DD46S10K

## IntroductionThe DD46S10K is a four-terminal, two-phase rectifying array with a lower voltage drop and faster switch speed than traditional devices. Its high surge current capability and integrated self-supplement features improve reliability of applications such as power supplies, converters and high current automotive systems. This article provides an overview of the application field and working principle of the DD46S10K rectifying array.## Application FieldThe DD46S10K rectifying array is most commonly used for automotive and power applications, as well as other applications that require both high current and low voltage drop. It can reliably handle up to 10A of average current and has a low forward voltage drop of 1.6V. The DD46S10K also features a high surge current capability of up to 25A, making it suitable for a wide range of automotive, power and converter systems. Its fast switching speed of up to 1.2us makes it suitable for applications with high switching frequencies.## Working PrincipleThe working principle of the rectifying array involves two major steps: the switching of current through the two phases and the formation of a diode bridge. In the first step, current is switched through the two phases of the rectifying array. This is done via the two “COM” pins, which allow current to flow in both directions. The two phases are identified as “A” and “B” and are connected to each other via a resistor, typically 0.05 Ohm to 2 Ohm. When current is switched between the two phases, the resistor allows for current to flow between the A and B phases and act as both a low-resistance path and a voltage-drop regulator.Once current is switched between the two phases, a diode bridge is formed. This involves the four “D” (diode) pins, which are in the opposite polarity of the two “COM” pins and act as a rectifier. This means that only current in the direction of the two diode pins can pass through the diode bridge, while any current against the diode pins will be blocked. This allows the DD46S10K to act as a rectifier, converting alternating current to direct current while also controlling the voltage drop.## ConclusionThe DD46S10K rectifying array is a four-terminal, two-phase device suitable for a variety of automotive and power applications. Its low voltage drop and fast switching speed make it a reliable and efficient choice for applications requiring both high current and low voltage drop. Its integrated diode bridge and self-supplement features provide improved system reliability and protection.