MIC2548-1BM

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The MIC2548-1BM is a versatile device that combines multiple power distribution functions in a single package. It is intended for use in applications where wide voltage range and high current output is required. This device is a Power Management Integrated Circuit (PMIC) and is part of a family of devices designed for power distribution switches, load drivers, and other power management functions.

At the core of the MIC2548-1BM is a 4-channel Power Distribution Switch (PDS) that is designed to enable and disable high-current loads using a single digital control signal. The switch has a 3.6V – 6.5V wide input voltage range and can provide up to 3A of continuous current to each load. The PDS is comprised of four independent high-side switches, each with a one-bit enable/disable control input and an integrated charge pump. The switches can be independently enabled and disabled by writing a one or a zero to their dedicated control pins.

In addition to the PDS, the MIC2548-1BM also includes a four-channel Digital Load Driver (DLD). The DLD is designed to interface between a logic level control signal and a load. It has a wide input range from 2.5V to 6.5V, with 0.003A up to 3A of continuous output current. The DLD features four independent bidirectional switches, each with an integrated charge pump. The DLD can be configured for low side or high side drive, depending on the application requirements.

The MIC2548-1BM also includes a power management controller. This controller provides fault protection and over-temperature protection as well as diagnostic information. The controller enables the user to set a maximum current limit for each channel and also provides a fault output signal in the event of an over-current condition.

Due to its wide operating voltage range, high current capability, and integrated fault protection features, the MIC2548-1BM is suitable for a wide range of applications. It is particularly well-suited for industrial systems such as factory automation, robotics, lighting, displays, and other applications that require power distribution and management.

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