The ChipSourceTek-LTK61105 is an advanced asynchronous high-power boost converter designed to meet the high performance and compact size requirements of modern portable systems. This chip not only integrates a 20mΩ power switch, but also provides a wide input voltage range, high efficiency, and multiple protection mechanisms to ensure stable operation in different application scenarios.

ChipSourceTek-LTK61105 Technical Features

    The ChipSourceTek-LTK61105 supports a wide input voltage range of 2.5V to 16V, which makes it compatible with the application requirements of single or dual lithium batteries and 12V lead-acid batteries. It has a maximum output voltage of 18V and a switching current capability of 15A, providing sufficient power support for a variety of portable systems.

    The chip uses pulse width modulation (PWM) mode to work, and can enter the power saving mode in the light load state to maintain high efficiency. In addition, the ChipSourceTek-LTK61105B model will force PWM mode on light loads to avoid possible application issues with low switching frequencies. This intelligent switching of operating modes enables the equipment to maintain optimal performance under different load conditions.

    The ChipSourceTek-LTK61105 also implements programmable soft start and adjustable switching peak current limiting to further improve device flexibility and safety. It also provides output overvoltage protection, cycle by cycle overcurrent protection and overheat protection to ensure the stable operation of the equipment.

ChipSourceTek-LTK61105 Package and environment adaptability

    The ChipSourceTek-LTK61105 is packaged in an environmentally friendly ESOP-8L package that meets RoHS requirements and helps reduce environmental impact. Its working environment temperature range is -40℃ to +85℃, adapt to a variety of extreme climate conditions, to ensure that it can work normally in harsh environments.

ChipSourceTek-LTK61105 Application field

    ChipSourceTek-LTK61105 is used in a wide range of portable devices, including Bluetooth devices, battery powered systems, set-top boxes, white LED drivers and power banks. These applications have high demands on power management chips, and the ChipSourceTek-LTK61105 is ideal for these devices due to its superior performance and reliability.

ChipSourceTek-LTK61105 Pin Description and functions

    Although the documentation does not detail the ChipSourceTek-LTK61105 pin specifications, we can assume that the pin configuration should include input voltage pins, output voltage pins, ground pins, and control pins. Specific functions of each pin may include:

1.     Input voltage pin：Receives an external input voltage, usually connected to a battery or other power source.

2.     Output voltage pin：Output stable high voltage for equipment use.

3.     Ground pin：Provide electrical grounding to ensure stable circuit operation.

4.     Control pin：Used to set output voltage, soft start, and possibly enable pins and other control signals.

ChipSourceTek-LTK61105 Typical application schematic and functional block diagram

    Although the documentation does not provide a typical application schematic and functional block diagram of the ChipSourceTek-LTK61105, it can be assumed that the typical application schematic will include elements such as input filter capacitors, inductors, diodes, and feedback networks to ensure the stability of the output voltage. The functional block diagram may show major functional modules such as the input stage, the boost conversion stage, the output stage, and the protection circuit.

ChipSourceTek-LTK61105 Design Considerations and advantages

    Choosing the right power management chip is crucial when designing a portable system. ChipSourceTek-LTK61105 is the ideal choice for designers with its wide input voltage range, high efficiency, small size and rich protection mechanisms. In addition, its programmable characteristics and flexible working mode also provide more possibilities for system design.

    The ChipSourceTek-LTK61105 is a powerful, high-performance asynchronous high-power boost converter for the power management needs of a wide range of portable devices. Its efficient design, comprehensive features and reliable protection mechanism make it stand out in a highly competitive market. The ChipSourceTek-LTK61105 is a trusted choice for both engineers and end users.