TLE6389GV

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PMIC (Power Management Integrated Circuit) technology has been increasingly used in recent years to improve the efficiency of electronics systems. TLE6389GV is a type of PMIC- Voltage Regulators- DC DC Switching Regulators that has been developed to offer a high degree of flexibility, and energy efficiency. This article will cover the TLE6389GV’s application field and working principle.

The application of TLE6389GV range from motor control systems that require efficient and cost-effective power and speed control, to telecom and data processing units that require stable and regulated power supply. It is especially suitable for system that require a wide input- and output voltage range, like automotive, agriculture and industrial applications.

TLE6389GV is a synchronous buck converter with integrated low-side MOSFET driver. This converter requires an external MOSFET with suitable current and voltage ratings to complete the design. It operates with a frequency of up to 2MHz, offering a wide range of frequency adjustability. It also offers internal voltage loop compensation, and a wide range of operation conditions- from 6V to 36V, with a current up to 4A.

This regulator offers both current and voltage mode control, allowing it to be used in a wide range of applications. In current mode control the voltage is set by applying a voltage to the FB pin. The current limit is provided by the Ilimit Pin, which provides a current reference that is compared to the internal error amplifier.

A voltage mode is used when a stable voltage is required. In this mode, the FB pin is bypassed, and a voltage is applied to the VSET pin. This pin provides a reference that is compared to an internal error amplifier, resulting in a stable output voltage.

The TLE6389GV also offers an over-voltage protection feature. This feature is activated when an internal comparator detects an output voltage that exceeds a predetermined voltage. The over-voltage protection will then shut down the regulator, and prevents any over-voltage damage to the system.

Finally, the TLE6389GV also offers programmable soft-start, allowing for smoother starts and higher efficiency. This feature reduces inrush currents when the load is connected to the system by ramping up the voltage from 0 to its set point.

In conclusion, the TLE6389GV is a versatile DC-DC switching regulator suitable for a wide range of applications. It offers both current and voltage mode control, over-voltage protection and programmable soft-start, making it suitable for a variety of applications.

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