My Inquiry
My Account
Renesas ISL62882IRTZ-T
- Part No.:
- ISL62882IRTZ-T
- Manufacturer:
- Renesas
- Category:
- Special Purpose Regulators
- Package:
- 40-VFQFN Exposed Pad
- Datasheet:
-
ISL62882IRTZ-T.pdf
- Description:
- IC REG CTRL IMVP-6.5 1OUT 40TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,760
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ISL62882IRTZ-T from Renesas (formerly Intersil) is a dual-phase PWM buck controller IC designed for IMVP-6.5™-compliant CPU and GPU core voltage regulation in notebook platforms. It delivers 0.5% system accuracy over temperature, supports 7-bit VID input (0.3V–1.5V in 12.5mV steps), integrates two gate drivers, and implements Robust Ripple Regulator (R3™) technology for fast transient response and adaptive light-load efficiency via diode emulation and period stretching.
For engineers reviewing the ISL62882IRTZ-T datasheet, ISL62882IRTZ-T pinout, ISL62882IRTZ-T application, or ISL62882IRTZ-T equivalent, key selection considerations include its -40°C to +100°C operating range, 40-pin 5×5 mm TQFN package, IMVP-6.5™ compliance, differential remote sensing capability, and programmable 1-/2-phase operation with PSI#/DPRSLPVR dynamic phase shedding.
Technical Context
The ISL62882IRTZ-T employs Intersil's patented R3™ modulator architecture, combining fixed-frequency PWM stability with hysteretic-like transient responsiveness by generating a synthesized ripple signal (Vcrs) that tracks inductor current without noise sensitivity. Its master-slave clock distribution ensures precise 180° interleaving in 2-phase mode and maintains dynamic current balance across phases via shared VW window voltage.
It supports dual current-sensing methods - lossless DCR sensing with NTC thermal compensation and precision resistor-based sensing - and implements adaptive body diode conduction time reduction, split LGATE1 drivers for enhanced light-load efficiency, and user-selectable overshoot reduction to optimize output capacitor count versus thermal trade-offs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage Range | 0.300 V to 1.500 V via 7-bit VID; enables precise microprocessor core voltage scaling per IMVP-6.5™ specification. |
| System Accuracy | ±0.5 % over -40°C to +100°C at VID = 0.75–1.50 V; ensures stable die-level regulation under thermal stress. |
| Switching Frequency | 200–500 kHz adjustable (300 kHz typical); balances efficiency, component size, and EMI performance. |
| Phase Configuration | Programmable 1- or 2-phase CPU mode or 1-phase GPU mode; supports dynamic phase add/drop via PSI# and DPRSLPVR signals. |
| Current Sensing | Supports both DCR and discrete resistor sensing; enables thermally compensated load-line accuracy with single NTC. |
| Gate Drive Capability | UGATE/LGATE drivers deliver ≥2 A sink/source; supports high-efficiency discrete MOSFETs in multiphase buck topologies. |
| Remote Sensing | Differential VSEN/RTN inputs; eliminates PCB IR drop errors for accurate die-voltage regulation. |
Pinout & Package
ISL62882IRTZ-T is housed in a Pb-free, RoHS-compliant 40-lead 5×5 mm TQFN package (PKG DWG L40.5x5) with exposed GND pad on bottom for thermal management. Operating junction temperature range is -40°C to +125°C.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| VID0–VID6 | Voltage identification digital input | 7-bit parallel interface setting output voltage in 12.5 mV steps; supports on-the-fly VID changes during operation. |
| VR_ON | Regulator enable input | Active-high logic control (VIH = 0.75 V min); initiates soft-start sequence when asserted above threshold. |
| PSI# / DPRSLPVR | Low-power state indicators | Asynchronous signals triggering phase shedding, OCP threshold adjustment, and diode emulation entry/exit. |
| ISEN1 / ISEN2 | Per-phase current sense inputs | Dedicated analog inputs for DCR or resistor-based current monitoring; enable phase-balanced droop control. |
| VSEN / RTN | Differential remote voltage sense | Connects directly to processor die power/ground pins; rejects PCB trace resistance errors for ±0.5% accuracy. |
| IMON | Analog current monitor output | Current-source output proportional to total output current (e.g., 120 µA at 20 µA ISUM-); used for system telemetry. |
| UGATE1 / LGATE1a / LGATE1b / UGATE2 / LGATE2 | Integrated gate drivers | Drive external high-side and low-side MOSFETs; split LGATE1a/LGATE1b enables deeper sleep mode optimization. |
| COMP / FB / FB2 | Error amplifier interface | COMP sets loop compensation; FB is main feedback node; FB2 provides separate 1-phase compensation path for optimized stability. |
Key Features
| Feature | Design Value |
|---|---|
| R3™ Modulator Architecture | Delivers faster transient response than fixed-frequency PWM and higher DC accuracy than hysteretic controllers via synthesized ripple tracking. |
| Adaptive Body Diode Conduction Reduction | Minimizes reverse-conduction losses in diode emulation mode by dynamically terminating LGATE turn-on before inductor current reversal. |
| Split LGATE1 Driver Function | Enables independent control of two low-side MOSFETs in Phase 1-improving light-load efficiency and supporting deeper sleep states. |
| User-Selectable Overshoot Reduction | Reduces required output capacitance by aggressively damping startup/load-step overshoot; configurable via RBIAS and COMP network. |
| FB2 Compensation Path | Provides dedicated 1-phase loop compensation network, optimizing stability and transient performance when operating in single-phase mode. |
Applications
| Notebook CPU Core VR | Notebook GPU Core VR |
|---|---|
|
Use Scenario: Power delivery to Intel Core i-series or AMD Ryzen mobile CPUs requiring dynamic voltage scaling and deep sleep support. IC Role / Device Role / Timing Role: Primary IMVP-6.5™-compliant multiphase buck controller managing up to 2 phases, VID decoding, and phase shedding. Use Value: Enables <0.5% voltage accuracy across -40°C to +100°C ambient, reduces output capacitor count via overshoot reduction, and improves battery life via diode emulation and period stretching. |
Use Scenario: Core voltage regulation for NVIDIA GeForce or AMD Radeon mobile GPUs with aggressive power-state transitions. IC Role / Device Role / Timing Role: Single-phase GPU VR controller with fast VID slewing (5 mV/µs), CLK_EN# synchronization, and differential remote sensing. Use Value: Achieves rapid startup (<7 ms PGOOD assertion), supports DPRSLPVR-triggered low-power modes, and maintains tight regulation despite GPU load transients. |
| Mobile Platform IMVP-6.5™ Compliance | Thermally Constrained Embedded Systems |
|
Use Scenario: Design validation and production deployment in OEM notebooks targeting Intel IMVP-6.5™ certification. IC Role / Device Role / Timing Role: Reference-compliant VR controller implementing all mandatory features: PSI#, DPRSLPVR, IMON, VR_TT#, and differential sensing. Use Value: Eliminates need for external VID translators or protection logic; simplifies layout with integrated gate drivers and thermal monitoring. |
Use Scenario: High-density embedded computing modules where thermal dissipation and board area are critical constraints. IC Role / Device Role / Timing Role: Compact 5×5 mm TQFN solution delivering full 2-phase control with minimal external components and low thermal resistance (θJA = 32°C/W). Use Value: Reduces total solution footprint by integrating dual gate drivers and R3™ modulator, while θJC = 3°C/W enables efficient heat transfer to PCB ground plane. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multiphase buck controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ISL62882HRTZ-T | Same silicon, but rated for -10°C to +100°C ambient; uses identical 40-pin 5×5 mm TQFN package. | Targeted at commercial-temperature notebooks without extended industrial thermal requirements. | Select ISL62882HRTZ-T only if system ambient does not fall below -10°C; ISL62882IRTZ-T is required for full -40°C cold-start capability. |
| ISL62882BHRTZ-T | Different 48-pin 6×6 mm TQFN package; same functionality but incompatible pinout and larger footprint. | Used in designs requiring higher thermal margin (θJA = 29°C/W) or additional NC pins for routing flexibility. | Not interchangeable without PCB redesign; choose ISL62882BHRTZ-T only when thermal budget demands lower θJA or package size is not constrained. |
Compared with ISL62882HRTZ-T and ISL62882BHRTZ-T, the ISL62882IRTZ-T uniquely supports industrial-grade cold-start (-40°C) while maintaining the smallest 5×5 mm footprint - making it optimal for space-constrained, wide-temperature mobile platforms where pin compatibility and thermal performance must coexist.
Availability
ISL62882IRTZ-T is available at Aetrix Electronics and suitable for notebook CPU/GPU core voltage regulation, IMVP-6.5™-compliant platform design, and thermally constrained embedded computing applications requiring stable component supply across extended temperature ranges.
Supply support for ISL62882IRTZ-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 continues to support its high-performance analog and power management portfolio, including IMVP-compliant VR controllers.
The ISL62882IRTZ-T belongs to Renesas' multiphase buck controller product line, engineered specifically for Intel mobile processor voltage regulation with emphasis on transient response, thermal efficiency, and IMVP-6.5™ protocol fidelity.
FAQ
What is the operating temperature range of the ISL62882IRTZ-T?
The ISL62882IRTZ-T is specified for an ambient operating temperature range of -40°C to +100°C and a junction temperature range of -40°C to +125°C. This industrial-grade rating distinguishes it from the commercial-grade ISL62882HRTZ-T (-10°C to +100°C) and makes it suitable for ruggedized notebook and embedded applications requiring cold-start capability.
Does the ISL62882IRTZ-T support both CPU and GPU voltage regulation modes?
Yes, the ISL62882IRTZ-T supports programmable operation in 1- or 2-phase CPU mode and 1-phase GPU mode. Mode selection is configured via the RBIAS resistor value and ISEN2 pin state, enabling a single controller part number to serve dual application roles within the same platform design.
How does the R3™ modulator in the ISL62882IRTZ-T improve transient response?
The R3™ modulator in the ISL62882IRTZ-T synthesizes a clean, large-amplitude ripple signal (Vcrs) that tracks inductor current without noise susceptibility. During load transients, COMP voltage shifts dynamically, accelerating master clock generation and widening PWM pulses - achieving faster response than fixed-frequency PWM while retaining 0.5% DC accuracy.
Can the ISL62882IRTZ-T be used with inductor DCR current sensing?
Yes, the ISL62882IRTZ-T fully supports lossless DCR current sensing on both phases via ISEN1 and ISEN2 inputs. It also allows thermal compensation of DCR drift using a single NTC thermistor connected to the NTC pin - a key feature for maintaining load-line accuracy across temperature.
What is the purpose of the FB2 pin on the ISL62882IRTZ-T?
The FB2 pin on the ISL62882IRTZ-T provides a dedicated compensation path for 1-phase operation. An internal switch connects FB2 to FB only in 2-phase mode; in 1-phase mode, FB2 is isolated and used with external RC components to optimize loop stability and transient performance specific to single-phase configurations.
ISL62882IRTZ-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 40-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Applications:
- Controller, Intel IMVP-6.5™
- Voltage - Input:
- 5V ~ 25V
- Number of Outputs:
- 1
- Voltage - Output:
- 0.013V ~ 1.5V
- Operating Temperature:
- -40°C ~ 100°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 40-TQFN (5x5)
ISL62882IRTZ-T FAQ
1.How can I place an order for ISL62882IRTZ-T through Aetrix?
Please submit a Request for Quotation (RFQ) for ISL62882IRTZ-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 ISL62882IRTZ-T reliable?
The price and inventory of ISL62882IRTZ-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ISL62882IRTZ-T is usually 5 days.
3.What payment methods are accepted for ISL62882IRTZ-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ISL62882IRTZ-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ISL62882IRTZ-T?
ISL62882IRTZ-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ISL62882IRTZ-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 ISL62882IRTZ-T?
For technical support, including ISL62882IRTZ-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ISL62882IRTZ-T requirements.
6.How does Aetrix verify that ISL62882IRTZ-T is sourced from the original manufacturer or authorized distributors?
All ISL62882IRTZ-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 ISL62882IRTZ-T meets industry standards.
7.What is the process for return or replacement of ISL62882IRTZ-T?
All ISL62882IRTZ-T units undergo pre-shipment inspection (PSI). If there is an issue with ISL62882IRTZ-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 ISL62882IRTZ-T part is unused and in its original packaging.
Return procedure for ISL62882IRTZ-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ISL62882IRTZ-T Tags
-
TPS51206DSQR
Texas Instruments
-
TPS51200DRCR
Texas Instruments
-
TPS51200DRCT
Texas Instruments
-
TPS62740DSSR
Texas Instruments
-
TPS51100DGQR
Texas Instruments
-
NCP51200MNTXG
onsemi
-
NCP51400MNTXG
onsemi
-
RT9026GSP
Richtek USA Inc.
-
LP2998MRX/NOPB
Texas Instruments
-
TPS51200QDRCRQ1
Texas Instruments
-
DPA423GN-TL
Power Integrations
-
LM10011SD/NOPB
Texas Instruments
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
