BU4938F-TR
- Mfr.Part #
- BU4938F-TR
- Manufacturer
- ROHM Semiconductor
- Package / Case
- SC-82
- Datasheet
- Download
- Description
- IC SUPERVISOR 1 CHANNEL 4SOP
- Stock
- 2,940
- In Stock :
- 2,940
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- Manufacturer :
- ROHM Semiconductor
- Product Category :
- Supervisors
- Terminal Form :
- Gull wing
- Output :
- Push-Pull, Totem Pole
- Type :
- Simple Reset/Power-On Reset
- Max Supply Voltage :
- 7V
- Base Part Number :
- BU4938
- Packaging :
- Tape and Reel (TR)
- Supply Voltage :
- 2.4V
- Length :
- 2mm
- Min Supply Voltage :
- 700mV
- ECCN Code :
- EAR99
- Lead Free :
- Lead Free
- Number of Pins :
- 4
- Factory Lead Time :
- 7 Weeks
- Reset :
- Active High/Active Low
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Overvoltage Threshold :
- 3.838V
- Power Supplies :
- 2.5/5V
- Number of Functions :
- 1
- Accuracy :
- 1 %
- RoHS Status :
- ROHS3 Compliant
- Adjustable Threshold :
- No
- Terminal Position :
- Dual
- Published :
- 2009
- Number of Voltages Monitored :
- 1
- Operating Supply Current :
- 550nA
- Max Power Dissipation :
- 400mW
- Max Reset Threshold Voltage :
- 3.838V
- Pin Count :
- 4
- Mounting Type :
- Surface Mount
- Threshold Voltage :
- +3.8V
- Undervoltage Threshold :
- 3.762V
- Mount :
- Surface Mount
- Quiescent Current :
- 500nA
- Number of Terminations :
- 4
- Watchdog Timer :
- No
- Pbfree Code :
- yes
- Max Supply Current :
- 1.58μA
- Package / Case :
- SC-82
- Min Reset Threshold Voltage :
- 3.762V
- Number of Channels :
- 1
- Voltage - Threshold :
- 3.8V
- Operating Temperature :
- -40°C~125°C TA
- Datasheets
- BU4938F-TR

Supervisors ROHM Semiconductor BU4938F-TR Overview
The ROHM Semiconductor BU4938F-TR is a state-of-the-art Supervisory IC designed to ensure reliable operation of microprocessors and other sensitive electronic systems. This IC is specially crafted to monitor the system voltage and automatically reset the system when necessary, preventing system failures and data corruption. The BU4938F-TR, housed in a compact 4SOP package, offers precision voltage monitoring suitable for high-density applications where space is at a premium. Its robust design and advanced functionality make it ideal for meeting stringent requirements of modern electronic systems, ensuring both safety and efficiency in operations. This Supervisory IC from ROHM Semiconductor is an essential component for developers looking to enhance system reliability and performance.
BU4938F-TR Features
The BU4938F-TR IC features include a precise voltage monitoring capability, a manual reset input, and low power consumption. Its compact 4SOP package allows for easy integration into system designs without compromising on reliability. Additionally, the IC's wide operating temperature range ensures performance stability in various environmental conditions.
BU4938F-TR Applications
- Computing Systems: Ensures stable operation and prevents system crashes by monitoring and resetting the CPU in personal computers and servers when voltage drops below a critical threshold.
- Consumer Electronics: Provides voltage supervision in devices like smartphones and gaming consoles, enhancing device reliability and user experience by preventing unexpected shutdowns and data loss.
- Industrial Equipment: Critical in monitoring systems in factory automation and control systems, where precise voltage levels are essential for maintaining operational accuracy and safety.
- Automotive Systems: Utilized in automotive electronics to monitor and control system voltages, crucial for ensuring the proper functioning of safety-critical systems under variable voltage conditions.
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