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LTC1734ES6-4.2#TR from NS,National Semiconductor

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LTC1734ES6-4.2#TR

Manufacturer: NS

Lithium-Ion Linear Battery Charger in ThinSOT

Partnumber Manufacturer Quantity Availability
LTC1734ES6-4.2#TR,LTC1734ES642TR NS 2500 In Stock

Description and Introduction

Lithium-Ion Linear Battery Charger in ThinSOT The LTC1734ES6-4.2#TR is a linear battery charger controller manufactured by NS (Linear Technology, now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 6.5V  
- **Battery Voltage:** Fixed 4.2V (for single-cell Li-Ion batteries)  
- **Charge Current:** Programmable up to 500mA  
- **Charge Termination:** C/10 (10% of programmed current)  
- **Preconditioning:** Trickle charges deeply discharged batteries  
- **Package:** SOT-23-6  
- **Operating Temperature Range:** -40°C to 85°C  
- **Low Battery Detection:** Yes  
- **Thermal Regulation:** Prevents overheating  

### **Descriptions and Features:**  
- Designed for single-cell Li-Ion/Li-Polymer battery charging.  
- Constant-current/constant-voltage charging with thermal regulation.  
- No external MOSFET or blocking diode required.  
- Automatic recharge when battery voltage drops below 4.1V.  
- Charge status output for LED or microcontroller interface.  
- Low quiescent current in shutdown mode (<10µA).  
- Compact SOT-23 package for space-constrained applications.  

This IC is optimized for portable devices requiring a simple, efficient charging solution.

Application Scenarios & Design Considerations

Lithium-Ion Linear Battery Charger in ThinSOT
Partnumber Manufacturer Quantity Availability
LTC1734ES6-4.2#TR,LTC1734ES642TR LTC 11975 In Stock

Description and Introduction

Lithium-Ion Linear Battery Charger in ThinSOT The LTC1734ES6-4.2#TR is a linear battery charger controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 6.5V  
- **Battery Voltage:** Fixed 4.2V output (for single-cell Li-Ion batteries)  
- **Charge Current:** Programmable up to 500mA  
- **Charge Termination:** C/10 or timer-based  
- **Preconditioning Mode:** For deeply discharged batteries  
- **Package:** SOT-23-6  
- **Operating Temperature Range:** -40°C to +85°C  
- **Low Dropout Voltage:** Ensures efficient charging  

### **Descriptions and Features:**  
- Designed for single-cell Li-Ion/Polymer battery charging.  
- Constant-current/constant-voltage (CC/CV) charging algorithm.  
- No external MOSFET or blocking diode required.  
- Thermal regulation prevents overheating.  
- Automatic recharge when battery voltage falls below a threshold.  
- Charge status outputs for monitoring.  
- Low quiescent current in shutdown mode (<10µA).  
- Suitable for portable applications like smartphones, PDAs, and wireless devices.  

This part is optimized for space-constrained applications due to its small SOT-23-6 package.

Application Scenarios & Design Considerations

Lithium-Ion Linear Battery Charger in ThinSOT

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