1.2.1 Test Points

Measurements can be done through the available test points listed below.

Table 1-1. Test Points Labels
Test PointDescription
VINInput Voltage
VOUTOutput Voltage
GNDGround
GATE_LMOSFET Driver Low-side gate drive
GATE_HMOSFET Driver High-side gate drive
SW_NODESwitch node signal
COMP1Type II compensator output for Current mode control
COMP2Type III compensator output for Voltage mode control(1)
PWM_LSPIC16F1779 Low-side PWM signal
PWM_HSPIC16F1779 High-side PWM signal
C1INJBODE injection for Current mode control
C2INJBODE injection for Voltage mode control
CT_CSCurrent transformer current sensing
DCR_CSInductor DC resistance current sensing(2)
HS_CSHigh-side shunt current sensing
DEBUGMicrocontroller debug pin with 5 kHz frequency (100 us on/100 us off)(3)
Note:
  1. Active only when used.
  2. Active only when configured and enabled by software.
  3. Active only when driven by software.