Power Supply - Quectel MC60 Reference Design

6
D
It is used when the DC input voltage is below 7V.
C
B
A
6
5
NOTE
The voltage converter should provide a minimum current of 2.0A.
LDO Application
MIC29302/SPX29302
U201
DC input
2 4
+5V IN OUT
R201
C201
C202
470uF
100nF
51K
Q201
[5]
POWER_ON/OFF
DTC143ZETL
DC-DC Application
1. It can be used when the input voltage is above 7V in vehicle application.
2. Use DCDC to convert high input voltage to 5V and LDO will generate
4V & 3.3V typical voltage for the module.
eg. DC12V IN DC 5V OUT
DCDC
5
4
4 3

Power Supply

VBAT
R202
124K
R203 C205 C206
C203 C204
100nF
470R 100uF
470uF 100nF
R204
56K
DC 4V OUT FOR DC 3.3V OUT FOR
LDO LDO
GSM PART GNSS PART
3
2
VCC_3V3
U202
1 5
VIN VOUT
2
GND
4 R205
FB
3
EN 75K
SGM2019-ADJYN5G/TR
C207
C208
100nF
4.7uF
R207 R206
47K 47K
Quectel Wireless Solutions
DRAWN BY
Tiger CHENG
CHECKED BY
SHEET
2
1
D
C
B
A
PROJECT TITLE
MC60 Reference Design
VER
SIZE
A2 A
2 OF 6 DATE 2016/5/30
1