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Texas Instruments UCD3138A | Demoboard TIDA-00705
480-W, 97% η efficiency, Ultra-Compact (480W/in3), Bi-Directional DC-DC Reference Design
Overview
| Topology | Other Topology |
Description
The TIDA-00705 is an ultra-compact (1”x1”x1”) high efficiency bi-directional DC-DC power converter capable of delivering 480W for use in Local Energy Storage (LES) and Battery Back-up power applications, specifically designed for server PSUs embedded with battery backup units (BBU). The reference design is based on a 2 phase interleaved half-bridge power stage controlled using the UCD3138 digital power controller.The design has built-in Protection for DC-bus Over-current, Over-voltage & Battery Over Current, Overvoltage and has phase current balancing to distribute the heat.
Features
Remark: BOM and Schematics are added with EVM board.
High efficiency of 97% as backup power supply, optimizes thermal management and extends battery backup timeUltra-compact unit with heatsink built-in (1”x1”x1”) and effective thermal management makes it a retrofit into existing server PSUsDelivers high power output 40A/12V as back-up supply and charges battery at 6A during normal operationBuilt-in battery charging CC-CV algorithm compatible for Li-ion and Li-Poly batteriesDelivers continuous power output of >300W at minimal airflow of 200LFM and 190W without any airflowUCD3138A digital power supply controller solution enables programmability and configurability for different voltages and currents
Typical applications
- Local Energy Storage (LES) Systems
- Battery Backup Units (BBU)
- DC-DC Non-Isolated Brick Modules
- Standalone DC-DC for Point of Load (POL), Applications
- Server Power Supply Units (PSU)
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | fres (MHz) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012005043 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | 33 pF | ±5% | 25 | 0402 | -55 °C up to +125 °C | 1000 | 10 GΩ | NP0 Class I | 1 | 0.5 | 0.5 | 0.25 | 7" Tape & Reel | – | – | – | – | – | ||
 | 74404024100 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LQS SMT Power Inductor | – | – | – | 2512 | -40 °C up to +125 °C | – | – | – | 2.5 | 2 | 1.2 | – | – | 10 | 0.65 | 0.8 | 430 | 30 | ||
| 74404024220 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LQS SMT Power Inductor | – | – | – | 2512 | -40 °C up to +125 °C | – | – | – | 2.5 | 2 | 1.2 | – | – | 22 | 0.45 | 0.55 | 910 | 22 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012005043 | SPEC | |
| 74404024100 | SPEC | |
| 74404024220 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | fres (MHz) | Samples |
|---|