
Picor Corporation • picorpower.com
PI5101-EVAL1 User Guide Rev 1.0 Page 4 of 12
Bill of Material
MLCC Capacitor, X5R, 1μF,16V
MLCC Capacitor, X5R, 22μF,25V
Schottky Diode, ,30V,500mA
2, Gnd,
S1, S2, Vaux1, Vaux2
Resistor, 8.45kΩ, 1%,0.1W
Resistor,13.3kΩ, 1%, 0.125W
Resistor, 2.00kΩ, 1%, 0.125W
Picor Cool-ORing Controller IC
Table 2: PI5101-EVAL1 Evaluation Board Bill of Materials
Snubber to reduce voltage ringing when the device turns off. Add the capacitors if long
harnesses are used to connect the power source or load to the board.
A fault is indicate exists when the LED is on
Zener diode clamps the gate voltage
Schottky Diode added to prevent current flow from Vin into the controller during gate
discharge
PICOR ultra-low R
DS(on)
MOSFET
UV Voltage Divider Resistor ( R2UV as defined in section 2.1.2 and Figure 4)
OV Voltage Divider Resistor ( R2OV as defined in section 2.1.2 and Figure 4)
UV Voltage Divider Resistor ( R1UV as defined in section 2.1.2 and Figure 4)
OV Voltage Divider Resistor ( R1OV as defined in section 2.1.2 and Figure 4)
LED current limit resistor, selected to operate from 12V.
VC bias resistor added for noise filtering
PICOR Cool-ORing Active ORing Controller
Table 3: Component functional description
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