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Renesas HIP4086ABZ
- Part No.:
- HIP4086ABZ
- Manufacturer:
- Renesas
- Category:
- Full Half-Bridge (H Bridge) Drivers
- Package:
- 24-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
HIP4086ABZ.pdf
- Description:
- IC HALF BRIDGE DRIVER 24SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:12,709
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Product details
Overview
HIP4086ABZ from Intersil is a 3-phase N-channel MOSFET driver IC designed for PWM motor control, featuring 80V high-side capability, 500mA output current per channel, programmable dead time (0.5–4.5µs), and integrated bootstrap refresh logic. It drives six external N-MOSFETs in a 3-phase bridge configuration and is used in brushless DC motor inverters with 24–48V battery supplies.
For engineers reviewing the HIP4086ABZ datasheet, HIP4086ABZ pinout, HIP4086ABZ application, or HIP4086ABZ equivalent, key selection considerations include its charge pump-enabled high-side biasing, 1.25A peak turn-off current, 20ns/10ns rise/fall times into 1000pF, and -40°C to +125°C industrial temperature range.
Technical Context
The HIP4086ABZ implements shoot-through protection via resistor-programmable turn-on delay timers on all six gate drivers, activated when RDEL voltage exceeds 100mV. Its internal charge pump (enabled in HIP4086ABZ, disabled in HIP4086A variants) sustains high-side bias during indefinite on-times by sourcing ≥40µA at VxHB–VxHS = 10V.
It features independent logic-level inputs (xHI/xLI) per phase, a dedicated disable input (DIS), programmable undervoltage lockout (6.6–8.5V), and a startup bootstrap refresh pulse triggered on VDD application or UVLO exit - turning on all low-side outputs while holding off high-side outputs to precharge boot capacitors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 7V to 15V - supports standard 12V motor control rails with ±1V margin for ripple and drop. |
| High-Side Voltage Rating | Up to 80V - enables direct interface with 48V battery systems and handles transient overvoltage up to 85V. |
| Dead Time Range | 0.5µs to 4.5µs - set externally via RDEL resistor; prevents shoot-through in low-frequency (<100kHz) motor drive switching. |
| Rise/Fall Time | 20ns / 10ns into 1000pF - ensures fast, clean gate transitions for efficient MOSFET switching and reduced conduction losses. |
| Peak Turn-Off Current | 1.25A - provides strong gate discharge for rapid MOSFET turn-off, critical for minimizing switching losses and EMI. |
| Bootstrap Refresh Pulse | Typically 1.5µs - automatically activates at power-up to fully charge high-side boot capacitors before normal operation begins. |
| Undervoltage Threshold | Programmable 6.6V–8.5V - configurable via external resistor on UVLO pin to match system brown-out requirements. |
Pinout & Package
Package: 24-lead SOIC (RoHS-compliant, M24.3 drawing), thermal resistance θJA = 75°C/W, suitable for surface-mount motor control PCBs with moderate power dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AHO, BHO, CHO | High-side gate outputs | Drive gates of high-side N-MOSFETs; each referenced to its respective xHS pin; require external bootstrap network. |
| ALO, BLO, CLO | Low-side gate outputs | Drive gates of low-side N-MOSFETs; referenced to common VSS; capable of 1.25A sink current. |
| AHI, BHI, CHI | High-side logic inputs | Invert logic: low input → high output; compatible with 0–15V logic levels up to VDD. |
| ALI, BLI, CLI | Low-side logic inputs | Direct logic: high input → high output; same voltage range as xHI pins. |
| RDEL | Dead time programming | Resistor-to-VDD sets timing current; 10kΩ–100kΩ yields 0.5–4.5µs dead time; grounding disables protection. |
| RFSH | Refresh pulse timing | Capacitor-to-VSS extends startup bootstrap refresh pulse beyond default 1.5µs for marginal supply conditions. |
| UVLO | Undervoltage threshold adjust | Resistor-to-VSS programs shutdown threshold from 6.6V (open) to 8.5V (100kΩ); improves system brown-out robustness. |
| DIS | Global disable input | Active-high signal forces all six outputs low; overrides all other inputs for safe fault shutdown. |
| AHB, BHB, CHB | High-side bias connections | Anode connection point for external bootstrap diodes; supplies charging path for boot capacitors. |
| AHS, BHS, CHS | High-side source references | Connect to sources of high-side MOSFETs; serve as local ground reference for xHO outputs and boot capacitor negatives. |
| VDD | Main supply input | 7–15V positive rail; requires local 0.1µF ceramic decoupling to VSS for stable operation. |
| VSS | Power ground | Common return for low-side FET sources and internal logic; must be low-impedance connection to minimize noise coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Charge pump enabled | Provides continuous high-side bias current (≥40µA) enabling true 100% duty cycle operation without boot capacitor droop. |
| Programmable bootstrap refresh | External capacitor on RFSH pin extends startup refresh pulse duration to ensure reliable boot capacitor charging under weak supply conditions. |
| Independent per-phase control | Three full half-bridge sections (A/B/C) with separate xHI/xLI inputs allow flexible commutation schemes including six-step and sinusoidal PWM. |
| Robust shoot-through prevention | Hardware-enforced dead time with resistor programming eliminates software timing dependency and guarantees safe switching sequence. |
| Wide undervoltage programming range | UVLO pin accepts external resistor divider to precisely set disable threshold across 6.6–8.5V, matching battery voltage sag profiles in portable tools and vehicles. |
Applications
| Brushless DC Motor Drives | 3-Phase AC Induction Motor Control |
|---|---|
Use Scenario: Driving trapezoidal back-EMF BLDC motors in cordless power tools using six-step commutation. IC Role / Device Role / Timing Role: Gate driver providing synchronized high/low-side switching with programmable dead time to prevent shoot-through during phase transitions. Use Value: Enables efficient 24–48V battery-powered operation with 1.25A turn-off current ensuring fast MOSFET discharge and minimal switching loss at 20–50kHz. | Use Scenario: Variable-frequency drive for industrial fans and pumps using sinusoidal PWM modulation. IC Role / Device Role / Timing Role: 3-phase bridge driver delivering precise gate timing with <20ns propagation delay matching and adjustable dead time for low THD output. Use Value: Supports smooth torque delivery and reduced acoustic noise due to fast 20ns/10ns rise/fall times into 1000pF gate loads. |
| Switched Reluctance Motor (SRM) Controllers | Battery-Powered Electric Vehicles (e.g., Scooters) |
Use Scenario: High-efficiency SRM control where shoot-through protection must be overridden for specific torque phases. IC Role / Device Role / Timing Role: Driver with RDEL pin grounding option to disable internal dead time, allowing simultaneous high/low-side activation required for SRM phase winding energization. Use Value: Unique override capability enables direct implementation of SRM commutation without external logic, reducing BOM count and layout complexity. | Use Scenario: Traction inverter for light electric vehicles with regenerative braking and dynamic load transients. IC Role / Device Role / Timing Role: High-voltage gate driver managing 80V-rated high-side switches and handling negative transients on xHS pins during rapid turn-off. Use Value: Integrated bootstrap refresh and charge pump maintain gate bias during extended conduction periods, ensuring reliability during hill-climb or acceleration events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 3-phase N-MOSFET gate driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HIP4086AABZ | Charge pump permanently disabled; lower quiescent current (2.3mA vs 2.7mA at 25°C); no 10MHz charge pump EMI. | Suitable for ultra-low-noise EMI environments where 100% duty cycle is not required. | Select HIP4086AABZ only if EMI sensitivity outweighs need for indefinite high-side on-time. |
| IRS2330MTRPBF | Higher voltage rating (600V), integrated bootstrap diodes, no charge pump, fixed 0.6µs dead time. | Targeted at higher-bus industrial inverters; lacks programmable dead time and refresh pulse. | Choose IRS2330MTRPBF for >100V systems where integration and simplicity supersede flexibility. |
Compared with HIP4086AABZ and IRS2330MTRPBF, HIP4086ABZ uniquely combines programmable dead time, startup bootstrap refresh, and an active charge pump - making it optimal for 24–48V BLDC and SRM applications requiring both robustness and configurability.
Availability
HIP4086ABZ is available at Aetrix Electronics and suitable for brushless DC motor drives, battery-powered power tools, and 3-phase AC induction motor controllers requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for HIP4086ABZ 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 (now part of Renesas Electronics) is a semiconductor company specializing in high-performance analog and power management ICs for industrial, automotive, and computing markets.
The HIP4086 family was designed specifically for rugged, high-efficiency 3-phase motor drive inverters - emphasizing shoot-through immunity, wide bus voltage tolerance, and flexible control for BLDC, ACIM, and SRM topologies.
FAQ
What is the function of the RDEL pin on the HIP4086ABZ?
The RDEL pin on the HIP4086ABZ sets the dead time between high-side and low-side driver turn-on via an external resistor to VDD. With RDEL voltage >100mV, it enables hardware-based shoot-through protection; grounding RDEL disables this protection for applications like switched reluctance motors. The resistor value (10kΩ–100kΩ) directly determines dead time from 0.5µs to 4.5µs.
Does the HIP4086ABZ include a charge pump, and how does it differ from the HIP4086A series?
Yes, the HIP4086ABZ includes an enabled internal charge pump that sustains high-side bias voltage during indefinite on-times, unlike the HIP4086AABZ where the charge pump is permanently disabled. This allows HIP4086ABZ to support true 100% duty cycle operation without external bias circuitry - critical for certain motor control waveforms.
How does the bootstrap refresh pulse work in the HIP4086ABZ?
The HIP4086ABZ activates a bootstrap refresh pulse automatically when VDD rises above the undervoltage threshold or when DIS is deasserted. During this pulse (typically 1.5µs, extendable via RFSH capacitor), all three low-side outputs (ALO/BLO/CLO) turn on while high-side outputs (AHO/BHO/CHO) remain off - charging the high-side boot capacitors through external diodes before normal commutation begins.
What is the maximum allowable voltage on the xHS pins of the HIP4086ABZ?
The HIP4086ABZ specifies a maximum operating voltage of 80V on the xHS pins (AHS/BHS/CHS), with transient capability up to 85V. During high-side FET turn-off, negative transients down to -6V are permitted; proper PCB layout and optional clamping diodes are recommended to limit these transients and protect the driver's internal level shifters.
Can the HIP4086ABZ drive MOSFETs with gate charges exceeding 1000pF?
Yes, the HIP4086ABZ can drive MOSFETs with gate charges beyond 1000pF, though rise/fall times will increase proportionally. Its 1.25A peak turn-off current and 0.5A typical turn-on current provide strong gate drive capability; for larger gate charges, external gate resistors may be added to control dV/dt and EMI, while maintaining safe shoot-through margins via the RDEL-programmed dead time.
HIP4086ABZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 24-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Output Configuration:
- Half Bridge
- Applications:
- DC Motors, General Purpose
- Interface:
- Logic, PWM
- Load Type:
- Capacitive and Resistive
- Technology:
- N-Channel MOSFET
- Rds On (Typ):
- -
- Current - Output / Channel:
- -
- Current - Peak Output:
- 500mA
- Voltage - Supply:
- 7V ~ 15V
- Voltage - Load:
- 7V ~ 15V
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Features:
- Bootstrap Circuit
- Fault Protection:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-SOIC
HIP4086ABZ FAQ
1.How can I place an order for HIP4086ABZ through Aetrix?
Please submit a Request for Quotation (RFQ) for HIP4086ABZ 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 HIP4086ABZ reliable?
The price and inventory of HIP4086ABZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HIP4086ABZ is usually 5 days.
3.What payment methods are accepted for HIP4086ABZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HIP4086ABZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HIP4086ABZ?
HIP4086ABZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HIP4086ABZ 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 HIP4086ABZ?
For technical support, including HIP4086ABZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HIP4086ABZ requirements.
6.How does Aetrix verify that HIP4086ABZ is sourced from the original manufacturer or authorized distributors?
All HIP4086ABZ 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 HIP4086ABZ meets industry standards.
7.What is the process for return or replacement of HIP4086ABZ?
All HIP4086ABZ units undergo pre-shipment inspection (PSI). If there is an issue with HIP4086ABZ, 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 HIP4086ABZ part is unused and in its original packaging.
Return procedure for HIP4086ABZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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