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STMicroelectronics VIPER26HD | Demoboard STDES-3KWTLCP Main Board
3 kW telecom rectifier reference design based on the STM32G474RBT6 digital power MCU
Overview
| Topology | Power Factor Correction |
| Output 1 | 56.2 V / 28 A |
| Output 2 | 56.2 V / 56 A |
| IC revision | 1 |
Description
The STDES-3KWTLCP is a 3 kW AC-DC converter designed for telecom rectifier applications. This type of application requires a high efficiency over the entire load range of operation and across the universal mains input voltage range.This reference design opens the path to a compact solution (up to 40 W/inch3), offering a high peak efficiency (96.3%), low THD distortion (less than 5% THD at full load), and a reduced bill of materials.The system consists of two power stages: a bridgeless totem-pole PFC controlled by an STM32G474RBT6 and an isolating regulation stage implemented with a full-bridge LLC with zero-voltage-switching (ZVS) PWM, and synchronous rectification (SR) controlled by a second STM32G474RBT6 microcontroller.The STDES-3KWTLCP also helps you to design an innovative topology with the latest ST power kit devices: silicon carbide MOSFETs, high-voltage MDmesh MOSFETs, STripFET MOSFETs, isolated FET drivers, and a VIPer converter.The STDES-3KWTLCP is a fully assembled kit developed for performance evaluation only, not available for sale.
Features
- Input voltage range: 90 to 264 VAC
- Output voltage: 53.5 V
- Maximum output power: 3 kW at 230 V, 1.5 kW at 115 VAC
- Peak efficiency: 96.3%
- Power density: 40 W/in3
- Power factor >0.98 at 100% load
- Total harmonic distortion <5% at 100% load
Typical applications
- Server Telecom
- Power/ On board
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. (°) | Pitch (mm) | Gender | Type | Mount | Working Voltage (V (AC)) | PCB/Cable/Panel | Contact Resistance (mΩ) | Tol. R | L (mm) | Packaging | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | Fl (mm) | Operating Temperature | SW (mm) | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | Ø D (mm) | W (mm) | H (mm) | IR (A) | Ti | Tl (mm) | Pins (Value) (pcs) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 150060VS75000 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WL-SMCW SMT Mono-color Chip LED Waterclear | 570 | Bright Green | 572 | 40 | 2 | AlInGaP | 140 | – | – | – | SMT | – | – | – | – | 1.6 | Tape and Reel | – | – | – | 0603 | -40 °C up to +85 °C | – | – | – | – | -40 °C up to +85 °C | – | – | – | – | – | 0.8 | 0.7 | – | – | – | – | ||
| 150060YS75000 | SPEC | 25 files RAY files
| Active i| Production is active. Expected lifetime: >10 years. | WL-SMCW SMT Mono-color Chip LED Waterclear | 590 | Yellow | 595 | 120 | 2 | AlInGaP | 140 | – | – | – | SMT | – | – | – | – | 1.6 | Tape and Reel | – | – | – | 0603 | -40 °C up to +85 °C | – | – | – | – | -40 °C up to +85 °C | – | – | – | – | – | 0.8 | 0.7 | – | – | – | – | ||
| 150060RS75000 | SPEC | 25 files RAY files
| Active i| Production is active. Expected lifetime: >10 years. | WL-SMCW SMT Mono-color Chip LED Waterclear | 625 | Red | 630 | 250 | 2 | AlInGaP | 140 | – | – | – | SMT | – | – | – | – | 1.6 | Tape and Reel | – | – | – | 0603 | -40 °C up to +85 °C | – | – | – | – | -40 °C up to +85 °C | – | – | – | – | – | 0.8 | 0.7 | – | – | – | – | ||
 | 860020373010 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-ATG5 Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | 2.5 | – | – | – | – | – | – | – | 11 | Ammopack | 220 µF | ±20% | 16 | – | -40 °C up to +105 °C | 15 | – | – | – | – | – | 2000 | 215 | 35.2 | 6.3 | – | – | – | – | – | – | ||
 | 885012206067 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.6 | 7" Tape & Reel | 22 nF | ±10% | 25 | 0603 | – | 3.5 | 10 GΩ | X7R Class II | 0.4 | -55 °C up to +125 °C | – | – | – | – | – | 0.8 | 0.8 | – | – | – | – | ||
| 885012206076 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.6 | 7" Tape & Reel | 1 µF | ±10% | 25 | 0603 | – | 10 | 0.5 GΩ | X7R Class II | 0.4 | -55 °C up to +125 °C | – | – | – | – | – | 0.8 | 0.8 | – | – | – | – | ||
| 885012206092 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.6 | 7" Tape & Reel | 33 nF | ±10% | 50 | 0603 | – | 2.5 | 10 GΩ | X7R Class II | 0.4 | -55 °C up to +125 °C | – | – | – | – | – | 0.8 | 0.8 | – | – | – | – | ||
| 885012106012 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.6 | 7" Tape & Reel | 4.7 µF | ±20% | 10 | 0603 | – | 10 | 0.02 GΩ | X5R Class II | 0.4 | -55 °C up to +85 °C | – | – | – | – | – | 0.8 | 0.8 | – | – | – | – | ||
| 885012107014 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 16 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 2 | 7" Tape & Reel | 10 µF | ±20% | 16 | 0805 | – | 10 | 0.01 GΩ | X5R Class II | 0.5 | -55 °C up to +85 °C | – | – | – | – | – | 1.25 | 1.25 | – | – | – | – | ||
 | 64800411622 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-WTB 1.50 mm Male Vertical Shrouded Header | – | – | – | – | – | – | – | 1.5 | Male | Vertical | THT | 50 | PCB | 20 | max. | 7.5 | Bag | – | – | – | – | – | – | 100 MΩ | – | – | -25 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | 4 | |
 | 653006117322 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-WTB 1.25 mm Male Horizontal Shrouded Header | – | – | – | – | – | – | – | 1.25 | Male | Horizontal | THT | 125 | PCB | 20 | max. | 9.25 | Tube | – | – | – | – | -25 °C up to +85 °C | – | 100 MΩ | – | – | -40 °C up to +85 °C | – | – | – | – | – | – | – | 1 | – | – | 6 | |
 | 970200324 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WA-SBRII Brass Spacer Stud, metric, internal/internal | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 20 | Carton | – | – | – | – | – | – | – | – | – | -55 °C up to +150 °C | 5.5 | – | – | – | – | – | – | – | M3 | – | – | |
 | 74650074R | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WP-THRBU REDCUBE THR with internal through-hole thread | – | – | – | – | – | – | – | – | – | – | THR | – | – | – | – | – | Tape and Reel | – | – | – | – | – | – | – | – | – | -55 °C up to +150 °C | – | – | – | – | – | 7 | 3 | – | M4 | 2.5 | 4 | |
 | 885342211006 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSMH Mid and High Voltage | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 4.5 | 7" Tape & Reel | 100 nF | ±10% | 630 | 1812 | -55 °C up to +125 °C | 2.5 | 1 GΩ | X7R Class II | 0.5 | -55 °C up to +125 °C | – | – | – | – | – | 3.2 | 2 | – | – | – | – | ||
| 750344753 | SPEC | – | – | Active i| Production is active. Expected lifetime: >10 years. | Flyback Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 750344767 | SPEC | – | – | Active i| Production is active. Expected lifetime: >10 years. | Flyback Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 150060VS75000 | SPEC | |
| 150060YS75000 | SPEC | |
| 150060RS75000 | SPEC | |
| 860020373010 | SPEC | |
| 885012206067 | SPEC | |
| 885012206076 | SPEC | |
| 885012206092 | SPEC | |
| 885012106012 | SPEC | |
| 885012107014 | SPEC | |
| 64800411622 | SPEC | – |
| 653006117322 | SPEC | – |
| 970200324 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | – |
| 74650074R | SPEC | – |
| 885342211006 | SPEC | |
| 750344753 | SPEC | – | |
| 750344767 | SPEC | – |
| Samples |
|---|
| 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. (°) | Pitch (mm) | Gender | Type | Mount | Working Voltage (V (AC)) | PCB/Cable/Panel | Contact Resistance (mΩ) | Tol. R | L (mm) | Packaging | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | Fl (mm) | Operating Temperature | SW (mm) | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | Ø D (mm) | W (mm) | H (mm) | IR (A) | Ti | Tl (mm) | Pins (Value) (pcs) | Samples |
|---|