Quectel LC29H Series

GNSS Module Series
LC29H_Series_EVB_User_Guide 33 / 38
9 EVB Framework
The power is supplied to EVB via Type-B, and then to the GNSS module via a low-dropout regulator (LDO).
GNSS module outputs the signals from communication interface on EVB via USB-to-UART Bridge Chip
(CP2102N). There are an antenna interface and control buttons on EVB. All functions of the module are
available, including debugging.
Module
USB to UART
Bridge Chip:
CP2102N
Type-B
Interface
LDO
2.8 V
LDO
3.3 V
RESET_N
VCC V_BCKP
Test Points
WAKEUP
Antenna
Interface
Type-B
Interface
Power Switch
Button
Button
Isolation
Circuit
OBD
LDO
3.3 V
Figure 19: EVB Framework