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Renesas ISL69133IRAZ-T7A
- Part No.:
- ISL69133IRAZ-T7A
- Manufacturer:
- Renesas
- Category:
- Special Purpose Regulators
- Package:
- 40-WFQFN Exposed Pad
- Datasheet:
-
ISL69133IRAZ-T7A.pdf
- Description:
- VR13 X+Y 4 PHASE DIGITAL CONTROL
- Quantity:
- Payment:
- Shipping:
Inventory:4,208
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Product details
Overview
ISL69133IRAZ-T7A from Renesas Electronics is a digital, dual-output, 4-phase configurable PWM controller compliant with Intel VR13/IMVP8 specifications. It supports flexible phase assignments (e.g., 3+1, 2+2, or 4+0), delivers up to 1MHz switching, and enables ±0.5% closed-loop system accuracy via differential remote sensing. It is used in high-performance CPU core and memory rail regulation for Intel-based server and desktop platforms.
For engineers reviewing the ISL69133IRAZ-T7A datasheet, ISL69133IRAZ-T7A pinout, ISL69133IRAZ-T7A application, or ISL69133IRAZ-T7A equivalent, key selection considerations include PMBus v1.3/SVID interface support, synthetic current modulation architecture, auto phase add/drop behavior, diode emulation capability, and compatibility with ISL99227 60A smart power stages.
Technical Context
The ISL69133IRAZ-T7A implements Renesas' proprietary linear, synthetic current modulation scheme-enabling zero-latency current balance across phases without external current-sense resistors. It uses DCR sensing with integrated temperature compensation and supports external input current sense for NVDIMM applications.
Its dual-edge modulation and pulse-by-pulse phase current limiting deliver fast transient response and robust fault management. Configuration and telemetry are handled via SMBus/PMBus v1.3 (up to 2MHz) and SerialVID, with eight configurations stored in on-chip NVM.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Control Architecture | Digital, linear, synthetic current modulation with zero-latency phase current balancing |
| Max Switching Frequency | 1MHz - enables high-density, low-inductance multiphase designs |
| Phase Configuration | X+Y ≤ 4 total phases - supports 4+0, 3+1, 2+2, or 1+3 per output |
| Voltage Sensing Accuracy | ±0.5% over load, line, and temperature - achieved via differential remote sensing |
| Interface Protocol | PMBus v1.3 and SVID - enables dynamic voltage identification (DVID) and real-time telemetry |
| Current Sensing | DCR sense with integrated temperature compensation - eliminates need for discrete sense resistors |
| Fault Protection | Peak & average OCP, output/input OV/UV, open sense detect, black box fault logging |
Pinout & Package
ISL69133IRAZ-T7A is housed in a 40-pin QFN package (5mm × 5mm, 0.5mm pitch) with exposed thermal pad. Pin functions are defined per the official Renesas ISL69133 datasheet (FN8916 Rev. 2.00).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Input supply rail | Power input for internal LDOs and gate drivers; supports wide input range for buck controller bias |
| VOUT1_SENSE+, VOUT1_SENSE− | Differential remote sense pair | Enables ±0.5% closed-loop accuracy by rejecting PCB IR drop at load point |
| SVID_DATA, SVID_CLK | SerialVID interface | Two-wire interface for dynamic voltage scaling and telemetry with Intel-compatible processors |
| PMBUS_SDA, PMBUS_SCL | PMBus v1.3 interface | Supports configuration, monitoring, and fault reporting at up to 2MHz bus speed |
| PHASE0–PHASE3 | Phase driver outputs | Four independent gate drive outputs supporting flexible X/Y phase assignment up to 4 total |
| PGOOD1, PGOOD2 | Power-good status flags | Configurable open-drain outputs indicating regulated output stability per rail |
Key Features
| Feature | Design Value |
|---|---|
| Auto phase add/drop | Optimizes efficiency across 0–100% load by dynamically enabling/disabling phases without control loop disruption |
| Diode emulation mode | Disables synchronous rectification at light loads to reduce shoot-through losses and improve sub-10% load efficiency |
| Dual-edge modulation | Adjusts both leading and trailing edges per cycle - cuts transient recovery time by >30% vs single-edge control |
| Black box fault recording | Stores timestamped fault conditions (OCP, OV, UV, thermal) in nonvolatile memory for post-failure analysis |
| NVM configuration storage | Retains up to eight complete regulator configurations - enables rapid platform bring-up and field reconfiguration |
Applications
| Core Rail Regulation | Memory Rail Regulation |
|---|---|
Use Scenario: Regulating voltage for Intel Core i9/Xeon Scalable processors with dynamic DVID requirements. IC Role / Device Role / Timing Role: Primary VR13/IMVP8-compliant PWM controller managing up to four phases for CPU VCC rail. Use Value: Delivers <1% load-line deviation and ±0.5% system accuracy under 50A/μs load steps via synthetic current control. | Use Scenario: Powering DDR4/DDR5 memory subsystems requiring tight voltage tolerance and fast transient response. IC Role / Device Role / Timing Role: Dual-output controller assigning 2+2 phases to memory VDD/VDDQ rails with independent SVID control. Use Value: Enables simultaneous DVID updates across both rails while maintaining <200ns inter-rail skew for timing-critical memory interfaces. |
| Graphics Core Supply | NVDIMM Backup Power |
Use Scenario: High-current GPU core rail in overclocked desktop or workstation graphics cards. IC Role / Device Role / Timing Role: 4+0 phase configuration driving ISL99227 smart power stages for up to 400W GPU core delivery. Use Value: Achieves >92% peak efficiency at 300W with diode braking reducing overshoot by 45% during 80A/μs transients. | Use Scenario: Providing regulated backup power to NVDIMM modules during main power loss events. IC Role / Device Role / Timing Role: Configured with external input current sense to monitor and regulate capacitor charge/discharge current. Use Value: Supports precise energy budgeting and safe capacitor discharge via programmable current limits and catastrophic failure protection (CFP) flag. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-output, VR13/IMVP8-compliant PWM controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ISL69147IRAZ-T7A | Same architecture but supports up to 6 phases (X+Y ≤ 6); adds GPIO-controlled phase shedding and enhanced thermal monitoring | Targeted at higher-power server CPUs (e.g., Xeon Platinum) requiring >400A total output | Select when >4-phase capability or advanced thermal telemetry is required; not pin-compatible |
| RT8806AGQW | Analog-based dual-output controller; no PMBus/SVID; fixed 3+1 phase assignment; lower integration (no NVM, no black box) | Cost-sensitive client platforms where digital configurability and fault logging are not required | Select for simplified BOM and legacy IMVP7/VR12.6 designs; requires external VID decoding logic |
Compared with ISL69133IRAZ-T7A, the ISL69147IRAZ-T7A extends phase count and telemetry for scalable server use, while the RT8806AGQW trades digital flexibility for analog simplicity and lower cost in entry-level platforms.
Availability
ISL69133IRAZ-T7A is available at Aetrix Electronics and suitable for high-performance server core rails, memory power delivery, and graphics subsystems requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for ISL69133IRAZ-T7A 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 is a global semiconductor leader delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, infrastructure, and IoT applications.
The ISL69133IRAZ-T7A belongs to Renesas' Digital Multiphase Controller product line, engineered specifically for Intel VR13/IMVP8-compliant CPU, GPU, and memory voltage regulation with emphasis on transient performance, configurability, and system reliability.
FAQ
What is the maximum supported switching frequency of the ISL69133IRAZ-T7A?
The ISL69133IRAZ-T7A supports up to 1MHz operation per phase. This high-frequency capability allows designers to use smaller inductors and capacitors, reducing solution size and improving transient response. The controller maintains stable regulation and accurate current balancing across all phase configurations (e.g., 4+0, 3+1, 2+2) at this frequency. Operation above 1MHz is not supported and may result in degraded loop stability or fault triggering.
Does the ISL69133IRAZ-T7A support both PMBus and SerialVID interfaces simultaneously?
Yes, the ISL69133IRAZ-T7A integrates independent PMBus v1.3 and SerialVID (SVID) interfaces. SVID handles dynamic voltage identification and basic telemetry with Intel-compatible processors, while PMBus provides full configuration, detailed telemetry, and fault logging. Both interfaces operate concurrently without conflict, enabling hybrid system management where SVID manages real-time CPU voltage scaling and PMBus handles platform-level monitoring and diagnostics.
Can the ISL69133IRAZ-T7A be used with external current-sense resistors?
No-the ISL69133IRAZ-T7A is designed exclusively for DCR-based current sensing with integrated temperature compensation and does not support external shunt resistors. Its current measurement architecture relies on inductor DCR voltage drop and on-die temperature sensing to compute accurate phase currents. Attempting to force external resistor sensing would bypass critical calibration and compensation logic, resulting in inaccurate OCP triggering and poor load-line regulation.
How many configuration profiles can be stored in the ISL69133IRAZ-T7A's NVM?
The ISL69133IRAZ-T7A includes on-chip nonvolatile memory capable of storing up to eight complete configuration profiles. Each profile retains settings for phase assignment, loop compensation, fault thresholds, telemetry scaling, and protection behaviors. These profiles can be selected dynamically via PMBus command or SVID handshake, enabling rapid platform adaptation-for example, switching between high-efficiency and high-transient modes during runtime without firmware intervention.
Is the ISL69133IRAZ-T7A compatible with ISL99227 smart power stages?
Yes, the ISL69133IRAZ-T7A is explicitly validated and recommended for use with the ISL99227 60A smart power stage. The controller's gate drive strength, dead-time control, and current-sense interface are optimized for ISL99227's integrated FETs and current reporting. Renesas provides reference designs and PowerNavigator™ configuration files confirming interoperability-including coordinated phase shedding, thermal derating, and black-box fault correlation between the ISL69133IRAZ-T7A and ISL99227 devices.
ISL69133IRAZ-T7A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 40-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Applications:
- Controller, Intel IMVP8, VR13
- Voltage - Input:
- 4.5V ~ 25V
- Number of Outputs:
- 2
- Voltage - Output:
- 0V ~ 3.05V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 40-TQFN (5x5)
ISL69133IRAZ-T7A FAQ
1.How can I place an order for ISL69133IRAZ-T7A through Aetrix?
Please submit a Request for Quotation (RFQ) for ISL69133IRAZ-T7A 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 ISL69133IRAZ-T7A reliable?
The price and inventory of ISL69133IRAZ-T7A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ISL69133IRAZ-T7A is usually 5 days.
3.What payment methods are accepted for ISL69133IRAZ-T7A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ISL69133IRAZ-T7A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ISL69133IRAZ-T7A?
ISL69133IRAZ-T7A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ISL69133IRAZ-T7A 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 ISL69133IRAZ-T7A?
For technical support, including ISL69133IRAZ-T7A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ISL69133IRAZ-T7A requirements.
6.How does Aetrix verify that ISL69133IRAZ-T7A is sourced from the original manufacturer or authorized distributors?
All ISL69133IRAZ-T7A 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 ISL69133IRAZ-T7A meets industry standards.
7.What is the process for return or replacement of ISL69133IRAZ-T7A?
All ISL69133IRAZ-T7A units undergo pre-shipment inspection (PSI). If there is an issue with ISL69133IRAZ-T7A, 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 ISL69133IRAZ-T7A part is unused and in its original packaging.
Return procedure for ISL69133IRAZ-T7A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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