BU45K282G-TL Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Voltage Detector
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	120 ms Minimum
Voltage - Threshold:	2.8V
Operating Temperature:	-40°C ~ 105°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	3-SSOP

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Introduction

The BU45K282G-TL is a Multi-output PMIC (power management integrated circuit) from Renesas Electronics. This PMIC belongs to the field of Supervisors, which are usually meant to monitor and provide a response to power related events in the system or device. The BU45K282G-TL is designed to offer high performance power management and protection functions in small form factor and cost-effective applications.

Features and Benefits

The BU45K282G-TL provides a variety of power management and protection functions, as well as other features to enhance system reliability and performance. Some of the main features and benefits of the BU45K282G-TL PMIC include:

• 9B12 voltage detectors to ensure accuracy and reliability with temperature, voltage and load variations
• 4A17 fault detectors to protect against overvoltages, overcurrents and AC line transients
• 3A4F Two-Step Sequential Outputs to improve transient response
• 0E64 Wide Input Voltage Range
• 8J20 Resistor Array to simplify power sequencing, response time adjustment and reliability
• 2F92 Low Power Consumption
• 6N18 High-speed Shutdown

Applications

The BU45K282G-TL PMIC is suitable for a variety of medium to high power applications in the automotive, consumer, industrial and medical sectors.

• Automotive: Enable/Disable Control for Drivers, Door Openers, Window Motors, etc.
• Consumer: Set-Top Boxes, Blu-ray Disc Players, White Goods and Home Appliances, Electronic Toys, etc.
• Industrial: Motor Control and Protection, Lighting control, Heating control, etc.
• Medical: Medical Imaging, Medical Diagnostic Equipment, etc.

Working Principle

The BU45K282G-TL PMIC has a variety of power management and protection functions that enable it to provide reliable, efficient power to applications. It has voltage and fault detectors, two-step sequential outputs and a resistor array, all of which work together to protect the system or device from overcurrents and other power related flaws. The voltage detector in the BU45K282G-TL ensures accuracy and reliability when the system encounters temperature, voltage and load variations. The overvoltage and overcurrent fault detection systems ensure reliable protection against AC line transients. The two-step sequential outputs help improve transient response times and the resistor array simplifies power sequencing, response time adjustment and boosts system reliability. Finally, the low power consumption and high-speed shutdown help ensure that the system power management and protection functions are always running efficiently.

Conclusion

The BU45K282G-TL PMIC is a reliable and cost-effective power management integrated circuit designed for medium to high power applications in multiple sectors. It offers users a variety of power management and protection functions, as well as other features to improve system reliability and performance. The voltage and fault detectors, two-step sequential outputs and resistor array help provide reliable, efficient power to the system while minimizing power consumption and ensuring rapid shutdowns.

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