XZ5002
XZ5002 2A switch-mode Li-ion charger with high efficiency and power path
Product Overview
Description
The XZ5002 is a high-efficiency switch-mode battery charger with integrated power path management. It enables simultaneous system operation and battery charging.
Supporting up to 2A charge current with 95% efficiency, this charger minimizes heat generation and enables faster charging compared to linear solutions.
The power path management allows the system to operate from the adapter while charging the battery, or seamlessly switch to battery power when adapter is removed.
Product Series
XZ
Primary Application
Tablets
Key Features
- High efficiency
- Power path management
- 2A charge current
- Input current limiting
- System power management
- I2C interface
Specifications
| Input Voltage | 4.5V - 13.5V |
|---|---|
| Charge Current | Programmable up to 2A |
| Battery Voltage | 4.2V / 4.35V ±0.5% |
| Efficiency | Up to 95% |
| Power Path | Yes |
| Input Current Limit | Yes |
| Protection | OVP, OCP, OTP, short circuit |
| Package | QFN4x4-16 |
Applications
Tablets
Electronic system design
Portable media players
Electronic system design
Industrial handhelds
Industrial automation and control
Medical devices
Medical electronics
High-capacity power banks
Electronic system design
FAE Expert Insights
"For high-current charging applications, the XZ5002 is excellent. The switch-mode topology with 95% efficiency significantly reduces heat compared to linear chargers. The power path management is a key feature that allows the system to operate while charging, with seamless power switching. I recommend this for any application requiring 1A+ charge current or where thermal management is critical."
High-efficiency switch-mode charger with power path
— David Wang, BeiLuo
Frequently Asked Questions
What are the key specifications and parameters of XZ5002?
The XZ5002 is a high-performance Battery Chargers from Xinzhou Electronics. Key specifications include Input Voltage: 4.5V - 13.5V, Charge Current: Programmable up to 2A, Battery Voltage: 4.2V / 4.35V ±0.5%. This IC features wide input voltage range, high efficiency topology, comprehensive protection mechanisms including over-current, over-voltage, and thermal protection. The device offers excellent load regulation and line regulation performance, with fast transient response to handle dynamic load changes. Please refer to the official datasheet for complete electrical characteristics, timing diagrams, and application curves.
Review the datasheet for complete specifications. Contact BeiLuo FAE for application-specific recommendations and design guidance.
What are the operating conditions and design requirements for XZ5002?
For proper operation of XZ5002: (1) Input voltage must be maintained within the specified range to ensure stable output regulation. (2) Output current should not exceed the maximum rating to prevent thermal overload. (3) PCB layout requires careful attention to high-current paths and thermal vias for optimal heat dissipation. (4) Input and output capacitors should be placed close to the IC pins with minimal trace length. (5) For EMI-sensitive applications, proper filtering and shielding techniques should be implemented. (6) Thermal management must be considered based on ambient temperature and airflow conditions. Contact BeiLuo FAE for detailed design review and layout recommendations.
Follow the recommended operating conditions in the datasheet. Contact FAE for thermal analysis and layout optimization.
How does XZ5002 compare to competitive solutions from TI, ADI, or MPS?
The XZ5002 offers competitive advantages compared to alternatives from TI, ADI, and MPS. Xinzhou products typically provide comparable or better electrical performance at more competitive price points. Key advantages include: (1) Higher efficiency in similar package sizes, reducing thermal design challenges. (2) Faster transient response minimizing output voltage deviation during load steps. (3) Lower quiescent current extending battery life in portable applications. (4) Comprehensive protection features ensuring system reliability. (5) Local technical support from BeiLuo FAE team with faster response times. (6) Better supply availability and shorter lead times for China-based customers. For specific parameter comparisons, request the competitive analysis document from BeiLuo sales team.
Evaluate based on your specific requirements for performance, cost, and support. Request samples for direct comparison testing in your application.
What are the typical applications and use cases for XZ5002?
The XZ5002 is designed for Battery Chargers applications across multiple industries. Typical applications include: (1) Consumer Electronics: smartphones, tablets, laptops, and portable devices requiring efficient power management. (2) Industrial Equipment: factory automation, process control systems, and instrumentation needing reliable power supplies. (3) Telecommunications: base stations, routers, and network equipment with demanding power requirements. (4) Automotive Electronics: infotainment systems, ADAS modules, and body electronics requiring AEC-Q100 qualified components. (5) IoT Devices: smart home products, wireless sensors, and battery-powered applications. (6) Medical Devices: portable diagnostic equipment and patient monitoring systems. The wide operating range and robust protection features make it suitable for both consumer and industrial environments.
Ideal for applications requiring high efficiency and reliable power management. Verify specifications match your specific voltage and current requirements.
What is the lead time, MOQ, pricing, and availability for XZ5002?
For XZ5002: (1) Standard lead time is 4-6 weeks for production orders from Xinzhou manufacturing facilities. (2) BeiLuo maintains strategic inventory for popular products enabling faster delivery - check current stock status with our sales team. (3) Minimum Order Quantity (MOQ) is typically 3,000 pieces for standard production orders, with sample quantities available for evaluation. (4) Volume pricing is available with competitive discounts at 3K, 10K, 50K, and 100K+ quantity breaks. (5) For large volume commitments, special pricing and dedicated inventory programs can be negotiated. (6) Samples are available for qualified customers with minimal lead time for prototyping and validation. Contact BeiLuo sales for current stock status, detailed pricing, and project-specific delivery scheduling.
Contact sales for current lead times and availability. Plan for standard production lead times or inquire about stock availability for immediate needs.
What are the recommended external components and PCB layout guidelines for XZ5002?
For optimal performance with XZ5002: (1) Input capacitor: Use ceramic capacitors with X5R or X7R dielectric, placed close to the IC input pins to minimize switching noise. (2) Output capacitor: Select low-ESR ceramic capacitors for stable output regulation and good transient response. (3) Inductor: Choose shielded inductors with appropriate current rating and low DCR for high efficiency. (4) PCB layout: Keep high-current traces short and wide, use multiple vias for thermal dissipation, and maintain proper grounding. (5) Thermal management: Ensure adequate copper area for heat sinking, consider thermal vias to inner ground planes. (6) EMI considerations: Implement proper filtering, minimize loop areas for high-frequency switching paths. Refer to the application note for detailed layout recommendations and component selection guides.
Follow the recommended component values in the datasheet. Contact FAE for layout review and optimization recommendations.
What protection features and safety mechanisms does XZ5002 include?
The XZ5002 includes comprehensive protection features to ensure safe and reliable operation: (1) Over-Current Protection (OCP): Cycle-by-cycle current limiting prevents damage during output short circuits or overload conditions. (2) Over-Voltage Protection (OVP): Monitors output voltage and shuts down the converter if voltage exceeds safe limits. (3) Under-Voltage Lockout (UVLO): Prevents operation when input voltage is insufficient, ensuring proper startup behavior. (4) Thermal Shutdown (TSD): Automatically disables the device if junction temperature exceeds safe operating limits, with automatic restart when cooled. (5) Soft-Start Function: Gradually ramps output voltage to prevent inrush current and voltage overshoot during startup. (6) Power-Good Indicator: Provides status signal when output voltage is within regulation. These protection features make the device suitable for demanding applications requiring high reliability.
Verify protection features meet your system safety requirements. Contact FAE for protection feature customization if needed.
How do I troubleshoot common issues with XZ5002 in my design?
Common troubleshooting for XZ5002: (1) Output voltage ripple: Check output capacitor ESR and value, ensure proper grounding, add additional filtering if needed. (2) Thermal issues: Verify adequate heat sinking, check switching frequency settings, reduce load current or improve airflow. (3) Startup problems: Confirm input voltage meets UVLO requirements, check soft-start capacitor value, verify enable pin connection. (4) EMI concerns: Optimize PCB layout minimizing loop areas, add input filtering, consider shielding for sensitive applications. (5) Efficiency concerns: Verify inductor DCR is low enough, check switching losses at operating frequency, optimize load current range. (6) Stability issues: Ensure output capacitance meets minimum requirements, check compensation network values. For persistent issues, contact BeiLuo FAE team for detailed troubleshooting assistance and design review.
Follow systematic troubleshooting approach. Contact FAE for complex issues requiring design review.