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显示板原理图3S

The document contains a schematic diagram for an electronic circuit, detailing various components such as resistors, capacitors, transistors, and integrated circuits. It includes connections for power supply, signal processing, and control interfaces, indicating a design for a device that likely involves battery charging and USB communication. The layout suggests a focus on a 3.3V power system and integration with USB-C technology.

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chk20000601
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8 views1 page

显示板原理图3S

The document contains a schematic diagram for an electronic circuit, detailing various components such as resistors, capacitors, transistors, and integrated circuits. It includes connections for power supply, signal processing, and control interfaces, indicating a design for a device that likely involves battery charging and USB communication. The layout suggests a focus on a 3.3V power system and integration with USB-C technology.

Uploaded by

chk20000601
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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VBUS U1 Q2
4 5 AO3401 U2
VCCSTDBY
1 VBAT VB XC6206P332MR +3.3V CC1 CC2
CHRG

GND
A C2 3 2 3 3 2 A
BAT Vin Vout
10uF/25V 2 6 R2 R3
GND PROG C3 C4 C5 5.1K 5.1K
TP4057 R5 10uF/25V R9 10uF 10uF

1
10K 10K
D1
VBAT J4 J3
A1 B1
2 R6 Q3 GND GND
OFF 1N5819 A2 B2
1 2N3904 D2 K1 SSTXp1
SSTXp2
5.1K A3 B3
SSTXn1
SSTXn2
CH1.25-2P KEY1 VBUS A4 B4 VBUS
C1 VBUS VBUS
KEY CC1 A5 B5 CC2
0.1uF CC1 CC2
1N5819 DP A6 B6 DP
K2 Dp1 Dp2
+3.3V DM A7 B7 DM
Dn1 Dn2
KEY2 A8 B8
SBU1 SBU2
KEY VBUS A9 B9 VBUS
VBUS VBUS
A10 B10
K3 SSRXn2
SSRXn1
A11 B11
SSRXp2
SSRXp1
KEY3 A12 B12

G
GND GND
B KEY B1 B
+3.3V USB-C/S_A

G
J1 +3.3V J2
BEEP
1 1
OFF BEEP
2 2
DM BL BEEP R1 Q1
3 3 2N3904
DP RES 5.1K
4 4
VDC MOSI
5 5
KEY1 RS
6 6
KEY2 SCK
7 7
KEY3 CS
8 8
CON8 CON8

C C

LCD1
1
TP0
2
TP1
MOSI 3
SDA
SCK 4
SCL
VB RS 5
RS
RES 6
RES
CS 7
CS
R7 8
GND
5.1K 9
NC
VDC 10
R4 +3.3V VCC
D BL 11 D
LEDK
R8 100R +3.3V 12
LEDA
10K 13
GND
1.14 IPS

1 2 3 4

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