ISL95866CHRZ-T 4+3-Phase IMVP8 PWM Controller | Renesas
MPN： ISL95866CHRZ-T ✓ 啟用中ISL95866CHRZ-T 概覽
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.
直接替換替代品，適用於 ISL95866CHRZ-T — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： ISL95866CHRZ-T （相同外形與佔位） — 差異在於 Package, Product Type.
此產品無可直接替換的替代品。
申請替代品ISL95866CHRZ-T 最大額定值與電氣特性
| 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 |
| 封裝 | 52-QFN, 6x6 mm, exposed pad |
| 安裝類型 | Surface mount |
| Target Market | Desktop microprocessor power systems |
ISL95866CHRZ-T 52-qfn, 6x6 mm, exposed pad 腳位配置指南
ISL95866CHRZ-T（52-qfn, 6x6 mm, exposed pad 封裝）的腳位配置。 此功率元件具有閘極、汲極與源極端子。對於非極性封裝，請參閱製造商資料表以取得確切的第 1 腳方向與佈局詳細資訊。常見應用包括電源設計、馬達驅動與負載切換。
無詳細腳位定義資料： ISL95866CHRZ-T.
請參閱 資料表 以查看完整腳位配置。
典型應用
ISL95866CHRZ-T 適用於 6 應用s: 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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
推薦產品摘要
工程參考資料，適用於 ISL95866CHRZ-T — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 |
|---|---|
| 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 |
主要差異化特點
- Maximum configured multiphase capacity (對比Unverified generic 52-QFN IMVP8 controllers)
- Independent dual-output architecture (對比Unverified single-output 52-QFN alternatives)
- Explicit desktop-domain coverage (對比Unverified controllers lacking published IA and GT domain support)
設計說明
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.
合規資訊
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.
