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Renesas HIP6004BCBZ
- Part No.:
- HIP6004BCBZ
- Manufacturer:
- Renesas
- Category:
- Special Purpose Regulators
- Package:
- 20-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
HIP6004BCBZ.pdf
- Description:
- IC REG CTRLR INTEL 1OUT 20SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,401
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Product details
Overview
HIP6004BCBZ from Intersil is a synchronous-rectified buck PWM controller IC designed for high-performance microprocessor power supplies. It drives two N-channel MOSFETs, delivers 1.3V–3.5V output via 5-bit TTL-compatible DAC (±1% regulation), supports 50kHz–1MHz programmable switching frequency, and integrates overvoltage/overcurrent protection using rDS(ON)-based current sensing - deployed in Pentium Pro, PowerPC™, and K6™ CPU VRMs.
For engineers reviewing the HIP6004BCBZ datasheet, HIP6004BCBZ pinout, HIP6004BCBZ application, or HIP6004BCBZ equivalent, key selection considerations include its voltage-mode control architecture, 0%–100% duty cycle range, 15MHz error amplifier GBW, ±10% PGOOD window, and SOIC-20 package compatibility with legacy microprocessor VRM designs.
Technical Context
The HIP6004BCBZ implements single-loop voltage-mode PWM control with a 200kHz free-running oscillator adjustable from 50kHz to >1MHz via RT-to-GND or RT-to-VCC resistor networks. Its error amplifier provides 15MHz gain-bandwidth and 6V/µs slew rate to support fast transient response in CPU power delivery.
Overcurrent protection operates without external sense resistors by comparing voltage across the upper MOSFET's rDS(ON) against a reference set by OCSET pin current (200µA typical) and ROCSET. Output voltage is digitally programmed via VID0–VID4 pins, setting both DACOUT and corresponding PGOOD/OVP thresholds per Table 1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage Range | 1.3V–3.5V in 0.05V steps (1.3–2.05V) and 0.1V steps (2.1–3.5V); digitally set via 5-bit VID interface |
| Regulation Accuracy | ±1% over line voltage and temperature; ensures stable core voltage under CPU load transients |
| Switching Frequency | Programmable 50kHz–1MHz; RT resistor sets frequency with ±15% variation across range |
| Error Amplifier GBW | 15MHz; enables high-loop bandwidth for sub-µs response to load steps in microprocessor applications |
| PGOOD Window | ±10% of DACOUT with 2% hysteresis; prevents false toggling during normal output ripple |
| OVP Threshold | 115–120% of DACOUT; triggers OVP pin to drive external SCR for input crowbar protection |
| Supply Voltage | +12V ±10%; operates from single 12V rail - no auxiliary 5V required |
Pinout & Package
Package: 20-lead SOIC (M20.3), RoHS-compliant Pb-free finish, JEDEC MS-013AC compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VSEN (1) | Output voltage feedback monitor | Connects directly to converter output; feeds PGOOD comparator and OVP circuit - defines regulation point |
| OCSET (2) | Overcurrent threshold programming | 200µA current source sets trip point with ROCSET resistor and upper MOSFET rDS(ON); enables lossless current sensing |
| SS (3) | Soft-start timing control | 10µA internal current charges external CSS capacitor; controls ramp-up time and prevents inrush current |
| VID0–VID4 (4–8) | Digital voltage identification inputs | TTL-compatible 5-bit bus selects DACOUT voltage; determines output level, PGOOD, and OVP thresholds |
| COMP (9) | Error amplifier output | Drives compensation network; connects to FB through RC network to stabilize voltage-mode loop |
| FB (10) | Error amplifier inverting input | Connected to VSEN via resistor divider; closes feedback loop for output voltage regulation |
| GND (11) | Signal ground reference | Reference for all analog and logic signals; must be low-impedance connection to minimize noise coupling |
| PGOOD (12) | Power-good status indicator | Open-drain output pulled low when VSEN is outside ±10% of DACOUT; high during disable ('11111' VID) |
| PHASE (13) | High-side switch node monitor | Connects to upper MOSFET source; provides return path for UGATE drive and rDS(ON) sensing |
| UGATE (14) | Upper MOSFET gate driver output | Source/sink capable (500mA/5.5Ω typical); drives N-channel high-side FET via bootstrap circuit |
| BOOT (15) | Bootstrap supply input | Provides floating bias for UGATE driver; requires external bootstrap capacitor between BOOT and PHASE |
| PGND (16) | Power ground return | Low-side MOSFET source connection; separates power and signal grounds to reduce noise |
| LGATE (17) | Lower MOSFET gate driver output | Source/sink capable (450mA/3.5Ω typical); drives N-channel synchronous rectifier |
| VCC (18) | Bias supply input | +12V ±10% main supply; powers internal logic, drivers, and amplifiers |
| OVP (19) | Overvoltage protection output | Active-high open-collector output; triggers external SCR for input crowbar on >115% overvoltage |
| RT (20) | Oscillator frequency programming | Resistor to GND increases frequency (~200kHz + 5×10⁶/RT); resistor to VCC decreases frequency (~200kHz – 4×10⁷/RT) |
Key Features
| Feature | Design Value |
|---|---|
| Lossless overcurrent protection | Uses upper MOSFET rDS(ON) instead of sense resistor - reduces BOM cost and PCB area while improving efficiency |
| Wide-range digital voltage programming | 32 discrete output levels (1.3–3.5V) via 5-bit VID interface - supports multiple microprocessor families without hardware change |
| High-bandwidth error amplifier | 15MHz GBW and 6V/µs slew rate enable >100kHz closed-loop bandwidth - critical for CPU load-step response |
| Programmable switching frequency | 50kHz–1MHz range via single RT resistor - allows optimization of size (higher fSW) vs. efficiency (lower fSW) |
| Integrated power-good monitoring | ±10% window with 2% hysteresis on VSEN - provides reliable system reset signaling without external comparators |
Applications
| Pentium Pro / Pentium II CPU Power Supply | PowerPC™ Microprocessor VRM |
|---|---|
Use Scenario: Regulating core voltage for Intel Pentium Pro and Pentium II processors requiring dynamically adjustable 1.8–2.0V outputs with fast transient response. IC Role / Device Role / Timing Role: Primary PWM controller managing synchronous buck topology, VID decoding, and real-time overvoltage/overcurrent protection. Use Value: Enables precise 0.05V DAC steps and ±1% regulation accuracy to meet Intel VRM specifications under 1A/ns load transients. | Use Scenario: Providing tightly regulated 2.5V or 3.3V supply to PowerPC™ microprocessors in embedded industrial controllers. IC Role / Device Role / Timing Role: Voltage-mode controller with integrated soft-start, PGOOD signaling, and rDS(ON)-based current limiting for compact VRM design. Use Value: Eliminates external current-sense resistor and simplifies layout while maintaining ±10% PGOOD window for system-level power sequencing. |
| K6™ and 6X86™ Processor Power Delivery | Low-Voltage Distributed DC-DC Regulation |
Use Scenario: Delivering 2.2–2.9V core power to AMD K6™ and Cyrix 6X86™ CPUs in desktop motherboards. IC Role / Device Role / Timing Role: Synchronous buck controller with 5-bit VID interface, 200kHz base oscillator, and hiccup-mode overcurrent protection. Use Value: Supports legacy VID tables via TTL-compatible inputs and maintains stable regulation across 0°C–70°C ambient range. | Use Scenario: Generating localized 1.8V or 2.5V rails from a 5V or 12V backplane in telecom or networking equipment. IC Role / Device Role / Timing Role: Compact SOIC-based buck controller enabling high-efficiency point-of-load conversion with minimal external components. Use Value: Reduces solution size via integrated gate drivers and eliminates sense resistor - ideal for space-constrained distributed power architectures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous buck controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HIP6006BCBZ | Higher 200kHz base frequency (vs. 200kHz), identical VID range and SOIC-20 package; adds enhanced thermal shutdown | Targeted at higher-power CPU VRMs where tighter thermal management is required | Select HIP6006BCBZ only if thermal shutdown functionality is needed - otherwise HIP6004BCBZ remains optimal for cost-sensitive legacy designs |
| ISL6522CBZ | Same manufacturer, 20-pin SOIC, but uses current-mode control and supports 3.3V/5V input; lacks rDS(ON) current sensing | Designed for newer VRM 8.5+ compliance with tighter transient specs and dual-phase capability | ISL6522CBZ requires redesign for current sensing and compensation - not drop-in; use only for new designs targeting VRM 8.5+ compliance |
Compared with HIP6006BCBZ and ISL6522CBZ, the HIP6004BCBZ offers the most direct fit for legacy Pentium Pro/K6™ systems due to its voltage-mode architecture, identical pinout, and proven rDS(ON) current sensing - avoiding layout changes or compensation rework.
Availability
HIP6004BCBZ is available at Aetrix Electronics and suitable for CPU VRM designs, microprocessor power supplies, and low-voltage distributed DC-DC regulators requiring stable component supply and long-term obsolescence support.
Supply support for HIP6004BCBZ 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
Intersil Corporation (now part of Renesas Electronics) is a U.S.-based semiconductor company specializing in precision analog and power management ICs for computing, industrial, and communications markets.
The HIP6004B product line was developed specifically for high-performance microprocessor voltage regulator modules (VRMs), delivering digitally programmable, synchronous-buck control with integrated protection in industry-standard packages.
FAQ
What is the operating temperature range for the HIP6004BCBZ?
The HIP6004BCBZ is specified for an ambient temperature range of 0°C to 70°C, as confirmed in the Absolute Maximum Ratings table on page 4 of FN4567 Rev 3.00. This commercial-grade rating aligns with its target use in desktop motherboard VRMs and embedded microprocessor power supplies where airflow and thermal management are controlled.
Does the HIP6004BCBZ require an external current-sense resistor?
No, the HIP6004BCBZ does not require an external current-sense resistor. It implements lossless overcurrent protection by monitoring the voltage drop across the upper MOSFET's rDS(ON) using the OCSET pin and an internal 200µA current source - a key differentiator confirmed in the Functional Description and Applications sections of the datasheet.
Can the HIP6004BCBZ operate from a +5V supply instead of +12V?
Yes, the HIP6004BCBZ supports operation from either +5V or +12V input as stated in the Features section and Operating Conditions table. However, the recommended VCC supply is +12V ±10%, and +5V operation may limit gate drive strength and maximum achievable switching frequency depending on external component selection.
What is the function of the '11111' VID code on the HIP6004BCBZ?
The '11111' VID code (all VID pins high) disables the HIP6004BCBZ gate drivers and forces 0V output, activating Power-On Reset behavior. Uniquely, PGOOD asserts high in this state - a design feature enabling AND-gating of PGOOD signals in dual-CPU systems, as explicitly documented in the Output Voltage Program section on page 7.
Is the HIP6004BCBZ pin-compatible with other HIP6004x variants like HIP6004BCRZ?
No, the HIP6004BCBZ (SOIC-20) is not pin-compatible with HIP6004BCRZ (QFN-20). Although both share identical electrical functionality and pin numbering, the QFN package has different pad layout, thermal pad placement, and soldering requirements. The SOIC and QFN variants require separate PCB footprints - confirmed in the Ordering Information table on page 2.
HIP6004BCBZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 20-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Applications:
- Controller, Intel Pentium®, II, Pro
- Voltage - Input:
- 5V, 12V
- Number of Outputs:
- 1
- Voltage - Output:
- 1.3V ~ 3.5V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-SOIC
HIP6004BCBZ FAQ
1.How can I place an order for HIP6004BCBZ through Aetrix?
Please submit a Request for Quotation (RFQ) for HIP6004BCBZ 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 HIP6004BCBZ reliable?
The price and inventory of HIP6004BCBZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HIP6004BCBZ is usually 5 days.
3.What payment methods are accepted for HIP6004BCBZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HIP6004BCBZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HIP6004BCBZ?
HIP6004BCBZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HIP6004BCBZ 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 HIP6004BCBZ?
For technical support, including HIP6004BCBZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HIP6004BCBZ requirements.
6.How does Aetrix verify that HIP6004BCBZ is sourced from the original manufacturer or authorized distributors?
All HIP6004BCBZ 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 HIP6004BCBZ meets industry standards.
7.What is the process for return or replacement of HIP6004BCBZ?
All HIP6004BCBZ units undergo pre-shipment inspection (PSI). If there is an issue with HIP6004BCBZ, 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 HIP6004BCBZ part is unused and in its original packaging.
Return procedure for HIP6004BCBZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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