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LED display screen module 16-bit constant current LED driver-MBI5153

Views: 600     Author: Site Editor     Publish Time: 2020-03-30      Origin: Site

     LED display module 16-bit constant current LED driver-MBI5153


      16-Channel PWM Constant Current LED Driver for 1:32 Time-Multiplexing Applications

      MBI5153 is designed for LED video applications using internal Pulse Width Modulation (PWM) control with selectable 14-bit / 13-bit color depth. MBI5153 features a 16-bit shift register which converts serial input data into each pixel’s gray scale of the output port. Sixteen regulated current ports are designed to provide uniform and constant current sinks for driving LEDs with a wide range of VF variations. The output current can be preset through an external resistor. The innovative architecture with embedded SRAM is designed to support up to 1:32 time-multiplexing applications. Users only need to send the whole frame data once and to store in the embedded SRAM of the LED driver, instead of sending every time when the scan line is changed. It helps to save the data bandwidth and to achieve high grayscale with very low data clock rate. With scan-type Scrambled-PWM (S-PWM) technology, MBI5153 enhances PWM by scrambling the “on” time of each scan line into several “on” periods and sequentially drives each scan line for a short “on” period. The enhancement equivalently increases the visual refresh rate of scan-type LED displays. In addition, the innovative GCLK multiplier technique doubles visual refresh rate.

      MBI5153 drives the corresponding LEDs to the brightness specified by image data. With MBI5153, all output channels can be built with 14-bit color depth (16,384 gray scales). When building a 14-bit color depth video, S-PWM technology reduces the flickers and improves the image fidelity.

Through compulsory error detection, MBI5153 detects individual LED for open-circuit errors without extra components. MBI5153 equipped an innovative cross elimination function, and it solves the cross phenomenon induced by failure LEDs. Besides, integrated ghost elimination circuit eases the ghost problems.


Superior Image Quality

Solving the Seven Common Problems for Fine Pitch LED Display:
1. Ghosting Effect、
2. Color Shift at Low Grayscale
3. Non-uniformity at Low Grayscale
4. Dim Line at the First Scan Line
5. Gradient Dim Line
6. LED Dead Pixel
7. High Contrast Interference





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Shenzhen Atop Led Opto Electronic Co., Ltd is a global supplier specializing in R&D, production and sales of LED display screens. The main products include LED display rental series, indoor and outdoor advertising screen series, high-definition small-pitch series, sports stadium screen series, traffic guidance screen series and special-shaped screens.It is located in Bao' an, Shenzhen, the most centralized area 
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