BU4910F-TR
- Mfr.Part #
- BU4910F-TR
- Manufacturer
- ROHM Semiconductor
- Package / Case
- SC-82
- Datasheet
- Download
- Description
- IC SUPERVISOR 1 CHANNEL 4SOP
- Stock
- 2,975
- In Stock :
- 2,975
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- Manufacturer :
- ROHM Semiconductor
- Product Category :
- Supervisors
- Length :
- 2mm
- Number of Terminations :
- 4
- ECCN Code :
- EAR99
- Power Supplies :
- 2.5/5V
- Type :
- Simple Reset/Power-On Reset
- RoHS Status :
- ROHS3 Compliant
- Voltage - Threshold :
- 1V
- Adjustable Threshold :
- No
- Pin Count :
- 4
- Number of Pins :
- 4
- Accuracy :
- 1 %
- Pbfree Code :
- yes
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Watchdog Timer :
- No
- Operating Supply Current :
- 550nA
- Base Part Number :
- BU4910
- Package / Case :
- SC-82
- Quiescent Current :
- 300nA
- Output :
- Push-Pull, Totem Pole
- Terminal Form :
- Gull wing
- Mount :
- Surface Mount
- Threshold Voltage :
- +1
- Terminal Position :
- Dual
- Operating Temperature :
- -40°C~125°C TA
- Overvoltage Threshold :
- 1.01V
- Number of Voltages Monitored :
- 1
- Reset :
- Active High/Active Low
- Undervoltage Threshold :
- 990mV
- Supply Voltage :
- 2.4V
- Mounting Type :
- Surface Mount
- Max Supply Current :
- 880nA
- Max Reset Threshold Voltage :
- 1.01V
- Max Supply Voltage :
- 7V
- Factory Lead Time :
- 7 Weeks
- Number of Channels :
- 1
- Packaging :
- Tape and Reel (TR)
- Published :
- 2009
- Min Reset Threshold Voltage :
- 990mV
- Lead Free :
- Lead Free
- Max Power Dissipation :
- 400mW
- Min Supply Voltage :
- 700mV
- Number of Functions :
- 1
- Datasheets
- BU4910F-TR
BU4910F-TR Documents

Supervisors ROHM Semiconductor BU4910F-TR Overview
The ROHM Semiconductor BU4910F-TR is a robust supervisory circuit designed to monitor power supplies in microprocessor systems, providing essential safeguarding features for reliable operation. Tailored to ensure system integrity, this compact IC delivers monitoring precision in a small 4SOP package, suitable for dense PCB layouts. Its key role is to maintain system stability and functionality by monitoring the voltage levels and initiating necessary reset actions. This component is indispensable in applications where data integrity and system reliability are critical. By integrating the BU4910F-TR into your products, you ensure enhanced operational reliability and protection against power supply anomalies, making it a preferred choice for sophisticated electronic systems.
BU4910F-TR Features
The BU4910F-TR supervisor IC incorporates several features critical for system management, including a precise voltage monitoring system and low power consumption. This IC ensures that all connected subsystems remain within operational voltage limits, automatically resetting the system in the event of power failure or irregularities. Its small form factor and high reliability make it ideal for integrating into space-constrained environments while maintaining high performance.
BU4910F-TR Applications
- Computing Systems: Ensures that all components operate within safe voltage thresholds, managing resets after power disturbances to prevent data corruption.
- Consumer Electronics: Provides voltage supervision in devices like smartphones and tablets, contributing to overall device stability and user experience.
- Industrial Control Systems: Monitors power supply levels to safeguard sensitive industrial equipment against voltage fluctuations that can lead to operational failures.
- Automotive Electronics: Critical in managing the power conditions in automotive systems, ensuring electronics perform optimally under varying electrical conditions.
- Telecommunications Equipment: Plays a key role in maintaining the reliability of communication systems, ensuring they remain operational and reset properly after power failures.
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