MIC94300YMT-TR Integrated Circuits (ICs)

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The MIC94300YMT-TR is an Advanced Power Management Integrated Circuit (PMIC) from Microchip. It is a power distribution switch, load driver, memory controller, and pulse-width modulators (PWM) with four full-spectrum MOSFET drivers and two single-ended drivers. It features various features such as a variable-frequeny PWM, power-on reset to prevent latchup and numerous device control and protection features.

The applications of the MIC94300YMT-TR include but are not limited to general purpose motor control, alternating current (AC)/direct current (DC) offsets, battery-management systems, contactless system power switching, data processing, and analog noise, reduction. It consists of four full-spectrum MOSFET drivers and two single-ended drivers. It has a logic controlled power-on reset to avoid latchup and a VCC monitor to keep track of the supply voltage.

This advanced PMIC also features under-voltage lockout, thermal protection, an adjustable the slew rate limit, oversampling and high-side output current monitoring. The MIC94300YMT-TR is available in two packages, a 4x4mm QFN and a 6x6mm QFN. The device is RoHS compliant and is available for both industrial (-40°C to +105°C) and commercial (0°C to +70°C) operating temperatures.

The MIC94300YMT-TR provides 98% efficiency in both linear and PWM mode. As a power distribution switch, it provides multiple outputs and each output can be independently disabled or enabled by 2 bits. Furthermore, each of the outputs offer the selection of linear mode or PWM mode with different spread spectrums and amplitudes. The determined frequency and output oltage balance by tracking the given input reference pin. As a result, the MIC94300YMT-TR improves the power loss over normal linear solutions and generates accurate and robust PWM conversion.

The MIC94300YMT-TR has internal temperature monitoring circuitry (TEC), which monitors the die temperature by comparing it to the predetermined threshold. Moreover, its HV Pin-to-pin circuit (HVPin) is used to identify a connection between the high-voltage pins and each other, as well as the ground. If a connection is found, the HVPin circuit will immediately suspend the operation of the switch. This provides a reliable and secure connection.

In conclusion, the MIC94300YMT-TR is a powerful and reliable Advanced Power Management Integrated Circuit for PMIC – power distribution switch, load driver, memory controller, and PWM applications. It has numerous advantages such as adjustable voltage limit, adjustable the slew rate limit, undervoltage lockout, high-side current monitoring, thermal protection, and power-on reset protection against latchup. Overall, this PMIC ensures efficient and reliable operation.

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