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The IR2E51Y6 is a white LED driver IC manufactured by Sharp Microelectronics, designed for backlight applications. It operates as a DC-DC switched capacitor regulator with an input voltage range of 2.3 V to 3.2 V. The device supports regulated dimming and features an auto-brightness control function. It is rated for operation within a temperature range of -20°C to +85°C. The component is packaged in a 35WLCSP format.
Verify the part status carefully, as sources indicate this component may be discontinued at major distributors like Digi-Key. Confirm the exact package type and revision level against the official datasheet before procurement. Ensure the supplier provides authentic Sharp Microelectronics products to avoid counterfeit components.
Select this component when a compact solution for white LED backlighting is required with integrated brightness control. The wide input voltage range accommodates single-cell battery power sources. Consider the 35WLCSP package size for space-constrained designs requiring high integration.
This part belongs to Sharp Microelectronics' PMIC LED driver series. It is specifically engineered for display backlighting applications where efficient power regulation and precise light intensity management are critical. The charge pump topology allows for driving LEDs from low-voltage sources.
Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing circuit designs if considering alternative drivers.