MAX1748EUE+

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PMIC (Power Management Integrated Circuit) is a necessary component in modern electronic product system design. It includes voltage regulators, that is, special purpose voltage regulators, which are mainly used to convert a variety of input voltages and current signals into a stable output voltage and current. Among the many special purpose voltage regulator, MAX1748EUE+ is an integrated circuit (IC) for battery management system that supports a wide range of applications. Compared with other special purpose voltage regulators, MAX1748EUE+ provides higher efficiency and tighter voltage control.

Application Field

The main applications of MAX1748EUE+ are as follows:

• Battery-Backed System: MAX1748EUE+ provides precise voltage to provide backup power for computer system, data storage, and telecom system after mains power interruption.
• Portable Radio System: MAX1748EUE+ can supply the portable radio with constant voltage stable power to ensure that it runs smoothly in the electronic product system.
• Data Privacy System: MAX1748EUE+ can provide precise voltage for password, encryption data and other security systems to keep confidential information from leaking.
• Automotive System: MAX1748EUE+ can provide constant voltage to ensure reliable power control in automotive, such as car burglar alarm and car navigation system.

In addition, MAX1748EUE+ can also be used in industrial process control, building fire alarm system and other fields.

Working Principle

The battery management system includes one or several MAX1748EUE+ chip. When the system is supplied, the voltage source supplies power to the MAX1748EUE+ chip through the input power conversion module. As an adjustable linear regulator and error amplifier, MAX1748EUE+ compares the output voltage of the power control circuit with the reference voltage Vref on the error amplifier pin. According to the compared result, the output voltage of the power control circuit will be automatically adjusted so that the output voltage is stable.

For example, during the system sleep state, MAX1748EUE+ can reduce the output voltage of the power control circuit, saving the power loss of the system. Meanwhile, when the system exceeds the maximum power output, MAX1748EUE+ will increase the power output voltage in order to ensure the output power of the system remains stable. This can effectively protect the power supply of the system, especially when the outlet voltage is relatively high.

Conclusion

Max1748EUE+ is a special purpose voltage regulator, which has the advantages of high efficiency, tight voltage control and application in various fields. It is widely used in various battery management systems, including battery backed system, portable radio system, data privacy system, automotive system and others. MAX1748EUE+ has the function of battery voltage management, which can stabilize system voltage output. It is widely used in various electronic products and its application will expand in future.

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