In the world of industrial electronic devices—especially Electronic Shelf Labels (ESL), portable meters, and IoT sensors—power efficiency isn’t just a feature; it’s a requirement. Engineers in Germany, the United States, and other technologically advanced regions are constantly searching for display solutions that combine clarity, reliability, and minimal energy draw. The SFE213RJBW-7307A 2.13" E-Paper Display from Saef Technology Limited is engineered to meet these exact demands.
Based on the product datasheet, here are the standout power-related specs that make this display a top choice for energy-sensitive applications:
Deep Sleep Mode Current: As low as TBD µA (typical)
Typical Operating Current: Optimized for 3.3V systems
Bi-stable Operation: Zero power required to maintain a static image
Integrated DC-DC Converter: Reduces external component count and board space
These features are critical for devices that spend most of their life in standby but need to update information reliably and clearly.
When integrating an EPD into your system, consider the following:
SPI Interface Flexibility: Supports both 4-wire and 3-wire SPI modes, allowing compatibility with a wide range of microcontrollers.
Busy Indicator Pin (BUSY_N): Essential for efficient timing control—prevents data collision and ensures smooth updates.
Wide Operating Voltage (2.3V–3.6V): Compatible with battery-powered systems and common Li-ion configurations.
Pro Tip: Combine the SFE213RJBW-7307A with a touch overlay (resistive or capacitive) from Saef Technology Limited to create a modern HMI without significantly impacting power budgets.
With certifications including ISO9001:2015 and ISO14001:2015, Saef Technology Limited ensures that every display module meets rigorous quality and environmental standards. Our displays are tested under extreme conditions—thermal shock, vibration, ESD—making them suitable for industrial environments in Europe and North America.
The SFE213RJBW-7307A is more than just a display—it’s a power-saving component that can define the success of your next portable or battery-operated device. For detailed electrical characteristics and timing diagrams, refer to SFE213RJBW-7307A Datasheet.pdf
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