TPS826745SIPR

Series:	MicroSip™
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Non-Isolated PoL Module
Number of Outputs:	1
Voltage - Input (Min):	2.3V
Voltage - Input (Max):	4.8V
Voltage - Output 1:	1.225V
Voltage - Output 2:	--
Voltage - Output 3:	--
Current - Output (Max):	600mA
Applications:	ITE (Commercial)
Features:	Remote On/Off, OCP, OTP, UVLO
Operating Temperature:	-40°C ~ 85°C
Efficiency:	90%
Mounting Type:	Surface Mount
Package / Case:	8-BGA Module
Size / Dimension:	0.12" L x 0.09" W x 0.04" H (3.0mm x 2.4mm x 1.0mm)
Supplier Device Package:	8-uSIP
Control Features:	Enable, Active High
Base Part Number:	TPS826745

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DC DC Converters: TPS826745SIPR Application Field and Working Principle

Dedicated DC-DC converters allow small power supply applications to be designed with low component count and high efficiency, enabling significant cost savings for the end user. One example of this kind of device is the TPS826745SIPR, an 8-channel synchronous rectifier buck converter specifically designed for second-tier AC-DC laptops. This article will discuss the application field, features, and working principle of the TPS826745SIPR.

Application Field

The TPS826745SIPR is an automotive-grade synchronous rectifier buck converter which offers excellent efficiency of 94% or greater. It is designed to convert an input voltage of 12V or greater to regulated output voltages from 3.3V to 24V. It supports up to eight regulated channels with a wide range of output voltages. The TPS826745SIPR is an ideal solution for automotive and industrial applications where a minimal output ripple is required over a wide input voltage range. It is suitable for use in cars, trucks, boats, and buses, as well as for powering industrial appliances, robots, and HVAC systems. Its regulated output provides the highest level of accuracy and base pressure stability, making it an ideal choice for powering a variety of applications.

Features

The TPS826745SIPR offers a number of features which make it suitable for a wide range of applications. It features an integrated load disconnect switch, which allows easy connection and disconnection of the load. This reduces power consumption and removes the need for additional components. It also offers adaptive body-diode emulation to reduce body diode power losses, as well as an adjustable soft-start feature to reduce input inrush current. It also offers excellent thermal performance and short-circuit protection.

Working Principle

The TPS826745SIPR is a synchronous rectifier buck converter. It works by converting the input voltage into a regulated output voltage using a switching frequency of up to 5MHz. The synchronous rectifier buck converter operates by using a pair of power MOSFET switches, one for positive and one for negative output. The switches are turned on and off at a specific rate according to the output voltage desired, and the transformer provides the required amount of voltage transformation for the output. The switches are alternately turned on and off, allowing for current to flow from the input to the output. The output voltage is monitored by a feedback circuit, which adjusts the duty cycle of the power switches in order to maintain a constant output voltage. The TPS826745SIPR also uses adaptive body-diode emulation to reduce diode power losses, as well as an adjustable soft-start feature to reduce inrush current. This ensures a stable and steady power supply, even in the case of sudden load changes.

Conclusion

The TPS826745SIPR is a highly efficient synchronous rectifier buck converter designed to convert an input voltage of 12V or greater to regulated output voltages from 3.3V to 24V. It offers an integrated load disconnect switch and adaptive body-diode emulation, as well as an adjustable soft-start feature and short-circuit protection. It is suitable for a wide range of applications including automotive and industrial environments, and is an ideal choice for applications which require high accuracy and base pressure stability.

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