XZ5003
1.5A linear Li-ion battery charger with fast charging capability for smartphones and tablets
Product Overview
Description
The XZ5003 is a high-current linear battery charger designed for fast charging of larger Li-ion batteries. It delivers up to 1.5A charge current with comprehensive safety features and automatic recharge capability.
The device operates from a 4.5V to 6.5V input voltage range and supports single-cell Li-ion and Li-polymer batteries. It features programmable charge current, battery temperature monitoring, and thermal regulation for safe operation.
Available in SOP-8 and DFN-8 packages, the XZ5003 is ideal for smartphones, tablets, power banks, and other devices with larger battery capacities requiring fast charging.
Product Series
XZ
Primary Application
Smartphones
Key Features
- High charge current up to 1.5A
- Programmable charge current
- ±1% charge voltage accuracy
- Automatic recharge
- Preconditioning for deeply discharged cells
- Thermal regulation
- Battery temperature monitoring
- Charge status and fault indicators
Specifications
| Input Voltage | 4.5V - 6.5V |
|---|---|
| Charge Current | Up to 1.5A (programmable) |
| Battery Type | Single-cell Li-ion/Li-poly |
| Charge Voltage | 4.2V (±1% accuracy) |
| Trickle Charge Current | 150mA |
| Operating Temperature | -40°C to +85°C |
| Package | SOP-8, DFN-8 |
Applications
Smartphones
Electronic system design
Tablets
Electronic system design
Power banks
Electronic system design
Portable media players
Electronic system design
Handheld gaming devices
Electronic system design
FAE Expert Insights
"The XZ5003 is our highest-current battery charger, designed for fast charging of larger batteries. The 1.5A capability can charge a 3000mAh battery in about 2 hours, which is important for user experience in smartphones and tablets. The thermal regulation is critical at these current levels - it automatically reduces current if the IC gets too hot. I always recommend good PCB copper area for heat dissipation when using this part. The battery temperature monitoring is essential for safety - always use an NTC thermistor. The charge status and fault indicators help with system monitoring. Overall, a robust fast charger for larger battery applications."
High-current 1.5A charger for fast charging of larger Li-ion batteries
— Kevin Wu, BeiLuo
Frequently Asked Questions
What is the maximum charge current of XZ5003?
XZ5003 supports charge currents up to 1.5A, programmable via external resistor. This high current enables fast charging of larger batteries. The actual charge current may be limited by thermal regulation to prevent overheating. For reliable operation, ensure adequate PCB copper area for heat dissipation.
Use XZ5003 for fast charging of larger batteries (>1000mAh); verify thermal capability at maximum current.