BQ3287MT-SB2 Texas Instruments In Stock
BQ3287MT-SB2 is a real-time clock and calendar IC with embedded SRAM by Texas Instruments. Key specs: I2C interface, 3V battery backup, integrated crystal oscillator. From $25, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $25.0000(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Real-time clock with calendar function supporting year, month, day, hour, minute, and second tracking
- Integrated SRAM for non-volatile data storage with battery backup retention
- I2C serial interface for easy microcontroller integration with low pin count
- Automatic leap year compensation and century rollover support
- Ultra-low standby current for extended battery life in portable applications
Applications
The BQ3287MT-SB2 is well suited for embedded systems requiring timekeeping with battery backup, such as industrial controllers, smart meters, and medical monitoring equipment. It is also widely used in desktop and portable computing platforms to maintain system time during power-off states. Additionally, its compact design and I2C interface make it ideal for IoT edge devices and consumer electronics where board space and power consumption are critical constraints.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What interface does the BQ3287MT-SB2 use to communicate with a microcontroller?
The BQ3287MT-SB2 uses an I2C serial interface, allowing it to communicate with microcontrollers using just two signal lines (SDA and SCL). This makes integration straightforward and conserves GPIO pins on the host processor.
Does the BQ3287MT-SB2 support battery backup for timekeeping during power loss?
Yes, the BQ3287MT-SB2 supports a 3V battery backup supply. When the primary power supply is removed, the device automatically switches to the backup battery to maintain accurate timekeeping and preserve SRAM data without interruption.
What are the typical applications for the BQ3287MT-SB2?
The BQ3287MT-SB2 is commonly used in industrial control systems, smart meters, medical devices, and computing platforms that require reliable real-time clock functionality. Its low power consumption and I2C interface also make it suitable for IoT and portable consumer electronics applications.
Where can I buy the BQ3287MT-SB2 and what is the price?
The BQ3287MT-SB2 from Texas Instruments is available starting at $25. It is in stock and available for worldwide shipping through FindMyChip, where you can submit a quote request for volume pricing and lead time information.
Related Guides
SN74LVC14APWR Hex Schmitt-Trigger Inverter: Application Note and Design Guide
Complete design guide for the SN74LVC14APWR hex Schmitt-trigger inverter: thresholds, decoupling, oscillator design, package selection, and common pitfalls.
May 21, 2026
TPS62841DGRR Buck Converter Selection Guide: Ultra-Low 60 nA IQ for Battery-Powered IoT
How to choose the right TPS62841 variant for IoT, wearables, and wireless sensors: quiescent current, voltage range, package, and application examples.
May 21, 2026
TPS54160DGQR Selection Guide: How to Choose a 60V Step-Down Buck Converter
Complete selection guide for the TPS54160DGQR 60V/1.5A step-down converter. Compare specs, alternatives, and sourcing options for industrial and automotive designs.
May 20, 2026
LMV932MM Dual Low-Voltage CMOS Op-Amp: Application Design Guide
Complete application design guide for the LMV932MM dual rail-to-rail CMOS op-amp: supply decoupling, RRIO design rules, stability, and recommended circuits for 1.8V–5.5V battery-powered systems.
May 20, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $38.4600 | $38.46 |
| 100+ | $28.8500 | $2885.00 |
| 1000+ | $25.0000 | $25000.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”