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ISL6291-1CRZ from INTERSIL

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ISL6291-1CRZ

Manufacturer: INTERSIL

Li-ion/Li Polymer Linear Battery Charger

Partnumber Manufacturer Quantity Availability
ISL6291-1CRZ,ISL62911CRZ INTERSIL 247 In Stock

Description and Introduction

Li-ion/Li Polymer Linear Battery Charger The ISL6291-1CRZ is a lithium-ion battery charger IC manufactured by **Intersil** (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on available factual information:

### **Specifications:**  
- **Manufacturer:** Intersil  
- **Part Number:** ISL6291-1CRZ  
- **Package:** 10-Lead DFN (3x3mm)  
- **Input Voltage Range:** 4.5V to 6.5V  
- **Charge Voltage Accuracy:** ±0.5%  
- **Programmable Charge Current:** Up to 1.5A  
- **Battery Voltage Range:** 2.5V to 4.2V (1-cell Li-ion)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Charge Termination:** Constant Voltage (CV) / Constant Current (CC)  
- **Standby Current:** <20µA  

### **Descriptions:**  
- The ISL6291-1CRZ is a **linear charger IC** designed for single-cell lithium-ion/polymer batteries.  
- It integrates **thermal regulation** to prevent overheating during charging.  
- Supports **automatic recharge** when battery voltage drops below a threshold.  
- Includes **charge status indicators** (LED or microcontroller interface).  

### **Features:**  
- **Precision Voltage Regulation:** Ensures accurate battery charging.  
- **Programmable Charge Current:** Adjustable via an external resistor.  
- **Thermal Foldback Protection:** Reduces charge current if temperature exceeds safe limits.  
- **Automatic Power Path Management:** Allows system operation while charging.  
- **Low Battery Leakage Current:** Minimizes discharge when not charging.  
- **Small Footprint:** DFN package for space-constrained applications.  

For detailed electrical characteristics, refer to the official **Intersil datasheet**.

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