PT6622E

Voltage - Output 3:	--
Base Part Number:	PT6622
Size / Dimension:	1.71" L x 1.22" W x 0.42" H (43.4mm x 31.0mm x 10.7mm)
Package / Case:	14-SMD Module
Mounting Type:	Surface Mount
Efficiency:	66%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OTP
Applications:	ITE (Commercial)
Current - Output (Max):	6A
Series:	PT6620
Voltage - Output 2:	--
Voltage - Output 1:	1.5V
Voltage - Input (Max):	16V
Voltage - Input (Min):	9V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Obsolete
Packaging:	Tray

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DC DC Converters

DC/DC converters have become essential components in most energy-related applications. With these converters, the efficiency and reliability of power delivery has been greatly improved, enabling the development of high performance electronic systems. The PT6622E is a high performance dual-stage synchronous buck DC/DC converter developed by Texas Instruments for use in a wide range of applications.

The PT6622E

The PT6622E is a synchronous buck DC/DC converter that supports a wide input voltage range of 4.5 V to 28 V, and a 2.7-V to 16.5-V adjustable output voltage with an adjustable output current of up to 3.6 A. It features extremely low quiescent current, up to 95% efficiency, and 0.2 μVrms ripple. This makes it ideal for automotive, industrial, and communications applications. It is also highly compatible with a variety of microcontrollers, making it an ideal choice for IoT projects.

Application Field

The PT6622E is designed for many different types of applications. It can be used for automotive, industrial, communications, consumer electronics, and other applications. It is especially useful in automotive applications such as infotainment systems, LCD screens, and powertrain systems, where high efficiency, wide input voltage range, and low noise are critical.In the industrial sector, the PT6622E can be used for motor control, industrial automation, and power supply systems. Its adjustable output voltage and current enable the converter to be used in a variety of industrial applications. In the communications sector, it can be used for routers, switches, and access points. Its wide input voltage range and high efficiency make it ideal for powering these applications.

Working Principle

The PT6622E is a dual stage synchronous buck DC/DC converter that uses two power stages, an input stage and an output stage. The input stage features a high efficiency P-channel Power MOSFET that is controlled by an Advanced Current-Mode Control (ACMC) algorithm. This enables it to be optimized for performance, efficiency, and reliability.The output stage consists of two N-Channel low-side MOSFETs that are controlled by an optimized hysteretic control algorithm. This enables the output voltage to be accurately regulated at any given input voltage, as well as providing a wide range of load transient response. The PT6622E also supports programmable slop compensation, allowing the designer to select the optimal load response for the application.The PT6622E also provides a wide range of system protection features including over-temperature protection, under-voltage lockout (UVLO), output short-circuit protection, and over-current protection. These features provide the highest level of system reliability and safety for the end-user.

Conclusion

The PT6622E is a high performance dual stage synchronous buck DC/DC converter that is ideal for power delivery in a wide range of applications. Its wide input voltage range, adjustable output voltage, and adjustable output current make it suitable for many applications. Its high efficiency, low quiescent current, and low noise make it ideal for automotive, industrial, and communications applications. Moreover, it supports a wide range of system protection features for the highest levels of reliability and safety.

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