Mingjiada Electronics supplies and sources the ADN8834CP-EVALZ evaluation board. This is a fully functional evaluation board designed specifically for evaluating and developing thermoelectric cooler (TEC) control solutions, centered around the ADN8834 ultra-compact 1.5 A TEC controller. This evaluation board enables rapid prototyping of high-precision temperature control systems.
Evaluation Board Specifications
Evaluation Board Model: ADN8834CP-EVALZ
Manufacturer: Analog Devices
Core Evaluation Chip: ADN8834
Primary Function: Thermelectric Cooler (TEC) Controller
Input Voltage Range: 2.7 V to 5.5 V
Output Current Capability: 1.5 A
TEC Voltage Limit: Programmable, e.g., set to 3 V
On-Board Features: Complete PTC controller with integrated 1.5A PTC driver
Features: TEC voltage and current monitoring, independent heating/cooling current limit settings, programmable maximum TEC voltage, 2.5V reference voltage output, etc.
Package/Packaging: Bulk
Core Chip and Board Functionality
The ADN8834CP-EVALZ evaluation board centers on the ADN8834 chip, a highly integrated single-chip TEC controller. The board fully leverages the chip's capabilities:
Efficient Control Architecture: The on-board ADN8834 chip employs two pairs of complementary integrated MOSFETs in an H-bridge configuration to supply and control bidirectional current through the TEC, enabling precise heating or cooling control.
Precision Temperature Sensing and Setting: The evaluation board supports connection of an NTC thermistor for accurate temperature monitoring. The target temperature can be set via either an analog voltage input to the on-board digital-to-analog converter (DAC) or an external resistor divider.
Flexible Configurability: The onboard PID compensation network components can be replaced to match the characteristics of the temperature control loop and thermal load, achieving the desired response time and temperature stability. TEC cooling and heating current limits (typically set to 1.5 A) and maximum TEC voltage (e.g., programmable to 3 V) can also be adjusted by changing the corresponding component values.
Application Scenarios
The ADN8834CP-EVALZ evaluation board is suitable for various scenarios requiring high-precision temperature control, such as:
Optical Modules & Fiber Amplifiers: Providing a stable operating environment for temperature-sensitive lasers and optical components.
Fiber Optic Network Systems & Medical/Industrial Instruments: Ensuring critical components operate at constant temperatures to enhance system accuracy and reliability.
Usage and Debugging
The ADN8834CP-EVALZ evaluation board can be inserted into an ADN8834 base board (e.g., ADN8834MB-EVALZ), which integrates adjustable components for analog thermal PID, temperature setpoint, maximum TEC current, and TEC voltage limiting. This facilitates deeper performance optimization and characteristic testing.
Supply and Procurement Services
Mingjiada Electronics offers the following services for evaluation board supply and procurement:
Stock Inventory Supply: The ADN8834CP-EVALZ evaluation board is readily available from stock with new, original packaging, enabling rapid fulfillment of your requirements.
Professional Buyback Service: Mingjiada Electronics offers long-term, high-value cash buyback services globally for unused evaluation boards and development kits, including the ADN8834CP-EVALZ, helping customers liquidate assets.
Contact Us
Contact: Mr. Chen
Phone: +86 13410018555
Email: sales@hkmjd.com
Website: www.integrated-ic.com
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