MAX1551EZK+T Integrated Circuits (ICs)

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MAX1551EZK+T is a powered-off, battery-saving PMIC - Battery Charger supplied by Maxim Integrated. The MAX1551EZK+T is designed to support the charging of single-cell lithium-ion (Li-ion) battery while shutting down the external power supply. The MAX1551EZK+T is specifically designed for portable applications, such as portable devices, laptop computers and Ultra-mobile PCs (UMPCs), that require charging without external power.

The MAX1551EZK+T provides a wide range of features that enable long battery life and high system reliability. It is capable of charging a single-cell Li-ion battery from 1.0V to 4.2V at up to 1A, and it can be set to charge at a slower rate if desired. The MAX1551EZK+T also features a wide range of overvoltage, undervoltage and overcurrent protections in order to prevent damage to the system or battery. The MAX1551EZK+T can be configured to act as either a dedicated charger or a battery switch, and it supports input voltages of up to 14V.

The MAX1551EZK+T is also designed to provide excellent load capacity in order to guarantee seamless power to the device while the battery is charging. This is achieved by providing the device with a regulated 3.3V output that is well suited for powering portable devices. The MAX1551EZK+T also has a low-power sleep mode that can save power when the battery is fully charged or the load is disconnected.

The MAX1551EZK+T utilizes a switching control architecture in order to control the charging of the battery. The architecture is composed of two input MOSFETs, two output MOSFETs and a switching MOSFET. The input MOSFETs are used to switch the input voltage to either the charger or the battery, while the output MOSFETs are used to switch the output voltage from the charger to the battery. The switching MOSFET is responsible for controlling the operation of the charger, regulating the charging current and generating the power-good signal.

The MAX1551EZK+T is designed to provide an economical solution for portable devices with its low power consumption and excellent thermal performance. It is able to provide reliable, safe battery charging with its wide array of protection mechanisms. The MAX1551EZK+T is an ideal choice for portable applications that require charging while saving power.

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