MIC3231YTSE

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MIC3231YTSE is a step-down DC/DC converter developed by Taiwan Microchip Inc. It\'s a PMIC - LED driver, specifically designed to provide a controlled current to high brightness LEDs. This PMIC - LED driver is especially suitable for automotive applications and is mainly used to drive side lenses, reversing lights, and taillights.

The MIC3231YTSE DC/DC converter integrates a high efficiency PWM buck converter and a dedicated circuit for driving up to four LEDs. The buck regulator supports an input voltage range from 4.5 V to 16 V and an LED driving current up to 200 mA. It can accept an input PWM signal of up to 20 kHz and supports an adjustable current-limit level.

The data sheet for the MIC3231YTSE DC/DC converter provides three control options. The first option is a dedicated control pin that can be configured as either a current-limit set or an enable pin. The second option is a dedicated program pin that can be configured as either a current-limit set or an enable pin. The third option is a combination of the first two options, which allows for current-limit set, enable control, and/or adjustable strobe timing.

The MIC3231YTSE DC/DC converter features a spread-spectrum PWM mode, an adjustable soft-start time, and a low-power shutdown mode. The spread-spectrum PWM mode helps reduce EMI and noise, while the adjustable soft-start time helps reduce in-rush current. The low-power shutdown mode helps to save power when the LEDs are not in use.

The MIC3231YTSE DC/DC converter is also equipped with over-temperature and over-voltage protection. The over-temperature protection helps to safeguard against damage when shutdown times exceed the normal maximum power dissipation limit. The over-voltage protection limits the output voltage to a safe level if the input voltage exceeds the maximum allowable voltage.

The MIC3231YTSE is designed to meet the stringent thermal and over-voltage requirements of automotive applications. It can operate over a wide temperature range and is qualified for exposure to high temperature and high-humidity environments. The device is AEC-Q100 certified, which guarantees its robustness and reliability.

The MIC3231YTSE is ideal for automotive LED lighting applications. It can drive up to four high intensity LEDs with a single IC and it supports different control options and protections. The device is also highly efficient, allowing energy-saving and low operating temperatures. The MIC3231YTSE is a reliable solution for automotive LED drivers.

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