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 54V output
Current & voltage sense
Isolation (6)
Isolated amplifiers
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AMC1351—0-V to 5-V input, precision voltage sensing reinforced isolated amplifier
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AMC1200—±250-mV input, precision current sensing basic isolated amplifier
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AMC1311-Q1—Automotive, 2-V input, precision voltage sensing reinforced isolated amplifier
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AMC3302—±50-mV input, precision current sensing reinforced isolated amplifier with integrated DC/DC
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AMC3301—±250-mV input, precision current sensing reinforced isolated amplifier with integrated DC/DC
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AMC1350—±5-V input, precision voltage sensing reinforced isolated amplifier
Amplifiers (24)
General-purpose op amps
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TLV9362—Dual, 40-V, 10.6-MHz rail-to-rail output operational amplifier
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OPA4323—Quad, 5.5-V, 20-MHz, zero-cross low-noise (6 nV/√Hz) RRIO operational amplifier
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TLV9062-Q1—Automotive, dual 5.5-V 10-MHz operational amplifier
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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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LM2902B—Quad 36V 1.2MHz operational amplifier
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OPA4991—Quad, 40-V, 4.5-MHz, low-power operational amplifier
Precision op amps (Vos<1mV)
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OPA4197—Quad, 36-V, precision, rail-to-rail input output, low offset voltage op amp
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OPA189—Single, 14-MHz, mux-friendly, low-noise, zero-drift, RRO, CMOS precision operational amplifier
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OPA2328—Dual-channel, precision, 50-µV offset voltage, 40-MHz wide-bandwidth RRIO CMOS op amp
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OPA328—Precision, zero-crossover, 50μV offset voltage, 40MHz wide-bandwidth RRIO CMOS operational amplifier
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OPA192—High-Voltage, Rail-to-Rail Input/Output, 5µV, 0.2µV/˚C, Precision Operational Amplifier
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OPA376—Precision (0.025mV), low noise (7.5nV/rtHz), low quiescent current (760uA) op amp
High-speed op amps (GBW ≥ 50 MHz)
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OPA2607—Dual-channel, low-power, precision, 50-MHz decompensated CMOS op amp
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LMP7717—Single Channel, 88 MHz, Precision, Low Noise, 1.8V CMOS Input, Decompensated Amplifier
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OPA2863—Dual, low-power, 110-MHz, 12-V, rail-to-rail input and output (RRIO) voltage-feedback amplifier
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OPA810—Single Channel, High Performance, 27 V, 140 MHz, RRIO FET Input Op Amp
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OPA607—Low power, precision, 50 MHz decompensated CMOS operational amplifier for cost sensitive systems
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OPA2810—Dual channel, high performance, 27 V, 105 MHz, RRIO FET input op amp
Analog current-sense amplifiers
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INA293—-4-V to 110-V, 1.3-MHz, ultra-precise current sense amplifier
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INA199—26V, bi-directional current sense amplifier
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INA180—26V, 350kHz current sense amplifier
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INA213—26V, bi-directional, high-precision current sense amplifier
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INA210—26V, bi-directional, high-precision current sense amplifier
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INA240—-4 to 80V, bidirectional, ultra-precise current sense amplifier with enhanced PWM rejection
Power management (6)
Shunt voltage references
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TLA431—All-capacitor stable precision programmable reference with KRA pin layout
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ATL432LI—High-bandwidth, low-IQ programmable shunt regulator (pinout: RKA)
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TLA432—All-capacitor stable precision programmable reference with RKA pin layout
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TL4051A—Adjustable, 0.1% 50-ppm/°C precision micropower shunt voltage reference
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TL431—Adjustable precision shunt regulator
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LM4041B—Adjustable, precision micropower shunt voltage reference with 0.2% accuracy
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TIDA-01141—Shunt-Based, <1% Accurate, ±100A, High-Side, Bi-directional Current Measurement Reference Design
Technical documentation
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