MP6400DG-30-LF-P

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Introduction to the MP6400DG-30-LF-P

The MP6400DG-30-LF-P is an integrated power monitoring and protection device from Monolithic Power Systems (MPS). It is part of their MP6xxx Family, which offers different over-voltage protection, under-voltage protection, over-temperature protection and current monitoring features that are designed for a variety of applications.

The MP6400DG-30-LF-P falls under the PMIC - Supervisors category, and is an excellent choice for microprocessor-based systems (especially those utilizing a two-wire, I2C/SMBus interface) that require power and current monitoring and protection. This device is programmed through the I2C/SMBus interface and is designed to protect single and multi-cell Li-ion and NiMH batteries, as well as NiCd batteries.

Application Field

The MP6400DG-30-LF-P can be used to protect a variety of microprocessor-based systems from over-voltage, under-voltage and over-temperature conditions. These include mobile phones, portable audio players and notebooks, handheld medical devices, as well as industrial and automotive blade servers. With flexible power control and comprehensive monitoring capabilities, the MP6400DG-30-LF-P is an ideal solution for protecting against power supply related faults.

The device offers two programmable under voltage lockout thresholds, two adjustable over voltage protection levels and one adjustable over temperature protection level. It also has an I2C/SMBus interface which can be used to obtain readings on the device\'s temperature, supply voltage, charge rate and charge current. The MP6400DG-30-LF-P also provides a digital output to indicate over-voltage, under-voltage and over-temperature conditions.

Working Principle

When the supply voltage exceeds the upper trip point (UVP), the MP6400DG-30-LF-P will automatically perform an adjustable over-voltage protection action. When the supply voltage falls below the lower trip point (LVP), the device will perform an adjustable under-voltage protection action. If the temperature exceeds the set threshold, the device will perform an adjustable over-temperature protection action.

The MP6400DG-30-LF-P also has an active power supply voltage monitoring feature, which is integral to the protection functions. This monitors the input and output power supply voltages through a dedicated analog-to-digital converter (ADC). The digital output pin will indicate an over-voltage (UVP), under-voltage (LVP) or over-temperature condition by setting the respective bits in the device\'s register.

The device also supports a programmable charge rate and current monitoring feature, which can be used to limit the amount of current being used by the system. This is especially useful for protecting battery packs from excessive charge or discharge.

Conclusion

The MP6400DG-30-LF-P is an ideal solution for protecting a variety of microprocessor-based systems from power supply related faults. It has programmable protection parameters and comprehensive monitoring capabilities, making it well suited for protecting mobile phones, portable audio players, notebook PCs, handheld medical devices and industrial or automotive blade servers.

The device can be programmed through the I2C/SMBus interface and comes with an active power supply voltage monitoring feature, charge rate and current monitoring capabilities, as well as adjustable overvoltage, undervoltage and overtemperature protection functions. By providing these features in a single integrated device, the MP6400DG-30-LF-P is an excellent choice for power management, monitoring and protection applications.

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