MCP1643-I/MS

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The MCP1643-I/MS is an integrated PMIC - LED driver that provides integrated high-side current sense for both precision current control and higher shutdown current increases into a DC input power supply. The device also features an adjustable current sense voltage as well as a programmable gain on/off control. Due to its high efficiency and low quiescent current, the MCP1643-I/MS provides an ideal solution for automotive and general purpose applications.

The MCP1643-I/MS is capable of providing up to 15A of output current with a 5V output voltage and up to 28A of output current with a 12V output voltage. The output current is adjustable using a single resistor. The device also has an adjustable current sense voltage which allows for precise current control and precise temperature compensation.

The MCP1643-I/MS also features a programmable gain on/off control and a wide operating temperature range of -40°C to 125°C. Additionally, the device offers an adjustable frequency range of 0.5 to 25 MHz and an adjustable dead time of 0 to 49.5µs. The device also has an internal EMI filter and pre-biased startup.

The MCP1643-I/MS also features a built-in LED driver with PWM dimming control and a built-in voltage reference of 0.5V for accurate and precise dimming control. The device also has a maximum current capability of 52mA and is capable of driving up to six LEDs. Furthermore, the device has an adjustable turn-on voltage for the LEDs which allows for precise control of the LED brightness.

The MCP1643-I/MS also has a built-in DC-DC buck converter with a maximum power of 25W and a maximum voltage output of 24V. Additionally, the device has an adjustable switching frequency of up to 2.2MHz, an adjustable over current protection and an adjustable dead-time to reduce EMI. Finally, the device has an adjustable voltage feedback and current feedback which allows for precise control of the output voltage and current.

The MCP1643-I/MS is an ideal choice for a variety of automotive and general purpose applications such as HVACs, automotive power supplies, automotive lighting, and low power wireless communication systems. The device has low quiescent current and high efficiency, making it ideal for use in automotive electronic systems. Due to its integrated features and adjustable parameters, the MCP1643-I/MS is an excellent option for designers looking for a PMIC - LED driver solution.

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