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Driving Epaper Display with Low Power Consumption

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  • Time of issue:2021-12-06 09:10
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(Summary description)

Driving Epaper Display with Low Power Consumption

(Summary description)

  • Categories:Sharing
  • Author:
  • Origin:
  • Time of issue:2021-12-06 09:10
  • Views:
Information

Electronic paper display(Epaper) is a new type of display device using micro-capsule technology and has traits like: low power consumption of refreshing, bi-stable (the last image updated can long stay on the screen even after disconnected, almost zero power consumption). However, we still need some control circuits for driving Epaper display.

Following are several ways to realize driving Epaper with low power consumption:

1. To control the Epaper to enter the deep sleep mode
In this mode, the IC data cannot be saved, and at the second time of Epaper refresh, IC needs to be reset. Generally, the current is about 5uA.

2. To control the electronic paper display to enter the standby mode In this mode, the Epaper IC data will not be lost. The IC does not need reset operation and general current is about 20uA.

3. To control the Epaper to completely power off
A hardware switch is added at the front end of the Epaper drive circuit. It is generally recommended to use P-MOS. After Epaper refreshed, first let Epaper display enter the deep sleep mode, and then directly cut off the power supply by controlling P-MOS to achieve zero power consumption.

 

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Time of issue:2020-04-27 00:00:00

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Time of issue:2020-04-27 00:00:00
Powerby:300.cn DaLian

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Time of issue:2020-04-27 00:00:00

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