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3.7inch e-Paper 数据手册(3.7inch_e-Paper_Specification).pdf
APPLICATION NOTE – REFERENCE DESIGN
MODEL NAME：3.7inch e-Paper
2 bit B/W/DG/LG
3.7inch e-Paper
Revision History
Rev.
Issued Date
Revised Contents
1.0
2020-05-29
1. New
3.7inch e-Paper
TECHNICAL SPECIFICATION
CONTENTS
1. Application ........................................................................................................................................................... 1
2. Features ................................................................................................................................................................. 1
3. Mechanical Specifications .................................................................................................................................... 1
4. Mechanical Drawing of EPD Module .................................................................................................................. 2
5. Output Interface .................................................................................................................................................... 3
6. Electrical Characteristics ...................................................................................................................................... 5
7. Power Sequence .................................................................................................................................................. 10
8. Optical Characteristics ........................................................................................................................................ 12
9. Handling, Safety and Environmental Requirements and Remark ...................................................................... 12
10. Reliability Test.................................................................................................................................................... 14
11. Block Diagram .................................................................................................................................................... 14
12. Packing ............................................................................................................................................................... 16
3.7inch e-Paper
1. Application
The 3.7inch e-Paper is a color, reflective electrophoretic E Ink® technology display module. It is based on active
matrix TFT substrate, featuring capacitive touch panel and front light and color component. It has 3.7” active area,
the display is capable to display images at 4 gray levels (2 bit) depending on the display controller and the
associated waveform file it used.
2. Features
High contrast reflective/electrophoretic technology
Ultra wide viewing angle
Ultra low power consumption
Glass TFT
Portrait mode
Commercial temperature range
All in one IC that integrated source driver, gate driver, TCON, PMIC and OTP memory in the module.
3. Mechanical Specifications
Parameter
Screen Size
Display Resolution
Display color
Active Area
Pixel Pitch
Outline Dimension
Module Weight
Number of Gray
Specifications
3.69
280(H) x 480(V)
monochrome
47.32(H) x 81.12(V)
0.169(H) x 0.169(V)
54.9(H) x 93.3(V) × 0.78 (D)
8.10 ± 0.81
4 Gray Level
Unit
Inch
Remark
Pixel 150dpi B/W
-
mm
mm
mm
g
3.7inch e-Paper1
4. Mechanical Drawing of EPD Module
3.7inch e-Paper2
5. Output Interface
5-1) Recommended Connector Type of Panel
Panasonic Y5B AYF532435 or P-TWO 196225-24041
5-2) Pin Assignment of Panel
Pin #
Signal
I/O
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
NC
GDR
RESE
NC
VSH2
TSCL
TSDA
BS1
BUSY
RES#
D/C#
CS#
SCL
SDA
VDDIO
VCI
VSS
VDD
VPP
VSH1
VGH
VSL
VGL
VCOM
-
O
O
P
P
O
Description
NC
N-MOS gate control
Current sense input for control loop.
NC
Remark
Positive source voltage for reserve
5V (Reserve.)
I2C clock for external temperature sensor
I/O
I2C data for external temperature sensor
I
O
I
I
I
O
I/O
P
P
P
P
O
P
P
P
P
P
Input interface setting
Driver status.
Global reset pin
Serial communication Command/Data input
Serial communication chip select.
Serial communication clock input.
Serial communication data input.
Digital/IO/Analog power
Digital/IO/Analog power
Ground
1.8V voltage input &output
OTP program power
Positive source voltage
Positive gate voltage
Negative source voltage
Negative gate voltage
VCOM output
3.3V
3.3V
1.8V
7.5V
+15V
+20V
-15V
-20V
3.7inch e-Paper3
5-3) Panel Scan Directions
Gate scan direction
G1072
G1
S1
Source scan
direction
S1448
3.7inch e-Paper4
6. Electrical Characteristics
6-1) Absolute Maximum Ratings of panel only:
Parameter
Symbol
Rating
Digital/IO/Analog power
Operating Temp. Range
Storage Temperature
VDD
Tot
Tst
-0.3 to +5.5
0 to +55
-25 to +70
Unit
V
℃
℃
6-2) Panel DC characteristics
DIGITAL DC CHARACTERISTICS
Symbol
Parameter
Conditions
MIN.
TYP.
MAX.
Unit
VDD
VGH
VGL
VSH
VSL
Logic supply voltage
Positive Gate driving voltage
Negative Gate driving voltage
Positive source driving
voltage
Negative source driving
voltage
VCOM_DC
VCOM_DC output voltage
2.4
--
--
--
--
Low level input voltage
Digital input pins
0
High level input voltage
Digital input pins
0.8xVDD
High level output voltage
Digital input pins,
IOH= 400 uA
0.8XVDD
--
--
3.3
20
-20
15
-15
3.6
--
--
--
--
Adjusted
--
--
0.2xVDD
VDD
V
V
V
V
V
V
V
V
V
--
200
0.2
1.0
0.16
16
53
0.18
148
488
0.2xVDD
V
KΩ
mA
uA
A
mA
mW
A
mA
mW
--
--
--
--
--
--
VIL
VIH
VOH
RIN
IMSTB
IMDS
TYP
pattern
VOL
Low level output voltage
Digital input pins,
IOL= -400 uA
0
Pull-up/down impedance
Module stand-by current
Stand-by mode
--
Module deep sleep & Flash
power down current
Deep sleep mode &
Flash power down
mode
Inc
Inrush Current
IMOPR Module operating current
P
Operation Power Dissipation
VDD=3.3V with
DC-DC
Heavy
Inc
Inrush Current
loading
IMOPR Module operating current
pattern
P
Operation Power Dissipation
VDD=3.3V with
--
--
--
--
--
--
3.7inch e-Paper5
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