Overview
The UC3906NG4 is a battery charger controller IC manufactured by Texas Instruments. Designed for lead-acid battery charging applications, this IC provides precise control over the charging process, ensuring optimal battery performance and longevity. The UC3906NG4 is widely used in systems requiring reliable and efficient battery management, such as uninterruptible power supplies (UPS), solar power systems, and industrial equipment. Its unique selling points include its ability to manage three distinct charging phases (bulk, absorption, and float) and its high accuracy in voltage and current regulation.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 10 | V | Maximum |
| Output Voltage Range | 5 to 40 | V | Adjustable |
| Operating Temperature Range | -40 to 85 | °C | |
| Charging Current Accuracy | ±5 | % | |
| Package Type | PDIP-16 | Plastic Dual In-Line Package | |
| Charging Phases | 3 | Bulk, Absorption, Float | |
| Control Method | PWM | Pulse Width Modulation | |
| Reference Voltage | 2.3 | V | Internal |
Key Features
- Supports three-stage charging (bulk, absorption, and float) for lead-acid batteries.
- High accuracy in voltage and current regulation (±5%).
- Wide input voltage range (up to 10V).
- Robust design suitable for industrial environments.
Applications
The UC3906NG4 is ideal for a variety of applications, including uninterruptible power supplies (UPS), solar power systems, and industrial equipment. In UPS systems, it ensures reliable battery charging and extends battery life. In solar power systems, it optimizes energy storage by efficiently managing the charging process. For industrial equipment, it provides robust and precise battery management, even in harsh environments.
Q & A
1. What is the purpose of the UC3906NG4?
The UC3906NG4 is a battery charger controller IC designed for lead-acid battery charging applications.
2. What are the three charging phases supported by this IC?
It supports bulk, absorption, and float charging phases.
3. What is the input voltage range of the UC3906NG4?
The input voltage range is up to 10V.
4. What is the operating temperature range?
It operates between -40°C and 85°C.
5. What is the accuracy of the charging current?
The charging current accuracy is ±5%.
6. What package type does the UC3906NG4 use?
It uses a PDIP-16 package.
7. Can this IC be used in solar power systems?
Yes, it is ideal for solar power systems due to its efficient charging management.
8. Is the UC3906NG4 suitable for industrial applications?
Yes, its robust design makes it suitable for industrial environments.
9. What is the reference voltage of the UC3906NG4?
The internal reference voltage is 2.3V.
10. Does the UC3906NG4 support PWM control?
Yes, it uses PWM (Pulse Width Modulation) for efficient power management.
Product Attributes
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Similar Products
| Part Number | UC3906NG4 | UC3909NG4 | UC2906NG4 |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Burr Brown |
| Product Status | Discontinued at Digi-Key | Obsolete | Active |
| Battery Chemistry | Lead Acid | Lead Acid | Lead Acid |
| Number of Cells | - | - | - |
| Current - Charging | - | Constant - Programmable | - |
| Programmable Features | Current | - | Current |
| Fault Protection | - | - | - |
| Charge Current - Max | - | - | - |
| Battery Pack Voltage | - | - | - |
| Voltage - Supply (Max) | 40V | 40V | 40V |
| Interface | - | - | - |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | -40°C ~ 70°C (TA) |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-PDIP | 20-PDIP | 16-PDIP |
