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ISL9203CRZ-TR5220 from INTERSIL

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ISL9203CRZ-TR5220

Manufacturer: INTERSIL

Li-ion/Li Polymer Battery Charger

Partnumber Manufacturer Quantity Availability
ISL9203CRZ-TR5220,ISL9203CRZTR5220 INTERSIL 21870 In Stock

Description and Introduction

Li-ion/Li Polymer Battery Charger The ISL9203CRZ-TR5220 is a battery charger IC manufactured by INTERSIL (now part of Renesas Electronics). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** INTERSIL (now Renesas Electronics)  
- **Part Number:** ISL9203CRZ-TR5220  
- **Package:** 8-Lead DFN (Dual Flat No-Lead)  
- **Input Voltage Range:** 4.35V to 6.5V  
- **Charge Voltage:** 4.2V ±1% (adjustable)  
- **Charge Current:** Up to 1A (programmable)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Charge Termination:** Constant Voltage (CV) / Constant Current (CC)  
- **Pre-Charge Current:** Adjustable  
- **Charge Status Indicators:** Available (Open-Drain Outputs)  
- **Protection Features:**  
  - Thermal Shutdown  
  - Input Overvoltage Protection (OVP)  
  - Battery Overvoltage Protection  
  - Reverse Leakage Protection  

### **Descriptions:**  
- The ISL9203CRZ-TR5220 is a single-cell Li-ion/Li-polymer battery charger IC designed for portable applications.  
- It integrates a power MOSFET, current sensing, and reverse-blocking diode, reducing external component count.  
- Supports USB and AC adapter input power sources.  
- Features automatic recharge when battery voltage drops below a preset threshold.  

### **Features:**  
- **Linear Charger Architecture**  
- **Programmable Charge Current** via external resistor  
- **Automatic Power Source Detection** (USB/AC adapter)  
- **Low Dropout Voltage** for efficient charging  
- **Battery Temperature Monitoring** (with NTC support)  
- **Small Footprint** (3mm x 3mm DFN package)  
- **RoHS Compliant**  

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application circuits, refer to the official datasheet.

Application Scenarios & Design Considerations

Li-ion/Li Polymer Battery Charger

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