TPSMA6L64A

Voltage - Clamping (Max) @ Ipp:	103V
Supplier Device Package:	DO-221AC
Package / Case:	DO-221AC, SMA Flat Leads
Mounting Type:	Surface Mount
Operating Temperature:	-50°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	600W
Current - Peak Pulse (10/1000µs):	5.9A
Series:	Automotive, AEC-Q101, TPSMA6L
Voltage - Breakdown (Min):	71.1V
Voltage - Reverse Standoff (Typ):	64V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

TPSMA6L64A is a TVS-diodes device, which serving as an efficient and economical protection against overvoltage transients caused by electrostatic discharge (ESD). This device is suitable for protecting small signals from ESD but also for protecting input/output (I/O) ports on various electronic equipment from transient voltage surges. In this article, we will discuss the application field and working principle of TPSMA6L64A.

Application Field

TPSMA6L64A is one of the most widely used TVS-diodes devices. It is used in a wide variety of electronic devices, such as mobile phones, computers, digital cameras, etc. Because of its ability to protect I/O ports and other small signals, it is widely used in automobile electronics, industrial control systems and medical equipements. It is also ideal for applications where low capacitance, low leakage current and affordability are important factors.

Working Principle

The working principle of TPSMA6L64A is based on the process of clamping. Its integrated clamping circuitry is designed to absorb and limit high-frequency voltage transients. The device has two p and n junction rectifiers, which composed of two PNST diodes connected in series. When the surge voltage is applied to the anode of the device, the integrated circuitry will draw the surge current to flow through the two rectifying diodes. The current will then move through the diode in the direction of the forward bias and the voltage drop across it will be clamped at the peak of the surge voltage. This process of clamping will limit the voltage transients from damaging the components of the selected circuit. The device also has integrated capacitance to reduce the capacitive load of the circuit, thus allowing for low total capacitance, which is one of its most advantageous features. It also has low leakage current which allows the device to be used in applications where power consumption needs to be minimized.

Conclusion

In conclusion, TPSMA6L64A is an efficient and economical protection against overvoltage transients. Its integrated clamping circuitry limits the surge voltage and its integrated capacitance reduces the effects of the capacitive load on the selected circuit. Its low leakage current and low total capacitance also make it an ideal device for applications where power consumption needs to be minimized.

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