ISL95866CHRZ-T 4+3-Phase IMVP8 PWM Controller | Renesas
MPN: ISL95866CHRZ-T ✓ Hoạt độngISL95866CHRZ-T Tóm tắt
A multiphase PWM controller is a specialized voltage-regulator control IC that coordinates multiple power stages to deliver high-current processor rails efficiently. It belongs to the PWM-controller, voltage-regulator, and power-management-IC hierarchy. By distributing current across phases, it supports compact desktop-computing power systems while providing the monitoring, control, and protection functions required by high-performance microprocessors.
The verified product information identifies the ISL95866C as an Intel IMVP8-compliant, two-output controller with configurable phase counts. Its first regulator can be assigned to IA, GT, or GTUS operation according to the power-architecture configuration. The 52-QFN exposed-pad construction supports surface-mount integration and provides a designated underside thermal connection, although electrical, thermal, timing, and pin-function limits must be taken from the manufacturer datasheet before design release.
The controller is intended for desktop CPU and workstation power systems requiring dual high-current rails. Relevant deployments include IA core supplies, integrated graphics supplies, and unsliced graphics rails used by Intel IMVP8 platforms. Renesas positions the device as a complete controller solution; external power stages, inductors, capacitors, MOSFET drivers or power devices, and the processor's specified power-delivery network remain part of the complete regulator design.
A primary design consideration is IMVP8 power sequencing, telemetry, protection, and phase assignment. Engineers should follow the manufacturer reference implementation and datasheet layout guidance for the exposed pad, high-current paths, sensing connections, compensation, and debug interfaces. Pin definitions and exact electrical limits cannot be reconstructed from distributor summaries, so the complete 52-pin map and timing or current thresholds must be verified from the official Renesas documentation.
This page synthesizes verified manufacturer and distributor information, strict drop-in-replacement screening, application context, and practical design guidance. It does not infer missing electrical values or present packaging-only variants as substitutes.
Bộ thay thế dễ dàng lắp đặt cho ISL95866CHRZ-T — 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 ISL95866CHRZ-T (cùng hình factor và footprint) — khác nhau ở Package, Product Type.
Không có bộ thay thế dễ dàng lắp đặt sẵn có cho sản phẩm này.
Yêu cầu các bộ thay thếISL95866CHRZ-T Tỷ lệ tối đa & tính chất điện
| Product Type | 4+3 multiphase R3 PWM voltage-regulator controller |
| Processor Compliance | Intel IMVP8 compliant |
| Supported Processor Rails | IA, GT, GTUS, or GTX |
| Number of Voltage-Regulator Outputs | 2 outputs |
| First VR Phase Configuration | 4, 3, 2, or 1 phases |
| Second VR Phase Configuration | 3, 2, or 1 phases |
| Maximum Configured Phase Count | 7 phases total |
| Control Architecture | Robust Ripple Regulator PWM control |
| Hộp | 52-QFN, 6x6 mm, exposed pad |
| Kiểu lắp đặt | Surface mount |
| Target Market | Desktop microprocessor power systems |
Hướng dẫn cấu hình chân ISL95866CHRZ-T 52-qfn, 6x6 mm, exposed pad
Cấu hình chân cho ISL95866CHRZ-T (52-qfn, 6x6 mm, exposed pad 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 ISL95866CHRZ-T.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
ISL95866CHRZ-T phù hợp cho 6 Áp dụngs: Intel IMVP8 Desktop Core IA Rail, Integrated Graphics GT Rail, Unsliced Graphics GTUS or GTX Rail, Dual-Rail Workstation Processor Supply, Desktop Power-Sequencing System, Server-Class IMVP8 Platform.
Intel IMVP8 Desktop Core IA Rail
The ISL95866CHRZ-T fits a desktop IA core domain because its first voltage regulator can be configured for 4, 3, 2, or 1 phases, while the second regulator independently supports 3, 2, or 1 phases. According to Renesas, the controller is compliant with Intel IMVP8 and supports IA processor rails. It can coordinate the external multiphase power network, control, and protection required by a high-current CPU supply. Designers should still validate rail sequencing, current limits, telemetry, compensation, and power-stage sizing against the processor reference design and manufacturer datasheet.
Được đề xuất
Integrated Graphics GT Rail
Renesas identifies the GT rail as a supported domain for the ISL95866CHRZ-T, making the controller relevant to desktop systems that regulate processor graphics separately from the CPU core. Its two-output architecture permits the first VR to use up to four phases and the second up to three, enabling a platform to allocate conversion capability according to loading and design priorities. Integration benefits from coordinated control of both rails, but engineers must verify the target processor's GT requirements, load transitions, current telemetry, and reference power topology before release.
Được đề xuất
Unsliced Graphics GTUS or GTX Rail
The ISL95866CHRZ-T explicitly supports unsliced graphics domains identified as GTUS and GTX, which makes it applicable to desktop-microprocessor platforms that combine or allocate substantial graphics and system power. The controller's independent two-VR structure allows platform designers to configure phase counts rather than relying on one fixed topology. Because the verified material does not provide operating limits or power-stage recommendations, implementation must follow the Renesas ISL95866 documentation and the exact Intel reference design, including transient response, current reporting, protection, and startup sequencing.
Được đề xuất
Dual-Rail Workstation Processor Supply
A workstation-class processor platform can use the ISL95866CHRZ-T when it requires coordinated control of two high-current domains and a configurable total phase architecture. The first regulator accepts four, three, two, or one phase, while the second accepts three, two, or one phase, allowing engineers to match phase allocation to actual rail loading. This architecture is especially relevant when core and graphics behavior must be managed independently. Final power capacity depends on external MOSFETs, magnetics, compensation, and thermal design, none of which can be quantified from the supplied verified excerpts.
Được đề xuất
Desktop Power-Sequencing System
The dual-output IMVP8 focus makes the ISL95866CHRZ-T relevant to desktop power sequencing, where processor rails must start, operate, and shut down according to platform requirements. Renesas states that the controller provides control and protection for two voltage regulators, allowing one IC to supervise the coordinated operating state of two programmable domains. Sequence timing and protection thresholds must be programmed for the target platform rather than copied generically. Engineers should follow the manufacturer's reference implementation for enable sequencing, fault response, telemetry, and debug access.
Được đề xuất
Server-Class IMVP8 Platform
Although Renesas specifies desktop-microprocessor use, the ISL95866CHRZ-T can be evaluated for an IMVP8-based platform that satisfies the same dual-rail control requirements. Its 4+3 maximum phase arrangement provides substantial control flexibility, while separate configurations for the two outputs support asymmetric core and graphics loading. A server or high-end desktop implementation should not assume that controller qualification alone guarantees platform support; thermal performance, transient limits, telemetry interpretation, firmware protocols, and the processor vendor's validation must all match the manufacturer documentation.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ISL95866CHRZ-T — 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 |
|---|---|
| Package | 52-QFN, 6x6 mm, exposed pad |
| Brand | Renesas Electronics |
| Product Type | 4+3 multiphase R3 PWM voltage-regulator controller |
| Processor Compliance | Intel IMVP8 compliant |
| Voltage-Regulator Outputs | 2 outputs |
| First VR Phase Options | 4, 3, 2, or 1 phases |
| Second VR Phase Options | 3, 2, or 1 phases |
| Supported Processor Domains | IA, GT, GTUS, and GTX |
| Target Application | Desktop microprocessor power systems |
Bảo phân biệt quan trọng
- Maximum configured multiphase capacity (vsUnverified generic 52-QFN IMVP8 controllers)
- Independent dual-output architecture (vsUnverified single-output 52-QFN alternatives)
- Explicit desktop-domain coverage (vsUnverified controllers lacking published IA and GT domain support)
Ghi chú thiết kế
Treat the exposed pad as both an electrical connection and the principal thermal path. Follow the Renesas package drawing for pad geometry, via pattern, solder-mask clearance, and copper area; exact land-pattern dimensions are not available in the supplied excerpts. Validate junction temperature across maximum processor load, line transients, ambient temperature, and board airflow rather than relying on controller power alone, because the external MOSFETs and magnetics may dissipate most of the system heat.
Design each regulated rail as a complete multiphase power system rather than treating the ISL95866CHRZ-T as a standalone regulator. Select external power devices, inductors, capacitors, current-sense elements, and compensation for the configured phase count and target load. Use Renesas's ISL95866 reference implementation to coordinate PWM timing, slew behavior, fault response, and telemetry; the supplied excerpts do not provide enough electrical data to calculate component values safely.
Place high-current switching loops compactly and keep the controller's sensitive sensing, compensation, and telemetry routes away from power-stage switching nodes. Match current-sense traces according to the reference design, use the package's exposed-pad via arrangement, and verify differential-pair geometry where applicable. Do not invent pin names or route assignments from the distributor summaries; cross-check all 52 connections against the official datasheet before release.
Do not assume that a part in the same 52-QFN outline is interchangeable. A drop-in candidate must match every exposed-pad connection, supply pin, gate-drive output, sensor input, configuration input, telemetry interface, and protection function. Also avoid treating the non-T ISL95866CHRZ listing as identical until the order-code differences are confirmed. Platform substitution should therefore begin with a Renesas-approved or manufacturer-validated cross-reference.
Thông tin tuân thủ
The supplied excerpts do not state RoHS, REACH, halogen-free, lead-free, or conflict-minerals status. AEC-Q100 is treated as not applicable because this is a desktop microprocessor controller, not an identified automotive-qualified device.
