EL1848IY

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The EL1848IY is a PMIC (Power Management Integrated Circuit) LED driver made specifically for driving high-power LED arrays used in applications such as general illumination, automotive lighting, and industrial lighting. The device offers outstanding features such as a wide operating temperature range of -40°C to +125°C, a maximum output current of 1.5A, and an integrated high-side switch. It also provides a high level of reliability and ESD protection.

The EL1848IY is configured as a buck-boost DC-DC converter, with a standard input voltage range spanning from 6V to 34V. When driving a load, the device dynamically adjusts its output voltage to maintain a constant current flow to the LED string. This capability enables the user to build systems with either AC or DC input sources, since the device will still regulate the output current even when presented with a wide variety of input voltages. The device enables full dimming capabilities in either pulse-width modulation (PWM) or analog dimming mode, allowing full control over the intensity of the LEDs.

The EL1848IY offers a wide array of protection features, including both over-temperature protection (OTP) and under-temperature protection (UTP). It also offers over-voltage protection (OVP), under-voltage protection (UVP), and open-LED protection (OLP), in addition to providing over-current protection (OCP). Furthermore, the device features fault diagnostics such as an open or short LED detection circuit. These features ensure that the device and its connected LED string are well-protected and safe even under fault conditions.

With its wide array of features and capabilities, the EL1848IY is an ideal solution for applications that require reliable and efficient LED brightness control. It is highly reliable, with a long life expectancy, and it is capable of handing a wide variety of input voltage sources, making it ideal for both AC and DC powered applications. Moreover, its robust protection features protect both itself and its connected LED string from faults and other potential problems, ensuring reliable and long-lasting performance.

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