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LTC4075EDD from LINEAR

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LTC4075EDD

Manufacturer: LINEAR

Dual Input USB/AC Adapter Standalone Li-Ion Battery Chargers

Partnumber Manufacturer Quantity Availability
LTC4075EDD LINEAR 550 In Stock

Description and Introduction

Dual Input USB/AC Adapter Standalone Li-Ion Battery Chargers The LTC4075EDD is a linear battery charger IC manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 36V  
- **Charging Current:** Programmable up to 50mA  
- **Battery Float Voltage:** Adjustable from 3.5V to 4.5V  
- **Low Quiescent Current:** 1.5µA (typical)  
- **Charge Termination:** Automatic (C/10)  
- **Package:** DFN-8 (3mm x 3mm)  
- **Operating Temperature Range:** -40°C to 125°C  
- **Protection Features:** Reverse battery protection, thermal shutdown  

### **Descriptions and Features:**  
- Designed for single-cell Li-Ion/Polymer batteries.  
- Operates as a standalone charger with no external microcontroller required.  
- Features a low-dropout linear topology for efficient charging.  
- Includes a trickle charge function for deeply discharged batteries.  
- Supports low-power applications with ultra-low quiescent current.  
- Compact DFN package for space-constrained designs.  

This information is based solely on the manufacturer's datasheet.

Partnumber Manufacturer Quantity Availability
LTC4075EDD LT 3230 In Stock

Description and Introduction

Dual Input USB/AC Adapter Standalone Li-Ion Battery Chargers The LTC4075EDD is a linear battery charger IC manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Linear Technology (LT)
- **Part Number:** LTC4075EDD
- **Package:** DFN (Dual Flat No-Lead), 8-Lead (3mm x 3mm)
- **Input Voltage Range:** 4V to 36V
- **Battery Voltage Range:** 1.5V to 4.4V (adjustable)
- **Charge Current:** Up to 50mA (programmable)
- **Quiescent Current:** 550nA (typical) in standby mode
- **Operating Temperature Range:** -40°C to +125°C
- **Charging Termination:** Automatic (C/10 or timer-based)
- **Protection Features:** Reverse battery protection, thermal shutdown, and input overvoltage protection (up to 60V)

### **Descriptions:**
- The LTC4075EDD is a low-power, standalone linear battery charger designed for single-cell Li-Ion/Polymer batteries.
- It operates with very low quiescent current, making it suitable for energy harvesting and long-life battery applications.
- The device includes an integrated battery disconnect feature to prevent battery drain when the input power is removed.
- It supports trickle charging for deeply discharged batteries.

### **Features:**
- **Ultra-Low Quiescent Current:** 550nA in standby mode.
- **Wide Input Voltage Range:** 4V to 36V (60V abs max).
- **Programmable Charge Current:** Up to 50mA.
- **Automatic Charge Termination:** Based on C/10 current or timer.
- **Reverse Battery Protection:** Prevents damage from reverse battery connection.
- **Thermal Shutdown:** Protects the IC from overheating.
- **Input Overvoltage Protection:** Handles transients up to 60V.
- **Small Footprint:** 3mm x 3mm DFN package.

This information is based solely on the manufacturer's datasheet and technical documentation.

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