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
What are the key features of BQ3287MT-SB2?
- 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
What is BQ3287MT-SB2 used for?
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) |
What are equivalent replacements for BQ3287MT-SB2?
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
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 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.
More from Texas Instruments
| 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.”