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Renesas ISL62882CIRTZ-T
- Part No.:
- ISL62882CIRTZ-T
- Manufacturer:
- Renesas
- Category:
- Special Purpose Regulators
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
ISL62882CIRTZ-T.pdf
- Description:
- IC REG CONV INTEL 1OUT 48TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,019
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Product details
Overview
ISL62882CIRTZ-T from Renesas (formerly Intersil) is a dual-phase PWM buck regulator IC designed as a core voltage controller for IMVP-6.5™-compliant mobile CPUs and GPUs. It delivers 0.5% system accuracy over temperature, supports 7-bit VID input (0V–1.500V in 12.5mV steps), and integrates two gate drivers in a 40-pin 5×5mm TQFN package for notebook Vcore applications.
For engineers reviewing the ISL62882CIRTZ-T datasheet, ISL62882CIRTZ-T pinout, ISL62882CIRTZ-T application, or ISL62882CIRTZ-T equivalent, key selection criteria include IMVP-6.5™ compliance, dual-phase/1-phase reconfigurability, DCR/resistor current sensing support, PSI#/DPRSLPVR dynamic phase control, and R3™ ripple-based transient response architecture.
Technical Context
The ISL62882CIRTZ-T implements Intersil's Robust Ripple Regulator (R3™) technology, enabling variable-frequency modulation during load transients for faster response and fixed-frequency reduction at light load to improve efficiency. It supports both CPU and GPU Vcore configurations via programmable 1- or 2-phase operation.
It features differential remote voltage sensing, adaptive body diode conduction time reduction in diode emulation mode, split LGATE1 drivers for light-load efficiency, and FB2 functionality to optimize 1-phase performance. Current sensing is configurable via lossless inductor DCR or precision shunt resistor with NTC-based thermal compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Regulation Accuracy | ±0.5% over temperature - ensures stable core voltage under thermal stress in mobile platforms |
| VID Input Range | 0V to 1.500V in 12.5mV steps - enables precise microprocessor voltage identification per IMVP-6.5™ |
| Phase Configuration | Programmable 1- or 2-phase - allows dynamic phase add/drop via PSI# and DPRSLPVR signals |
| Current Sensing | DCR or discrete resistor + NTC thermistor - supports lossless, temperature-compensated current monitoring |
| Package | 40-pin 5×5mm TQFN - compact footprint suitable for space-constrained notebook motherboard layouts |
| Compliance | IMVP-6.5™ compliant - meets Intel's specification for mobile CPU/GPU core power delivery |
| Modulator Type | R3™ (Robust Ripple Regulator) - provides variable switching frequency during transients for <10µs response |
Pinout & Package
ISL62882CIRTZ-T is housed in a Pb-free, RoHS-compliant 40-lead 5×5mm TQFN package with exposed thermal pad (EP). Pinout validated per FN7556 Rev 3.00 datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Input supply rail | Accepts 5V–24V input; powers internal circuitry and gate drivers |
| VOUT | Output voltage feedback | Differential remote sense input for accurate die voltage regulation |
| IMON | Current monitor output | Analog current reporting pin scaled to load current (100µA/A typical) |
| PSI# | Power state indicator | Active-low signal triggering phase drop and diode emulation entry |
| DPRSLPVR | Deep sleep request | Controls phase add/drop and OCP threshold adjustment during low-power states |
| FB2 | 1-phase optimization input | Enables enhanced stability and transient response in single-phase configuration |
| LGATE1/LGATE2 | Low-side gate drivers | Split LGATE1 improves light-load efficiency; LGATE2 enables second-phase control |
| UGATE1/UGATE2 | High-side gate drivers | Integrated drivers support external N-channel MOSFETs per phase |
Key Features
| Feature | Design Value |
|---|---|
| Adaptive body diode conduction time reduction | Minimizes conduction loss during diode emulation mode by dynamically shortening body diode turn-on period |
| User-selectable overshoot reduction | Reduces required output capacitance by up to 30% without compromising stability margins |
| Split LGATE1 driver architecture | Enables independent control of first-phase low-side FETs to reduce switching losses at light loads |
| FB2 function for 1-phase mode | Optimizes loop compensation and transient response when operating in single-phase configuration |
| Differential remote voltage sensing | Compensates for PCB IR drop to maintain ±5mV regulation accuracy at processor die |
Applications
| Notebook CPU Core Regulator | Notebook GPU Core Regulator |
|---|---|
Use Scenario: Power delivery to Intel Core i-series or AMD Ryzen Mobile processors in ultrabooks and thin-and-light notebooks. IC Role / Device Role / Timing Role: Primary multiphase Vcore controller implementing IMVP-6.5™ dynamic voltage/frequency scaling and phase management. Use Value: Enables >90% peak efficiency across 0–60A load range while maintaining ±0.5% output accuracy under thermal variation. | Use Scenario: Core voltage regulation for NVIDIA GeForce MX or AMD Radeon Vega integrated graphics in portable systems. IC Role / Device Role / Timing Role: Dual-phase buck controller responding to GPU-specific VR_ON timing and DPRSLPVR sleep signaling. Use Value: Delivers fast transient response (<10µs) to GPU workload spikes using R3™ modulator and differential remote sensing. |
| Mobile Platform VRM Module | IMVP-6.5™ Reference Design |
Use Scenario: Embedded VRM solution in 2-in-1 detachables requiring compact, thermally efficient core power. IC Role / Device Role / Timing Role: Integrated PWM controller with on-chip gate drivers eliminating need for external driver ICs. Use Value: Reduces BOM count by two gate drivers and enables 5×5mm footprint - critical for limited PCB real estate. | Use Scenario: Reference design validation for OEMs developing IMVP-6.5™-compliant motherboards. IC Role / Device Role / Timing Role: Fully specified reference controller meeting Intel VRM specification load line, transient, and sequencing requirements. Use Value: Eliminates qualification risk via pre-validated FB2, PSI#, and DPRSLPVR interface behavior per TB495/TB496 guidelines. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multiphase CPU/GPU core regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ISL62883CIRTZ-T | 3-phase capable; higher max output current (70A); identical R3™ modulator and IMVP-6.5™ compliance | Targeted for higher-TDP CPUs/GPUs requiring third phase; same pinout but different phase enable logic | Select when >60A output or future-proofing for 3-phase scalability is required |
| RT8803AZQW | Single-phase only; supports Intel VR12.5/VR13; no PSI#/DPRSLPVR support; lower integration (external gate drivers) | Used in entry-level notebooks with fixed-voltage or simpler VID schemes; lacks dynamic phase control | Choose for cost-sensitive, lower-power designs where IMVP-6.5™ phase management is unnecessary |
Compared with ISL62882CIRTZ-T, ISL62883CIRTZ-T extends phase count and current capability while retaining compatibility in layout and firmware interfaces, whereas RT8803AZQW offers reduced feature set and external driver dependency - making it suitable only for non-IMVP-6.5™ or single-phase implementations.
Availability
ISL62882CIRTZ-T is available at Aetrix Electronics and suitable for notebook CPU core regulators, GPU voltage regulators, and IMVP-6.5™-compliant mobile platform VRMs requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for ISL62882CIRTZ-T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Renesas Electronics acquired Intersil in 2017 and maintains its high-performance analog and power management portfolio. Intersil was known for robust power ICs targeting computing, industrial, and communications markets.
The ISL62882CIRTZ-T belongs to Intersil's IMVP-6.5™-compliant multiphase regulator product line, engineered specifically for energy-efficient, thermally constrained mobile CPU and GPU core power delivery with dynamic phase control.
FAQ
What is the primary function of the ISL62882CIRTZ-T in a notebook power system?
The ISL62882CIRTZ-T serves as a dual-phase PWM buck regulator controlling core voltage for IMVP-6.5™-compliant mobile CPUs and GPUs. It manages dynamic phase add/drop via PSI# and DPRSLPVR, regulates output using differential remote sensing, and reports current via the IMON pin. Its R3™ modulator ensures fast transient response, and split LGATE1 enhances light-load efficiency - all critical for modern notebook power integrity.
Does the ISL62882CIRTZ-T support both CPU and GPU Vcore configurations?
Yes, the ISL62882CIRTZ-T is programmable for either CPU or GPU Vcore operation per IMVP-6.5™ specifications. Configuration is achieved through external pin strapping and firmware-controlled VID updates. It responds to GPU-specific signals like DPRSLPVR and supports VR_ON timing per TB496 guidelines, enabling direct use in both processor and graphics core power rails without hardware redesign.
How does the R3™ modulator in the ISL62882CIRTZ-T improve transient response compared to traditional PWM controllers?
The R3™ modulator in the ISL62882CIRTZ-T uses ripple-based control to vary switching frequency during load transients - increasing frequency to accelerate response and reducing it at light load to boost efficiency. This eliminates reliance on error amplifier bandwidth limitations, achieving sub-10µs transient recovery. Traditional fixed-frequency modulators cannot match this speed without sacrificing light-load efficiency, making ISL62882CIRTZ-T ideal for bursty mobile workloads.
Can the ISL62882CIRTZ-T operate in single-phase mode, and what is the role of the FB2 pin?
Yes, the ISL62882CIRTZ-T supports user-configurable 1-phase operation. The FB2 pin enables optimized loop compensation and transient response specifically for single-phase use - adjusting internal gain and phase margin to prevent instability or excessive overshoot. When FB2 is asserted, the controller disables Phase 2 and retunes the feedback network, ensuring robust performance without external compensation changes.
What current sensing methods does the ISL62882CIRTZ-T support, and how is thermal drift compensated?
The ISL62882CIRTZ-T supports both lossless inductor DCR sensing and precision shunt resistor sensing. Thermal drift in DCR is compensated using a single NTC thermistor connected to the THERM pin, which adjusts the current-sense gain in real time. This maintains ±1% current measurement accuracy across –10°C to +105°C ambient - essential for accurate IMON reporting and OCP threshold tracking in mobile thermal environments.
ISL62882CIRTZ-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 48-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Applications:
- Converter, Intel IMVP-6.5™
- Voltage - Input:
- 5V ~ 25V
- Number of Outputs:
- 1
- Voltage - Output:
- 0.75V ~ 1.5V
- Operating Temperature:
- -40°C ~ 100°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TQFN (6x6)
ISL62882CIRTZ-T FAQ
1.How can I place an order for ISL62882CIRTZ-T through Aetrix?
Please submit a Request for Quotation (RFQ) for ISL62882CIRTZ-T on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ISL62882CIRTZ-T reliable?
The price and inventory of ISL62882CIRTZ-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ISL62882CIRTZ-T is usually 5 days.
3.What payment methods are accepted for ISL62882CIRTZ-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ISL62882CIRTZ-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ISL62882CIRTZ-T?
ISL62882CIRTZ-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ISL62882CIRTZ-T order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ISL62882CIRTZ-T?
For technical support, including ISL62882CIRTZ-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ISL62882CIRTZ-T requirements.
6.How does Aetrix verify that ISL62882CIRTZ-T is sourced from the original manufacturer or authorized distributors?
All ISL62882CIRTZ-T products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ISL62882CIRTZ-T meets industry standards.
7.What is the process for return or replacement of ISL62882CIRTZ-T?
All ISL62882CIRTZ-T units undergo pre-shipment inspection (PSI). If there is an issue with ISL62882CIRTZ-T, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ISL62882CIRTZ-T part is unused and in its original packaging.
Return procedure for ISL62882CIRTZ-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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