L9651-TR

Voltage - Supply (Vcc/Vdd):	Not Required
Base Part Number:	L9651
Supplier Device Package:	PowerSO-20
Package / Case:	20-SOIC (0.433", 11.00mm Width) Exposed Pad
Operating Temperature:	-40°C ~ 150°C (TJ)
Fault Protection:	Open Load Detect, Over Temperature
Features:	--
Input Type:	Non-Inverting
Rds On (Typ):	500 mOhm
Current - Output (Max):	2A
Series:	--
Voltage - Load:	4.7 V ~ 30 V
Interface:	On/Off
Output Type:	N-Channel
Output Configuration:	Low Side
Ratio - Input:Output:	1:1
Number of Outputs:	4
Switch Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The L9651-TR is a power management integrated circuit (PMIC) that is typically used in the field of power distribution switches, load drivers, level shifters and current sense amplifiers. It was developed by STMicroelectronics and is based on a main advanced technology core known as STripFET, which improves performance and reduces power consumption. The device is able to provide excellent isolation between input and output, and it also offers a high degree of immunity to noise, adding to its overall performance. In this article, we will examine the key application fields and working principles of the L9651-TR.

Application Fields

The L9651-TR has several potential applications in the field of power distribution switches, load drivers, and other related areas. It can be used in battery-powered devices such as smartphones and tablets, where it can provide an efficient way to both power and control a wide range of components. It can also be used in car ECUs or control units for the purpose of providing efficient and clean power signals for many automotive components. Finally, it can be used in medical systems, robotics, and other industrial automation equipment, where it can provide a reliable and powerful power source.

Working Principle

The L9651-TR is based on STMicroelectronics\' STripFET technology, which enables several improvements over traditional MOSFETs, such as improved gain, enhanced noise reduction, and lower power consumption. This technology is based on a two-channel architecture that allows two different conduction paths to be simultaneously activated. The device is then able to drive loads up to 80A with a maximum voltage of 14V. The core of the device is also equipped with an integrated RDSON-compensation feature, which allows it to automatically adjust the voltage and current to achieve the most efficient result. The device provides excellent features such as logic-level switching, hysteresis, slew-rate control, adjustable dead time, and safety functions such as Under Voltage Lockout (UVLO) or Minimum On-Time (MOT). It also offers adjustable current sensing and current limiting with programmable protection features, as well as a wide temperature range of up to 150°C. All this helps to make the device very reliable and efficient.In addition, the L9651-TR also offers very low power consumption, thanks to its Smart Speed technology, which allows it to reduce the average current consumption when it is in standby mode. This technology enables optimization of the current draw in applications such as portable battery-powered devices.

Conclusion

The L9651-TR is an advanced power management integrated circuit (PMIC) that is typically used in the field of power distribution switches, load drivers, level shifters, and current sense amplifiers. It is based on STMicroelectronics\' STripFET technology, and enables excellent features such as logic-level switching, hysteresis, slew-rate control, adjustable dead time, current sensing and current limiting with programmable protection features, and a wide temperature range. Additionally, it provides very low power consumption, thanks to its Smart Speed technology, allowing it to reduce the average current consumption when in standby mode. In summary, the L9651-TR is an ideal solution for a wide range of application fields.

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