Series:	Automotive, AEC-Q101
Packaging:	Tape & Box (TB)
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	50V
Current - Average Rectified (Io):	200mA (DC)
Voltage - Forward (Vf) (Max) @ If:	900mV @ 100mA
Speed:	Small Signal =
Current - Reverse Leakage @ Vr:	5µA @ 40V
Capacitance @ Vr, F:	8pF @ 1V, 1MHz
Mounting Type:	Through Hole
Package / Case:	DO-204AH, DO-35, Axial
Supplier Device Package:	DO-35
Operating Temperature - Junction:	125°C (Max)

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Diodes - Rectifiers - Single

BAT86S-TAP is a popular diode rectifier chip manufactured by Infineon. Its name derives from its two terminals: the anode and cathode, with the anode being Tap86 (Triple Anode Package86). The BAT86S-TAP is suitable for use in a variety of medium-to-high power applications, particularly in rectifier circuits. This article will discuss the main application fields of the BAT86S-TAP and its working principles.

Application Fields

The primary application field of the BAT86S-TAP is as a rectifier circuit in power management systems. It can be used as a diode bridge for AC-to-DC conversion, with the diodes converting the alternating current signals into DC signals. It is a suitable choice for modern, high power applications due to its low reverse voltage, high-frequency operation and low-voltage drop.Its other application fields include boost converters, DC-to-DC switching regulators, DC motor-drivers and inverter circuits. The BAT86S-TAP is also used in low-voltage lighting systems and low-voltage switching applications. It can be used as a high-performance switch for Li-ion battery protection circuits, as well as in automotive electronics for DC-DC converters.

Working Principles

The working principle of the BAT86S-TAP is based on the rectification effect of the diodes. When an AC-input is applied to the chip, the diodes conduct to allow current to flow from the cathode to the anode. This causes the AC signals to be rectified, such that only the positive-half cycles pass through while the negative-half cycles are blocked. This process converts the AC-input into a polarized DC-output of the same magnitude.Apart from rectification, the chip also contains an on-state resistance that allows it to be used as a switching element. The on-state resistance is related to the reverse-bias blocking capacitance, which is affected by temperature, operating voltage and gate-to-source voltage. In this application, the chip is used to direct or control the current to switch at a desired voltage, depending on the specific application.

Conclusion

The BAT86S-TAP is a popular diode rectifier chip manufactured by Infineon. Its application fields include boost converters, DC-to-DC switching regulators, DC motor-drivers and inverters. It can also be used in low-voltage lighting systems and switching applications. The chip has a low reverse voltage and works on a high-frequency, enabling it to be used in high-power applications. The working principle of the chip is based on the rectification effect of the diodes, where an AC-input is rectified into a polarized DC-output. The chip can also be used as a switching element, with a resistance to direct and control the current, depending on the specific application.

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