MAX6418UK33+T

Power Management Integrated Circuit (PMIC) is an integrated circuit (IC) device, which can optimize a system\'s power by converting, switching and controlling the power supplied to various components. It provides the necessary features for applications like portable devices, medical supplies and circuit designs with multiple ICs.

PMIC technology has advanced significantly in recent years, with increasingly powerful ICs and innovative circuit designs replacing the traditional analog power supply design. For example, the MAX6418UK33+T is a single-channel supervisory IC designed specifically for supervising and protecting single-cell lithium-ion batteries.

Application Field

The MAX6418UK33+T offers a cost-effective solution for single-cell protection, making it ideal for applications like cameras, mobile phones, tablets, e-cigarettes and other applications that require battery protection and/or device management. It is designed to monitor and protect lithium-ion batteries from overvoltage, overcurrent and undervoltage conditions, providing protection to the battery from accidental or intentional damage.

Working Principle

The MAX6418UK33+T features overvoltage and overcurrent protection to avoid battery failure or damage. The overvoltage protection prevents cells from being overcharged, while the overcurrent protection limits charging or discharging current. The cell undervoltage protection prevents the battery from accidentally or intentionally being completely discharged.

The MAX6418UK33+T has a two-stage output voltage adjustment circuit, which automatically adjust the output voltage to match the battery cell. The output voltage range can be adjusted from 2.3V to 4.6V. The device can also be used as a low-power device supervisor thanks to its low-power consumption and high cathode current threshold of 10µA.

Furthermore, the MAX6418UK33+T incorporates an adjustable latch delay feature, which allows a user to select an appropriate amount of time that the device will remain in a latched state in order to prevent frequent shut-downs. This feature can also be used to improve the overall system protection.

In addition, the MAX6418UK33+T features a Programmable Overvoltage/Undervoltage Detection (POVD) function, which allows the user to program the device to detect overvoltage and undervoltage conditions. This allows the device to adapt to different battery cell types, thus improving system stability and reliability.

Conclusion

The MAX6418UK33+T is a high-performance single-channel supervisory IC, which is designed to monitor and protect lithium-ion batteries from overvoltage, overcurrent and undervoltage conditions. Its advanced features, such as adjustable latch delay, POVD and low-power consumption make it an ideal choice for applications like cameras, mobile phones, tablets and e-cigarettes.