EL7630IWTZ-T7A Integrated Circuits (ICs)

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The EL7630IWTZ-T7A is a high performance, low-cost device. Specifically, it is a LED driver, which is a type of Power Management Integrated Circuit (PMIC). As its name implies, LED drivers are specially designed to be used with LED devices, in order to control current and voltage. This article looks at the application fields, working principle and key features of the EL7630IWTZ-T7A to provide greater insight into its function and purpose.

The EL7630IWTZ-T7A is intended for wide range of LED applications, such as automotive and industrial lighting, displays, and signage. It can be used in various lighting configurations, such as LED backlight drive, LED matrix string drive, LED constant power drive, LED dimming drive, and LED current source drive. In addition, the EL7630IWTZ-T7A has a wide input voltage range and can support both linear and PWM dimming.

The EL7630IWTZ-T7A operates based on a control loop consisting of a control IC, an external resistor, and an inductor. The control IC performs two main functions: it sets the current of the LEDs and it adjusts the brightness of the LEDs. The external resistor limits the current, while the inductor smooths the output current. The combination of these three elements creates a closed loop, which maintains a constant current output, independent of the input voltage.

The EL7630IWTZ-T7A is designed for reliable and efficient operation. It has over-current, over-voltage and under-voltage protection locks so that it can effectively protect the circuit from damage caused by various external conditions. Moreover, the device uses hysteretic control algorithm to efficiently maintain steady current control and dimming. It also has multiple dimming modes and a wide dimming range. Finally, the EL7630IWTZ-T7A has a soft start function which helps reduce start-up surge current and enhances system reliability.

Features of the EL7630IWTZ-T7A include high efficiency LED driver, wide input voltage range (3.3 – 16V), wide dimming range (0 – 100%), and low EMI. The device is relatively small, measuring 7.20 mm x 6.60 mm x 1.60 mm in its QFN-7EP package. It has an operating temperature range of -40°C to 85°C and is rated for 2A current. Finally, it is RoHS and REACH compliant.

In conclusion, the EL7630IWTZ-T7A is ideal for a range of LED applications, such as automotive, industrial, and display lighting. It has excellent protection features, dimming modes, and a wide dimming range. Additionally, the EL7630IWTZ-T7A is small in size, has a wide input voltage range, and is relatively low cost. This makes it an attractive option for any lighting project.

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