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Renesas ISL95829CIRTZ-T
- Part No.:
- ISL95829CIRTZ-T
- Manufacturer:
- Renesas
- Category:
- Special Purpose Regulators
- Package:
- -
- Datasheet:
-
ISL95829CIRTZ-T.pdf
- Description:
- MULTI-PHASE 3+2+1 CORE CONTROLLE
- Quantity:
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Product details
Overview
ISL95829CIRTZ-T from Renesas Electronics is a 3-phase VR controller with two integrated gate drivers and SVID interface compliance for Intel IMVP9 CPU power delivery, supporting 1–3-phase configurations, DCR/resistor current sensing, and remote voltage sensing with ±0.5% system accuracy over temperature.
For engineers reviewing the ISL95829CIRTZ-T datasheet, ISL95829CIRTZ-T pinout, ISL95829CIRTZ-T application, or ISL95829CIRTZ-T equivalent, key selection criteria include IMVP9 serial bus compatibility, R3™ modulator transient response, PS4 low-power state compliance, and support for VBOOT programming and PSYS monitoring in compact 4×4 TQFN packaging.
Technical Context
The ISL95829CIRTZ-T implements Renesas' Robust Ripple Regulator (R3™) topology, enabling variable switching frequency (up to 750 kHz), diode emulation mode for light-load efficiency, and adaptive body diode conduction time reduction. It uses SVID for bidirectional CPU communication and supports both lossless DCR and precision resistor-based current sensing.
It integrates dual gate drivers for high-side/low-side MOSFET control per phase, provides differential remote sense inputs, programmable ICCMAX and slew rate, and delivers VR_READY power-good signaling. The device meets Intel PS4 standby power requirements and supports alternate VSYS mode for system input power monitoring.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VIN Range | +4.5V to +25V - supports wide-input notebook/desktop adapter rails and battery-backed supplies. |
| Output Phases | Configurable 1-, 2-, or 3-phase - enables scalable power delivery matching CPU core count and thermal envelope. |
| System Accuracy | ±0.5% over temperature - ensures tight loadline regulation critical for IMVP9 processor voltage margins. |
| Switching Frequency | Up to 750 kHz - balances EMI, efficiency, and component size for high-density VR designs. |
| Current Sensing | DCR or precision resistor - eliminates sense resistor losses or enables highest accuracy with external shunt. |
| PS4 Compliance | Low supply current in PS4 state - meets Intel's ultra-low-power idle requirement for mobile platforms. |
| Package | 4×4 mm TQFN-32 - surface-mount footprint optimized for thin-profile laptop and Ultrabook PCB layouts. |
Pinout & Package
Renesas ISL95829CIRTZ-T is housed in a RoHS-compliant 4×4 mm, 32-pin TQFN package with exposed thermal pad (EP). Pin numbering follows standard counter-clockwise convention from top-left corner (Pin 1 marked by dot).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Main input supply rail | Accepts +4.5V to +25V input; powers internal circuitry and gate drivers. |
| VOUT_SENSE+ | Remote voltage sense positive | Differential input for precise output voltage regulation at CPU socket. |
| VOUT_SENSE− | Remote voltage sense negative | Completes differential sense pair; rejects PCB trace IR drop and noise. |
| SVID_DATA | SVID bidirectional data line | Communicates VR configuration, telemetry, and status with IMVP9 CPU. |
| SVID_CLK | SVID clock input | Provides synchronous timing for SVID command/response transactions. |
| VR_READY | Power-good output | Open-drain signal indicating stable, in-spec output voltage and readiness. |
| PHASE1_H | Phase 1 high-side gate driver output | Drives gate of upper MOSFET in Phase 1 buck stage; supports 1–3-phase operation. |
| PHASE1_L | Phase 1 low-side gate driver output | Drives gate of lower MOSFET in Phase 1; complements PHASE1_H with dead-time control. |
Key Features
| Feature | Design Value |
|---|---|
| R3™ Modulator Architecture | Delivers faster transient settling and variable-frequency response to load steps without external compensation. |
| Diode Emulation Mode | Reduces switching frequency under light load to improve efficiency while maintaining regulation. |
| Acoustic Noise Reduction (ANR) | Advanced decay slew rate limiter suppresses audible coil whine during dynamic load transitions. |
| Programmable VBOOT | Allows user-defined bootstrap capacitor precharge voltage to optimize high-side FET turn-on timing. |
| PSYS Monitoring Support | Enables system-level input power tracking via alternate VSYS mode for platform power management. |
Applications
| Notebook Power Delivery | Ultrabook VR Design |
|---|---|
Use Scenario: Main CPU core rail in 13–15″ Windows laptops with Intel Core i5/i7 IMVP9 processors. IC Role / Device Role / Timing Role: Primary 3-phase voltage regulator controller managing power sequencing, telemetry, and dynamic VID updates via SVID. Use Value: Enables <1.5% loadline deviation across 0–60 A, meeting Intel VRD13 spec while reducing board area vs discrete controller+driver solutions. | Use Scenario: Slim-form-factor convertible Ultrabooks requiring ultra-low PS4 quiescent current and thermal-aware phase shedding. IC Role / Device Role / Timing Role: Integrated VR controller with embedded drivers delivering fast transient response and adaptive phase control based on CPU activity. Use Value: Achieves sub-100 µA PS4 supply current and seamless 3→1 phase transition, extending battery life without sacrificing performance headroom. |
| Desktop VR Module | Tablet Platform Power |
Use Scenario: Compact ATX or mini-ITX motherboard VR solution for IMVP9 desktop CPUs with limited layer count. IC Role / Device Role / Timing Role: Single-chip 3-phase controller supporting DCR sensing, remote sense, and programmable slew rate for stable DDR4 memory rail coupling. Use Value: Eliminates need for external current-sense amplifiers and reduces BOM count by 7+ components versus legacy multi-chip VR designs. | Use Scenario: High-performance detachable tablet with fanless thermal design and aggressive power gating. IC Role / Device Role / Timing Role: IMVP9-compliant VR controller enabling rapid voltage scaling (programmable slew rate) and accurate current reporting for thermal throttling algorithms. Use Value: Provides real-time ICCMAX telemetry and ±0.5% voltage accuracy across −10°C to +85°C, ensuring reliable operation under sustained GPU/CPU load. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar VR controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ISL95869IRAZ-T | Same R3™ architecture and IMVP9 compliance; differs in pinout, thermal pad layout, and minor register mapping for PSYS mode. | Designed for higher-current desktop/server VRs; supports up to 75 A with external driver option. | Select ISL95869IRAZ-T when >60 A output or external driver flexibility is required; not pin-compatible with ISL95829CIRTZ-T. |
| RTQ2132B-QA | Monolithic 3-phase controller with integrated drivers but uses PMBus instead of SVID; lacks PSYS monitoring and ANR. | Targeted at AMD Ryzen platforms and generic VR applications where SVID is not mandated. | Choose RTQ2132B-QA only for non-Intel platforms or when PMBus telemetry and simpler firmware integration are prioritized over IMVP9-specific features. |
Compared with ISL95829CIRTZ-T, ISL95869IRAZ-T offers higher current scalability but requires PCB redesign, while RTQ2132B-QA trades SVID compliance and acoustic optimization for broader protocol flexibility-neither is pin- or firmware-compatible.
Availability
ISL95829CIRTZ-T is available at Aetrix Electronics and suitable for notebook power delivery, Ultrabook VR design, and IMVP9 desktop motherboard applications requiring stable component supply, full IMVP9 specification compliance, and long-term lifecycle support.
Supply support for ISL95829CIRTZ-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 Corporation is a global semiconductor leader delivering microcontrollers, analog, power, and SoC products for automotive, industrial, infrastructure, and IoT applications.
The ISL95829CIRTZ-T belongs to Renesas' IMVP9-compliant VR controller product line, engineered specifically for high-efficiency, low-noise, and thermally robust CPU power delivery in space-constrained mobile computing platforms.
FAQ
What is the primary function of the ISL95829CIRTZ-T in an Intel IMVP9 system?
The ISL95829CIRTZ-T serves as the main voltage regulator controller for Intel IMVP9 CPU core power, implementing 1–3-phase buck conversion with integrated gate drivers, SVID interface, remote sensing, and R3™ modulator technology to deliver tightly regulated voltage with fast transient response and high light-load efficiency.
Does the ISL95829CIRTZ-T support both DCR and resistor-based current sensing?
Yes, the ISL95829CIRTZ-T supports dual current sensing methods: lossless inductor DCR sensing with single NTC thermistor compensation for temperature drift correction, and precision external resistor sensing for highest accuracy in high-current or high-precision applications - both are configurable via internal registers.
What package type and pin count does the ISL95829CIRTZ-T use?
The ISL95829CIRTZ-T uses a RoHS-compliant 4×4 mm TQFN package with 32 pins and an exposed thermal pad (EP). This compact footprint supports high-density PCB layouts in ultrathin notebooks and Ultrabooks while enabling efficient thermal dissipation through the EP connection to internal ground planes.
How does the ISL95829CIRTZ-T meet Intel PS4 low-power requirements?
The ISL95829CIRTZ-T achieves PS4 compliance by minimizing quiescent supply current during CPU deep-idle states, using optimized internal biasing and selective circuit shutdown - its specified PS4 current meets Intel's strict ≤100 µA limit, enabling extended battery life in mobile platforms without compromising wake-up latency.
Is the ISL95829CIRTZ-T compatible with Intel's SVID interface?
Yes, the ISL95829CIRTZ-T fully supports Intel's Serial Voltage Identification (SVID) interface, including 10 mV DAC resolution, bidirectional command/response protocol, VR status reporting, and dynamic VID updates - it is certified compliant with IMVP9 specification for seamless integration into Intel reference platform designs.
ISL95829CIRTZ-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- *
- Package/Case:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- -
- Voltage - Input:
- -
- Number of Outputs:
- -
- Voltage - Output:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
ISL95829CIRTZ-T FAQ
1.How can I place an order for ISL95829CIRTZ-T through Aetrix?
Please submit a Request for Quotation (RFQ) for ISL95829CIRTZ-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 ISL95829CIRTZ-T reliable?
The price and inventory of ISL95829CIRTZ-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ISL95829CIRTZ-T is usually 5 days.
3.What payment methods are accepted for ISL95829CIRTZ-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ISL95829CIRTZ-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ISL95829CIRTZ-T?
ISL95829CIRTZ-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ISL95829CIRTZ-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 ISL95829CIRTZ-T?
For technical support, including ISL95829CIRTZ-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ISL95829CIRTZ-T requirements.
6.How does Aetrix verify that ISL95829CIRTZ-T is sourced from the original manufacturer or authorized distributors?
All ISL95829CIRTZ-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 ISL95829CIRTZ-T meets industry standards.
7.What is the process for return or replacement of ISL95829CIRTZ-T?
All ISL95829CIRTZ-T units undergo pre-shipment inspection (PSI). If there is an issue with ISL95829CIRTZ-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 ISL95829CIRTZ-T part is unused and in its original packaging.
Return procedure for ISL95829CIRTZ-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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