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LTC4155IUFD#PBF from LINEAR

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LTC4155IUFD#PBF

Manufacturer: LINEAR

Dual Input Power Manager/ 3.5A Li-Ion Battery Charger with I2C Control and USB OTG

Partnumber Manufacturer Quantity Availability
LTC4155IUFD#PBF,LTC4155IUFDPBF LINEAR 14 In Stock

Description and Introduction

Dual Input Power Manager/ 3.5A Li-Ion Battery Charger with I2C Control and USB OTG The LTC4155IUFD#PBF is a product from **Linear Technology (now part of Analog Devices)**. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** Linear Technology (Analog Devices)  
- **Part Number:** LTC4155IUFD#PBF  
- **Package:** 28-Lead QFN (4mm x 5mm)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 4V to 80V  
- **Supply Current:** 1.5mA (typical)  
- **Power Monitor Resolution:** 12-bit  
- **Current Sense Input Range:** ±50mV  
- **ADC Conversion Time:** 100ms (typical)  
- **Interface:** I²C-Compatible (up to 400kHz)  

### **Descriptions:**  
The LTC4155IUFD#PBF is a **high-voltage, high-side power and energy monitor** that integrates a precision current sense amplifier, a 12-bit ADC, and an I²C interface. It is designed for monitoring power consumption in systems with wide input voltage ranges, such as industrial, automotive, and battery-powered applications.

### **Features:**  
- Measures **voltage, current, power, and accumulated charge**  
- **Wide input voltage range (4V to 80V)**  
- **High-side current sensing** (supports bidirectional current measurement)  
- **12-bit ADC** for accurate power monitoring  
- **I²C-compatible interface** for communication  
- **Low supply current (1.5mA typical)**  
- **Programmable alert function** for overcurrent/undervoltage conditions  
- **Accumulates charge in a 32-bit register**  
- **Small 28-lead QFN package**  

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

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