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Renesas ISL6217ACVZA
- Part No.:
- ISL6217ACVZA
- Manufacturer:
- Renesas
- Category:
- Special Purpose Regulators
- Package:
- 38-TFSOP (0.173", 4.40mm Width)
- Datasheet:
-
ISL6217ACVZA.pdf
- Description:
- IC REG CTRLR INTEL 1OUT 38TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,592
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Product details
Overview
ISL6217ACVZA from Renesas Electronics (formerly Intersil) is a precision two-phase buck PWM controller IC with integrated half-bridge gate drivers, designed for Intel Pentium IV mobile microprocessor CORE voltage regulation per IMVP-IV™ and IMVP-IV+™ specifications. It delivers 0.700V–1.708V output in 16mV VID steps, supports 250kHz–1MHz per-phase switching, and implements lossless MOSFET rDS(ON) current sensing. It operates in Active, Deep Sleep, and Deeper Sleep modes for notebook power management.
For engineers reviewing the ISL6217ACVZA datasheet, ISL6217ACVZA pinout, ISL6217ACVZA application, or ISL6217ACVZA equivalent, this page provides verified technical context, confirmed pin functions, real-world mode transition behavior, IMVP-IV compliance details, and validated alternative options for mobile CPU core regulator design.
Technical Context
The ISL6217ACVZA uses average current-mode control combined with input voltage feed-forward to achieve fast dynamic response during CPU load transients. Its proprietary "Droop" architecture-programmed via external resistor on SOFT/EA+-enables precise load-line regulation compliant with IMVP-IV™/IMVP-IV+™ voltage positioning requirements.
It integrates dual 4A-sink/2A-source gate drivers with bootstrap diodes, supports dynamic phase shedding (2-phase Active → 1-phase Deep/Deeper Sleep), and implements diode emulation in low-power modes. Protection includes 32-cycle overcurrent shutdown, ±12% overvoltage/undervoltage thresholds relative to VID setpoint, and PGOOD with internal blanking during VID and mode transitions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage Range | 0.700V–1.708V in 16mV steps; digitally programmed via 6-bit VID inputs per IMVP-IV™ specification. |
| Switching Frequency | 250kHz–1MHz per phase; set by resistor on FSET pin; enables optimization of efficiency vs. size trade-offs. |
| System Accuracy | ±0.8% over temperature; ensures stable CORE voltage regulation under thermal stress in notebook environments. |
| Current Sensing | "Loss-less" sensing using high-side MOSFET rDS(ON); eliminates sense resistor, reducing board area and conduction loss. |
| Protection Thresholds | OVP = 112% of VID setpoint; UVP = 84% of VID setpoint; OCP = user-programmable via OCSET resistor (e.g., 64µA typical). |
| Operating Temp | −10°C to +85°C ambient; validated for notebook chassis thermal profiles with 125°C max junction temperature. |
| Package | 38-lead TSSOP (Pb-free, RoHS-compliant); M38.173 footprint; θJA = 72°C/W for thermal design reference. |
Pinout & Package
ISL6217ACVZA is housed in a 38-lead Pb-free TSSOP package (M38.173), optimized for compact notebook motherboard layouts and compatible with standard reflow profiles including Pb-free anneal.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Primary supply input | +5V ±5% logic supply; powers internal circuitry; POR threshold 4.45V (rising), 4.20V (falling). |
| VID0–VID5 | Digital voltage identification inputs | 6-bit parallel bus accepting CMOS logic levels; sets DACOUT voltage per IMVP-IV™ VID table (e.g., 0x3F = 0.700V). |
| PWRCH | Power channel select | Logic HIGH enables 2-phase operation; LOW forces single-phase mode for light-load efficiency in sleep states. |
| DSEN#, DRSEN | Sleep mode control inputs | DSEN# (active-low) + DRSEN (active-high) jointly determine Active/Deep/Deeper Sleep mode per Table 2 in datasheet. |
| UG1/UG2, LG1/LG2 | Gate drive outputs | Integrated high-side (2A source/2A sink) and low-side (4A sink/2A source) drivers; support synchronous buck topology. |
| ISEN1/ISEN2 | Current sense inputs | Accept lossless rDS(ON) sense signals from phase nodes; full-scale input current = 32µA. |
| PGOOD | Power-good status signal | Open-drain output held low until VCORE reaches within 12% of boot voltage; masked during VID/mode changes. |
Key Features
| Feature | Design Value |
|---|---|
| IMVP-IV™/IMVP-IV+™ Compliance | Fully implements mobile VID protocol, droop compensation, slew rate timing, and sleep-mode voltage setpoints (DSV/DRSV). |
| Dynamic Phase Management | Automatically switches between 2-phase (Active) and 1-phase (Deep/Deeper Sleep) operation without external intervention. |
| Diode Emulation | Enables discontinuous conduction mode in Deep/Deeper Sleep to eliminate reverse recovery losses and improve light-load efficiency. |
| Programmable Droop & Slew Rate | Droop current (27–30µA) and soft-start/slew rate set via SOFT pin capacitor and EA+/SOFT resistor network. |
| Integrated Gate Drivers | On-chip high- and low-side drivers with bootstrap diodes reduce BOM count and layout complexity for dual-phase designs. |
Applications
| Intel Mobile CPU Core Regulation | Notebook VRM Power Stage Control |
|---|---|
Use Scenario: Regulating CORE voltage for Pentium IV-M and compatible mobile processors in ultra-thin notebooks. IC Role / Device Role / Timing Role: Primary multi-phase PWM controller managing VID decoding, droop compensation, phase shedding, and sleep-state transitions. Use Value: Enables IMVP-IV™-compliant voltage positioning with <±0.8% system accuracy and sub-12ms VID capture latency after PGOOD assertion. |
Use Scenario: Driving dual synchronous buck stages with discrete MOSFETs in space-constrained laptop motherboards. IC Role / Device Role / Timing Role: Integrated gate driver + PWM controller eliminating need for external drivers and simplifying PCB routing. Use Value: Reduces component count by integrating 4A low-side sinks and bootstrap diodes, lowering solution cost and improving thermal performance. |
| Mobile Platform Sleep-State Optimization | IMVP-IV™ Reference Design Implementation |
Use Scenario: Enabling deep power savings during STP_CPU# and DPRSLPVR asserted states in Windows ACPI S3/S4. IC Role / Device Role / Timing Role: Mode sequencer that reconfigures output voltage (to DSV/DRSV), reduces phase count, and activates diode emulation. Use Value: Achieves >30% reduction in light-load quiescent current versus fixed-phase controllers, extending battery runtime. |
Use Scenario: Serving as the reference controller in OEM and chipset vendor VRM reference designs for Intel mobile platforms. IC Role / Device Role / Timing Role: Certified IMVP-IV™/IMVP-IV+™ compliant controller used in validation test benches and production BIOS enablement. Use Value: Guarantees interoperability with Intel's mobile voltage positioning spec, accelerating platform qualification and time-to-market. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multi-phase buck controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ISL6227CRZ | Dual-output (VCCP/VCCMCH) controller only; no VID interface or CORE droop; lacks PWRCH/DSEN#/DRSEN logic. | Designed for auxiliary rail regulation-not CORE voltage; cannot replace ISL6217ACVZA in IMVP-IV™ CPU power delivery. | Select only if regulating non-CORE rails; not a functional substitute for ISL6217ACVZA. |
| RT8802AGQW | Single-phase IMVP-IV™ controller; no PWRCH pin or phase-shedding capability; lower gate drive (1.5A sink). | Targeted at low-power Atom/Celeron platforms; insufficient for Pentium IV-M peak current demands. | Consider only for cost-sensitive, single-phase mobile designs where 2-phase headroom is unnecessary. |
Compared with ISL6227CRZ and RT8802AGQW, the ISL6217ACVZA uniquely combines dual-phase operation, IMVP-IV™ VID decoding, programmable droop, and hardware-managed sleep-mode transitions-making it irreplaceable for Pentium IV-M CORE regulation where phase shedding and voltage positioning are mandatory.
Availability
ISL6217ACVZA is available at Aetrix Electronics and suitable for notebook motherboard design, mobile VRM development, and Intel platform validation requiring stable component supply and long-term lifecycle support.
Supply support for ISL6217ACVZA 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 full technical and supply chain continuity for legacy Intersil power management products.
The ISL6217ACVZA belongs to Intersil's IMVP-IV™-optimized mobile CPU power controller family, engineered specifically for precision CORE voltage regulation in Intel-based notebook platforms with aggressive thermal and efficiency constraints.
FAQ
What is the function of the PWRCH pin on the ISL6217ACVZA?
The PWRCH pin on the ISL6217ACVZA controls the number of active power phases: a logic HIGH enables two-phase operation for high-current Active mode, while a logic LOW forces single-phase operation to improve light-load efficiency in Deep and Deeper Sleep modes. It can be tied directly to DSEN# or an inverted DPRSLPVR signal for automatic mode-aware phase selection. This functionality is integral to the ISL6217ACVZA's IMVP-IV™ compliance and thermal management strategy.
Does the ISL6217ACVZA support lossless current sensing, and how is it implemented?
Yes, the ISL6217ACVZA supports lossless current sensing using the high-side MOSFET's rDS(ON) as the current sense element-eliminating the need for discrete sense resistors. The ISEN1 and ISEN2 pins accept the scaled voltage drop across each phase's upper MOSFET, with full-scale input current specified at 32µA. This implementation reduces board area, conduction loss, and thermal stress, directly enhancing the ISL6217ACVZA's efficiency in both Active and sleep modes.
How does the ISL6217ACVZA handle voltage transitions during Deep and Deeper Sleep mode entry?
The ISL6217ACVZA transitions to Deep Sleep when DSEN# goes LOW and DRSEN remains LOW, regulating to the DSV pin voltage minus droop; it enters Deeper Sleep when DSEN# is LOW and DRSEN goes HIGH, regulating to the DRSV pin voltage minus droop. Both transitions use the SOFT pin's dual-current-source circuitry (30µA + 100µA) to meet IMVP-IV™-specified slew rates. These controlled transitions are fully hardware-managed and require no firmware intervention-ensuring deterministic behavior in the ISL6217ACVZA's mobile power delivery role.
What are the overvoltage and undervoltage protection thresholds for the ISL6217ACVZA?
The ISL6217ACVZA provides overvoltage protection (OVP) at 112% and undervoltage protection (UVP) at 84% of the active VID, Deep Sleep, or Deeper Sleep setpoint voltage-measured at the VSEN pin. These thresholds are fixed ratios, not absolute voltages, ensuring consistent protection across the full 0.700V–1.708V output range. Upon fault detection, the ISL6217ACVZA latches off and pulls PGOOD low, providing fail-safe signaling to the host platform. This behavior is documented in the Electrical Specifications table on page 4 of FN9107 Rev 3.00.
Can the ISL6217ACVZA operate with a 3.3V VDD supply instead of 5V?
No-the ISL6217ACVZA requires a nominal +5V ±5% supply on the VDD pin, with a Power-On Reset (POR) rising threshold of 4.45V and falling threshold of 4.20V. Operation below 4.35V will trigger POR shutdown, halting all PWM and gate-drive functions. The datasheet specifies VDD = 5V for all electrical characteristics, and the internal gate drivers (VDDP) also derive from this rail. Using 3.3V violates the absolute maximum ratings and will prevent the ISL6217ACVZA from initializing or sustaining regulation.
ISL6217ACVZA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 38-TFSOP (0.173", 4.40mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Applications:
- Controller, Intel Pentium® IMVP-IV, IMVP+
- Voltage - Input:
- 5.5V ~ 25V
- Number of Outputs:
- 1
- Voltage - Output:
- -
- Operating Temperature:
- -10°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 38-TSSOP
ISL6217ACVZA FAQ
1.How can I place an order for ISL6217ACVZA through Aetrix?
Please submit a Request for Quotation (RFQ) for ISL6217ACVZA 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 ISL6217ACVZA reliable?
The price and inventory of ISL6217ACVZA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ISL6217ACVZA is usually 5 days.
3.What payment methods are accepted for ISL6217ACVZA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ISL6217ACVZA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ISL6217ACVZA?
ISL6217ACVZA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ISL6217ACVZA 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 ISL6217ACVZA?
For technical support, including ISL6217ACVZA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ISL6217ACVZA requirements.
6.How does Aetrix verify that ISL6217ACVZA is sourced from the original manufacturer or authorized distributors?
All ISL6217ACVZA 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 ISL6217ACVZA meets industry standards.
7.What is the process for return or replacement of ISL6217ACVZA?
All ISL6217ACVZA units undergo pre-shipment inspection (PSI). If there is an issue with ISL6217ACVZA, 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 ISL6217ACVZA part is unused and in its original packaging.
Return procedure for ISL6217ACVZA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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