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Renesas HIP6012CV-T
- Part No.:
- HIP6012CV-T
- Manufacturer:
- Renesas
- Category:
- Special Purpose Regulators
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
HIP6012CV-T.pdf
- Description:
- IC REG CTRLR INTEL 1OUT 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,393
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Product details
Overview
HIP6012CV-T from Intersil is a synchronous-rectified buck PWM controller IC designed to drive two N-channel MOSFETs in high-performance microprocessor power supplies. It delivers precise 1.27V internal reference regulation (±1.5% tolerance), supports 50kHz–1MHz programmable switching frequency, and features 15MHz gain-bandwidth error amplifier with 6V/μs slew rate for fast transient response in Pentium® and PowerPC™ applications.
For engineers reviewing the HIP6012CV-T datasheet, HIP6012CV-T pinout, HIP6012CV-T application, or HIP6012CV-T equivalent, key selection criteria include its voltage-mode control architecture, rDS(ON)-based overcurrent protection without sense resistors, 0–100% duty cycle capability, and TSSOP-14 package compatibility with high-density DC-DC regulator designs.
Technical Context
The HIP6012CV-T implements a single-loop voltage-mode PWM control scheme with a 200kHz free-running oscillator adjustable via external RT resistor. Its error amplifier provides 88dB DC gain and operates with a 1.9Vpp ramp amplitude for stable loop compensation.
Overcurrent protection is implemented by comparing the voltage drop across the upper MOSFET's rDS(ON) against a reference set by an internal 200μA OCSET current source and external ROCSET resistor - eliminating discrete current-sense components while enabling hiccup-mode fault recovery.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reference Voltage | 1.27V ±1.5% over line and temperature - enables accurate low-voltage output regulation for microprocessor cores. |
| Switching Frequency Range | 50kHz to >1MHz - programmable via RT pin for optimal trade-off between efficiency, size, and EMI. |
| Error Amplifier GBW | 15MHz - supports high-bandwidth feedback loops essential for sub-100ns load transient response. |
| Duty Cycle Range | 0% to 100% - allows full input-to-output voltage conversion range including 100% conduction for low-dropout operation. |
| OCSET Current Source | 200μA typical - sets overcurrent trip threshold using only upper MOSFET rDS(ON), removing need for sense resistor. |
| Supply Voltage Range | +12V ±10% - compatible with standard industrial and computing bias rails without level-shifting. |
| Package | TSSOP-14 - surface-mount footprint optimized for compact, high-current DC-DC converter layouts. |
Pinout & Package
HIP6012CV-T is housed in a 14-lead Thin Shrink Small Outline Package (TSSOP), RoHS-compliant and rated for 0°C to 70°C ambient operation. Thermal resistance θJA is 95°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RT (1) | Oscillator frequency adjust | Connects to GND or VCC via resistor to program switching frequency from 50kHz to >1MHz. |
| OCSET (2) | Overcurrent threshold reference | Accepts resistor to upper MOSFET drain; sets trip point using internal 200μA current source and rDS(ON). |
| SS (3) | Soft-start timing | External capacitor charged by 10μA current source controls startup ramp time and prevents inrush. |
| COMP (4) | Error amplifier output | Drives compensation network; clamped during soft-start to limit output voltage rise rate. |
| FB (5) | Error amplifier inverting input | Connects to voltage divider from output; compares actual output to 1.27V reference. |
| EN (6) | Enable/disable control | Open-collector input; pulled low (<1V) disables PWM, discharges SS, and holds gates low. |
| GND (7) | Signal ground reference | Common return for all analog and logic circuitry; separate from PGND for noise isolation. |
| PHASE (8) | High-side switch node monitor | Connected to upper MOSFET source; used for rDS(ON)-based current sensing and bootstrap return path. |
| UGATE (9) | Upper MOSFET gate driver output | Sources/sinks up to 500mA/10Ω to drive N-channel high-side FET in synchronous buck topology. |
| BOOT (10) | Bootstrap supply input | Provides floating bias for UGATE driver; requires external boot capacitor referenced to PHASE. |
| PGND (11) | Power ground return | Direct connection point for lower MOSFET source; carries high di/dt currents, must be low-inductance. |
| LGATE (12) | Lower MOSFET gate driver output | Sources/sinks up to 450mA/6.5Ω to drive N-channel low-side FET with fast turn-on/turn-off. |
| PVCC (13) | Lower gate driver bias supply | Separate 12V supply for LGATE driver; decoupled locally to minimize switching noise coupling. |
| VCC (14) | Main IC bias supply | +12V ±10% supply for internal logic, oscillator, and reference; draws 5mA typical operating current. |
Key Features
| Feature | Design Value |
|---|---|
| rDS(ON)-based overcurrent protection | Eliminates external current-sense resistor, reducing BOM cost and PCB area while maintaining accurate peak-current limiting. |
| Programmable 50kHz–1MHz oscillator | Enables optimization of magnetic component size, efficiency, and EMI profile without changing controller IC. |
| 15MHz GBW error amplifier | Supports wide-bandwidth loop compensation for <10μs load transient recovery in high-performance CPU VRMs. |
| 0–100% duty cycle control | Permits operation at near-unity duty ratio for minimal dropout in low-VIN, high-VOUT applications. |
| Integrated soft-start with 10μA current source | Ensures controlled output ramp using single external capacitor; prevents inrush current and system reset events. |
Applications
| Microprocessor Core Supply | High-Power 5V-to-3.xV Regulator |
|---|---|
Use Scenario: Delivering tightly regulated 1.5V/1.8V/2.5V to Pentium® Pro, Alpha™, or PowerPC™ processors under dynamic load steps exceeding 10A/μs. IC Role / Device Role / Timing Role: Primary PWM controller managing synchronous rectification, voltage feedback, and overcurrent protection in multiphase-capable single-phase VRM. Use Value: ±1.5% output regulation and 15MHz error amplifier enable stable core voltage during rapid DVFS transitions without external supervision. | Use Scenario: Converting +5V bus to 3.3V/3.6V for high-current peripheral logic, FPGA I/O banks, or ASIC subsystems requiring >20A output. IC Role / Device Role / Timing Role: Central timing and gate-drive controller coordinating dual N-MOSFET switches with adaptive dead-time management via PHASE node sensing. Use Value: 0–100% duty cycle and rDS(ON) current sensing allow efficient operation across full input/output voltage differentials without auxiliary components. |
| Low-Voltage Distributed Power | Industrial Embedded DC-DC Module |
Use Scenario: Generating 1.27V–3.3V from 12V intermediate bus in telecom line cards or server backplanes where space and thermal density are constrained. IC Role / Device Role / Timing Role: Compact, self-contained PWM controller providing voltage-mode regulation, hiccup-mode fault recovery, and programmable frequency for layout flexibility. Use Value: TSSOP-14 package and integrated 1.27V reference reduce component count versus discrete op-amp + comparator solutions. | Use Scenario: Powering ARM-based controllers, industrial PLC I/O modules, or sensor fusion units requiring robust start-up sequencing and brown-out immunity. IC Role / Device Role / Timing Role: System-level power supervisor with Power-On Reset (POR), enable-controlled sequencing, and soft-start coordination across multiple rails. Use Value: EN pin interface and internal POR thresholds (8.8V/10.4V) simplify integration into systems with unregulated 12V inputs and no dedicated supervisor IC. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous buck PWM controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HIP6006CBZ | Same pinout, identical functional block diagram, but ±2.0% reference tolerance vs. HIP6012CV-T's ±1.5%. | Valid for legacy Pentium® designs where tighter regulation not required; lacks same soft-start current spec (10μA vs. 12μA). | Select when cost sensitivity outweighs need for tightest output regulation and fastest transient response. |
| ISL6226CRZ | Higher integration: includes MOSFET drivers with 1.2A sink/source, but fixed 300kHz oscillator (non-programmable) and no rDS(ON) OC sensing. | Better suited for space-constrained laptop VRMs; requires external current-sense resistor and offers less frequency flexibility. | Prefer when board area is critical and design can accept fixed frequency and added BOM complexity for current sensing. |
Compared with HIP6006CBZ and ISL6226CRZ, the HIP6012CV-T provides superior voltage accuracy and programmable frequency for custom VRM tuning, while retaining pin compatibility with HIP6006 - making it ideal for upgrading existing designs needing tighter regulation without layout changes.
Availability
HIP6012CV-T is available at Aetrix Electronics and suitable for microprocessor core supplies, high-power 5V-to-3.xV DC-DC regulators, and low-voltage distributed power systems requiring stable component supply across long production lifecycles.
Supply support for HIP6012CV-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
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 HIP6012CV-T belongs to Intersil's high-performance DC-DC controller product line, engineered specifically for synchronous buck converters powering advanced microprocessors with stringent voltage accuracy and transient response requirements.
FAQ
What is the recommended input voltage range for HIP6012CV-T operation?
The HIP6012CV-T is specified for a nominal +12V ±10% supply on the VCC pin, corresponding to 10.8V to 13.2V. The PVCC pin also accepts +12V for lower gate driver bias. Input voltages outside this range risk violating absolute maximum ratings and may cause improper POR behavior or latch-up. Always maintain VCC within this window during steady-state operation and ensure the Power-On Reset rising threshold (10.4V) is met before enabling the device.
How does HIP6012CV-T implement overcurrent protection without a sense resistor?
The HIP6012CV-T uses the upper MOSFET's intrinsic rDS(ON) as a current-sense element. An internal 200μA current source flows through an external ROCSET resistor tied to the OCSET pin, generating a reference voltage. When the voltage drop across the upper MOSFET (measured at PHASE relative to OCSET) exceeds this reference, the controller triggers hiccup-mode soft-start restart. This eliminates external sense resistors while preserving accuracy dependent on MOSFET rDS(ON) specs.
Can HIP6012CV-T support 100% duty cycle operation, and what design considerations apply?
Yes, the HIP6012CV-T supports true 0–100% duty cycle operation, enabling minimum dropout in low-VIN, high-VOUT scenarios. To achieve 100% conduction, ensure the BOOT capacitor is adequately sized and the bootstrap diode has low forward voltage - otherwise UGATE drive collapses. Also verify that the PHASE node remains within safe voltage limits during sustained 100% on-time, especially under light loads where body diode conduction may occur.
What is the function of the SS pin on HIP6012CV-T, and how is soft-start time determined?
On the HIP6012CV-T, the SS (soft-start) pin connects to an external capacitor that is linearly charged by an internal 10μA current source. Soft-start duration is calculated as tSS ≈ (4V × CSS) / 10μA, where CSS is in farads and tSS in seconds. For example, a 0.1μF capacitor yields ~40ms ramp time. During this interval, the COMP and reference inputs are clamped to the SS voltage, preventing output overshoot and controlling inrush current in the HIP6012CV-T based converter.
Is HIP6012CV-T pin-compatible with other controllers in the HIP60xx family?
Yes, the HIP6012CV-T shares identical pinout and basic functionality with the HIP6006CB/CBZ series, including matching signal assignments for RT, OCSET, SS, COMP, FB, EN, PHASE, UGATE, BOOT, PGND, LGATE, PVCC, and VCC. However, differences exist in reference tolerance (±1.5% vs. ±2.0%), soft-start current (10μA vs. 12μA), and oscillator stability - so direct substitution requires validation of loop stability and transient performance in the target application.
HIP6012CV-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Applications:
- Controller, Intel Pentium® Pro, PowerPC, Alpha
- Voltage - Input:
- 5V, 12V
- Number of Outputs:
- 1
- Voltage - Output:
- 1.3V ~ 12V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-TSSOP
HIP6012CV-T FAQ
1.How can I place an order for HIP6012CV-T through Aetrix?
Please submit a Request for Quotation (RFQ) for HIP6012CV-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 HIP6012CV-T reliable?
The price and inventory of HIP6012CV-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HIP6012CV-T is usually 5 days.
3.What payment methods are accepted for HIP6012CV-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HIP6012CV-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HIP6012CV-T?
HIP6012CV-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HIP6012CV-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 HIP6012CV-T?
For technical support, including HIP6012CV-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HIP6012CV-T requirements.
6.How does Aetrix verify that HIP6012CV-T is sourced from the original manufacturer or authorized distributors?
All HIP6012CV-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 HIP6012CV-T meets industry standards.
7.What is the process for return or replacement of HIP6012CV-T?
All HIP6012CV-T units undergo pre-shipment inspection (PSI). If there is an issue with HIP6012CV-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 HIP6012CV-T part is unused and in its original packaging.
Return procedure for HIP6012CV-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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