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Texas Instruments TPS62823 | Demoboard TIDA-010011
High Efficiency Power Supply Architecture Reference Design for Protection Relay Processor Module
Overview
| Topology | Other Topology |
| IC revision | 1 |
Description
This reference design showcases various power architectures for generating multiple voltage rails for an application processor module, requiring >1A load current and high efficiency. The required power supply is generated using 5-, 12- or 24-V DC input from the backplane. Power supplies are generated using DC-DC converters with an integrated FET and a power module with an integrated inductor for size. The design features a HotRod™ package type for applications requiring low EMI. It is also optimal for design time constrained applications. Additional features include DDR termination regulator, input supply OR-ing, voltage sequencing, eFuse for overload protection, and voltage and load current monitoring. This design can be used with a processor, digital signal processor and field-programmable gate array. It has been tested for radiated emission, per CISPR22 meeting class A and B requirements.
Features
- Power supply generation with 24-V input using synchronous step down DC-DC converter with integrated FET, compact nano power module with excellent load transient performance and accurate output regulation
- Power modules in QFN package that offer optimal thermal performance
- DC-DC converters in HotRod™ package for low EMI
- Power supply generation with 12-V input using OR-ing controller for redundant operation interfaced to high efficiency DC-DC converter or external evaluation module
- Point of load (POL) supply generation with 5-V input using PMIC , DC-DC converter and linear regulators or DC-DC converter > 3A load with improved low load efficiency and load sharing
- Clean supply using 1A, dual-output, low dropout linear regulator with low-noise, high-bandwidth PSRRR
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,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | Mount | IR(A) | ISAT(A) | RDC max.(mΩ) | Size | Version | ISAT,10%(A) | 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 | – | – | – | Size0603 | – | – | ||||
 | WE-TPC SMT Tiny Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | – | – | – | – | – | – | – | Inductance6.8 µH | – | – | DC Resistance142 mΩ | Self Resonant Frequency59 MHz | – | MountSMT | Rated Current1.1 A | Saturation Current1.3 A | DC Resistance165 mΩ | Size2828 | VersionSMT | – | ||||
 | WE-TPC SMT Tiny Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | – | – | – | – | – | – | – | Inductance5 µH | – | – | DC Resistance50 mΩ | Self Resonant Frequency55 MHz | – | MountSMT | Rated Current1.65 A | Saturation Current1.8 A | DC Resistance60 mΩ | Size5818 | VersionSMT | – | ||||
 | WE-PD SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | – | – | – | – | – | – | – | Inductance2.2 µH | Performance Rated Current5.6 A | Saturation Current @ 30%6 A | DC Resistance19 mΩ | Self Resonant Frequency67 MHz | Operating Voltage120 V | MountSMT | – | – | DC Resistance23 mΩ | Size7332 | VersionRobust | Saturation Current @ 10%4.8 A | ||||
 | WE-PD2 SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD2 SMT Power Inductor | – | – | – | – | – | – | – | Inductance1 µH | Performance Rated Current5.55 A | Saturation Current @ 30%6.6 A | DC Resistance14 mΩ | Self Resonant Frequency110 MHz | Operating Voltage120 V | MountSMT | Rated Current4 A | Saturation Current5.72 A | DC Resistance49 mΩ | Size4532 | – | Saturation Current @ 10%5.72 A | ||||
 | WE-PD4 SMT Power Inductor, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD4 SMT Power Inductor | – | – | – | – | – | – | – | Inductance15 µH | – | – | DC Resistance43 mΩ | Self Resonant Frequency17 MHz | Operating Voltage120 V | MountSMT | Rated Current2.9 A | Saturation Current3.6 A | DC Resistance60 mΩ | SizeL | – | – | |||
 | WE-MAPI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | – | – | – | – | – | – | – | Inductance2.2 µH | Performance Rated Current1.65 A | Saturation Current @ 30%3.3 A | DC Resistance225 mΩ | Self Resonant Frequency70 MHz | Operating Voltage80 V | MountSMT | Rated Current1.1 A | Saturation Current2.5 A | DC Resistance270 mΩ | Size2010 | VersionSMT | Saturation Current @ 10%1.65 A | ||||
 | WE-LHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LHMI SMT Power Inductor | – | – | – | – | – | – | – | Inductance1 µH | Performance Rated Current6.2 A | Saturation Current @ 30%12.5 A | DC Resistance22 mΩ | Self Resonant Frequency89 MHz | Operating Voltage120 V | MountSMT | – | – | DC Resistance27 mΩ | Size4020 | – | Saturation Current @ 10%6.5 A | ||||
| WE-LHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LHMI SMT Power Inductor | – | – | – | – | – | – | – | Inductance1.5 µH | Performance Rated Current4.9 A | Saturation Current @ 30%10.1 A | DC Resistance34.8 mΩ | Self Resonant Frequency64 MHz | Operating Voltage120 V | MountSMT | – | – | DC Resistance42 mΩ | Size4020 | – | Saturation Current @ 10%5.65 A |