DS1640S+

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The DS1640S+ power distribution switch, also known as an LDN, is a high-efficiency, single-channel Electronic Load Driver (ELD). Power Distribution Switches are integrated circuits (ICs) that are widely used in the design of current sensing, voltage monitoring and temperature control circuits. The DS1640S+ is an on-demand power controller, where the user can programme the applied voltage, peak current, and the drain position (on or off).it also supports a wide variety of application specific functions.

The DS1640S+ supports switching from 0V to 26V with a power dissipation of 1W and is capable of driving a load up to 2A. It features a built-in voltage reference that is factory calibrated to provide best in class accuracy. The device comes in a packages such as SOIC-8, miniSO-8 and TSSOP-8. This ensures an optimal performance in both industrial and automotive applications.

The working principle of the DS1640S+ is simple. It controls power to the load through the application of a control voltage. This voltage is then sensed by an integrated current sensing circuit, which converts the control voltage into a current. This current is then used to drive the load. Additionally, the DS1640S+ also contains an on-demand current-sensing element, which monitors the amount of current flowing in the load and adjusts the voltage accordingly.

The DS1640S+ finds its application in a variety of automotive applications such as power management of engine, transmission, and exhaust systems, as well as other related applications such as vehicle door locks and windows, powertrain control modules, headlights, body control modules and traction control systems. The device provides an accurate current sensing element for over-current protection, as well as current limiting and thermal protection.

The DS1640S+ is also commonly used in a number of industrial applications such as string inverter power management, motor control, switching power supplies and high-current motor drives. This device ensures high accuracy and reliability while handling current levels up to 2A. It is highly efficient, decrease in power dissipation and decreases the number of external components required. The DS1640S+ is also commonly used in power supplies, heating and cooling systems, building automation systems, marine applications and LED lighting.

The DS1640S+ is an ideal solution for automotive and industrial applications that require an on-demand power controller. This device combines best in class accuracy, low standby power dissipation, a wide variety of programming functions, and a robust design to provide an optimal solution for a range of industrial and automotive applications.

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