BU4911G-TR
- Mfr.Part #
- BU4911G-TR
- Manufacturer
- ROHM Semiconductor
- Package / Case
- SC-74A, SOT-753
- Datasheet
- Download
- Description
- IC SUPERVISOR 1 CHANNEL 5SSOP
- Stock
- 3,317
- In Stock :
- 3,317
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- Manufacturer :
- ROHM Semiconductor
- Product Category :
- Supervisors
- Quiescent Current :
- 300nA
- Max Supply Current :
- 880nA
- Number of Terminations :
- 5
- Length :
- 2.9mm
- Overvoltage Threshold :
- 1.111V
- Min Supply Voltage :
- 700mV
- Number of Channels :
- 1
- Max Supply Voltage :
- 7V
- Max Power Dissipation :
- 540mW
- Terminal Form :
- Gull wing
- Number of Voltages Monitored :
- 1
- Lead Free :
- Lead Free
- Pbfree Code :
- yes
- Packaging :
- Tape and Reel (TR)
- Undervoltage Threshold :
- 1.089V
- Output :
- Push-Pull, Totem Pole
- Base Part Number :
- BU4911
- Accuracy :
- 1 %
- Number of Functions :
- 1
- Terminal Position :
- Dual
- Voltage - Threshold :
- 1.1V
- Threshold Voltage :
- +1.1V
- Max Reset Threshold Voltage :
- 1.111V
- RoHS Status :
- ROHS3 Compliant
- Adjustable Threshold :
- No
- Mounting Type :
- Surface Mount
- Reset :
- Active High/Active Low
- Pin Count :
- 5
- Watchdog Timer :
- No
- Operating Temperature :
- -40°C~125°C TA
- Operating Supply Current :
- 550nA
- Supply Voltage :
- 2.4V
- Package / Case :
- SC-74A, SOT-753
- ECCN Code :
- EAR99
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Pins :
- 5
- Factory Lead Time :
- 20 Weeks
- Type :
- Simple Reset/Power-On Reset
- Min Reset Threshold Voltage :
- 1.089V
- Mount :
- Surface Mount
- Published :
- 2009
- Datasheets
- BU4911G-TR
BU4911G-TR Documents

Supervisors ROHM Semiconductor BU4911G-TR Overview
The BU4911G-TR from ROHM Semiconductor is a highly reliable voltage supervisor IC, designed to ensure stable operation in critical applications where voltage monitoring is necessary. This IC integrates a precision voltage detector and a fixed delay time generator, making it an essential component for managing system health and integrity. With its small footprint in a 5SSOP package, the BU4911G-TR offers a compact solution for embedded systems, enhancing the overall reliability and performance by monitoring the supply voltage and initiating a system reset when necessary. This supervisor IC is particularly suited for applications requiring stringent voltage thresholds and timing accuracy to prevent system failures and data loss.
BU4911G-TR Features
This supervisor IC incorporates several key features that make it an optimal choice for safety-critical and high-reliability environments:
- Single channel voltage detection
- Low power consumption
- Fixed delay time generation
- Compact 5SSOP packaging for minimal footprint
- High precision monitoring suitable for tight voltage margins
BU4911G-TR Applications
- Computing Systems: Used to monitor power supplies in servers and PCs, ensuring system stability and preventing data corruption during unexpected voltage drops.
- Consumer Electronics: Integral in smartphones, tablets, and other portable devices to manage power efficiently and safeguard against battery voltage irregularities.
- Industrial Equipment: Monitors voltage levels in industrial control systems, providing timely resets to prevent operational disruptions caused by power instability.
- Telecommunication: Ensures reliable operation of telecommunication infrastructure by overseeing power supply stability, crucial for maintaining communication integrity.
- Automotive Electronics: Used in vehicle electronics to monitor supply voltages, ensuring critical systems such as engine controls and safety mechanisms are operating within specified voltage ranges.
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