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ISL9200IRZ-T from INTERSIL

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ISL9200IRZ-T

Manufacturer: INTERSIL

Charging System Safety Circuit

Partnumber Manufacturer Quantity Availability
ISL9200IRZ-T,ISL9200IRZT INTERSIL 6000 In Stock

Description and Introduction

Charging System Safety Circuit The ISL9200IRZ-T is a battery charger IC manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** INTERSIL  
- **Part Number:** ISL9200IRZ-T  
- **Package:** 20-Lead QFN (5x5mm)  
- **Input Voltage Range:** 4.5V to 28V  
- **Charging Voltage Range:** 3V to 4.4V (adjustable)  
- **Charge Current:** Up to 4A (programmable)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Control Interface:** I²C (for configuration and monitoring)  
- **Efficiency:** Up to 95%  
- **Protection Features:** Overvoltage, overcurrent, thermal shutdown, and battery temperature monitoring  

### **Descriptions:**  
The ISL9200IRZ-T is a high-efficiency, switch-mode battery charger IC designed for single-cell Li-ion/Li-polymer batteries. It integrates a synchronous buck converter and supports dynamic power management (DPM) to optimize charging based on input power availability.  

### **Features:**  
- **Programmable Charge Parameters:** Adjustable charge current, voltage, and termination via I²C.  
- **Dynamic Power Management (DPM):** Adjusts charge current based on input power limits.  
- **Integrated Synchronous Buck Converter:** High efficiency with minimal external components.  
- **Battery Temperature Monitoring:** Supports NTC thermistor for safe charging.  
- **Wide Input Voltage Range:** Compatible with various AC adapters and USB power sources.  
- **Safety Protections:** Includes overvoltage (OVP), overcurrent (OCP), and thermal shutdown.  
- **Status Indicators:** Charge status and fault reporting via I²C.  

This information is sourced from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Charging System Safety Circuit

Alternative Part Number

  • BQ24075RGTR --: Single-cell Li-ion battery charger with power-path management, functionally similar to the ISL9200 charger IC and widely available.
  • MCP73831T-2ACI/OT --: Compact single-cell Li-ion/Li-Po charge management controller offering comparable charging functionality in a small package.
  • LTC4054ES5-4.2#PBF --: Standalone linear Li-ion battery charger with similar charge control features, suitable as a drop-in functional replacement.

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