Part Number: BTS716GBXUMA1

Manufacturer: Infineon Technologies

Description: Power Switch ICs – Power Distribution CLASSIC PROFET

Shipped from: Shenzhen/HK Warehouse

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BTS716GBXUMA1 Description

The N_ channel vertical power MOSFET in Smart SIPMOS technology is a monolithic integration of a charge pump, input, and diagnostic feedback compatible with ground-reference CMOS and diagnostic indicators. Complete safety thanks to built-in safeguards.

Why Power-Supply ICs?

Most integrated circuits used in power supplies have regulation as their primary function. These devices accept an unregulated voltage at their input and then produce a voltage regulated at their output. To put it in the simplest terms possible, these integrated circuits (ICs) produce an output voltage unaffected by changes in either the input voltage or the output current. This is why switching regulators and linear regulators are given their names. The charge pump is an exception to this otherwise straightforward definition. Depending on the connected device, a charge pump’s output may be regulated or unregulated.

Regulators can produce a regulated output voltage by using an input voltage that has already been regulated. In such a case, the regulator transforms the input voltage into a different voltage level, but this does not necessarily improve voltage regulation.

You may be tempted to power a circuit without using a regulator. There are circumstances in which you might have success attempting this. For instance, you could use a battery for entirely portable power equipment. However, this strategy almost always results in problems. In most cases, the circuitry contained within portable equipment can only function correctly within a specific limited voltage range. This is especially true regarding microprocessors and memory, mainly when it is necessary to have a high speed. The voltage range over which the battery operates may extend beyond the levels that are considered acceptable for certain types of circuitry, including microprocessors, memory, and many other types of circuitry. Adding a regulator to your circuitry will, as a result, make sure that it is supplied with the correct voltage.

Another potential source of difficulty if a regulator is not utilized is the battery’s internal resistance. This problem occurs as a result of the fact that the circuitry found in portable equipment frequently requires a variable level of supply current. Since the battery has its internal resistance, the voltage of the battery will change whenever a different amount of current is drawn from it. Because the power-supply rejection ratio (PSRR) of the various components of the circuitry might not be sufficient to reject these variations in battery voltage, certain portions of the circuitry can “object” to these variations in battery voltage. To circumvent this issue, a regulator is utilized to keep a constant output voltage despite the fluctuating load currents. A regulator provides this steady voltage. The active circuitry of the regulator maintains an output resistance significantly lower than the series resistance of the battery, which allows the regulator to provide this steady voltage.

Any attempt to design without a regulator raises questions about the necessity of steady voltage regulators to provide, although input voltage and output current can vary. But this is not all that should be taken into account. In most circumstances, switching and linear regulators and regulated and unregulated charge pumps serve an additional purpose. This additional purpose is that they generate a voltage that has a magnitude that is distinct from the voltage that powers them. This helps to explain why the device is called a DC-DC converter. Even though all three power-supply ICs—linear regulators, charge pumps  and switching regulators,—are technical “DC-DC converters,” the term is usually only used to refer to switching regulators.

A linear regulator has some limitations when converting voltage levels because it can only produce a voltage lower than the voltage supply. A switching regulator is significantly more versatile than a traditional regulator because it can step up (boost), step down (buck), or invert its supply voltage (change the polarity). Charge pumps carry out these same three operations, but their capacity to generate output current is more constrained.

In some cases, the idea that power-supply ICs generate voltages with a magnitude different from those fed into them is inaccurate. Transformer-coupled converters are where one is most likely to find an exception to the rule. It is not unheard of to come across a transformer-coupled converter with an output voltage that is the same as its input voltage. This converter only isolates the input and output voltages to prevent DC connections.

This is the case in the vast majority of instances. Isolation is frequently utilized as a precautionary measure. As a precaution against the possibility of the patient receiving an electric shock, the power supply for the circuitry that is, for example, connected to the patient through electrodes is kept separate from the power derived from the wall socket. However, you do not need to be admitted to a hospital to be required to remain isolated. Almost every piece of consumer electronics today separates the AC line from the circuitry that does the work.

What is a load switch IC?

A semiconductor switch on the high side is required to connect the power source and the load in series. A low-on-resistance MOSFET is typically used when a pass element is needed because of its low voltage drop and low power dissipation. Load switches are used to establish a power supply sequence critical to the dependable operation of a complex system and isolate unused circuitry sections to cut down on energy consumption. Protection features and an externally visible FLAG output for fault conditions are standard on modern load switch ICs. This means that when it comes to minimizing the footprint and improving the dependability of an electronic device, load switch ICs are preferable to load switches made up of discrete semiconductor components.


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