Overview
The BQ2002ESNTR is a sophisticated battery charge management IC manufactured by Texas Instruments. This product is specifically designed for efficient and reliable charging of nickel-cadmium (NiCd) and nickel-metal hydride (NiMH) batteries. The BQ2002ESNTR is tailored for applications requiring precise control over the charging process, ensuring optimal battery performance and longevity. Its market positioning targets industries such as portable electronics, medical devices, and industrial equipment, where dependable battery charging is critical. The BQ2002ESNTR stands out for its integrated charge termination algorithms, temperature monitoring, and flexible charging configurations, making it a competitive choice in the battery management sector.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.5 to 18 | V | Wide input range for versatility |
| Charge Current | Up to 1.5 | A | Adjustable charge current |
| Charge Termination | -ΔV, ΔT/Δt, Max Voltage | - | Multiple termination methods |
| Operating Temperature | -20 to 70 | °C | Industrial temperature range |
| Package | SOIC-8 | - | Compact surface-mount package |
| Battery Types | NiCd, NiMH | - | Compatible with common battery chemistries |
| Integrated Protection | Overcurrent, Overtemperature | - | Ensures safe operation |
| Standby Current | 10 | µA | Low power consumption in standby |
Key Features
- Integrated Charge Termination Algorithms: Supports -ΔV, ΔT/Δt, and maximum voltage termination for precise charge control.
- Temperature Monitoring: Includes temperature sensing to prevent overheating and ensure safe charging.
- Flexible Charging Configurations: Adjustable charge current and voltage settings for diverse applications.
- Compact Design: SOIC-8 package for space-constrained designs.
- Robust Protection Features: Built-in overcurrent and overtemperature protection for enhanced safety.
Applications
The BQ2002ESNTR is widely used in various industries due to its reliable battery charging capabilities. In portable electronics, it ensures efficient charging for devices like cordless phones and handheld tools. In medical devices, it provides safe and precise charging for portable medical equipment. Additionally, it is employed in industrial equipment for maintaining battery health in critical applications. Its versatility and robust features make it a preferred choice for designers seeking dependable battery management solutions.
Q & A
1. What types of batteries does the BQ2002ESNTR support?
The BQ2002ESNTR supports nickel-cadmium (NiCd) and nickel-metal hydride (NiMH) batteries.
2. What is the input voltage range for this IC?
The input voltage range is 4.5 to 18 volts.
3. How does the BQ2002ESNTR terminate charging?
It uses -ΔV, ΔT/Δt, and maximum voltage termination methods.
4. What is the maximum charge current supported?
The maximum charge current is 1.5 amperes.
5. Does the IC include temperature monitoring?
Yes, it includes temperature monitoring to prevent overheating.
6. What is the operating temperature range?
The operating temperature range is -20 to 70°C.
7. What package does the BQ2002ESNTR come in?
It comes in an SOIC-8 package.
8. Does it have built-in protection features?
Yes, it includes overcurrent and overtemperature protection.
9. What is the standby current consumption?
The standby current is 10 microamperes.
10. Where is the BQ2002ESNTR commonly used?
It is commonly used in portable electronics, medical devices, and industrial equipment.
