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STMicroelectronics STEVAL-ISV009V1
- Part No.:
- STEVAL-ISV009V1
- Manufacturer:
- STMicroelectronics
- Package:
- Datasheet:
-
STEVAL-ISV009V1.pdf
- Description:
- EVAL BOARD FOR SPV1020
- Quantity:
- Payment:
- Shipping:
Inventory:3,038
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Product details
Overview
STEVAL-ISV009V1 from STMicroelectronics is a 300 W photovoltaic converter demonstration board built around the SPV1020 monolithic DC-DC boost converter, implementing MPPT with 0.2% duty cycle accuracy, operating across 0–40 V input, and delivering up to 98% efficiency in PWM mode for solar panel power optimization.
For engineers reviewing the STEVAL-ISV009V1 datasheet, STEVAL-ISV009V1 pinout, STEVAL-ISV009V1 application, or STEVAL-ISV009V1 equivalent, key selection considerations include its integrated 4-phase interleaved topology eliminating electrolytic capacitors, SPI interface for configuration, burst-mode transition under low irradiance, and built-in overvoltage/overcurrent/overtemperature protection.
Technical Context
The board implements a fixed-frequency (default 100 kHz, externally tunable) PWM boost converter using the SPV1020 IC, which embeds power MOSFETs for active switching and synchronous rectification. Its "perturb & observe" MPPT algorithm adjusts duty cycle in 0.2% steps from 5% to 90% to maximize PV panel power extraction independent of temperature or irradiance.
Safety-critical protections include automatic driver shutdown on output overvoltage or die overtemperature. The 4-phase interleaved architecture reduces ripple current and eliminates reliance on lifetime-limiting electrolytic capacitors-enabling high-reliability deployment in PV connection boxes as a bypass diode replacement.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Output Power | 300 W - supports residential-scale PV sub-array optimization |
| Input Voltage Range | 0–40 V - accommodates single or series-connected PV modules under partial shading |
| MPPT Accuracy | ±0.2% duty cycle resolution - enables fine-grained tracking of dynamic MPP shifts |
| Peak Efficiency | 98% - minimizes thermal stress and improves system-level energy yield |
| Switching Frequency | 100 kHz (tunable) - balances EMI control, magnetics size, and conduction losses |
| Protection Features | Overvoltage, overcurrent, overtemperature - autonomous shutdown prevents hardware damage during fault conditions |
| Interface | SPI - enables real-time configuration, status readback, and firmware updates |
Availability
STEVAL-ISV009V1 is available at Aetrix Electronics and suitable for photovoltaic micro-inverter development, PV module-level power electronics (MLPE), and solar connection box integration requiring stable component supply and validated reference design support.
Supply support for STEVAL-ISV009V1 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing analog, MCU, power, and sensor solutions for industrial, automotive, and renewable energy applications.
The STEVAL-ISV009V1 belongs to ST's power conversion evaluation platform portfolio, developed specifically to accelerate adoption of module-integrated MPPT architectures in distributed solar generation systems.
FAQ
What is the primary function of the STEVAL-ISV009V1 board?
The STEVAL-ISV009V1 is a fully assembled and tested demonstration board that showcases the SPV1020 IC's capability to perform maximum power point tracking for photovoltaic panels. It functions as a 300 W DC-DC boost converter with integrated MOSFETs, enabling localized MPPT at the module level rather than relying on centralized inverter computation.
Does the board support external frequency adjustment?
Yes-the SPV1020 IC on the board operates at a default switching frequency of 100 kHz, but this frequency is externally tunable via resistor programming. This allows designers to optimize trade-offs between magnetic component size, EMI performance, and conduction versus switching losses for specific PV system configurations.
How does the burst mode improve low-light performance?
Burst mode automatically activates under low solar irradiance to reduce switching losses by gating the PWM signal, thereby maintaining higher conversion efficiency when panel output drops. This extends usable daily energy harvest without requiring manual reconfiguration or additional control circuitry.
Can the board be used without modifying the SPV1020 firmware?
Yes-the board ships with factory-programmed firmware implementing the "perturb & observe" MPPT algorithm. No firmware modification is required for basic operation; all essential parameters (duty cycle range, protection thresholds, frequency tuning) are set via hardware configuration or SPI commands, supporting immediate evaluation and integration.
STEVAL-ISV009V1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Main Purpose:
- Special Purpose, MPPT, Solar
- Outputs and Type:
- 1 Non-Isolated Output
- Voltage - Output:
- -
- Current - Output:
- 36V
- Voltage - Input:
- -
- Regulator Topology:
- -
- Frequency - Switching:
- Boost
- Contents:
- 100kHz
- Utilized IC / Part:
- Board(s)
- Power - Output:
- SPV1020
STEVAL-ISV009V1 FAQ
1.How can I place an order for STEVAL-ISV009V1 through Aetrix?
Please submit a Request for Quotation (RFQ) for STEVAL-ISV009V1 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 STEVAL-ISV009V1 reliable?
The price and inventory of STEVAL-ISV009V1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STEVAL-ISV009V1 is usually 5 days.
3.What payment methods are accepted for STEVAL-ISV009V1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STEVAL-ISV009V1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STEVAL-ISV009V1?
STEVAL-ISV009V1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STEVAL-ISV009V1 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 STEVAL-ISV009V1?
For technical support, including STEVAL-ISV009V1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STEVAL-ISV009V1 requirements.
6.How does Aetrix verify that STEVAL-ISV009V1 is sourced from the original manufacturer or authorized distributors?
All STEVAL-ISV009V1 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 STEVAL-ISV009V1 meets industry standards.
7.What is the process for return or replacement of STEVAL-ISV009V1?
All STEVAL-ISV009V1 units undergo pre-shipment inspection (PSI). If there is an issue with STEVAL-ISV009V1, 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 STEVAL-ISV009V1 part is unused and in its original packaging.
Return procedure for STEVAL-ISV009V1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STEVAL-ISV009V1 Tags
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DFR0571
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