USB Power Manager with High Voltage Switching Charger The LTC4089EDJC-1 is a product from **LINEAR** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** LINEAR (Analog Devices)
- **Part Number:** LTC4089EDJC-1
- **Type:** Standalone Li-Ion/Polymer Battery Charger with PowerPath™ Control
- **Input Voltage Range:** 4.35V to 6.5V (USB or Wall Adapter)
- **Battery Voltage Range:** 3.5V to 4.4V (Adjustable)
- **Charge Current:** Programmable up to 1.5A
- **Charge Termination:** C/10 or Timer-Based
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 20-Lead DFN (5mm x 3mm)
### **Descriptions:**
- The LTC4089EDJC-1 is a high-efficiency, standalone battery charger designed for single-cell Li-Ion/Polymer batteries.
- It integrates **PowerPath™ control**, allowing simultaneous battery charging and system operation from an input source.
- Supports USB and wall adapter inputs with automatic current limit selection.
- Features thermal regulation to prevent overheating during high-power operation.
### **Features:**
- **PowerPath™ Control:** Seamless transition between input power and battery.
- **Programmable Charge Current:** Up to 1.5A with USB-compliant current limiting.
- **Thermal Regulation:** Reduces charge current to maintain safe die temperature.
- **Automatic Recharge:** Initiates charging when battery voltage falls below a threshold.
- **Battery Detection:** Ensures no battery is present before applying charge current.
- **Status Indicators:** Open-drain outputs for charge status (charging, complete, or fault).
- **Low Battery Disconnect:** Prevents deep discharge of the battery.
This information is strictly based on the manufacturer's datasheet and technical documentation.
