Overview
The UCC29002DG4, manufactured by Texas Instruments, is an advanced 8-pin load share controller designed for high-reliability applications in distributed power systems. This IC is particularly suited for N+1 redundant systems or high-current applications where multiple power supplies or DC/DC modules need to be paralleled. Its primary function is to ensure equal current sharing among parallel-connected modules, enhancing system reliability and efficiency. The UCC29002DG4 is widely used in servers, workstations, telecommunications, and other industrial applications requiring robust power management solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 4.375 - 14.25 | V | |
| Supply Current | 2.5 | mA | |
| Operating Temperature | -40 to 105 | °C | |
| Package | 8-SOIC | 3.90mm wide | |
| Current Sharing Error | <1% | Full load |
Key Features
- High precision current sharing with less than 1% error at full load.
- Supports high-side or low-side current sensing for flexible design.
- Single-wire load share bus simplifies system design and reduces costs.
- Compatible with Intel SSILoad Share specifications for interoperability.
- Load share bus protection against short circuits to ground or supply rails.
Applications
The UCC29002DG4 is ideal for applications requiring high reliability and efficiency in power distribution. It is commonly used in:
- Server and workstation power systems.
- Telecommunications infrastructure.
- Industrial automation systems.
- Redundant power supplies in critical applications.
Q & A
1. What is the primary function of the UCC29002DG4?
The UCC29002DG4 ensures equal current sharing among parallel-connected power modules, enhancing system reliability.
2. What is the operating voltage range of the UCC29002DG4?
It operates within a voltage range of 4.375V to 14.25V.
3. What is the current sharing accuracy of the UCC29002DG4?
It achieves less than 1% current sharing error at full load.
4. What package does the UCC29002DG4 come in?
It is available in an 8-SOIC package with a width of 3.90mm.
5. What are the typical applications of the UCC29002DG4?
It is used in servers, workstations, telecommunications, and industrial automation systems.
6. Does the UCC29002DG4 support high-side current sensing?
Yes, it supports both high-side and low-side current sensing.
7. What is the supply current of the UCC29002DG4?
The supply current is 2.5mA.
8. Is the UCC29002DG4 compatible with Intel SSILoad Share specifications?
Yes, it is fully compatible with Intel SSILoad Share specifications.
9. What is the operating temperature range of the UCC29002DG4?
It operates from -40°C to 105°C.
10. Does the UCC29002DG4 have load share bus protection?
Yes, it includes protection against short circuits to ground or supply rails.
