ADI LT8604 Signal Chain Evaluation Board SCP-LT8604C-IEVALZ High Efficiency Synchronous Inverting Buck
Shenzhen Mingjiada Electronics Co., Ltd., as a specialised supplier deeply rooted in the electronic components market, provides customers with the ADI LT8604 Signal Chain Evaluation Board SCP-LT8604C-IEVALZ High-Efficiency Synchronous Inverting Buck.
The SCP-LT8604C-IEVALZ high-efficiency synchronous buck-boost evaluation board delivers a power conversion solution capable of transforming positive voltages into negative outputs.
At the core of this evaluation board lies the LT8604C regulator, employing a flyback buck topology specifically optimised for signal chain systems. It enables stable conversion between positive and negative DC voltages, delivering clean, reliable negative power supplies for precision analogue components such as operational amplifiers, ADCs, and sensors.
In modern electronic systems, negative voltage rails are critical for ensuring the linear operating region of analogue circuits. Whether for dual-supply operation of operational amplifiers or the negative bias voltages required by certain specialised sensors, an efficient and stable negative voltage generation solution is a key element in system design.
【SCP-LT8604C-IEVALZ Technical Specifications Analysis】
The technical parameters of the SCP-LT8604C-IEVALZ evaluation board demonstrate its exceptional capability for complex applications. Supporting a wide input voltage range from 3.2V to 42V, the board is compatible with diverse input sources ranging from single-cell lithium batteries to industrial power supplies and automotive batteries.
Regarding output characteristics, the SCP-LT8604C-IEVALZ evaluation board allows output voltage adjustment via resistor programming within the range of -0.8V to -34V, with a default output of -5V commonly used by engineers. The onboard LT8604C chip delivers a maximum output current of 120mA, sufficient to meet the power requirements of most precision signal chain systems.
Adjustable switching frequency represents another key feature of the SCP-LT8604C-IEVALZ evaluation board. Operating at a default switching frequency of 2.0MHz, it can be adjusted within the range of 200kHz to 2.2MHz. Higher switching frequencies enable the use of smaller inductors and capacitors in power supply designs, proving particularly advantageous for space-constrained portable devices.
【SCP-LT8604C-IEVALZ Platform Power: How the SCP Ecosystem Enables Rapid Development】
The strength of the SCP-LT8604C-IEVALZ lies not only in its circuitry but also in its seamless integration into ADI's Signal Chain Power (SCP) hardware evaluation platform. This platform's design philosophy centres on ‘modular assembly’ and ‘rapid evaluation’.
Plug-and-play modular design: All SCP series boards, including this SCP-LT8604C-IEVALZ inverting buck board, feature a unified board size and standard connector definitions. Engineers can assemble input boards, multiple power conversion boards with different topologies (boost, buck, inverting, etc.), post-filter boards (LDOs for further noise reduction), and output boards like building blocks. This enables rapid construction of complex, multi-channel power trees required for entire systems.
Complementary intelligent software tool: SCP Configurator: For signal chain engineers unfamiliar with power supply design, ADI provides the SCP Configurator software. Users simply input the system's input voltage, required voltage/current values for each power rail, and noise requirements (e.g., whether powering sensitive analogue circuits) into the graphical interface. The software then automatically recommends the optimal power architecture and specific SCP evaluation board combinations. For instance, when a system requires a clean -5V/50mA supply, the software is likely to recommend the SCP-LT8604C-IEVALZ as the front-end switching regulator, cascaded with an ultra-low-noise LDO board such as the SCP-LT3045-1-EVALZ to achieve the optimum balance between efficiency and noise performance.
Comprehensive auxiliary accessories: The platform also offers a range of accessories including splitter boards, consolidation boards, filter boards, and pass-through boards. For instance, employing a 5×1 consolidation board enables the integration of multiple dispersed power rails into a unified output interface, facilitating power delivery and testing for the final device under test (DUT).
【SCP-LT8604C-IEVALZ Application Scenario: Empowering High-Precision Industrial and Measurement Systems】
Leveraging its high efficiency, wide input voltage range, and negative voltage generation capability, the SCP-LT8604C-IEVALZ evaluation board holds broad application prospects across the following domains:
Industrial Automation and Sensor Systems: Provides efficient, stable positive and negative power supplies for signal conditioning circuits (typically incorporating operational amplifiers) in 4-20mA current loop transmitters and pressure/temperature/flow sensors.
Precision Test and Measurement Equipment: Delivers low-noise bipolar power supplies for high-precision ADCs and PGIA (programmable gain instrumentation amplifiers) in digital multimeters (DMMs), oscilloscope front ends, and precision data acquisition systems, ensuring measurement accuracy.
Automotive electronics: Leveraging its wide input voltage range and AEC-Q100 compliance, it powers analogue processing units within in-vehicle camera modules and sensor interface modules.
Battery-powered portable devices: Its ultra-low quiescent current makes it an ideal choice for portable medical equipment, environmental monitors, and other products requiring extended battery life.
Mingjiada Electronics maintains long-term supply of other ADI evaluation board components, including but not limited to the following models:
EVAL-AD4131-8WARDZ
EVAL-AD3530RARDZ
EVAL-CN0561-ARDZ
EVAL-AD4050-ARDZ
EVAL-AD3552RFMCZ
EVAL-AD7192ASDZ
EVAL-AD5766ARDZ
EV-AD74416H-ARDZ
EVAL-AD4062-ARDZ
EVAL-AD4080ARDZ
EVAL-AD4080-FMCZ
EVAL-AD4052-ARDZ
EV-ADAQ7767-1FMC1Z
EVAL-AD5693RARDZ
EVAL-AD4116ASDZ
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