DS1336

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The DS1336 is a dual-channel power management integrated circuit (PMIC) designed to deliver a highly integrated solution for managing multiple power rails within a system. It offers a wide range of features, including OR controllers, ideal diodes, and much more. This article will discuss the application field and working principle of the DS1336.

Application Field of DS1336

The DS1336 is the perfect choice for applications with multiple supply rails, such as consumer electronics, computing peripherals, industrial controls and embedded systems. Its onboard OR controllers allow for orderly shutdown and minimized power consumption in multiple-rail systems, while its ideal-diode controller provides on-demand current control circuitry with maximum efficiency. Its accurate voltage monitoring, adjustable timing, and ability to operate in both flyback and buck-boost topologies make it suitable for a variety of different applications. The DS1336\'s high integration and flexibility make it the perfect choice for any power management requirement.

Working Principle of DS1336

The DS1336 is based on a two-channel OR controller that supports both a buck and a flyback topology. In a buck configuration, one rail (the input) is higher than the other (the output). The OR controller uses inductor-discrete and high-side MOSFET switching elements to achieve the necessary current transfer from the higher rail to the lower rail, resulting in an efficiently managed system. In a flyback topology, one rail is lower than the other and the controller works in reverse, transferring current from the lower rail to the higher rail.

The onboard ideal-diode controller circuitry allows the DS1336 to provide high-efficiency current control for both buck and flyback circuits, with zero-voltage switching characteristics and industry-leading efficiency levels. Additionally, the DS1336 features a programmable timer that allows users to set up pulse-width modulation (PWM) type, synchronousrectification and single-edge PWM.

The DS1336 also provides accurate power-rail monitoring, with two independent voltage pinsfor each channel, that can be used to detect changes in the power rail and make necessary adjustments. Furthermore, the DS1336 integrates a safe-start function that prevents the supply rails from starting up without a valid control signal. This helps to ensure that the power management system will not be damaged or misbehaved due to erroneous startup conditions.

The DS1336 is a highly integrated PMIC that is capable of managing multiple supply rails with high efficiency and accuracy. Its OR controllers and ideal-diode controllers make it a great choice for applications with multiple power-rails, including consumer electronics, computing peripherals, industrial controls and embedded systems.

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