Common redundant power supply
Products and reference designs
Common redundant power supply
Overview
Our integrated circuits and reference designs help you create compact server power supply units (PSUs) with 12-V output aimed to meet 80+ titanium standards.
Design requirements
Server PSU with 12-V output designs often require:
- Higher efficiency (80+ titanium) across 20-80% load range with soft-switching, bridgeless PFC or GaN.
- Compact size and high power density for data-center applications.
- Digital solution with PMBus for scalability and connectivity.
Block diagram
Find products and reference designs for your system.
Server PSU with 12V output
PFC power stage
Power management (24)
Gallium nitride (GaN) power stages
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LMG3650R035—650V 35mΩ TOLL-packaged GaN FET with integrated driver and protection
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LMG3650R025—650V 25mΩ TOLL-packaged GaN FET with integrated driver, protection and zero-voltage detection
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LMG3522R030—650-V 30-mΩ GaN FET with integrated driver, protection and temperature reporting
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LMG3411R050—600-V 50mΩ GaN with integrated driver and cycle-by-cycle overcurrent protection
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LMG3422R050—600-V 50-mΩ GaN FET with integrated driver, protection and temperature reporting
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LMG3410R070—600-V 70mΩ GaN with integrated driver and protection
Low-side drivers
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UCC27624—5A/5A dual-channel gate driver with 4V UVLO, 30V VDD and low propagation delay
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UCC27614—10-A/10-A single-channel gate driver with 4-V UVLO, 30-V VDD and low prop delay
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UCC27511—4-A/8-A single-channel gate driver with 5-V UVLO, split outputs, and 13-ns Prop delay
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UCC27524—5-A/5-A dual-channel gate driver with 5-V UVLO, enable, and 1-ns delay Matching
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UCC27531-Q1—Automotive 2.5-A/5-A single-channel gate driver with 8-V UVLO, 35-V VDD, and split outputs
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UCC27517—4-A/4-A single-channel gate driver with 5-V UVLO and 13-ns prop delay in SOT-23 package
Isolated gate drivers
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UCC21225A—2.5kVrms, 4A/6A dual-channel isolated gate driver with dual input, 5V UVLO & LGA package
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UCC21330—3kVRMS 4A/6A two-channel isolated gate driver with disable logic and programmable deadtime
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UCC21220—3.0kVrms, 4A/6A dual-channel isolated gate driver with disable pin & 8V UVLO for MOSFETs & GaNFETs
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UCC5350—5A/5A single-channel isolated gate driver with Miller clamp or split outputs and 8V or 12V UVLO
Half-bridge drivers
AC/DC & DC/DC controllers (external FET)
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UCD3138128—Highly-Integrated Digital Controller for Isolated Power
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UCD3138064—Highly-Integrated Digital Controller for Isolated Power with 64kB Memory
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UCD3138A—UCD3138A Highly Integrated Digital Controller for Isolated Power
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UCD3138064A—Highly Integrated Digital Controller for Isolated Power
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UCD3138—Highly Integrated Digital Controller for Isolated Power with 3 Feedback Loops and 8 DPWM Outputs
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UCD3138A64—Highly-Integrated Digital Controller for Isolated Power
Microcontrollers (MCUs) & processors (6)
C2000 real-time microcontrollers
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TMS320F280039C—C2000™ 32-bit MCU 120-MHz 384-KB flash, FPU, TMU with CLA, CLB, AES and CAN-FD
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TMS320F280037—C2000™ 32-bit MCU 120-MHz 256-KB flash, FPU, TMU with CLA, AES and CAN-FD
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TMS320F280025—C2000™ 32-bit MCU with 100-MHz, FPU, TMU, 128-kb flash
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TMS320F2800137—C2000™ 32-bit MCU with 120 MHz, 256-KB flash, FPU and TMU
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TMS320F280037C—C2000™ 32-bit MCU 120-MHz 256-KB flash, FPU, TMU with CLA, CLB, AES and CAN-FD
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TMS320F2800135—C2000™ 32-bit MCU with 120 MHz, 128-KB flash, FPU and TMU
Isolation (7)
Digital isolators
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ISO6520—Functional isolation dual-channel 2/0 digital isolator
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ISO6521—Functional isolation dual-channel 1/1 digital isolator
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ISO7741—Robust EMC, quad-channel, 3/1, reinforced digital isolator
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ISO7762—Robust EMC, six-channel, 4/2, reinforced digital isolator
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ISO7710—Robust EMC, single-channel, reinforced digital isolator
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ISO7721—Robust EMC, dual-channel, 1/1, reinforced digital isolator
Transformer drivers
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SN6505B—Low-noise, 1-A, 420-kHz transformer driver with soft start for isolated power supplies
Amplifiers (18)
High-speed op amps (GBW ≥ 50 MHz)
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TLV365—50-MHz single-supply operational amplifier with rail-to-rail input and output
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OPA2607—Dual-channel, low-power, precision, 50-MHz decompensated CMOS op amp
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OPA607—Low power, precision, 50 MHz decompensated CMOS operational amplifier for cost sensitive systems
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OPA810—Single Channel, High Performance, 27 V, 140 MHz, RRIO FET Input Op Amp
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OPA837—Low-power, precision 105-MHz voltage-feedback operational amplifier
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OPA365—2.2V, 50MHz, Low-Noise, Single-Supply Rail-to-Rail Operational Amplifier
General-purpose op amps
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LM358B—Dual, 36-V, 1.2-MHz, 3-mV offset voltage operational amplifier with -40°C to 85°C operation
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TLV9301—Single, 40-V, 1-MHz, low-power operational amplifier
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TLV9352—Dual, 40-V, 3.5-MHz, low-power operational amplifier
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LM2904B—Dual, 36-V, 1.2-MHz operational amplifier with -40°C to 125°C operation
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LM2902B-Q1—Automotive, quad 36V 1.2MHz operational amplifier
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TLV9062—Dual, 5.5-V, 10-MHz operational amplifier
Comparators
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LM393B—Dual commercial grade standard comparator
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TLV3601—2.5-ns high-speed rail-to-rail comparator with push-pull outputs
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LM2901AV—Precision quad differential comparator
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TLV3511—6ns push-pull comparator with rail-to-rail inputs
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LM2903—Dual differential comparator
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TL331LV—1.65-V to 5.5-V, low-voltage single standard comparator with Pin 4 output
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TIDA-010062—1-kW, 80+ titanium, GaN CCM totem pole bridgeless PFC and half-bridge LLC with LFU reference design
Analog Design Journal
Application note
Hardware development
Evaluation board
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TMDSCNCD280025C — TMS320F280025C evaluation module for C2000™ MCU controlCARD™
Software development
Software development kit (SDK)
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C2000WARE-DIGITALPOWER-SDK — DigitalPower software development kit (SDK) for C2000™ MCUs
Technical documentation
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