BU4818F-TR
- Mfr.Part #
- BU4818F-TR
- Manufacturer
- ROHM Semiconductor
- Package / Case
- 4-TSOP (0.049, 1.25mm Width)
- Datasheet
- Download
- Description
- IC SUPERVISOR 1 CHANNEL 4SOP
- Stock
- 34,527
- In Stock :
- 34,527
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- Manufacturer :
- ROHM Semiconductor
- Product Category :
- Supervisors
- Adjustable Threshold :
- No
- Min Reset Threshold Voltage :
- 1.782V
- Number of Terminations :
- 4
- Reset :
- Active High/Active Low
- Lead Free :
- Lead Free
- Supply Voltage :
- 2.4V
- Terminal Form :
- Gull wing
- Number of Pins :
- 4
- ECCN Code :
- EAR99
- Max Supply Voltage :
- 7V
- Threshold Voltage :
- +1.8V
- Terminal Position :
- Dual
- Voltage - Threshold :
- 1.8V
- Accuracy :
- 1 %
- RoHS Status :
- ROHS3 Compliant
- Type :
- Simple Reset/Power-On Reset
- Operating Temperature :
- -40°C~125°C TA
- Min Supply Voltage :
- 900mV
- Output :
- Open Drain or Open Collector
- Pbfree Code :
- yes
- Operating Supply Current :
- 550nA
- Max Reset Threshold Voltage :
- 1.818V
- Packaging :
- Tape and Reel (TR)
- Number of Channels :
- 1
- Published :
- 2009
- Max Supply Current :
- 1.05μA
- Number of Functions :
- 1
- Power Supplies :
- 2.5/5V
- Pin Count :
- 4
- Base Part Number :
- BU48*
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Watchdog Timer :
- No
- Mounting Type :
- Surface Mount
- Max Power Dissipation :
- 400mW
- Number of Voltages Monitored :
- 1
- Package / Case :
- 4-TSOP (0.049, 1.25mm Width)
- Mount :
- Surface Mount
- Length :
- 2mm
- Factory Lead Time :
- 7 Weeks
- Datasheets
- BU4818F-TR
BU4818F-TR Documents

Supervisors ROHM Semiconductor BU4818F-TR Overview
The BU4818F-TR from ROHM Semiconductor is a highly reliable IC supervisor designed to enhance system stability by monitoring voltage levels. This compact supervisor IC, housed in a 4SOP package, is tailored for applications requiring precise voltage threshold management. The BU4818F-TR stands out for its ability to provide accurate voltage supervision, ensuring operational reliability and protecting against system failures due to fluctuating or improper supply voltages. Its integration into diverse systems highlights its versatility and importance in maintaining system integrity, making it an essential component for bulk purchasing by B2B customers looking to safeguard their electronic applications.
BU4818F-TR Features
The BU4818F-TR features a single voltage detection channel which simplifies system design and reduces component count. Its low power consumption is ideal for energy-sensitive applications, while its wide operating temperature range ensures reliability under varying environmental conditions. The supervisor IC also boasts a fast response time to voltage variations, which is critical for high-performance electronics requiring immediate reaction to ensure system stability.
BU4818F-TR Applications
- Consumer Electronics: In devices such as smartphones and tablets, the BU4818F-TR monitors power supply levels to prevent damage caused by unstable voltages, ensuring device longevity and user safety.
- Automotive Systems: It is used in automotive electronics to oversee sensor and ECU power supplies, crucial for maintaining performance and safety standards in vehicular operations.
- Industrial Equipment: The BU4818F-TR plays a vital role in monitoring power supplies in industrial control systems, preventing equipment failure due to voltage anomalies, thus ensuring continuous and reliable operations.
- Computing Systems: This supervisor IC ensures that computers and servers operate within safe voltage thresholds, protecting critical data and hardware from voltage-induced malfunctions.
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