Datasheet

Buck/Boost Converter PICtail™ Plus Daughter Board User’s Guide
DS70336A-page 58 © 2008 Microchip Technology Inc.
FIGURE 1-6: DAUGHTER BOARD SCHEMATIC 5 OF 5
Explorer 16 Connector 16-bit 28-pin Connector
PMBus™
Test Points
J1
J2
9VANA_GND 9VANA_GND
+9V
+3.3V_DIG
+3.3V_DIG
+9V
+9V
+3.3V_DIG +3.3V_DIG
+9V
9VANA_GND
+9V
+3.3V_DIG
+3.3V_DIG
9VANA_GND
9VANA_GND
9VANA_GND
9VANA_GND
9VANA_GND
9VANA_GND
9VANA_GND
+3.3V_DIG+3.3V_DIG
J3
+3.3V_DIG
R1
0R (DNP)
R2
0R (DNP)
TP3
TP4
TP5
TP6
TP7
D17
BAT54S (DNP)
D18
BAT54S (DNP)
+3.3V DIG
TP14
TP15
TP16
SDA/RX
SCL/TX
9VANA_GND
9VANA_GND
9VANA_GND
9VANA_GND
R35
DNP R36
DNP
+3.3V DIG
PWM2L
Load
PWM3H
Voltage FB2
Current Sense2
PWM2H
PWM1L
V IN Feedback
PMBAUX2
SCL/TX
Voltage FB Buck1
Voltage FB Boost
Current Sense3
Current Sense1
Voltage FB Buck 1
Current Sense2
Voltage FB2
VIN Feedback
PWM1L
PWM1H
PWM2L
PWM2H
Load
PWM3H
SDA/RX
SCL/TX
PMBAUX1
PMBAUX2
PMBAUX1
PMBAUX2
PWM1H
Current Sense1
PWM2H
PWM3H
PWM1L
PWM2L
Current Sense2
Current Sense3
SDA/RX
PMBAUX1
Current Sense1
Load
PWM1H
B
A
B
A