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uc3902 from UC

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uc3902

Manufacturer: UC

Load Share Controller

Partnumber Manufacturer Quantity Availability
uc3902 UC 2500 In Stock

Description and Introduction

Load Share Controller The UC3902 is a battery charger controller IC manufactured by Texas Instruments. Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** Up to 40V  
- **Output Voltage Range:** Adjustable for 2V to 36V battery systems  
- **Charging Current:** Programmable via an external sense resistor  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 16-Pin DIP (Dual In-Line Package) or SOIC (Small Outline IC)  

### **Descriptions:**  
- Designed for **lead-acid battery charging** applications.  
- Implements a **three-stage charging process** (bulk, absorption, and float modes).  
- Includes **voltage and current regulation** for precise charging control.  
- Features **thermal shutdown** and **overcurrent protection** for safety.  

### **Features:**  
- **Three-Stage Charging Algorithm:** Optimizes battery life by transitioning between bulk, absorption, and float modes.  
- **Programmable Voltage & Current:** Adjustable via external resistors.  
- **Charge Status Indicators:** Provides outputs for charge status monitoring.  
- **Low Standby Current:** Reduces power consumption when inactive.  
- **Wide Input Voltage Range:** Supports various power supply configurations.  
- **Integrated Protection:** Includes overvoltage, overcurrent, and thermal shutdown.  

This IC is commonly used in **uninterruptible power supplies (UPS), automotive, and industrial battery charging systems**.  

Would you like additional details on a specific aspect?

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