BD45261G-TR

Series:	BD45xxx
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:	90 ms Minimum
Voltage - Threshold:	2.6V
Operating Temperature:	-40°C ~ 105°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	5-SSOP
Base Part Number:	BD45

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Introduction to BD45261G-TR

BD45261G-TR is an application field and working principle supervisor designed to monitor the status of power supply lines to provide overvoltage, undervoltage, orange band, and reverse battery protection for electronic systems. It is produced by ROHM, a leading global supplier of semiconductor and integrated circuit (IC) solutions.

Features and Specifications

BD45261G-TR features a wide operating temperature range, low current consumption, and a low monitoring threshold, making it suitable for a variety of applications. The supervisor has a 10-pin HTSOP package with a minimum operating voltage of 2.7V, maximum current rating of 100mA, maximum power dissipation of 1.2W, and maximum reaction time of 2000 ns. It also features an inspectable output switch capable of open drain (OD) or open drain with pull up (PD) configurations. In addition, the supervisor has built-in protections such as undervoltage lockout (UVLO), overvoltage lockout (OVLO), orange band protection, and reverse battery detection.

Application Field

BD45261G-TR is ideal for industrial, automotive, and consumer applications that require reliable voltage monitoring and protection of power systems. It is suitable for 12V and 24V automotive supplies, and mobile battery back-up applications such as smartphones, tablets, and notebook PCs. The supervisor can also be used in low voltage systems such as embedded systems, 8-bit and 16-bit microprocessors, and digital signal processors (DSPs).

Working Principle

The working principle of BD45261G-TR is fairly straightforward. It monitors the voltage of a power supply line and detects an overvoltage, undervoltage, or reverse battery condition. When the measured voltage exceeds, or is lower than, the specified range, the supervisor generates a reset signal to the system, which is then forced to restart and operate safely in accordance with the set parameters.In terms of power supply line protection, the supervisor monitors and detects any overvoltage and undervoltage conditions, and issues a reset signal for the system to restart. The supervisor also detects and prevents overcurrent, short-circuit, and reverse connection. This provides reliable self-protection for the electronic system, as well as redundancy and stability of operation.

Conclusion

BD45261G-TR is an application field and working principle supervisor designed to monitor power supply lines to provide overvoltage, undervoltage, orange band, and reverse battery protection for electronic systems. Its features and specifications make it suitable for 12V and 24V automotive supplies, mobile battery back-up applications, and low voltage systems such as embedded systems, 8-bit and 16-bit microprocessors, and digital signal processors (DSPs). The supervisor monitors and detects any overvoltage and undervoltage conditions, and issues a reset signal for the system to restart, thereby providing reliable self-protection as well as redundancy and stability of operation.

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