BQ24617RGER: High-Performance Lithium-Ion Battery Charger IC | Texas Instruments
BQ24617RGER: Texas Instruments' Advanced Lithium-Ion Battery Charger IC for High-Current Applications
The BQ24617RGER represents Texas Instruments' cutting-edge solution for lithium-ion/polymer battery charging, delivering unparalleled performance in power management integrated circuits (PMICs). This comprehensive guide explores every technical aspect of this industry-leading battery charger IC, optimized for engineers and procurement specialists searching for reliable high-current charging solutions.
In-Depth Technical Specifications
Power Architecture
This synchronous switch-mode charger IC features:
- Wide input voltage range: 4.5V to 24V operation
- High-efficiency topology: >95% efficiency at 10A output
- Adaptive output: Supports 2.1V to 21V battery packs
Charging Performance
The BQ24617RGER delivers:
- Programmable charge current: Up to 10A continuous
- Voltage accuracy: 0.5% charge voltage regulation
- Dynamic power management: Input current optimization
Advanced Features Breakdown
Intelligent Thermal Management
The IC incorporates:
- Junction temperature monitoring
- Automatic charge current reduction
- 125 C thermal shutdown threshold
Comprehensive Protection Suite
Safety features include:
- Input overvoltage protection (28V abs max)
- Battery overvoltage protection
- Charge timeout safety timer
- MOSFET failure detection
Design Implementation
Package Details
The 24-VQFN (4x4) package features:
- Exposed thermal pad for enhanced cooling
- 0.5mm pitch for high-density PCB layouts
- RoHS-compliant construction
Typical Application Circuit
Reference design includes:
- External component selection guidelines
- Layout recommendations for noise reduction
- Feedback network configuration
Comparative Market Analysis
When benchmarked against competing solutions, the BQ24617RGER offers:
- 20% higher efficiency than comparable ICs
- Broader input voltage range
- More precise ( 0.5% vs 1%) voltage regulation
Industry Applications
Medical Equipment
- Portable ultrasound machines
- Patient monitoring systems
- Surgical power tools
Industrial Systems
- Automated guided vehicles
Consumer Electronics
- High-capacity power banks
- Premium laptops
- Professional camera equipment
Design Resources
Texas Instruments provides:
- SPICE simulation models
- Evaluation module (BQ24617EVM)
- Detailed application notes
- Reference design calculators
Purchasing Information
Available through:
- Authorized distributors (Digi-Key, Mouser)
- Direct from TI webstore
- Volume pricing available
Conclusion
The BQ24617RGER establishes new benchmarks for lithium-ion battery charger ICs, combining Texas Instruments' power management expertise with robust protection features and exceptional efficiency. Its 10A charging capability and multi-cell support make it the ideal choice for demanding applications across medical, industrial, and consumer markets.
For design engineers requiring reliable, high-performance battery charging solutions, the BQ24617RGER delivers uncompromising quality backed by Texas Instruments' technical support and documentation resources.