NXP Semiconductors
KTFRDM34933EVBUG
FRDM-34933EVB evaluation board
KTFRDM34933EVBUG
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2017. All rights reserved.
User guide
Rev. 1.0 — 15 March 2017
5 / 39
4.4 Board description
The following sections describe the additional hardware used to support the dual H-
bridge driver.
Figure 2. Board description
Table 2. Board description
Name
Description
U5
16-pin QFN H-bridge motor drive IC (MC34933)
F1
Overcurrent fuse
D5
LED output
OUT1A
Connect motor phase 1A to this terminal
OUT1B
Connect motor phase 1B to this terminal
OUT2A
Connect motor phase 2A to this terminal
OUT2B
Connect motor phase 2B to this terminal
VPWR
Power supply Input terminal
GND
Ground terminal
JA1
Interface connection to FRDM-KL25Z
JA2
Interface connection to FRDM-KL25Z
JA3
Interface connection to FRDM-KL25Z
JA4
Interface connection to FRDM-KL25Z
4.4.1 LED display
An LED is provided as a visual output device for the board.