ISL6558CRZ-T - 2-4 Phase Precision Buck Controller | Renesas
Teilenummer: ISL6558CRZ-T ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $2.9354 | $2,94 |
| 10 | $2.9354 | $29,35 |
| 100 | $2.9354 | $293,54 |
| 500 | $2.9354 | $1.467,70 |
| 1.000 | $2.9354 | $2.935,40 |
ISL6558CRZ-T Übersicht
A multiphase PWM controller is a specialized DC-DC converter control IC that coordinates several synchronized power stages. By distributing current among multiple phases, it supports higher output current, faster transient response, and lower effective ripple than a single-phase design. The ISL6558 sits within the hierarchy of PWM controllers, voltage-regulator ICs, DC-DC converters, and power-management semiconductors. It is intended to work with external MOSFETs and companion gate drivers rather than directly supplying the converter output.
The controller is designed for demanding CPU, GPU, networking, and other high-current digital rails. Renesas describes support for optional active voltage positioning, a technique that changes the converter's effective transient response through feedback or control settings. The architecture also includes current balancing and protection functions intended to improve operation across multiple power channels. Exact voltage, current, frequency, timing, and electrical limits are not present in the supplied verified excerpts and therefore must be confirmed from the manufacturer datasheet before design release.
The ISL6558 can be used in two-, three-, or four-phase synchronous buck arrangements when paired with the specified companion drivers and an appropriate external MOSFET power stage. This makes it suitable for high-current, high-slew-rate applications where load steps require rapid response and low output ripple. The 20-QFN exposed-pad package also supports compact converter layouts, but exposed-pad thermal design and gate-drive layout remain critical.
When designing around the ISL6558CRZ-T, follow the Renesas datasheet for compensation, current-sense implementation, gate-driver selection, MOSFET selection, and protection settings. Do not substitute a controller solely because its nominal phase count is similar; verify pin mapping, voltage ratings, timing, and compensation requirements. The device is a controller, so external gate drivers, inductors, high-current MOSFETs, and capacitors determine the converter's final output capability.
This page combines the verified Renesas product description, distributor package and ordering information, datasheet references, and practical design guidance. It distinguishes confirmed information from parameters that still require datasheet confirmation, helping engineers avoid treating a general multiphase-controller description as a complete electrical specification.
Drop-in-Alternativen für ISL6558CRZ-T – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
ISL6558CRZ
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
ISL6558CRZA
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
ISL6558CR-T
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
ISL6558IRZ-T
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
ISL6559
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
ISL6558CRZ-T Grenzwerte & elektrische Eigenschaften
| Product Type | Multiphase PWM controller |
| Converter Topology | Synchronous step-down buck controller |
| Supported Phase Count | 2 to 4 synchronous-rectified channels |
| Output Regulation | Output-voltage regulation with load-current balancing |
| Active Voltage Positioning | Optional |
| Compatible Gate Drivers | HIP6601B, HIP6602B, HIP6603B, or ISL6605 |
| Gehäuse | 20-QFN (5x5 mm) with exposed pad |
| Montageart | Surface mount |
| Ordering Suffix | -T |
| Control Function | PWM control |
| Rectification | Synchronous |
| Application Class | High-current, high-slew-rate applications |
| Protection Functions | Protection functions for 2 to 4 synchronous-rectified buck channels |
| Current Balance | Provided |
| Power Stage | External MOSFETs and companion gate drivers |
| Datasheet Page Count | 17 pages |
ISL6558CRZ-T 20-qfn (5x5 mm) with exposed pad Pinbelegungsleitfaden
Pinbelegung für ISL6558CRZ-T (20-qfn (5x5 mm) with exposed pad-Gehäuse). Dieses Leistungsbauteil verfügt über Gate-, Drain- und Source-Anschlüsse. Bei nicht gepolten Gehäusen entnehmen Sie die genaue Ausrichtung von Pin 1 und Footprint-Details dem Herstellerdatenblatt. Typische Anwendungen sind Netzteilentwurf, Motoransteuerung und Lastschaltung.
Keine detaillierten Pinbelegungsdaten verfügbar für ISL6558CRZ-T.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
ISL6558CRZ-T ist geeignet für 6 Anwendungs: High-Current CPU Power Conversion, GPU and High-Slew-Rate Digital Rails, Networking Processor Power Rails, High-Current Server and Computing Platforms, Telecom and Industrial DC-DC Supplies, Low-Noise High-Current Power Rails.
High-Current CPU Power Conversion
ISL6558CRZ-T fits a high-current CPU rail when the design requires two to four coordinated synchronous buck phases rather than a single switching channel. Renesas identifies the controller for high-current, high-slew-rate applications, while the external gate drivers and MOSFETs determine the available phase current. The control architecture regulates the output and balances load currents across the active channels, which can help manage demanding processor load steps. The implementation still requires verified operating voltage, current limit, compensation, and thermal limits from the datasheet. Proper layout of the controller, drivers, MOSFETs, inductors, and high-current copper paths is as important as the nominal phase count. The ISL6558CRZ-T should be selected only after checking the target rail, transient response, and companion-driver requirements.
Empfohlen
GPU and High-Slew-Rate Digital Rails
The ISL6558CRZ-T is applicable to GPU or other digital rails that experience rapid current transitions and require a multiphase synchronous-rectified architecture. Its two- to four-channel control capability provides a framework for distributing current across multiple external power stages, while current balancing helps the channels share the intended load. Optional active voltage positioning can be used to shape the converter response, although the correct implementation and settings must come from the Renesas documentation. The controller does not determine GPU current capability by itself: MOSFET selection, inductor sizing, switching frequency, thermal limits, and PCB current handling determine the practical result. Use the controller's verified timing and protection functions to define the complete converter, not just the control IC footprint.
Empfohlen
Networking Processor Power Rails
ISL6558CRZ-T can be considered for networking-processor rails where load current, transient demand, and output ripple make a single-phase implementation less suitable. The controller's multiphase architecture supports two to four synchronous-rectified channels and provides output regulation and current balancing, helping distribute converter activity across external power stages. Renesas explicitly identifies high-current and high-slew-rate use cases, making the device relevant to demanding digital rails in communications equipment. Before implementation, confirm the converter's input range, output range, current rating, compensation method, and protection behavior in the datasheet. High-speed power routing and exposed-pad thermal design must be controlled to prevent layout parasitics and temperature rise from undermining the intended high-slew-rate performance.
Empfohlen
High-Current Server and Computing Platforms
ISL6558CRZ-T is relevant to server and computing platforms that require a dedicated multiphase controller for a high-current output rail. Its two- to four-channel architecture can coordinate external synchronous-rectified buck phases, while load-current balancing and optional active voltage positioning support controlled operation under transient loads. The controller is not a substitute for a complete power stage; designers must add the specified companion drivers, external MOSFETs, magnetics, capacitors, feedback network, and protection implementation. The verified excerpts establish the functional architecture but do not provide all electrical limits, so validate the rail requirements against the current Renesas datasheet. Pay particular attention to high-current copper widths, thermal vias, controller placement, gate-loop layout, and the exposed-pad connection before production release.
Empfohlen
Telecom and Industrial DC-DC Supplies
ISL6558CRZ-T can support industrial or telecom DC-DC supply designs that need flexible two- to four-phase buck regulation. The controller's companion-driver architecture allows the power stage to be tailored with different external MOSFETs and magnetics, while the controller handles regulation, load-current balancing, and protection functions. This flexibility is useful where output current, thermal conditions, or transient requirements vary across product variants. The verified material does not establish a universal output-current rating, so the selected phase count and external components must be validated against the desired rail. Confirm control-loop compensation, current sensing, start-up behavior, fault handling, and operating-temperature limits directly from the official datasheet. Keep the power stage and feedback routing physically compact and isolated from sensitive control paths.
Empfohlen
Low-Noise High-Current Power Rails
ISL6558CRZ-T is appropriate for power rails where the converter must deliver high current while maintaining controlled multiphase operation. Synchronous rectification can reduce losses relative to a diode-based approach, and distributing the load across multiple phases can reduce effective output ripple when the design is properly optimized. The verified excerpts do not provide ripple-current, switching-frequency, or efficiency figures, so these performance claims must be verified from the datasheet and application circuit. The controller's role is to regulate and coordinate the external stages; output filtering and magnetics still determine much of the final noise and transient behavior. Use short, symmetric gate-drive paths and carefully placed compensation components to preserve control-loop stability.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für ISL6558CRZ-T – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | ISL6558CRZ | ISL6558CRZA | ISL6558CR-T | ISL6558IRZ-T | ISL6559 |
|---|---|---|---|---|---|---|
| Package | 20-QFN (5x5 mm) with exposed pad | 20-QFN (5x5 mm) with exposed pad | 20-VQFN 20-pin package | 20-QFN (5x5 mm) with exposed pad | 20-QFN package | 20-QFN package |
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Product Function | Multiphase PWM buck controller | Multiphase PWM buck controller | Multiphase controller | Multiphase PWM buck controller | Alternative Renesas controller; exact function requires datasheet confirmation | Alternative Renesas controller; exact function requires datasheet confirmation |
Wichtigste Unterscheidungsmerkmale
- Verified same-family package compatibility (vs. ISL6558CRZ)
- Multiphase architecture for high-current rails (vs. ISL6558CR-T)
- Explicit companion-driver ecosystem (vs. ISL6558CRZA)
Designhinweise
Place the ISL6558CRZ-T close to the feedback, current-sense, and gate-driver control paths, while keeping the high-current MOSFET and inductor switching loop compact. The exposed pad must follow the Renesas land-pattern and thermal guidance. Separate high-di/dt power paths from sensitive feedback traces and use a ground plane that supports both low-noise control return and high-current power flow.
The controller package has an exposed pad, but the converter's total thermal burden is distributed across the controller, gate drivers, MOSFETs, magnetics, and PCB copper. Do not estimate thermal performance from the controller package alone. Review the complete converter efficiency and temperature rise using the actual switching frequency, phase count, MOSFET losses, inductor losses, airflow, copper area, and verified thermal limits from the datasheets.
Use the Renesas ISL6558 datasheet and application guidance for current-sense routing, compensation placement, and gate-drive connections. Keep the PWM and feedback paths away from high-current switching nodes, minimize loop area around each synchronous phase, and verify that the selected gate drivers—HIP6601B, HIP6602B, HIP6603B, or ISL6605—match the required timing and drive voltage. Pin names and numbering must be checked against the official package drawing.
Do not treat ISL6558CRZ-T as a self-contained regulator or assume that a 20-QFN footprint guarantees drop-in equivalence. Confirm the exact pinout, exposed-pad connection, ordering suffix, companion gate driver, phase count, compensation values, and protection settings. Cross-reference listings can describe a part as replaceable, but production substitution still requires a manufacturer-supported comparison and a hardware validation build.
Compliance-Informationen
The supplied verified excerpts do not include exact RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations for ISL6558CRZ-T. Confirm compliance for the exact ordering code with Renesas or an authorized distributor.
