SC806IMLTRT Integrated Circuits (ICs)

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The SC806IMLTRT is a high efficiency and chip size battery charger. It is a highly integrated power management IC (PMIC), which offers world leading power conservation in a compact size. This chip has been designed to enable charging of 1-4 Li-ion or Li-pol batteries with a selection of Selector inputs, such as charge enable, current limit and PWM enable. It is available in a small VSSOP-8 footprint and can be used to meet multiple charging requirements.

The SC806IMLTRT provides several critical features, such as a low minimum of 65mV system input voltage, 2A/1.1A of switch current and load dependent dynamic voltage regulation. An integrated power-on reset circuit allows easy system power control in order to minimize output disruption. The chip is protected against input voltage overshoot and output over-current. It can also be used to detect system over-temperature when the temperature exceeds the target temperature.

An important aspect of this PMIC is its support for multi-cell charging that supports up to 4 Li-ion or Li-pol batteries independent of each other, allowing for optimal battery charging for each cell. The SC806IMLTRT is designed to make maximum use of the available battery capacity and detect when to terminate the charging cycle. This ensures a safe and efficient charging process. The chip also has the ability to set the maximum charging current for each cell independently to ensure the best possible charging algorithm.

In addition, the SC806IMLTRT has a robust field-effect transistor (FET) driver with adjustable gate resistance, enabling higher switch output and system protection. The adjustable gate resistance is calibrated using a precision analog multiplier, which improves the efficiency and accuracy of the switch driver. This precision analog multiplier eliminates the need for external components, resulting in a simple and reliable design.

The SC806IMLTRT has an advanced Load Dependent Dynamic Voltage Regulation (LDDR) feature that offers improved battery lifetime and thermal protection. It also offers protection against input and output over-current and over-voltage. The LDDR feature efficiently controls the charging current and battery temperature, ensuring optimal working conditions for the cell.

Overall, the SC806IMLTRT is an integrated, high efficiency and chip size battery charger that is easy to use, suitable for a wide range of requirements, and provides superior system protection. The chip is cost-effective and offers a convenient solution for Li-ion and Li-pol battery charging. Its ability to support multi-cell charging, adjustable gate resistance, LDDR feature and its robust FET driver make it a must-have device.

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