BU4938G-TR
- Mfr.Part #
- BU4938G-TR
- Manufacturer
- ROHM Semiconductor
- Package / Case
- SC-74A, SOT-753
- Datasheet
- Download
- Description
- IC SUPERVISOR 1 CHANNEL 5SSOP
- Stock
- 3,000
- In Stock :
- 3,000
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- ROHM Semiconductor
- Product Category :
- Supervisors
- ECCN Code :
- EAR99
- Published :
- 2009
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Max Power Dissipation :
- 540mW
- Number of Voltages Monitored :
- 1
- Terminal Position :
- Dual
- Max Supply Voltage :
- 7V
- Supply Voltage :
- 2.4V
- Pbfree Code :
- yes
- Factory Lead Time :
- 20 Weeks
- Max Reset Threshold Voltage :
- 3.838V
- Number of Terminations :
- 5
- Packaging :
- Tape and Reel (TR)
- Min Reset Threshold Voltage :
- 3.762V
- Number of Pins :
- 5
- Threshold Voltage :
- +3.8V
- Lead Free :
- Lead Free
- Type :
- Simple Reset/Power-On Reset
- Operating Temperature :
- -40°C~125°C TA
- Adjustable Threshold :
- No
- Number of Channels :
- 1
- Undervoltage Threshold :
- 3.762V
- Watchdog Timer :
- No
- Pin Count :
- 5
- Accuracy :
- 1 %
- RoHS Status :
- ROHS3 Compliant
- Output :
- Push-Pull, Totem Pole
- Operating Supply Current :
- 550nA
- Overvoltage Threshold :
- 3.838V
- Base Part Number :
- BU4938
- Terminal Form :
- Gull wing
- Reset :
- Active High/Active Low
- Voltage - Threshold :
- 3.8V
- Max Supply Current :
- 1.58μA
- Length :
- 2.9mm
- Mounting Type :
- Surface Mount
- Min Supply Voltage :
- 700mV
- Number of Functions :
- 1
- Quiescent Current :
- 500nA
- Package / Case :
- SC-74A, SOT-753
- Mount :
- Surface Mount
- Datasheets
- BU4938G-TR

Supervisors ROHM Semiconductor BU4938G-TR Overview
The BU4938G-TR from ROHM Semiconductor is a highly reliable IC supervisor designed to enhance system stability by monitoring power supply status. This compact, single-channel supervisor IC is packaged in a small 5SSOP format, making it ideal for space-constrained applications. Its primary function is to ensure that the system remains within operational voltage limits, thus preventing data loss and hardware damage during abnormal conditions. By integrating the BU4938G-TR into your designs, you can significantly enhance the resilience and reliability of your electronic systems.
BU4938G-TR Features
The BU4938G-TR IC offers a robust feature set tailored for effective power management:
- Single voltage monitoring capability for precise supervision.
- Low power consumption for enhanced battery life in portable devices.
- High accuracy threshold voltage for reliable operation.
- Compact 5SSOP packaging suitable for high-density board layouts.
- Extended operating temperature range, making it suitable for a variety of industrial applications.
BU4938G-TR Applications
- Consumer Electronics: Used in smartphones, tablets, and other portable devices to monitor battery voltage and prevent device failure due to unexpected power disruptions.
- Computing Systems: Integrated into laptops and desktops to oversee power supply health, ensuring stability and reliability during fluctuations in power input.
- Industrial Equipment: Employed in monitoring systems within manufacturing plants to safeguard sensitive machinery from voltage irregularities that could lead to operational downtime.
- Automotive: Utilized in vehicle electronics to monitor and control system voltage, contributing to safer and more reliable automotive performance.
- Telecommunications: Applied in network hardware such as routers and switches to ensure continuous operation by preventing power-related failures.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















