5
4
3
2
1
D
C
B
反馈电压
0.6V
# R36/R39 = 4.5
3.3V
电流
2A
静态电流
: 40μA
3V LDO for SNVS SNVS ADC
DCDC_IN
VDD_HIGH_IN
定位孔
电源状态输出,
确保
3.3V
输出正常后
再使能其他外设的供电
5V
供电过流保护
1A
限流
5V DCDC_3V3
GND
GND
GND
GND
GND
GND GND
5V
GND
VLDO_3V
GND
DCDC_3V3
VDD_SNVS_3V3
VLDO_3V
GND
VLDO_3V
DCDC_3V3
GND
MCU_DCDC_IN_3V3
DCDC_3V3
VDDA_ADC_3V3
GND
DCDC_3V3
VDD_HIGH_IN_3V3
GND
GND
GND
GNDGNDGND
5V_SYS
GND GND
5V
GND
PMIC_ON[4,12]
DCDC_3V3_PG[8]
Title
Size Document Number Rev
Date: Sheet of
主电源
V1.0
野火i.MX RT1052核心板
东莞野火电子技术有限公司
https://fire-stm32.taobao.com
A4
3 12Thursday, March 08, 2018
Title
Size Document Number Rev
Date: Sheet of
主电源
V1.0
野火i.MX RT1052核心板
东莞野火电子技术有限公司
https://fire-stm32.taobao.com
A4
3 12Thursday, March 08, 2018
Title
Size Document Number Rev
Date: Sheet of
主电源
V1.0
野火i.MX RT1052核心板
东莞野火电子技术有限公司
https://fire-stm32.taobao.com
A4
3 12Thursday, March 08, 2018
C6
0.22uF
C0402
6.3V
R89
6.8K
C11
0.1UF
R15 NC/0
预留不焊
C12
10uF
C2
10uF
R14
3.3K
C4
22UF
6.3V
C0603
C5
0.1UF
R6
44.2K
1%
R10 0
RT9193-30GB
U2
IN
1
GND
2
SHDN
3
BP
4
OUT
5
C1
10uF
H3
3.0mm
C13
0.1UF
R11 NC/0
预留不焊
U10
SY6280AAC
IN
5
EN
4
GND
2
ISET
3
OUT
1
C14
22nF
C0402
6.3V
C10
0.1UF
H4
3.0mm
C16
0.1UF
R9 0
C15
4.7uF
6.3V
R2 1K
C3
0.1UF
D1
RED
12
U1
MP2144GJ
VIN
2
EN
8
PG
1
SW
3
OUT
5
FB
7
PGND
4
AGND
6
R12
0
H2
3.0mm
C17
0.1UF
R4 10K
R3
200K
1%
R88 4.7K
C9
0.1UF
R13 0H1
3.0mm
L1
1uH
1 2
C101
22UF
6.3V
C0603