SC2770
AEC-Q100 qualified fuel gauge for automotive applications with wide temperature range and high reliability
Product Overview
Description
The SC2770 is an automotive-grade fuel gauge IC that meets AEC-Q100 qualification requirements. It provides accurate battery monitoring for automotive applications including infotainment systems, telematics, and portable electronics used in vehicles.
The device operates over a wide temperature range (-40°C to +85°C ambient) and provides robust performance under harsh automotive conditions. Advanced impedance tracking maintains accuracy throughout the battery lifetime.
Comprehensive diagnostics and reporting capabilities support automotive safety requirements. The device communicates via I2C and provides detailed battery status information to the vehicle's systems.
Product Series
SC
Primary Application
Automotive infotainment
Key Features
- AEC-Q100 qualified (Grade 3)
- Wide temperature range (-40°C to +85°C)
- Impedance tracking technology
- Automotive-grade reliability
- Comprehensive diagnostics
- I2C interface with CRC
- QFN-16 package
Specifications
| Battery Type | Single-cell Li-ion/Li-polymer |
|---|---|
| Voltage Accuracy | ±5mV |
| Current Accuracy | ±1% |
| SOC Accuracy | 3-5% |
| Interface | I2C |
| Package | QFN-16 |
| Temperature Range | -40°C to +85°C |
Applications
Automotive infotainment
Automotive and EV electronics
Telematics systems
Electronic system design
Portable automotive electronics
Automotive and EV electronics
Emergency call systems
Electronic system design
Fleet management devices
Electronic system design
FAE Expert Insights
"The SC2770 is SouthChip's automotive-qualified fuel gauge, and it's a solid choice for in-vehicle battery monitoring. The AEC-Q100 qualification means it's been through rigorous reliability testing including temperature cycling, mechanical stress, and ESD testing. The wide temperature range is critical for automotive applications where cabin temperatures can vary from below freezing to over 70°C. I've worked with several Tier 1 automotive suppliers using this part for infotainment systems. The CRC-protected I2C communication adds an extra layer of safety for automotive applications. Key design considerations: use automotive-grade passives, ensure proper thermal management for under-hood mounting if applicable, and implement proper EMI filtering for the harsh automotive electrical environment. The QFN-16 package provides good thermal performance and is suitable for automated assembly. This is a reliable, automotive-proven fuel gauge solution."
AEC-Q100 qualified fuel gauge for automotive battery monitoring applications
— David Wang, BeiLuo
Frequently Asked Questions
What AEC-Q100 grade is SC2770 qualified to?
The SC2770 is qualified to AEC-Q100 Grade 3: (1) Temperature range - -40°C to +85°C ambient. (2) Testing - Full AEC-Q100 qualification including temperature cycling, mechanical stress, ESD, and EMC testing. (3) Reliability - Automotive-grade reliability for safety-critical applications. (4) PPAP support - Production Part Approval Process documentation available. (5) Traceability - Full lot traceability for automotive supply chain requirements.
Contact LiTong for automotive qualification documentation and PPAP support.
What makes SC2770 suitable for automotive applications?
SC2770 automotive features: (1) AEC-Q100 qualification - Meets automotive reliability standards. (2) Wide temperature range - Operates reliably from -40°C to +85°C. (3) Robust design - Enhanced ESD and EMI protection for automotive electrical environment. (4) CRC protection - I2C communication includes CRC for data integrity. (5) Diagnostics - Comprehensive fault detection and reporting. (6) Long-term supply - Automotive-grade supply chain support with long product lifetime commitment.
Contact LiTong for automotive application design guidance.
FAQ 3 for SC2770?
This is additional FAQ information for SC2770. Contact LiTong for detailed technical support and application guidance.
Contact LiTong for technical support.
FAQ 4 for SC2770?
This is additional FAQ information for SC2770. Contact LiTong for detailed technical support and application guidance.
Contact LiTong for technical support.
FAQ 5 for SC2770?
This is additional FAQ information for SC2770. Contact LiTong for detailed technical support and application guidance.
Contact LiTong for technical support.