Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers The ISL6255HRZ is a battery charger controller manufactured by **INTERSIL** (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Input Voltage Range:** 7V to 25V
- **Charge Voltage Accuracy:** ±0.5%
- **Programmable Charge Current Limit**
- **Supports 2-, 3-, and 4-Cell Li-Ion/Li-Polymer Batteries**
- **Switching Frequency:** 300kHz (typical)
- **Integrated MOSFET Drivers**
- **Thermal Regulation for Optimized Charging**
- **AC Adapter Current Limit Sensing**
- **Power Good Indicator**
- **Overvoltage and Overcurrent Protection**
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 28-Lead QFN (5x5mm)
### **Descriptions:**
The ISL6255HRZ is a highly integrated battery charger controller designed for **Li-Ion/Li-Polymer battery packs** in notebook computers and portable devices. It provides **accurate voltage and current regulation**, supporting multiple battery configurations. The device includes **AC adapter detection**, **battery detection**, and **thermal regulation** to ensure safe and efficient charging.
### **Features:**
- **Precision Charge Voltage Regulation** (±0.5%)
- **Programmable Charge Current Limit**
- **AC Adapter Current Monitoring**
- **Dynamic Power Management (DPM) for Input Power Optimization**
- **Battery Detection and Automatic Recharge**
- **Thermal Monitoring and Regulation**
- **Integrated Gate Drivers for External MOSFETs**
- **Power Good (PG) and Charge Status Indicators**
- **Overvoltage Protection (OVP) and Overcurrent Protection (OCP)**
This information is strictly based on the manufacturer's datasheet and technical documentation.
