TSM1013AIDT

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The TSM1013AIDT is a Constant On-Time (COT) high-efficiency synchronous boost, or step-up, converter chip. COT topology is widely used in switching power supplies for a variety of applications. The TSM1013AIDT is an advanced synchronous boost converter with integrated power MOSFETs and gate drivers, making it suitable for various applications, including battery charging.

This section describes the application field and working principle of the TSM1013AIDT chip.

Main Application Field

The TSM1013AIDT is designed for PMIC - Battery Chargers, specifically for applications that require higher power, such as fast charging mobile portable systems; digital TV DC/DC supplies; and LED driver applications. It is designed to deliver higher efficiency and low-cost power solutions in portable systems.

Working Principle

The TSM1013AIDT is a COT boost converter based on a single-ended primary inductor converter (SEPIC) topology and includes a controller, integrated power MOSFETs, and two gate drivers. It can be used for single- or multiphase power supply designs.

The chip\'s COT topology allows it to provide extensively regulated output voltage, fast transient response, and high efficiency over a wide load range. The COT topology is used to effectively control the switching loss, reduce the output ripple, and reduce the number of output capacitors required in the power supply design. The current-mode loop control ensures the output voltage stability and prevents any large load transient.

The integrated power MOSFETs enable the chip to support higher power levels and enable a more compact form factor. The integrated gate drivers drive the power MOSFETs with low voltage levels, reducing the system\'s EMI levels, and also reduce the power supply\'s dynamic load.

The chip also features an adjustable soft-start and programmable output voltage, allowing the output voltage to be precisely regulated based on the system requirements. The chip has built-in protection features such as internal over-voltage protection, under-voltage protection, and over-temperature protection.

The TSM1013AIDT is highly suitable for PMIC - Battery Chargers applications that require high power delivery and highest efficiency. The chip is designed to reduce the external components and the board space needed for the design of a high-performance power supply system. It also enables designers to reduce their design cycle time considerably due to its advanced features.

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