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NXP Semiconductors
UM11134
FRDMGD3100HBIEVM half-bridge evaluation board
UM11134
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2020. All rights reserved.
User guide
Rev. 3 — 10 February 2020
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Pin
Name
Function
20
AOUTH
Duty cycle encoded signal (high-side)
21
PWMH
PWM input (high-side)
22
FSSTATEH
Fail-safe state (high-side)
23
GND
Ground
24
INTBH
Interrupt bar (high-side)
4.4.2 Test point definitions
All test points are clearly marked on the evaluation board.
various test points.
Figure 4. Key test point locations
Table 3. Driver board test point definitions
Test point
Reference
designator
Definition
Low voltage (LV) domain
VSUP
TP2
DC voltage source connection point for VSUP power input of
GD3100 devices and flyback power supplies. Typically supplies by
vehicle b12 V DC, but can also be configured for +5 V DC
operation.
GND
TP13, TP14, TP15,
TP16
Grounding points for low-voltage domain
Low-side (LS) driver domain
VCCL
TP17
Provides access to measure positive voltage supply powering HV
die and gate driver for low-side IGBT