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AS1130 Datasheet(PDF) 1 Page - ams AG |
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AS1130 Datasheet(HTML) 1 Page - ams AG |
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1 / 66 page  ams Datasheet Page 1 [v2-01] 2016-Oct-12 Document Feedback AS1130 132-LED Cross-Plexing Driver with Scrolling Function The AS1130 is a compact LED driver for 132 single LEDs. The devices can be programmed via an I²C compatible interface. The AS1130 offers a 12x11 LED-matrix with 1/12 cycle rate. The required lines to drive all 132 LEDs are reduced to 12 by using the cross-plexing feature optimizing space on the PCB. The whole LED-matrix driving 132 LEDs can be analog dimmed from 0mA to 30mA in 256 steps (8 bit). Additionally each of the 132 LEDs can be dimmed individually with 8-bit allowing 256 steps of linear dimming. To reduce CPU usage up to 6 frames can be stored with individual time delays between frames to play small animations automatically. The AS1130 operates from 2.7V to 5.5V and features a very low shutdown and operational current. The device offers a programmable IRQ pin. Via a register it can be set on what event (CP_Request, Interface Timeout, Error-detection, POR, End of Frame or End of Movie) the IRQ is triggered. Also hardware scroll function is implemented in the AS1130. The device is available in an ultrasmall 20-Pin WL-CSP and an easy to solder 28-pin SSOP/TSSOP package. Ordering Information and Content Guide appear at end of datasheet. Key Benefits & Features The benefits and features of AS1130, 132-LED Cross-Plexing Driver with Scrolling Function are listed below: Figure 1: Added Value of Using AS1130 Benefits Features • Worlds lowest PCB real estate vs LED count • Up to 132 LEDs in a 12x11 matrix • 16.7M full color matrix with white balance • 8-bit PWM per LED and current control per line • Reduces MCU load and increases battery lifetime • 36 frames of memory with scrolling option • Identifies defect LEDs and “removes” them from the matrix • Error detection and correction General Description |
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