BU4921G-TR
- Mfr.Part #
- BU4921G-TR
- Manufacturer
- ROHM Semiconductor
- Package / Case
- SC-74A, SOT-753
- Datasheet
- Download
- Description
- IC VOLT DETECTOR STD 5-SSOP
- Stock
- 2,416
- In Stock :
- 2,416
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- Manufacturer :
- ROHM Semiconductor
- Product Category :
- Supervisors
- Factory Lead Time :
- 20 Weeks
- Mount :
- Surface Mount
- Max Supply Voltage :
- 7V
- Undervoltage Threshold :
- 2.079V
- Package / Case :
- SC-74A, SOT-753
- Mounting Type :
- Surface Mount
- Max Power Dissipation :
- 540mW
- RoHS Status :
- ROHS3 Compliant
- Adjustable Threshold :
- No
- Packaging :
- Tape and Reel (TR)
- Operating Supply Current :
- 550nA
- Max Reset Threshold Voltage :
- 2.121V
- Accuracy :
- 1 %
- Quiescent Current :
- 350nA
- Reset :
- Active High/Active Low
- Pin Count :
- 5
- Length :
- 2.9mm
- Output :
- Push-Pull, Totem Pole
- Type :
- Simple Reset/Power-On Reset
- Terminal Position :
- Dual
- Published :
- 2009
- Max Supply Current :
- 1.05μA
- Terminal Form :
- Gull wing
- ECCN Code :
- EAR99
- Voltage - Threshold :
- 2.1V
- Pbfree Code :
- yes
- Number of Voltages Monitored :
- 1
- Min Reset Threshold Voltage :
- 2.079V
- Number of Pins :
- 5
- Overvoltage Threshold :
- 2.121V
- Number of Channels :
- 1
- Number of Terminations :
- 5
- Watchdog Timer :
- No
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Lead Free :
- Lead Free
- Min Supply Voltage :
- 700mV
- Threshold Voltage :
- +2.1V
- Number of Functions :
- 1
- Supply Voltage :
- 2.4V
- Operating Temperature :
- -40°C~125°C TA
- Datasheets
- BU4921G-TR

Supervisors ROHM Semiconductor BU4921G-TR Overview
The BU4921G-TR by ROHM Semiconductor is a precision voltage detector designed for applications requiring accurate monitoring and stable operation. This IC excels in ensuring system reliability and protection by providing timely responses to voltage fluctuations. The compact 5SSOP package allows for seamless integration into space-constrained designs, making it an ideal choice for sophisticated electronic systems. The voltage detector's ability to operate over a wide temperature range ensures adaptability in various operating environments, promoting its use in both industrial and consumer electronic applications. With its commitment to quality and performance, the Supervisors ROHM Semiconductor BU4921G-TR is essential for designers aiming to enhance system integrity and ensure consistent performance.
BU4921G-TR Features
This voltage detector features a precise voltage threshold, low power consumption, and a rapid response time, which are critical for maintaining system stability and performance. The device's built-in hysteresis effect also prevents output chattering caused by noise, thereby enhancing its reliability. Additionally, its operation across a broad temperature range makes it versatile for diverse applications.
BU4921G-TR Applications
- Power Supply Monitoring: Ensures that all connected electronic components receive stable voltages, preventing damage due to voltage spikes or drops.
- System Reset: Automatically initiates system resets in microcontrollers and other digital devices to recover from unstable conditions or errors.
- Portable Devices: Used in mobile phones, portable gaming systems, and other battery-operated devices to monitor battery status and manage power consumption efficiently.
- Automotive Applications: Monitors car battery and power system to provide early warnings of potential system failures, contributing to vehicle reliability and safety.
- Industrial Equipment: Critical in safeguarding sensitive industrial machinery against irregular voltage levels that could lead to operational disruptions.
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