BU4924F-TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active High/Active Low
Reset Timeout:	--
Voltage - Threshold:	2.4V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-82
Supplier Device Package:	4-SOP
Base Part Number:	BU4924

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PMIC - Supervisors

PMIC, or Power Management Integrated Circuit, is a device designed to provide effective power management of Intel and other microprocessors. It features several components that work together to provide efficient, reliable and cost-effective power supply and power management solutions. A supervisor is a type of PMIC that monitors the power supply and system conditions of electronic systems. The BU4924F-TR is a PMIC - Supervisor from Rohm that is aimed at industrial and embedded applications.

BU4924F-TR Overview

The BU4924F-TR is a highly integrated multichannel system supervisor that combines current detection and overvoltage protection with a built-in comparator and watchdog timer. It provides the necessary voltage monitoring and reset control solution for Industrial and embedded applications. The device is designed to offer high performance, low standby current and SPACE-grade industrial temperature range -40°C to +125°C. It is provided in SOP-14L package, requiring only a low number of external components to provide all the necessary features.

BU4924F-TR Features

The BU4924F-TR system supervisor features a wide range of features designed for industrial and embedded applications, such as:

• Voltage monitor: The device features an adjustable voltage monitor for VCC and GND. Its wide operating range allows for monitoring voltage from 0.5V to 7V.
• Current Detection: The BU4924F-TR supports both over-current detection and under-current detection, allowing for better power supply design.
• Reset activation: The device includes an internal reset activation circuit which allows for reset activation without an external circuit.
• Wide Temperature range: The BU4924F-TR can operate within a wide temperature range of -40°C to +125°C.
• Power-on Reset circuit: The device includes a built-in power-on reset circuit which ensures that the system is correctly initialized when powered-up.
• Watchdog Timer: The device offers a watchdog timer that allows for power cycle reset protection.
• Low Standby Current: The device features a low standby current consumption, allowing the system to enter standby mode when not in use.

Block Diagram of BU4924F-TR Device

Application Field and Working Principle of BU4924F-TR

The BU4924F-TR PMIC- Supervisors is suitable for industrial and embedded application fields. It can be used in applications such as home appliances, automotive systems, industrial equipment, smart metering and communication systems, factory automation systems and medical equipment. In these applications, the device functions as a voltage monitor, over-current/under-current detector, power-on reset circuit, and watchdog timer. The BU4924F-TR is a highly integrated device that requires only a few external components to function. It includes an adjustable voltage monitor to monitor the voltage on VCC and GND lines, a comparator circuit to detect over-current/under-current and an internal reset activation circuit to activate the reset. The device also includes a power-on reset circuit and a watchdog timer to ensure the system is correctly initialized when powered-up. The low standby current consumption allows the device to enter the standby mode when not in use. The BU4924F-TR is designed to offer high performance and reliable operation in harsh environmental conditions. It is temperature-tested and meets industrial temperature range standards, precluding the need for a temperature-compensated on-chip MOSFET bias circuit in many cases. With its high performance and cost-effective design, the BU4924F-TR is ideal for industrial and embedded applications.

Conclusion

The BU4924F-TR PMIC-Supervisor from Rohm is a highly integrated device designed to provide Voltage moniter, Over-current/Under- current Detection, Power-on Reset Circuit and Watchdog Timer for industrial and embedded applications. It features a wide voltage monitoring range, overcurrent/undercurrent detection, an internal reset activation circuit, a power-on reset circuit and a watchdog timer. Its low standby current consumption and wide temperature range of -40°C to +125°C make it a cost-effective and reliable solution for industrial and embedded systems.

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