MAX25239 (3)
The MAX25239 is available from Analog Devices Inc./Maxim Integrated Inc./Maxim Integrated at Xecor. Designed for automotive 2V to 36V, 6A buck-boost conversion, the MAX25239 offers high integration, low quiescent current, and flexible switching frequency options (2.1MHz, 400kHz, 200kHz). Available in a thermally enhanced 22-PowerWFQFN package, it is ideal for applications such as ADAS ECUs, body electronics, infotainment systems, point-of-load power supplies, and start-stop systems. Whether used in automotive or industrial environments, this series ensures reliable performance, reduced EMI emissions, and robust protection features for demanding applications. Xecor is an authorized distributor for Analog Devices Inc./Maxim Integrated Inc./Maxim Integrated. Please view our extensive selection of the MAX25239 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| MAX25239AFFB/VY+ | Switching Voltage Regulators HV 3.2A buck boost converter in P90 | FC2QFN | 6,411 | |
| MAX25239AFFA/VY+ | Switching Voltage Regulators HV 3.2A buck boost converter in P90 | FC2QFN | 9,671 | |
| MAX25239AFFB/VY+T | Switching Voltage Regulators HV 3.2A buck boost converter in P90 | FC2QFN | 7,879 |
Key Featrues
Wide Input Voltage Range (2V to 36V): This feature ensures reliable operation in various automotive conditions, including cold-crank scenarios, and allows the converter to handle input transients up to 42V, enhancing system robustness and versatility.
High Switching Frequency Options (2.1MHz, 400kHz, 200kHz): The 2.1MHz option minimizes external component size and output ripple, while the lower frequencies improve efficiency, making the converter adaptable to different power consumption and EMI requirements.
Integrated H-Bridge Architecture: By integrating FETs, the design reduces BOM cost and board space, simplifying system integration while maintaining high performance in buck-boost applications.
Low Quiescent Current (95µA in Standby Mode): This feature meets stringent OEM current requirements, enabling energy-efficient operation in standby or low-power modes, which is critical for automotive applications.
Spread-Spectrum Frequency Modulation: Reduces EMI emissions at the switching frequency, ensuring compliance with automotive EMI standards and improving system reliability in noise-sensitive environments.
High Switching Frequency Options (2.1MHz, 400kHz, 200kHz): The 2.1MHz option minimizes external component size and output ripple, while the lower frequencies improve efficiency, making the converter adaptable to different power consumption and EMI requirements.
Integrated H-Bridge Architecture: By integrating FETs, the design reduces BOM cost and board space, simplifying system integration while maintaining high performance in buck-boost applications.
Low Quiescent Current (95µA in Standby Mode): This feature meets stringent OEM current requirements, enabling energy-efficient operation in standby or low-power modes, which is critical for automotive applications.
Spread-Spectrum Frequency Modulation: Reduces EMI emissions at the switching frequency, ensuring compliance with automotive EMI standards and improving system reliability in noise-sensitive environments.
Applications
ADAS ECU Power Management: The MAX25239/MAX25240 are ideal for powering Advanced Driver Assistance Systems (ADAS) ECUs, ensuring stable and efficient voltage regulation in automotive environments. Their wide input voltage range (2V to 36V) and high current capability (up to 6A) make them suitable for handling the dynamic power demands of ADAS systems, even during cold-crank conditions or input transients up to 42V. The integrated protection features, such as overvoltage and thermal shutdown, enhance system reliability in critical safety applications.
Body Electronics Voltage Regulation: These buck-boost converters are well-suited for powering various body electronics systems, such as lighting modules, window controls, and seat adjusters. Their ability to operate with input voltages above, below, or equal to the output voltage ensures consistent performance across varying battery conditions. The low quiescent current (95µA in standby mode) meets stringent OEM requirements for energy efficiency, making them ideal for modern automotive body electronics.
Infotainment System Power Supply: The MAX25239/MAX25240 provide a robust power solution for infotainment systems, delivering stable voltage to displays, audio amplifiers, and connectivity modules. Their high switching frequency (2.1MHz) minimizes output ripple and avoids AM band interference, ensuring high-quality audio and video performance. The spread-spectrum frequency modulation further reduces EMI emissions, making them suitable for noise-sensitive infotainment applications.
Start-Stop System Power Management: These converters are perfect for start-stop systems, where rapid voltage fluctuations occur during engine restarts. Their wide input voltage range and fast transient response ensure uninterrupted power delivery to critical systems, such as the engine control unit (ECU) and sensors. The integrated H-bridge architecture and thermal protection features enhance reliability, making them a dependable choice for start-stop applications in modern vehicles.
Body Electronics Voltage Regulation: These buck-boost converters are well-suited for powering various body electronics systems, such as lighting modules, window controls, and seat adjusters. Their ability to operate with input voltages above, below, or equal to the output voltage ensures consistent performance across varying battery conditions. The low quiescent current (95µA in standby mode) meets stringent OEM requirements for energy efficiency, making them ideal for modern automotive body electronics.
Infotainment System Power Supply: The MAX25239/MAX25240 provide a robust power solution for infotainment systems, delivering stable voltage to displays, audio amplifiers, and connectivity modules. Their high switching frequency (2.1MHz) minimizes output ripple and avoids AM band interference, ensuring high-quality audio and video performance. The spread-spectrum frequency modulation further reduces EMI emissions, making them suitable for noise-sensitive infotainment applications.
Start-Stop System Power Management: These converters are perfect for start-stop systems, where rapid voltage fluctuations occur during engine restarts. Their wide input voltage range and fast transient response ensure uninterrupted power delivery to critical systems, such as the engine control unit (ECU) and sensors. The integrated H-bridge architecture and thermal protection features enhance reliability, making them a dependable choice for start-stop applications in modern vehicles.
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