The Texas Instruments UC3914N is a highly integrated battery charge management device designed to provide reliable charging for lead-acid batteries. This advanced charge controller is ideal for a wide range of applications such as uninterruptible power supplies (UPS), portable tools, and automotive power systems, among others.
Key Features:
- Precision Voltage Regulation: The UC3914N ensures that the battery is charged to its peak voltage with high accuracy, which is crucial for maximizing battery life and performance.
- Current Control: This device offers excellent current control during the charging process, which helps prevent overcharging and enhances safety.
- Automatic Charge Rate Compensation: The charge controller automatically adjusts the charge rate based on battery temperature, ensuring optimal charging under varying environmental conditions.
- Charge Status Indicators: It includes status indication pins that can be used to drive LEDs or other indicators for real-time charge status monitoring.
- Versatile Charging Modes: The UC3914N supports multiple charging modes including float, high-rate, and equalization charges to accommodate different stages of the battery charging cycle.
Technical Specifications:
Parameter
Value
Input Voltage (V<sub>CC)
8V to 40V
Charge Current (max)
Dependent on External Components
Operating Temperature
-40°C to +85°C
Package / Case
PDIP-16
The UC3914N is packaged in a 16-pin plastic DIP (PDIP) which is easy to handle and integrates well into a variety of circuit designs. With its robust feature set and Texas Instruments' reputation for quality, the UC3914N is an excellent choice for designers looking to implement an efficient and reliable battery charging solution.
