IR38062MTRPBF - 15A Digital Sync Buck Regulator | Infineon
MPN: IR38062MTRPBF ✓ Hoạt độngIR38062MTRPBF Tóm tắt
A buck regulator (also called a step-down DC-DC converter) is a power management IC that converts a higher DC input voltage to a lower DC output voltage with high efficiency by rapidly switching the input across an inductor and filtering the result. It belongs to the broader category of voltage regulators within power management ICs and is preferred over linear regulators whenever the input-to-output voltage differential is large, because switching conversion avoids the heavy thermal losses inherent to linear dropout regulation. Digital SupIRBuck regulators add PMBus telemetry and configuration on top of the analog PWM control loop.
Key features of the IR38062MTRPBF include 15 A continuous output current, 0.5 percent reference accuracy, programmable switching frequency up to 1.5 MHz, internal soft-start, and comprehensive protection such as overcurrent, overvoltage, undervoltage, and thermal shutdown. The PMBus interface exposes voltage, current, temperature, and fault status registers, while the Rt/Sync pin allows the converter to be synchronized to an external clock or another regulator for multi-phase or noise-sensitive applications.
Technically, the IR38062 uses voltage-mode control with a wide-bandwidth error amplifier, an integrated bootstrap diode, and per-cycle current limit on the low-side FET to deliver robust transient response. The 34-pin PQFN package exposes a large thermal pad to keep junction temperature rise within safe limits at full 15 A load, and the digital core allows designers to trim margining, sequencing, and fault thresholds in-circuit via PMBus without replacing components.
Typical applications include POL (point-of-load) converters in telecom and networking equipment, FPGA and ASIC core/IO rails in servers and datacenters, industrial automation controllers, graphics cards, and any distributed power architecture that requires digital monitoring and tight regulation across multiple rails.
When designing with this part, place input ceramic capacitors as close as possible to PVin and PGND, use the recommended inductor with low DCR for high efficiency, and connect the PMBus lines (SCL, SDA, SALERT) to a system controller for telemetry. Ensure adequate PCB copper on the thermal pad for 15 A continuous operation without exceeding the maximum junction temperature.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet, helping sourcing engineers and power designers evaluate the IR38062MTRPBF for production deployment.
Bộ thay thế dễ dàng lắp đặt cho IR38062MTRPBF — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với IR38062MTRPBF (cùng hình factor và footprint) — khác nhau ở Package, RoHS Status, Digital Interface, Maximum Output Current, Output Voltage Range.
IR38062M
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
IR3812MTR1PBF
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
IR3847MTRPBF
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
IR3894MTRPBF
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
IR3811MTRPBF
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
IR38062MTRPBF Tỷ lệ tối đa & tính chất điện
| Cấu trúc | Synchronous Buck (Step-Down) |
| Phạm vi điện áp đầu vào | 5.5 V to 21 V |
| Khoảng điện áp đầu ra | 0.5 V to 0.875 x PVin (max 18.375 V) |
| Điện áp tối đa đầu ra | 15 A |
| Reference Accuracy | 0.5 % |
| Switching Frequency Range | 400 kHz to 1.5 MHz |
| Số lượng đầu ra | 1 |
| Kiểu đầu ra | Adjustable |
| Digital Interface | PMBus |
| Integrated MOSFETs | Yes (high-side and low-side) |
| Internal LDO for Single-Supply Operation | Yes (21 V) |
| Bắt đầu mềm | Internal, programmable |
| Hộp | 34-PowerVFQFN (PQFN, 5 x 7 mm) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant (PBF suffix) |
Hướng dẫn cấu hình chân IR38062MTRPBF 34-powervfqfn (pqfn, 5 x 7 mm)
Cấu hình chân cho IR38062MTRPBF (34-powervfqfn (pqfn, 5 x 7 mm) gói). Động cơ điện này có chân cổng, nguồn và đầu ra. Đối với các gói không phân極, tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết hướng dẫn chính xác của chân 1 và chi tiết về vân footprint. Các ứng dụng phổ biến bao gồm thiết kế nguồn cung cấp điện, điều khiển động cơ và chuyển đổi tải.
Không có dữ liệu chân cụ thể sẵn có cho IR38062MTRPBF.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
IR38062MTRPBF phù hợp cho 6 Áp dụngs: Telecom and Networking POL Converters, FPGA and ASIC Core/IO Power, Server and Datacenter VRM, Industrial Automation Controllers, Graphics Card and GPU Memory Rails, Test and Measurement Equipment.
Telecom and Networking POL Converters
The IR38062MTRPBF's 15 A continuous output and 0.5 V to 18.375 V adjustable range make it a strong fit for telecom and networking POL rails that power switching ASICs, PHYs, and packet processors. Its 0.5 percent VOUT accuracy keeps voltage variation within ASIC tolerance bands, while the PMBus interface lets the system controller read real-time IOUT and temperature, which is essential for energy-efficient Ethernet (EEE) power-state transitions. Operating from a single 5.5 V to 21 V supply removes the need for a separate 5 V bias rail, simplifying board layout.
Được đề xuất
FPGA and ASIC Core/IO Power
FPGAs and ASICs typically demand 0.85 V to 3.3 V core and IO rails at 10-15 A with tight accuracy, which the IR38062MTRPBF delivers at switching frequencies up to 1.5 MHz. The 400 kHz-1.5 MHz programmable range allows designers to optimize efficiency versus transient response, while the exposed thermal pad on the 34-pin PQFN package handles continuous 15 A dissipation without external heatsinking. PMBus margining supports FPGA bitstream characterization voltage sweeps.
Được đề xuất
Server and Datacenter VRM
Datacenter motherboards and accelerator cards require dense POL conversion with telemetry for thermal and power management, which the IR38062MTRPBF provides via its PMBus interface. The 15 A capability covers processor auxiliary rails, DDR termination, and PCIe retimer supplies, while the integrated high-side and low-side MOSFETs shrink the BOM versus discrete designs. The Rt/Sync pin allows phase-shifted synchronization between multiple IR38062 instances to reduce input ripple.
Được đề xuất
Industrial Automation Controllers
Industrial PLCs, motor controllers, and factory automation modules operate from 24 V backplanes that the IR38062MTRPBF steps down to 3.3 V, 5 V, and sub-1 V rails with telemetry for predictive maintenance. The -40 C to +125 C operating range and RoHS-compliant PQFN package suit factory floor environments. PMBus fault reporting reduces service truck rolls by surfacing regulator health to the host controller before catastrophic failure.
Được đề xuất
Graphics Card and GPU Memory Rails
Modern GPUs and GDDR6 memory require 15 A-capable POL converters with precise voltage control for power-state transitions. The IR38062MTRPBF's 0.5 percent accuracy and PMBus VOUT trim allow real-time GPU voltage optimization during gaming, compute, and idle states. Its 1.5 MHz switching frequency shrinks output inductor and capacitor size, freeing board area for GPU package and memory routing.
Được đề xuất
Test and Measurement Equipment
Bench power supplies, oscilloscopes, and signal generators need clean, low-ripple rails that the IR38062MTRPBF delivers through its synchronous topology and programmable frequency. The PMBus interface supports manufacturing test scripts that read back VOUT and IOUT for automated calibration, while the exposed thermal pad ensures stable operation across long test campaigns. Telemetry logs temperature and fault events for quality traceability.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho IR38062MTRPBF — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | IR38062M | IR3812MTR1PBF | IR3847MTRPBF | IR3894MTRPBF | IR3811MTRPBF |
|---|---|---|---|---|---|---|
| Package | 34-PowerVFQFN (PQFN, 5 x 7 mm) | 34-PowerVFQFN (PQFN, 5 x 7 mm) - same | 34-PowerVQFN (PQFN) - same footprint | 34-PowerVQFN (PQFN) - same footprint | 34-PowerVQFN (PQFN) - same footprint | 34-PowerVQFN (PQFN) - same footprint |
| Brand | Infineon | Infineon | Infineon | Infineon | Infineon | Infineon |
| Output Current | 15 A | 15 A | 6 A | 12 A | 12 A | 7 A |
| Input Voltage Range | 5.5 V to 21 V | 5.5 V to 21 V | 5.5 V to 21 V | 5.5 V to 21 V | 5.5 V to 21 V | 5.5 V to 21 V |
| Digital Interface | PMBus | PMBus | PMBus | Analog (no PMBus) | Analog (no PMBus) | Analog (no PMBus) |
| Switching Frequency | 400 kHz to 1.5 MHz | 400 kHz to 1.5 MHz | 250 kHz to 1.5 MHz | 400 kHz to 1.5 MHz | 300 kHz to 1.5 MHz | 250 kHz to 1.5 MHz |
| Reference Accuracy | 0.5 % | 0.5 % | 0.5 % | 0.5 % | 0.6 % | 0.5 % |
| Integrated MOSFETs | Yes (HS + LS) | Yes (HS + LS) | Yes (HS + LS) | Yes (HS + LS) | Yes (HS + LS) | Yes (HS + LS) |
| Unit Price (qty 1, approx.) | $7.50 | Similar (same die) | $5.20 | $4.80 | $4.90 | $4.30 |
Bảo phân biệt quan trọng
- Higher continuous output current than IR3812MTR1PBF (vsIR3812MTR1PBF)
- PMBus digital interface versus analog SupIRBuck parts (vsIR3847MTRPBF)
- Single-supply 21 V operation via internal LDO (vsIR3811MTRPBF)
Ghi chú thiết kế
At 15 A continuous load with a typical 12 V to 1.0 V conversion, the IR38062MTRPBF dissipates approximately 2-3 W inside the PQFN-34 package. The exposed thermal pad must be soldered to a PCB copper pour of at least 1 square inch on top layer, plus thermal vias to inner copper planes, to keep junction temperature rise within the 125 C maximum. Designers should validate thermal performance with a real PCB under worst-case airflow conditions.
Place input ceramic capacitors (typically 2 x 22 uF X7R 25 V) as close as possible to the PVin and PGND pins to minimize switching loop inductance. Use a 4-layer PCB with a dedicated ground plane and place the output inductor and capacitors adjacent to the SW and VOUT pins. PMBus traces (SCL, SDA, SALERT) should be routed away from SW node to avoid noise coupling.
The Rt/Sync pin should be connected to the external resistor with a short trace to AGND to avoid noise pickup that could shift switching frequency. Place the feedback resistor divider close to the FB pin with the upper resistor tied to VOUT_SENSE and the lower to AGND_SENSE for accurate voltage regulation. Avoid routing high-current paths under the IC to prevent ground bounce.
Do not exceed the 21 V maximum input voltage, as overvoltage can damage the internal MOSFETs and LDO. Ensure the PMBus address pins (ADR0/ADR1) are tied to AGND, VDD, or left floating according to the desired address; incorrect addressing causes communication failures. The internal soft-start capacitor setting should not be set shorter than the output capacitor charge time, or inrush current may trip OCP.
Thông tin tuân thủ
RoHS compliance indicated by PBF suffix per Infineon ordering convention. AEC-Q100 not applicable (industrial/commercial grade). Halogen-free status not confirmed in available snippets.
