BU4943G-TR
- Mfr.Part #
- BU4943G-TR
- Manufacturer
- ROHM Semiconductor
- Package / Case
- SC-74A, SOT-753
- Datasheet
- Download
- Description
- IC SUPERVISOR 1 CHANNEL 5SSOP
- Stock
- 14,403
- In Stock :
- 14,403
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- Manufacturer :
- ROHM Semiconductor
- Product Category :
- Supervisors
- Number of Pins :
- 5
- Overvoltage Threshold :
- 4.343V
- Accuracy :
- 1 %
- Number of Terminations :
- 5
- Length :
- 2.9mm
- Supply Voltage :
- 2.4V
- Reset :
- Active High/Active Low
- Number of Channels :
- 1
- Max Supply Current :
- 1.75μA
- Pbfree Code :
- yes
- Type :
- Simple Reset/Power-On Reset
- Packaging :
- Tape and Reel (TR)
- Operating Supply Current :
- 550nA
- Number of Voltages Monitored :
- 1
- Published :
- 2009
- Terminal Position :
- Dual
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Base Part Number :
- BU4943
- Terminal Form :
- Gull wing
- Threshold Voltage :
- +4.3V
- Mount :
- Surface Mount
- Min Reset Threshold Voltage :
- 4.257V
- Mounting Type :
- Surface Mount
- Max Supply Voltage :
- 7V
- Watchdog Timer :
- No
- Min Supply Voltage :
- 700mV
- Factory Lead Time :
- 20 Weeks
- Adjustable Threshold :
- No
- Number of Functions :
- 1
- Output :
- Push-Pull, Totem Pole
- Pin Count :
- 5
- Max Power Dissipation :
- 540mW
- Undervoltage Threshold :
- 4.257V
- Operating Temperature :
- -40°C~125°C TA
- ECCN Code :
- EAR99
- Max Reset Threshold Voltage :
- 4.343V
- Package / Case :
- SC-74A, SOT-753
- Quiescent Current :
- 550nA
- RoHS Status :
- ROHS3 Compliant
- Voltage - Threshold :
- 4.3V
- Datasheets
- BU4943G-TR

Supervisors ROHM Semiconductor BU4943G-TR Overview
The ROHM Semiconductor BU4943G-TR is a cutting-edge Supervisors IC designed for critical system monitoring functions. This compact, high-performance chip offers a robust solution for applications requiring reliable voltage monitoring to prevent system failures. Engineered by ROHM, a leader in semiconductor innovation, the BU4943G-TR is housed in a 5SSOP package, ensuring a minimal footprint on system boards while providing high functional density. The device is particularly suitable for designs where space is at a premium but performance cannot be compromised.
BU4943G-TR Features
The BU4943G-TR IC boasts a range of features designed for system stability and safety. Key attributes include a single supervisory channel, facilitating precise voltage monitoring and reset functionality. The IC’s ability to operate over a wide temperature range makes it adaptable to varying operational environments, enhancing its reliability in diverse applications. Its low power consumption is critical for portable and battery-operated devices, ensuring efficient power management.
BU4943G-TR Applications
- Consumer Electronics: Used in devices such as smartphones and tablets to monitor power supply and prevent data loss during critical low-battery conditions.
- Automotive Systems: Ensures reliable system operation by monitoring power supply stability in vehicle electronics, crucial for safety and performance.
- Industrial Equipment: Monitors voltage levels in industrial machinery to safeguard against power anomalies that could lead to operational disruptions or hardware damage.
- Portable Devices: Ideal for battery-operated portable devices, providing vital power management to extend battery life and enhance device reliability.
- Telecommunication Systems: Used in communication infrastructure to monitor and maintain stable power supply, ensuring uninterrupted service.
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