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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
- DC-DC Non-Isolated Brick Modules
- Standalone DC-DC for Point of Load (POL), Applications
- Server Power Supply Units (PSU)
- Battery Backup Units (BBU)
- Local Energy Storage (LES) Systems
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 25 V(DC), 33 pF, ±5% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance33 pF | Capacitance±5% | Rated Voltage25 V (DC) | Size0402 | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1 mm | Width0.5 mm | Height0.5 mm | Pad Dimension0.25 mm | Packaging7" Tape & Reel | – | – | – | – | – | |||||
 | WE-LQS SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQS SMT Power Inductor | – | – | – | Size2512 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length2.5 mm | Width2 mm | Height1.2 mm | – | – | Inductance10 µH | Rated Current0.65 A | Saturation Current0.8 A | DC Resistance430 mΩ | Self Resonant Frequency30 MHz | ||||
| WE-LQS SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQS SMT Power Inductor | – | – | – | Size2512 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length2.5 mm | Width2 mm | Height1.2 mm | – | – | Inductance22 µH | Rated Current0.45 A | Saturation Current0.55 A | DC Resistance910 mΩ | Self Resonant Frequency22 MHz |