USB Compatible Switching Power Managers/Li-Ion Chargers with Overvoltage Protection The **LTC4098EUDC#PBF** is a product manufactured by **Linear Technology** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:
### **Specifications:**
- **Manufacturer:** Linear Technology (Analog Devices)
- **Part Number:** LTC4098EUDC#PBF
- **Package:** 20-Lead QFN (4mm x 5mm)
- **Input Voltage Range:** 4.5V to 38V
- **Output Voltage:** Programmable (up to 5V)
- **Battery Charger Type:** Standalone Li-Ion/Polymer
- **Charging Current:** Up to 2.5A (programmable)
- **Buck Converter:** Integrated synchronous step-down regulator
- **Operating Temperature Range:** -40°C to +125°C
- **Features:** Overvoltage protection (OVP), thermal regulation, and USB compatibility
### **Descriptions:**
The LTC4098EUDC#PBF is a high-efficiency, standalone battery charger with an integrated synchronous buck regulator. It is designed for **Li-Ion/Polymer batteries** and supports a wide input voltage range, making it suitable for automotive, industrial, and USB-powered applications. The device includes **input overvoltage protection (OVP)** and thermal regulation to ensure safe operation.
### **Key Features:**
- **Wide Input Voltage Range (4.5V to 38V)** – Supports high-voltage sources like car batteries.
- **2.5A Maximum Charging Current** – Fast charging for single-cell Li-Ion/Polymer batteries.
- **Integrated Buck Regulator** – Efficiently steps down input voltage to charge the battery.
- **Programmable Charge Current & Voltage** – Adjustable via external resistors.
- **Input Overvoltage Protection (OVP)** – Protects against voltage spikes up to 60V.
- **Thermal Regulation** – Prevents overheating by reducing charge current if necessary.
- **USB-Compliant Charging** – Supports USB input power with current limiting.
- **Automatic Power Path Management** – Seamlessly switches between battery and input power.
This device is commonly used in **portable devices, automotive systems, and industrial applications** requiring reliable battery charging and power management.
For detailed electrical characteristics and application circuits, refer to the official **LTC4098 datasheet** from Analog Devices.
