ISL6219CA-T - 60A 3-Phase Buck PWM Controller | Renesas
料号： ISL6219CA-T ✓ 量产中ISL6219CA-T 概述
A multi-phase buck controller is a power-management IC that controls several synchronized switching phases to distribute load current and reduce the effective ripple current seen by the power supply. The ISL6219CA-T belongs to the voltage-mode PWM controller hierarchy, which is used to regulate low-voltage processor rails in mobile-computing systems. Its voltage-mode architecture simplifies compensation planning compared with current-mode controllers, although the compensation network must be designed for the selected output capacitance and switching frequency.
The controller supports a 1.1V to 1.85V regulated output and a switching-frequency range of 100kHz to 1.5MHz. These characteristics suit applications in which a mobile processor requires a low core-voltage rail and the system designer needs flexibility between switching frequency, magnetics size, and conversion efficiency. The stated 60A capability describes the maximum multi-phase system output for which the controller is intended; external MOSFETs, inductors, capacitors, and the complete power stage determine the practical operating current.
ISL6219CA is identified as a precision, multi-phase buck PWM controller for mobile applications. Its three interleaved phases can reduce input and output ripple, distribute conduction and switching losses across multiple power stages, and support higher aggregate current than a conventional single-phase regulator. Voltage-mode control provides a direct duty-cycle control path, while the external power stage allows designers to select MOSFETs and inductors according to load, efficiency, and thermal requirements.
Typical uses include Intel mobile-processor core-voltage regulation, notebook computers, tablets, embedded computing platforms, and other compact systems requiring a high-current, low-voltage rail. The 1.5MHz upper switching frequency can support compact magnetics and faster transient response, while operation near 100kHz can favor lower switching loss in designs where response requirements permit it.
A key design consideration is the relationship between controller settings, compensation, and the external power stage. Verify the operating-frequency range against the selected inductors, MOSFETs, and output capacitors, and follow the pin-description and application-circuit tables in the manufacturer datasheet when assigning nets and calculating compensation.
This page consolidates the documented electrical envelope, package information, sourcing paths, and engineering guidance for the ISL6219CA-T. It also distinguishes the controller from similarly described devices and emphasizes the verification required when reusing an existing multi-phase power-supply layout.
直接替换替代料： ISL6219CA-T ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
ISL6219CA
✅ 直接替换📋 参考替代料（不在目录中）
ISL6219CA-T 最大额定值与电气特性
| Controller Type | Voltage-mode PWM controller |
| 拓扑 | Precision multi-phase synchronous buck controller |
| Regulated Output Voltage Range | 1.1 V to 1.85 V |
| Maximum Aggregate Output Current | 60 A |
| Number of Buck Phases | 3 phases |
| Switching Frequency Range | 100 kHz to 1500 kHz |
| Control Method | Voltage-mode PWM |
| Rectification Method | Synchronous rectification |
| Phase Interleaving | Yes |
| Application Category | Mobile microprocessor core-voltage regulation |
| 封装 | 28-pin SSOP |
| 安装类型 | Surface mount |
ISL6219CA-T 28-pin ssop 引脚配置指南
ISL6219CA-T（28-pin ssop 封装）的引脚配置。 该功率器件具有栅极、漏极和源极端子。对于无极性封装，请参阅制造商数据手册以了解确切的引脚 1 方向和封装尺寸细节。常见应用包括电源设计、电机驱动和负载开关。
暂无详细引脚数据： ISL6219CA-T.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ISL6219CA-T 适用于 6 应用s: Mobile Processor Core Regulation, Notebook Computer Core Supply, Tablet and Embedded Computing, Multi-Phase 12V Core Rail Conversion, High-Current Voltage Regulation, Low-Voltage Compute Platform.
Mobile Processor Core Regulation
The ISL6219CA-T fits mobile processor supplies because it regulates a 1.1V to 1.85V core rail while distributing conversion current across as many as three interleaved, synchronous-rectified phases. Its stated 60A aggregate capability addresses high transient-current platforms, while the 100kHz to 1.5MHz range provides flexibility between magnetics size, efficiency, and response. The controller does not create 60A by itself; external MOSFETs, inductors, and capacitors determine the realized current, losses, and transient performance.
Notebook Computer Core Supply
A notebook-computing platform can use the ISL6219CA-T for its low-voltage processor core rail because the controller supports 1.1V to 1.85V regulation and three interleaved buck phases. Interleaving can lower effective capacitor ripple current compared with a single-phase converter and spreads conduction and switching losses across multiple stages. Designers should select the switching frequency, compensation network, inductors, and MOSFETs together so that processor load transients, acoustics, thermal rise, and standby behavior remain acceptable.
Tablet and Embedded Computing
The ISL6219CA-T is suitable for compact tablet and embedded-computing systems that need a high-current, low-voltage processor rail in a constrained power-supply layout. Its three-phase architecture allows the designer to use separate external power stages rather than concentrating all load current in one switching path. The 1.5MHz maximum operating frequency can enable smaller magnetic components, although the final selection must also satisfy efficiency, thermal, and transient requirements established by the target processor.
Multi-Phase 12V Core Rail Conversion
The ISL6219CA-T can serve as the PWM controller in a 12V-to-low-voltage core converter using three external synchronous-rectified phases. The controller's voltage-mode architecture gives the designer a direct duty-cycle control path for a 1.1V to 1.85V output, while the external MOSFETs and inductors set the practical current capability. Input and output capacitor selection must account for ripple-current sharing, and the compensation network must be validated against the final output capacitance and ESR.
High-Current Voltage Regulation
For a 60A-class regulated rail, the ISL6219CA-T's three interleaved phases provide a practical architecture for distributing current and reducing effective ripple current. Each phase requires its own external switching devices and magnetics, so thermal design must compare per-phase conduction loss, switching loss, inductor copper loss, and core loss at the selected duty cycle. The 60A figure should be treated as a maximum design target, with actual continuous and transient limits established from the complete power-stage implementation.
Low-Voltage Compute Platform
The ISL6219CA-T supports low-voltage compute platforms requiring precise core regulation between 1.1V and 1.85V. The multi-phase approach can improve transient response by allowing multiple inductors and synchronous switches to share load changes, while the selectable 100kHz to 1.5MHz operating range supports different efficiency and magnetics targets. Final validation should include worst-case load steps, minimum load behavior, startup sequencing, current limiting, thermal conditions, and the processor's specified power-rail tolerances.
工程参考数据： ISL6219CA-T ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | ISL6219CA |
|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics |
| Package | 28-pin SSOP | 28-pin SSOP |
| Controller Type | Voltage-mode PWM controller | Voltage-mode PWM controller |
| Regulated Output Voltage | 1.1 V to 1.85 V | 1.1 V to 1.85 V |
| Maximum Aggregate Output Current | 60 A | 60 A |
| Number of Phases | 3 phases | 3 phases |
| Switching Frequency Range | 100 kHz to 1500 kHz | 100 kHz to 1500 kHz |
| Rectification | Synchronous | Synchronous |
| Application Category | Mobile microprocessor core-voltage regulation | Mobile microprocessor core-voltage regulation |
| Ordering Configuration | ISL6219CA-T | Base ISL6219CA ordering code |
关键差异点
- Dedicated three-phase core-regulation architecture （对比 Single-phase buck controllers)
- Wide switching-frequency adjustment range （对比 Fixed-frequency mobile PWM controllers)
- High aggregate current target for low-voltage rails （对比 Lower-current single-phase regulators)
- Drop-in base-part option （对比 ISL6219CA)
设计说明
Calculate MOSFET conduction and switching loss at the selected operating frequency and phase duty cycle rather than assigning the full 60A rating to one device. Include inductor copper loss, core loss, capacitor ESR, and controller bias power. Use the worst thermal case and the actual phase-current distribution because transient sharing and component tolerances can create unequal stress.
Place the controller, compensation components, gate-drive connections, and feedback-sensing paths according to the manufacturer application circuit. Keep the feedback route away from switching-node copper and high-current inductor paths. The three gate-drive loops and power-stage components should use low-loop-area layouts, while high-current paths should have short copper connections and low-resistance planes.
Do not select the switching frequency independently of the external inductors, MOSFETs, output capacitors, and compensation network. Confirm that the chosen operating point remains within the 100kHz to 1.5MHz controller range and that the complete power stage supports the intended 1.1V to 1.85V rail. Also verify current-limit, startup, enable, and fault behavior in the manufacturer datasheet before releasing the layout.
Estimated: multiply each MOSFET's estimated conduction loss and switching loss by the number of operating phases, then add inductor and controller losses to obtain total system dissipation. Apply the resulting heat to the component-specific thermal model and account for ambient temperature, copper area, airflow, and adjacent heat sources. Validate the hottest operating phase because uneven current sharing can reduce the thermal margin.
合规信息
The available product and distributor records do not explicitly state the requested compliance attributes. Confirm current compliance documentation for the exact ordering code before regulated or qualification-controlled use.
