NiCd/NiMH Battery Fast-Charge Controllers The MAX713ESE is a battery charger IC manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** Maxim Integrated
- **Part Number:** MAX713ESE
- **Package:** 16-pin narrow SOIC (Small Outline Integrated Circuit)
- **Input Voltage Range:** 4.5V to 28V
- **Charge Current:** Programmable up to 4A (external resistor)
- **Battery Types Supported:** NiMH (Nickel-Metal Hydride), NiCd (Nickel-Cadmium)
- **Charge Termination Methods:** Voltage slope detection (ΔV/Δt), temperature sensing, or timer-based
- **Operating Temperature Range:** -40°C to +85°C
### **Descriptions:**
The MAX713ESE is a fast-charge controller designed for NiMH and NiCd battery packs. It provides precise charge control with multiple termination methods to prevent overcharging. The IC includes a programmable timer, voltage slope detection, and temperature monitoring for safe and efficient charging.
### **Features:**
- **Fast-Charge Control:** Supports 1C to 4C charge rates for rapid charging.
- **Multiple Termination Methods:**
- Negative delta voltage (ΔV) detection for NiMH/NiCd.
- Temperature cutoff (optional external sensor).
- Backup timer termination.
- **Programmable Charge Current:** Adjustable via an external resistor.
- **Low-Battery Detection:** Identifies deeply discharged cells before charging.
- **Status Outputs:** LED or logic-level signals for charge status.
- **Wide Input Voltage Range:** Compatible with various power supplies (4.5V–28V).
- **Thermal Protection:** Prevents overheating during operation.
This information is strictly based on the manufacturer's datasheet and technical documentation.
