Wide Brightness Range CCFL Backlight Controllers The MAX1739EEP is a lithium-ion (Li+) battery charger controller manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Maxim Integrated (now Analog Devices)
- **Part Number:** MAX1739EEP
- **Package:** 20-QSOP (Quarter Small Outline Package)
- **Input Voltage Range:** 4.5V to 28V
- **Charge Voltage Accuracy:** ±0.75%
- **Programmable Charge Current:** Up to 4A
- **Charge Termination:** Programmable Timer or Current Threshold
- **Operating Temperature Range:** -40°C to +85°C
- **Battery Chemistry Support:** Single-Cell Li-Ion or Li-Polymer
- **Charge Status Indicators:** Available (Open-Drain Outputs)
- **Protection Features:** Overvoltage, Reverse Battery, and Thermal Shutdown
### **Descriptions:**
The MAX1739EEP is a highly integrated Li-ion battery charger controller designed for single-cell applications. It provides precise voltage and current regulation for charging Li-ion or Li-polymer batteries. The device supports a wide input voltage range and includes multiple safety features to ensure reliable operation.
### **Features:**
- **Wide Input Voltage Range (4.5V to 28V)** – Suitable for various power sources.
- **Precision Charge Voltage Regulation (±0.75%)** – Ensures accurate battery charging.
- **Programmable Charge Current (Up to 4A)** – Adjustable via an external resistor.
- **Flexible Charge Termination** – Supports timer-based or current-based termination.
- **Status Outputs** – Indicates charging, fault, and power-good conditions.
- **Integrated Protection Circuits** – Includes overvoltage, reverse battery, and thermal shutdown.
- **Low-Dropout Linear Charger Architecture** – Efficient power delivery.
- **Battery Detection** – Automatically detects battery presence.
This information is strictly based on the manufacturer's datasheet and technical documentation.
