Dual Input Power Manager/ 3.5A Li-Ion Battery Charger with I2C Control and USB OTG The LTC4155EUFD#PBF is a product from Linear Technology (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Linear Technology (Analog Devices)
- **Part Number:** LTC4155EUFD#PBF
- **Package:** 28-Lead QFN (4mm x 5mm)
- **Operating Temperature Range:** -40°C to +85°C
- **Input Voltage Range:** 4V to 80V
- **Output Voltage:** Adjustable
- **Current Sense Range:** ±50mV full scale
- **Power Monitor Resolution:** 12-bit
- **I²C Interface:** Yes
- **Supply Current:** 1.5mA (typical)
### **Description:**
The LTC4155EUFD#PBF is a high-voltage I²C power monitor that measures voltage, current, and power in a single IC. It is designed for applications requiring high-side current sensing with a wide input voltage range. The device communicates via an I²C interface and provides accurate power monitoring for systems such as battery management, industrial equipment, and automotive applications.
### **Features:**
- **Wide Input Voltage Range:** 4V to 80V
- **High-Side Current Sensing:** Measures current without ground disturbance
- **12-Bit ADC Resolution:** Provides accurate voltage, current, and power readings
- **I²C Interface:** Allows easy communication with microcontrollers
- **Low Supply Current:** 1.5mA typical for efficient operation
- **Integrated Sense Resistor:** Simplifies design by eliminating external components
- **Power Accumulator:** Tracks total power consumption over time
- **Overcurrent Alert:** Provides a warning signal when current exceeds a set threshold
This information is based solely on the manufacturer's datasheet and product documentation.
