DS1833-15+T&R/STR

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In today’s ever-evolving world, power management has become a critical consideration when designing advanced electronic systems. The DS1833-15+T&R/STR power supply controller, monitor and regulator is a versatile and advanced solution from Texas Instruments. This device is designed to provide quick and accurate control, monitoring and regulation of system power supply voltages in actual or simulated end-equipment.

This device is classified under PMIC-Power Supply Controllers, Monitors and falls in the linear regulator family. When it comes to its applications, the DS1833-15+T&R/STR is best suited for a wide array of applications like computer systems, automotive applications, communications equipment, fax machines and various industrial products. Not only are its power management functions versatile, but it is also a suitable choice for the development of multi-phase power regulation circuitry, since it offers intuitive programming features and a wide input voltage range.

Moving on to its features, the DS1833-15+T&R/STR comprises two identical and independent programmable linear regulators that can be programmed from 2.1V up to 21V and current ratings of up to 30A. Furthermore, it contains an embedded temperature sensor and thermal regulation circuit that provides precision thermal management and offers temperature protection. Over-temperature readings can be reset at the desired temperature through an 8-bit register.

The device also offers a wide range of functions, such as programmable soft-start, auto-sink, output tracking, auto-sequence, and automatic cycle-by-cycle peak-current limit. Through a 3-bit register, it can also detect current flowing through a load and can be used to integrate pre-charge circuitry.

When it comes to its working principle, the DS1833-15+T&R/STR employs a voltage regulation principle called voltage-dropping regulation which offers superior regulation of power supply voltages. This technique helps maintain a given output voltage without the load at a specified load within the specified input voltage range. As the load current increases, the output voltage is gradually reduced. The device also features an internal voltage reference (reference voltage) which is used to set the output voltage.

The DS1833-15+T&R/STR can be programmed and monitored via a 3-wire serial interface. This interface is compatible with I2C and SPI serial communications for easy programming and serial communication systems. A variety of other safety, supervision and diagnostic functions are available, such as input under-voltage lockout (UVLO), over-temperature protection, output over-voltage protection, output over-current protection, over-temperature protection, output short-circuit protection, and brown-out protection. This device is also available in an extended temperature range (85C) and an automotive grade, making it a versatile and robust solution for various power management applications.

Ultimately, the DS1833-15+T&R/STR is a versatile, advanced, and reliable solution for managing power in advanced electronic systems. It provides quick and accurate control, monitoring and regulation while offering a wide range of features, such as its voltage-dropping regulation principle and its intuitive programming features. It is also a suitable choice for the development of multi-phase power regulation circuitry, since it offers a wide input voltage range, programmable soft-start, auto-sink, output tracking, auto-sequence and automatic cycle-by-cycle peak-current limit. These features make the DS1833-15+T&R/STR an ideal choice for applications such as computer systems, automotive applications, communications equipment, fax machines, and various industrial products.

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