal MOSFET gate is enabled

R5

150kΩ

pin pull-up resistor.

SW1

Switch

Output Enable/Disable switch

U1

PI2161-01-LGIZ

Full-Function Load Disconnect Switch Solution.

Table 3: Component functional description