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UC3907DWTRG4 from TI,Texas Instruments

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UC3907DWTRG4

Manufacturer: TI

Load Share Controller

Partnumber Manufacturer Quantity Availability
UC3907DWTRG4 TI 4000 In Stock

Description and Introduction

Load Share Controller The UC3907DWTRG4 is a lead-acid battery charger controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UC3907DWTRG4  
- **Package:** SOIC-16  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 10V to 30V  
- **Control Method:** PWM (Pulse Width Modulation)  
- **Charging Modes:** Bulk, Float, and Trickle Charge  
- **Battery Voltage Sensing:** Adjustable  
- **Current Limit:** Programmable  
- **Status Indicators:** Charge Status Output  

### **Descriptions:**  
The UC3907DWTRG4 is a monolithic integrated circuit designed for controlling the charging of lead-acid batteries. It provides precise voltage and current regulation to optimize battery charging in three distinct phases: bulk charge, float charge, and trickle charge.  

### **Features:**  
- **Three-Stage Charging Control:** Automatically transitions between bulk, float, and trickle modes.  
- **Programmable Charge Parameters:** Adjustable voltage and current limits.  
- **Voltage Reference:** Internal precision reference for accurate battery voltage sensing.  
- **Current Monitoring:** External sense resistor for current regulation.  
- **Thermal Protection:** Built-in thermal shutdown for safety.  
- **Status Outputs:** Indicates charge completion and fault conditions.  
- **Wide Input Voltage Range:** Supports 10V to 30V operation.  

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

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