Description
4.2″ Color E-Ink Display (ShenZhen Techstar Electronics Incorporated Co., Ltd SFEPD420BWR-7021A01)
- Description:Â This a-Si TFT active matrix EPD offers 400×300 resolution, black, white, and red color display, and remarkably low power consumption. Ideal for applications requiring long-lasting, easily readable displays.
- Specifications:
- Type: a-Si TFT active matrix EPD
- Size: 4.2 inches
- Resolution: 400×300
- Colors: Black, white, red
- Viewing angle: near 180°
- Interface: SPI
- RoHS Compliant
| Product: | 4.2-Inch Color E-Ink EPaper Display | ||
|---|---|---|---|
| Resolution: | 400 X300 Dots Resolution | ||
| Display Mode: | Active Matrix Electrophoretic Display (AM EPD) | ||
| Optics: | All Viewing Angles | ||
| Outline Dim.: | 91 (H) X 77(V)x 0.9(T) Mm | ||
| Active Area: | 84.8 (H) X 63.6(V) Mm | ||
| Pixel Pitch: | 0.212x 0.212 (120dpi) | ||
| Operating Temp: | 0°C To +40°C | ||
| Storage Temp: | -25°C To +60°C | ||
| Color: | Black/White/Red | ||
| Surface Treatment: | Anti-Glare, 3H | ||
| Pin Number: | 24 Pins | ||
| Interface: | SPI | ||
| Pixel Arrangement: | Vertical Stripe | ||
| Input Current: | 4.93 MA | ||
| Compliance: | Rohs & Reach Compliant | ||
4.2 Inch Color E-Ink EPaper Display 400*300 Dots Product ImageÂ
Interface Pin Definition
| No. | Name | I/O | Description | Remark |
| 1 | NC | Do not connect with other NC pins | ||
| 2 | GDR | O | N-Channel MOSFET Gate Drive Control | |
| 3 | RESE | I | Current Sense Input for the Control Loop | |
| 4 | NC | Do not connect with other NC pins | ||
| 5 | VDHR | C | Positive Source driving voltage 1 | |
| 6 | TSCL | O | I2C Interface to digital temperature sensor Clock pin | |
| 7 | TSDA | I/O | I2C Interface to digital temperature sensor Data pin | |
| 8 | BS | I | Bus Interface selection pin | Note 5-4 |
| 9 | BUSYN | O | Busy state output pin | Note 5-3 |
| 10 | RSTN | I | Reset signal input. Active Low. | |
| 11 | D/C | I | Data /Command control pin | Note 5-2 |
| 12 | CSB | I | Chip select input pin | Note 5- 1 |
| 13 | SCL | I | Serial Clock pin (SPI) | |
| 14 | SDA | I | Serial Data pin (SPI) | |
| 15 | VDD | P | Power Supply for interface logic pins | |
| 16 | VDD | P | Power Supply for the chip | |
| 17 | VSS | P | Ground | |
|
18 |
VDDD | C | Core logic power pin. VDDD can be regulated internally from VDD. A capacitor should be connected between VDDD and VSS under all circumstances. | |
| 19 | VPP | P | Power Supply for OTP Programming | |
| 20 | VSH | C | Positive Source driving voltage | |
| 21 | VGH | C | Positive Gate driving voltage | |
| 22 | VSL | C | Negative Source driving voltage | |
| 23 | VGL | C | Negative Gate driving voltage | |
| 24 | VCOM | C | VCOM driving voltage | |
Absolute Maximum Rating
| Parameter | Symbol | Rating | Unit |
| Logic supply voltage | Vdd | -0.5 to +4.0 | V |
| Logic Input voltage | VIN | -0.5 to Vdd +0.5 | V |
| Logic Output voltage | VOUT | -0.5 to Vdd +0.5 | V |
DCÂ Characteristics
The following specifications apply for: VSS=0V, VDD=3.0V, TOPR =25ºC.
| Parameter | Symbol | Condition | Applicable pin | Min. | Typ. | Max. | Unit |
| Logic supply voltage | Vdd | – | VDD | 2.4 | 3.0 | 3.6 | V |
| High level input voltage | VIH | – | – | 0.8 Vdd | – | – | V |
| Low level input voltage | VIL | – | – | – | – | 0.2 Vdd | V |
| High level output voltage | VOH | IOH = – 100uA | – | 0.9 Vdd | – | – | V |
| Low level output voltage | VOL | IOL = 100uA | – | – | – | 0.1 Vdd | V |
| Typical power panel | PTYP | – | – | – | 45 | 240 | mW |
| Deep sleep mode | PSTPY | – | – | – | 3 | – | uW |
| Typical operating current | Iopr_VDD | Vdd =3.0V | – | – | 15 | 80 | mA |
|
Sleep mode current |
Islp_ VDD |
VDD=3.0V
DC/DCÂ OFF No clock, No output load Ram data retain. |
VDD |
– |
35 |
50 |
uA |
|
Deep sleep mode current |
Idslp VDD |
VDD=3.0V
DC/DC OFF No clock No output load Ram data not retain |
VDD |
– |
1 |
– |
uA |
| Operation
temperature |
TOPR | – | – | 0 | – | 50 | °C |
| Operation relative humidity | RHop | – | – | – | – | 70 | %RH |
| Operation illuminance intensity | E | indoor only | – | – | – | 2000 | lux |
| Storage temperature | TSTG | – | – | -25 | – | 60 | °C |
| Storage relative humidity | RHst | – | – | 30 | – | 60 | %RH |
4.2 Inch Color E-Ink EPaper Display 400*300 Dots Product ImageÂ
Reviews
There are no reviews yet.