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Texas Instruments LM5001IDRQ1 | Demoboard PMP22396
2460-W bidirectional boost converter reference design for automotive applications
Overview
| Topology | Boost Converter |
| Input voltage | 12 V |
| Output 1 | 48 V / 51.25 A |
| IC revision | B |
Description
This reference design is a 2460-W bidirectional boost converter for automotive applications. The circuit is powered from the nominal 12-V battery to provide an output voltage of 48 V at 51.25 A. The design uses two dual-phase synchronous bidirectional controllers operating at a switching frequency of 200 kHz per phase. The 48-V output is designed to drive a motor. When the load current reverses and the output voltage reaches 54 V, hysteretic direction control allows the load current to be returned to the 12-V battery. Normal boost operation resumes when the output voltage returns to 48 V. Mounting holes are provided for a bottom-side heat sink underneath the MOSFETs.
Features
- Bidirectional boost solution for higher power
- Excellent phase current sharing for balanced thermal performance
- Jumper selectable phase control
- Mounting option for bottom-side heat sink
- Reverse battery protection
Typical applications
- Boost, Flyback, SEPIC and Forward Converter Topologies
- DC-DC Power Supplies for Industrial, Communications, and Automotive Applications
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | Size | IR(A) | ISAT,30%(A) | fres(MHz) | Core Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCFT THT High Current Inductor, 3.3 µH, 3521 | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCFT THT High Current Inductor | Inductance3.3 µH | Size3521 | Rated Current75 A | Saturation Current @ 30%91 A | Self Resonant Frequency25 MHz | Core MaterialMnZn |