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Texas Instruments LM5171 | Demoboard LM5171EVM-BIDIR
LM5171EVM-BIDIR evaluation module with 48-V to 12-V bidirectional converter
Overview
| Topology | Buck-Boost Converter |
| Input voltage | 6-70 V |
| Output 1 | 12 V / 60 A |
| Output 2 | 48 V / 60 A |
| IC revision | A |
Description
The LM5171EVM-BIDIR evaluation module (EVM) is a dual phase interleaved bidirectional converter ideal for 48-V to 12-V dual battery system applications. It is multiphase stackable with adjustable interleaving angle and balanced current sharing. The EVM also includes various jumpers to configure the circuit for many different use cases. This includes the capability of being controlled by a microcontroller or a high-power unidirectional buck or boost converter.
Features
- 12-V port voltage regulated at 14.5 V with 48-V port voltage range of 6 V to 70 V in buck mode
- 48-V port voltge regulated at 50.5 V with 12-V port voltage range of 6 V to 48 V in boost mode
- DC current (max) into or out of the 12-V port is 60 A
- Built-in analog voltage loop control, with option of a microcontroller digital-voltage loop-control through interface connectors
- Daisy-chain multiphase interleaved three, four, six and eight phase operation to support higher power
Typical applications
- Super-cap or battery backup power converter, Battery Testing System (BTS)
- Automotive, Industrial dual-battery systems
- Stackable high-power buck or boost applications
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Wire Type | Pins | Type | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 570 nm, Bright Green | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]570 nm | Emitting ColorBright Green | Peak Wavelength [typ.]572 nm | Luminous Intensity [typ.]40 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | MountSMT | Length1.6 mm | Height0.7 mm | – | – | Operating Temperature -40 °C up to +85 °C | ||||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 590 nm, Yellow | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]590 nm | Emitting ColorYellow | Peak Wavelength [typ.]595 nm | Luminous Intensity [typ.]120 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | MountSMT | Length1.6 mm | Height0.7 mm | – | – | Operating Temperature -40 °C up to +85 °C | |||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 630 nm, Super Red | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]630 nm | Emitting ColorSuper Red | Peak Wavelength [typ.]645 nm | Luminous Intensity [typ.]60 mcd | Forward Voltage [typ.]1.9 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | MountSMT | Length1.6 mm | Height0.7 mm | – | – | Operating Temperature -40 °C up to +85 °C | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins2 | TypeStraight | MountTHT | Length5.08 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins3 | TypeStraight | MountTHT | Length7.62 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WE-HCF SMT High Current Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCF SMT High Current Inductor | – | – | – | – | – | – | – | Inductance4.7 µH | Performance Rated Current44 A | Saturation Current @ 10%44 A | Saturation Current @ 30%48 A | DC Resistance1.44 mΩ | Self Resonant Frequency21.56 MHz | Wire TypeFlat | Pins2 | – | MountSMT | Length27 mm | Height15.4 mm | Rated Current44 A | – | Operating Temperature -40 °C up to +125 °C |