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STC4081 from AUK

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15.625ms

STC4081

Manufacturer: AUK

NPN Silicon Transistor

Partnumber Manufacturer Quantity Availability
STC4081 AUK 3000 In Stock

Description and Introduction

NPN Silicon Transistor The STC4081 is a lithium-ion battery charger IC manufactured by AUK. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 6.5V  
- **Charge Voltage:** 4.2V ±1%  
- **Charge Current:** Up to 800mA (programmable)  
- **Pre-Charge Current:** 10% of the programmed charge current  
- **Charge Termination:** Based on current (10% of programmed current)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
- The STC4081 is a linear charger IC designed for single-cell lithium-ion/polymer batteries.  
- It integrates a power MOSFET, current sensing, and reverse-blocking diode, eliminating the need for external components.  
- The IC provides constant-current (CC) and constant-voltage (CV) charging modes.  
- It includes thermal regulation to prevent overheating.  

### **Features:**  
- **Automatic Recharge:** Initiates charging if battery voltage drops below a threshold.  
- **Charge Status Indication:** Open-drain outputs for charging (CHRG) and power-good (PG) status.  
- **Reverse Polarity Protection:** Protects the IC if the battery is connected incorrectly.  
- **Low Power Consumption:** Shutdown current is typically 20μA.  
- **Thermal Regulation:** Reduces charge current if temperature exceeds a safe limit.  

This information is based solely on the available knowledge base for the STC4081 by AUK.

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