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Renesas ISL8274MEVAL1Z
- Part No.:
- ISL8274MEVAL1Z
- Manufacturer:
- Renesas
- Package:
- Datasheet:
-
ISL8274MEVAL1Z.pdf
- Description:
- EVAL BOARD FOR ISL8274M
- Quantity:
- Payment:
- Shipping:
Inventory:4,246
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Product details
Overview
ISL8274MEVAL1Z from Renesas Electronics is an evaluation board for the ISL8274M dual-channel 30A-per-channel digital DC/DC power module, supporting input voltages from 4.5V to 14V and adjustable output voltages from 0.6V to 5V. It features PMBus interface, ChargeMode™ control architecture, pin-strap configuration, and integrated transient load test circuitry for real-time telemetry and point-of-load validation.
For engineers reviewing the ISL8274MEVAL1Z datasheet, ISL8274MEVAL1Z pinout, ISL8274MEVAL1Z application, or ISL8274MEVAL1Z equivalent, this board enables rapid evaluation of digital power sequencing, voltage margining, thermal performance at full 30A/channel, and PMBus-based fault management in high-density industrial and embedded power systems.
Technical Context
The ISL8274MEVAL1Z implements a complete reference design for the ISL8274M module - a dual-phase, interleaved synchronous buck converter with integrated digital PWM controller, power switches, inductor, and passives. It supports both pin-strap (resistor-programmed) and PMBus-configurable operation, including independent channel enable/disable, soft-start ramp/delay, ASCR compensation tuning, and real-time monitoring of VIN, VOUT, IOUT, temperature, and switching frequency.
Designed as an 8-layer FR4 board (4.0" × 4.5") with 2oz copper on outer layers and 1oz on inner layers, it includes banana-jack outputs, probe test points (J11, J17, J27, J28), mechanical enable switches, PGOOD LEDs, and a built-in 100A MOSFET transient load circuit using BSC010NE2LSI and 10mΩ sense resistors for dynamic response validation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VIN Range | 4.5V–14V input; supports standard 5V/12V rails and wide industrial supplies. |
| VOUT Range | 0.6V–5V adjustable per channel; factory-default 1.5V with ±7.5% margining capability. |
| Output Current | 30A continuous per channel at room temperature; 35A average overcurrent protection threshold. |
| Switching Frequency | 889kHz default; programmable via RFSET resistor or PMBus FREQUENCY_SWITCH command. |
| PMBus Interface | Standard SMBus 2.0 compliant; address 0x28h; supports telemetry, sequencing, STORE_USER_ALL/RESTORE_FACTORY. |
| Thermal Design | Optimized for 30A/channel without forced cooling; uses 2oz copper, multi-via PGND/SW pads, and thermal vias under U1 (ISL8274MAIRZ). |
| Transient Load Test | Built-in 100A N-MOSFET (BSC010NE2LSI) + 10mΩ sense resistor; gate drive via J33/J34 for sub-2% duty-cycle step loads. |
Availability
ISL8274MEVAL1Z is available at Aetrix Electronics and suitable for industrial power system validation, embedded computing power delivery, and digital POL (point-of-load) development requiring stable component supply, traceable sourcing, and lifecycle continuity.
Supply support for ISL8274MEVAL1Z 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 Corporation is a global semiconductor leader delivering high-performance analog, power, and embedded processing solutions for industrial, automotive, and infrastructure applications.
The ISL8274MEVAL1Z belongs to Renesas' Industrial Analog and Power evaluation platform family, designed specifically to accelerate adoption of digitally controlled, high-current DC/DC modules in space-constrained, thermally demanding applications.
FAQ
What is the primary function of the ISL8274MEVAL1Z evaluation board?
The ISL8274MEVAL1Z evaluation board is a fully assembled, ready-to-use platform for evaluating the ISL8274M dual-channel 30A digital DC/DC power module. It enables engineers to validate performance metrics-including efficiency, transient response, thermal behavior, and PMBus programmability-without designing custom hardware. The board ships with ZLUSBEVAL3Z USB-to-PMBus adapter and supports both pin-strap and software-controlled configuration modes.
Does the ISL8274MEVAL1Z require external cooling to deliver 30A per channel?
No - the ISL8274MEVAL1Z is engineered to deliver 30A per channel continuously at room temperature without heatsinks or forced airflow. Its 8-layer PCB uses 2oz copper on top/bottom layers, optimized thermal vias under the ISL8274MAIRZ module, and low-thermal-resistance layout practices. Derating applies only at elevated ambient temperatures or higher output voltages, per the ISL8274M datasheet derating curves.
Can the ISL8274MEVAL1Z operate without the ZLUSBEVAL3Z adapter?
Yes - the ISL8274MEVAL1Z operates in pin-strap mode by default, using onboard 0603 resistor placeholders (RVSET1/2, RFSET, R4, R6, R14/R15) to configure VOUT, fSW, UVLO, OCP, ASCR, and PMBus address. No ZLUSBEVAL3Z adapter or PC connection is required for basic operation, though PMBus access enables full telemetry, sequencing, and real-time reconfiguration via PowerNavigator™ software.
What transient load testing capability does the ISL8274MEVAL1Z provide?
The ISL8274MEVAL1Z integrates a dedicated transient load test circuit using a BSC010NE2LSI N-channel MOSFET and dual 10mΩ sense resistors (R54/R68). Gate drive pulses injected at J33/J34 generate controlled current steps up to 100A, while load current is monitored at J31/J32. Duty cycle must remain below 2% to prevent MOSFET overheating during testing.
How is output voltage configured on the ISL8274MEVAL1Z?
Output voltage on the ISL8274MEVAL1Z is configured either via pin-strapping (using 1% 0603 resistors at RVSET1/RVSET2 locations per ISL8274M datasheet tables) or dynamically via PMBus VOUT_COMMAND register. Factory default is 1.5V per channel, with VOUT_MAX set to 110% (1.65V). Margining is supported through VOUT_MARGIN_HIGH/LOW registers, enabling ±5% adjustment relative to nominal VOUT.
ISL8274MEVAL1Z Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Main Purpose:
- DC/DC, Step Down
- Outputs and Type:
- 2 Non-Isolated Outputs
- Voltage - Output:
- -
- Current - Output:
- 1.5V
- Voltage - Input:
- 30A, 30A
- Regulator Topology:
- 5V ~ 12V
- Frequency - Switching:
- Buck
- Contents:
- 889kHz
- Utilized IC / Part:
- Board(s), Cable(s)
- Power - Output:
- ISL8274M
ISL8274MEVAL1Z FAQ
1.How can I place an order for ISL8274MEVAL1Z through Aetrix?
Please submit a Request for Quotation (RFQ) for ISL8274MEVAL1Z 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 ISL8274MEVAL1Z reliable?
The price and inventory of ISL8274MEVAL1Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ISL8274MEVAL1Z is usually 5 days.
3.What payment methods are accepted for ISL8274MEVAL1Z?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ISL8274MEVAL1Z transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ISL8274MEVAL1Z?
ISL8274MEVAL1Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ISL8274MEVAL1Z 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 ISL8274MEVAL1Z?
For technical support, including ISL8274MEVAL1Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ISL8274MEVAL1Z requirements.
6.How does Aetrix verify that ISL8274MEVAL1Z is sourced from the original manufacturer or authorized distributors?
All ISL8274MEVAL1Z 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 ISL8274MEVAL1Z meets industry standards.
7.What is the process for return or replacement of ISL8274MEVAL1Z?
All ISL8274MEVAL1Z units undergo pre-shipment inspection (PSI). If there is an issue with ISL8274MEVAL1Z, 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 ISL8274MEVAL1Z part is unused and in its original packaging.
Return procedure for ISL8274MEVAL1Z:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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