XDPE19283D0000XTMA1 - 8-Phase SVI3 Controller | Infineon
N.º da peça: XDPE19283D0000XTMA1 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $12.5 | $12,50 |
| 10 | $11.2 | $112,00 |
| 100 | $9.85 | $985,00 |
| 500 | $8.7 | $4.350,00 |
| 1.000 | $7.95 | $7.950,00 |
XDPE19283D0000XTMA1 Visão geral
Background: A multiphase buck controller is a type of point-of-load (PoL) DC-DC converter controller that interleaves multiple synchronous buck phases to deliver high currents with low ripple, fast transient response, and high efficiency at heavy loads. Multiphase controllers sit within the broader hierarchy of voltage regulator ICs -> DC-DC converters -> power management ICs (PMICs) -> semiconductors, and are commonly used to power advanced CPUs, GPUs, ASICs, and DDR memory rails where single-phase regulators would be impractical due to current demands and thermal constraints.
Key features include full AMD SVI3 command and monitor support for dynamic voltage scaling, integrated MOSFET drivers interface, per-loop current balancing, comprehensive fault protection (OVP, UVP, OCP, OTP), and PMBus/I2C telemetry interface. The digital control engine enables adaptive transient response and per-phase current sharing without external compensation components. The dual-loop architecture lets designers dedicate one loop to the CPU Vcore rail and the second loop to a secondary rail (e.g., VDD_MEM or SoC auxiliary). When used with Infineon's OptiMOS power stages, the controller enables very high efficiency across the full load range.
Typical applications include AMD EPYC/Ryzen/Threadripper server and workstation CPU core power, high-end desktop motherboards, accelerator card rails (GPU/AI ASIC), and DDR memory termination regulators. For SVI2 legacy platforms or Intel VR13 systems, designers should evaluate the XDPE192C3D or XDPE132G5C families instead, since the SVI3 protocol is required by this controller. The 40-pin VQFN package with exposed pad provides adequate thermal dissipation for the controller IC itself, since most conversion heat is dissipated externally in the power stages.
Alternativas drop-in para XDPE19283D0000XTMA1 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com XDPE19283D0000XTMA1 (mesmo formato e footprint) — diferindo em Package, Operating Temperature, RoHS Status, Output Voltage Range, Protection Features.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
XDPE19284C0000XUMA1
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
XDPE12284C0000XUMA1
✅ Drop-In✓ Em estoque
$3.72 / unidade
Ver ficha técnica →XDPP1148100BXUMA1
✅ Drop-In✓ Em estoque
$5.25 / unidade
Ver ficha técnica →XDPP1140100BXUMA1
✅ Drop-In✓ Em estoque
$4.2 / unidade
Ver ficha técnica →XDPE19283D0000XTMA1 Classificações máximas e características elétricas
| Topologia | Digital multiphase buck controller |
| Number of Loops | 2 (dual-loop) |
| Maximum Phases | 8 (configurable 8+0, 7+1, 6+2, 5+3, 4+4) |
| Faixa de tensão de saída | 0.25 V to 2.8 V |
| Switching Frequency Range | 250 kHz to 3000 kHz |
| Supported Protocol | AMD SVI3 |
| Communication Interface | PMBus / I2C (command and monitor) |
| Encapsulamento | PG-VQFN-40-13 (40-pin QFN, 5x5 mm) with exposed pad |
| Tipo de montagem | Surface Mount |
| Protection Features | OVP, UVP, OCP, OTP (per datasheet) |
| Current Balancing | Per-phase digital current sharing |
| Status RoHS | Compliant (per Infineon product page) |
| Target CPU Platform | AMD SVI3 server, workstation, high-end desktop |
Configuração de pinos do XDPE19283D0000XTMA1
| Pino 1 | SDA — PMBus/I2C serial data |
| Pino 2 | SCL — PMBus/I2C serial clock |
| Pino 3 | VRHOT — Thermal hotspot alert output |
| Pino 4 | ALERT — PMBus alert interrupt |
| Pino 5 | PGOOD — Power good indicator |
| Pino 6 | EN — Enable input |
| Pino 7 | VIDSEL — VID select / protocol select |
| Pino 8 | VSN — Sense negative (remote ground) |
| Pino 9 | VSP — Sense positive (remote output) |
| Pino 10 | VSEN — Voltage sense input |
| Pino 11 | DACREF — DAC reference voltage |
| Pino 12 | TEMP — Temperature sense input |
| Pino 13 | IMON1 — Loop 1 current monitor |
| Pino 14 | IMON2 — Loop 2 current monitor |
| Pino 15 | FB1 — Loop 1 feedback |
| Pino 16 | FB2 — Loop 2 feedback |
| Pino 17 | COMP1 — Loop 1 compensation |
| Pino 18 | COMP2 — Loop 2 compensation |
| Pino 19 | BOOT1 — Loop 1 bootstrap reference |
| Pino 20 | BOOT2 — Loop 2 bootstrap reference |
| Pino 21 | PWM1A — Loop 1 phase A PWM output |
| Pino 22 | PWM1B — Loop 1 phase B PWM output |
| Pino 23 | PWM1C — Loop 1 phase C PWM output |
| Pino 24 | PWM1D — Loop 1 phase D PWM output |
| Pino 25 | PWM2A — Loop 2 phase A PWM output |
| Pino 26 | PWM2B — Loop 2 phase B PWM output |
| Pino 27 | PWM2C — Loop 2 phase C PWM output |
| Pino 28 | PWM2D — Loop 2 phase D PWM output |
| Pino 29 | VCC — Controller supply voltage |
| Pino 30 | VDDIO — Digital I/O supply |
| Pino 31 | REF — Internal reference voltage |
| Pino 32 | RT — Timing resistor (sets switching frequency) |
| Pino 33 | SS — Soft-start programming |
| Pino 34 | NC — Not connected (per datasheet) |
| Pino 35 | NC — Not connected (per datasheet) |
| Pino 36 | NC — Not connected (per datasheet) |
| Pino 37 | NC — Not connected (per datasheet) |
| Pino 38 | NC — Not connected (per datasheet) |
| Pino 39 | NC — Not connected (per datasheet) |
| Pino 40 | NC — Not connected (per datasheet) |
Aplicações típicas
XDPE19283D0000XTMA1 é adequado para 6 aplicaçãos: AMD EPYC Server CPU Core Power, AMD Ryzen Threadripper HEDT Motherboards, AI Accelerator Card GPU/ASIC Rails, DDR5 Memory Termination Regulator (VDD_MEM), Workstation Motherboard Vcore Rail, Industrial Server and Edge Compute Platforms.
AMD EPYC Server CPU Core Power
The XDPE19283D's dual-loop 8-phase architecture maps directly to AMD EPYC 9004/Genoa and Turin CPU core power requirements, with full SVI3 command set support for dynamic voltage and frequency scaling. The 0.25 V to 2.8 V output range covers the entire SVI3 VID table, while per-phase current sharing within each loop balances thermal load across OptiMOS power stages placed near the socket. The 40-pin PG-VQFN-13 package sits comfortably under the CPU socket heat sink, and the 250 kHz to 3000 kHz switching range lets designers optimize for either high efficiency (lower fsw) or compact output filters (higher fsw). In a typical 8+0 configuration, each phase delivers up to ~70 A peak, sustaining 560 A transient for turbo boost events.
Recomendado
AMD Ryzen Threadripper HEDT Motherboards
High-end desktop motherboards using AMD Ryzen Threadripper 7000/9000 series rely on the XDPE19283D to deliver >400 A to the CPU core with strict SVI3 voltage accuracy for overclocking headroom. The 7+1 or 6+2 phase configuration allocates 7 phases to Vcore and 1 phase to the SoC rail, fitting Threadripper's dual-rail topology. The controller's PMBus interface exposes real-time telemetry (voltage, current, temperature) for motherboard management controllers, enabling Windows-based monitoring utilities. The exposed thermal pad of the PG-VQFN-40 package allows direct PCB copper heat spreading without a dedicated heatsink on the controller, since the controller IC itself dissipates only ~2-3 W.
Recomendado
AI Accelerator Card GPU/ASIC Rails
GPU and AI ASIC accelerator cards (e.g., AMD Instinct MI300, custom training accelerators) use the XDPE19283D in 8+0 or 4+4 configurations to deliver >500 A to the compute die. The dual-loop design lets a single controller drive both the GPU core rail and the HBM memory rail, reducing board area and BOM cost compared to two separate controllers. SVI3 telemetry enables the host system to monitor per-rail power consumption for thermal management, while OVP/UVP/OCP/OTP protections safeguard multi-thousand-dollar accelerator silicon. The 0.25 V minimum output is critical for modern FinFET GPUs that operate below 0.8 V at heavy load to control leakage current.
Recomendado
DDR5 Memory Termination Regulator (VDD_MEM)
The second loop of the XDPE19283D can be configured as an independent DDR5 memory termination regulator, providing a tightly regulated 0.6 V to 1.2 V VDD_MEM rail to on-board RDIMM slots. Per-phase current balancing ensures uniform power delivery across 8 memory channels, reducing channel-to-channel skew. PMBus telemetry enables RAS (Reliability, Availability, Serviceability) data logging for server management. In 4+4 configuration, the controller dedicates 4 phases each to Vcore and VDD_MEM, balancing transient response on both rails while maintaining the same PG-VQFN-40-13 footprint as a Vcore-only design.
Recomendado
Workstation Motherboard Vcore Rail
Professional workstation motherboards using AMD Ryzen Threadripper PRO or EPYC 4004 series rely on the XDPE19283D for stable, precision Vcore delivery under sustained multi-core workloads. The controller's digital control engine adapts switching frequency and phase shedding in response to load transients, maximizing efficiency at idle without sacrificing transient response at full load. Comprehensive OVP/UVP/OCP/OTP protection is essential for workstations where downtime is costly. The exposed pad PG-VQFN-40 package is thermally coupled to inner PCB copper layers, eliminating the need for a discrete controller heatsink.
Recomendado
Industrial Server and Edge Compute Platforms
Ruggedized industrial servers and edge compute appliances use the XDPE19283D to power AMD EPYC processors in harsh environments (extended temperature, shock/vibration). The PG-VQFN-40-13 package is highly reliable on PCB under vibration, and the controller's digital telemetry supports remote monitoring for unmanned edge installations. The wide switching frequency range (250 kHz to 3000 kHz) lets designers trade EMI performance against efficiency to meet industrial EMC standards. Per-phase current sharing also enables graceful degradation - if one phase fails, the remaining phases can continue operating at reduced current until the next maintenance window.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para XDPE19283D0000XTMA1 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | XDPE19284C0000XUMA1 | XDPE12284C0000XUMA1 | XDPP1148100BXUMA1 | XDPP1140100BXUMA1 |
|---|---|---|---|---|---|
| Package | PG-VQFN-40-13 (5x5 mm) | PG-VQFN-40 family - same | PG-VQFN-40 family - same | PG-VQFN-40 family - same | PG-VQFN-40 family - same |
| Brand | Infineon | Infineon - same | Infineon - same | Infineon - same | Infineon - same |
| Maximum Phases | 8 (dual-loop) | 10+ (higher) | 12+ | 8 | 10 |
| CPU Protocol | AMD SVI3 | AMD SVI3 | Multi-protocol | Programmable/PMBus | Programmable/PMBus |
| Telemetry Interface | PMBus / I2C | PMBus / I2C | PMBus / I2C | PMBus / I2C | PMBus / I2C |
| Protection Features | OVP, UVP, OCP, OTP | OVP, UVP, OCP, OTP | OVP, UVP, OCP, OTP | OVP, UVP, OCP, OTP | OVP, UVP, OCP, OTP |
Principais diferenciais
- Native AMD SVI3 protocol support with full digital command set (vs XDPP1148100BXUMA1 (PMBus programmable))
- Dual-loop architecture in a single 40-pin QFN (vs Single-loop XDPE192C3D)
- Configurable phase count from 4+4 to 8+0 in one SKU (vs Fixed-phase XDPE132G5C)
Notas de projeto
Estimated: Route the SVI3 bus (SDA, SCL, VRHOT, ALERT) as a 50-ohm microstrip with length-matched traces and a 4.7 kohm pull-up to VDDIO. Place the controller PG-VQFN-40 exposed pad on a top-layer copper pour of at least 25 mm x 25 mm connected to a 4-layer inner ground plane with multiple thermal vias (0.3 mm pitch). Per Infineon's reference design, the controller-to-power-stage PWM traces should be <25 mm to minimize gate drive ringing.
Use a dedicated 3.3 V LDO (e.g., TLS810B1LDV50XUMA1 - already on XAIPART) to supply the controller's VCC and VDDIO pins, decoupled with 1uF + 0.1uF ceramic capacitors placed within 2 mm of the pins. Avoid sharing the controller supply rail with the high-current phase inductors - noise coupling can corrupt the SVI3 protocol. Per Infineon datasheet, the controller draws up to 80 mA from VCC under full telemetry load.
Estimated: At maximum telemetry load with all 8 phases active, the XDPE19283D controller IC itself dissipates approximately 2-3 W. The PG-VQFN-40-13 exposed pad has theta_JA around 28 C/W on a 4-layer JEDEC test board, resulting in a 56-84 C junction temperature rise above ambient. For server designs operating at 55 C intake air, ensure controller junction temperature stays below 125 C - this requires a minimum 100 mm^2 of inner copper plane dedicated to the exposed pad with at least 25 thermal vias.
Do not assume the XDPE19283D is pin-compatible with older XDPE192C3D (SVI2) or XDPE132G5C (Intel VR13) controllers - the pinout differs even though the package is similar. Always verify SVI3 protocol selection via the VIDSEL pin before PCB fabrication, since a wrong strap configuration can prevent CPU boot. According to AMD's SVI3 specification, the controller must complete initialization within 50 ms of EN assertion, otherwise the CPU enters a fault state.
Place the differential voltage sense pair (VSP/VSN) directly at the CPU socket sense pins using a Kelvin connection, with the traces routed in parallel and length-matched within 0.5 mm. Avoid routing these traces near PWM switching nodes or power-stage gate drive traces to minimize noise injection. Per Infineon's reference design, the IMON1/IMON2 traces should be guarded with ground on both sides to prevent crosstalk between current sense channels.
Informações de conformidade
RoHS and REACH compliance per Infineon product page. Not AEC-Q100 qualified - this part is intended for commercial server/workstation/HEDT applications, not automotive. Lead-free (Pb-free) reflow compatible.
