BU4245G-MTR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	Adjustable/Selectable
Voltage - Threshold:	4.5V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	5-SSOP
Base Part Number:	BU4245

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BU4245G-MTR Application Field and Working Principle

The BU4245G-MTR is a series of integrated circuits (ICs) from the ROHM Semiconductor’s Bipolar Supervisors category. It is a low-cost and low-power supervisor IC capable of monitoring multiple voltage rails on an android system. With its quick response time, support for multiple protection functions, and high-stability operation, the BU4245G-MTR makes an ideal supervisor circuit in a variety of applications where it can monitor voltages and help protect the system from over-voltage or over-current situations.The BU4245G-MTR is primarily used as a voltage monitoring circuit in systems that operate on multiple voltage rails, such as an android phone. It monitors the voltage of the system\'s primary and secondary rails, checks the temperature in the system, and shuts off when it senses an over-voltage situation. The BU4245G-MTR also features an internal voltage monitor circuit with an adjustable threshold voltage. This circuit is used to detect low voltages and shut off the power when needed.In addition to voltage and temperature monitoring, the BU4245G-MTR also includes various protection functions such as short detection and dual timer function to prevent over-current situations. It also offers a wide operating temperature range, making it suitable for both low-temperature and high-temperature applications. The BU4245G-MTR also has UVLO protection that shuts off power when the voltage drops below a certain level and prevents the system from damaging itself if the voltage drops below a certain level.The BU4245G-MTR IC is designed in a very small 3mm x 3mm package, making it easy to safely integrate into any system. It is designed with an adjustable rising and falling delay and power-off with a reset output. The IC also supports active initialization and has a maximum operating frequency of 20MHz, making it suitable for high-speed systems.The BU4245G-MTR has a wide application range and can be used in a number of electronic systems, including mobile phones, tablets, notebooks, and audio systems. It is well-suited for applications that require high-accuracy voltage monitoring and reliable operation.The BU4245G-MTR is an ideal choice for battery-operated applications because of its low-power consumption and wide operating temperature range. The IC has a reset output and an adjustable over-voltage protection setting for applications where the voltage threshold can be adjusted as needed.To summarise, the BU4245G-MTR IC from ROHM Semiconductor\'s Bipolar Supervisors category is an ideal voltage monitoring solution for various systems that operate on multiple voltage rails. It has an integrated voltage monitor circuit, a temperature monitor, an active initialization function, and a wide operating temperature range. The BU4245G-MTR also features over-voltage protection, dual timer function, and UVLO protection. Its small 3mm x 3mm package size and low-power consumption make it ideal for battery-operated applications. It is suitable for mobile phones, tablets, notebooks, and audio systems.

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