Vicor PI5101-EVAL1 3.3V/60A High Side Active ORing Evaluation Board - Manual (Page 4)

Picor Corporation • picorpower.com PI5101-EVAL1 User Guide Rev 1.0 Page 4 of 12
Bill of Material
Item QTY Ref. Designator Value/Part NO. Description Footprint Manufacturer
1 2 C1, C2 1μF MLCC Capacitor, X5R, 1μF,16V 0603
2 2 C3 22μF MLCC Capacitor, X5R, 22μF,25V 1210
3 4 C4, C5, C6, C7 Not Installed 1206
4 2 D1, D2 LTST-C191CKT LED, Red 0603 LED Lite-On
5 2 D3, D4 BZX384-B5V1,115 Zener Diode 5.1V 300mW SOD323 NXP
6 2 D5, D6 PMEG3005EJ,115 Schottky Diode, ,30V,500mA SOD323 NXP
7 10
D1, D2,
1, 2, Gnd,
S1, S2, Vaux1, Vaux2
1528 Turret Test point TURRET - 1528
Keystone
Electronics
8 16 Gnd, Vin1, Vin2, Vout 1502 Turret Test point TURRET - 1502
Keystone
Electronics
9 2 M1, M2 PI5101-00-LGIZ N-MOSFET, 5V, 60A 3-Lead LGA PICOR
10 2 R1, R2 8.45kΩ Resistor, 8.45kΩ, 1%,0.1W 0603
11 2 R3, R4 13.3kΩ Resistor,13.3kΩ, 1%, 0.125W 0603
12 4 R5, R6, R7, R8 2.00kΩ Resistor, 2.00kΩ, 1%, 0.125W 0603
13 2 R9, R10 4.99kΩ Resistor, 4.99kΩ,1%,0.1W 0603
14 2 R11, R12 10Ω Resistor, 10Ω,1%,0.1W 0603
15 2 U1, U2 PI2001-00-QEIG Picor Cool-ORing Controller IC 3x3mm 10L DFN PICOR
Table 2: PI5101-EVAL1 Evaluation Board Bill of Materials
Ref. Designator Value/Part NO. Functional Description
C1, C2, 1uF VC Bypass Capacitor
C3 22uF Output (Load) Capacitor
C4, C5, C6, C7 Not Installed
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.
D1, D2 LTST-C191CKT A fault is indicate exists when the LED is on
D3, D4 BZX384-B5V1,115 Zener diode clamps the gate voltage
D5, D6 PMEG3005EJ,115
Schottky Diode added to prevent current flow from Vin into the controller during gate
discharge
M1, M2 PI5101-00-LGIZ PICOR ultra-low R
DS(on)
MOSFET
R1, R2 8.45kΩ UV Voltage Divider Resistor ( R2UV as defined in section 2.1.2 and Figure 4)
R3, R4 13.3kΩ OV Voltage Divider Resistor ( R2OV as defined in section 2.1.2 and Figure 4)
R5, R6, 2.00kΩ UV Voltage Divider Resistor ( R1UV as defined in section 2.1.2 and Figure 4)
R7, R8 2.00kΩ OV Voltage Divider Resistor ( R1OV as defined in section 2.1.2 and Figure 4)
R9, R10 4.99kΩ LED current limit resistor, selected to operate from 12V.
R11, R12 10Ω VC bias resistor added for noise filtering
U1, U2 PI2001-00-QEIG PICOR Cool-ORing Active ORing Controller
Table 3: Component functional description