MAX7314 (3)
The MAX7314 is available from Analog Devices at Xecor. Designed for I/O expansion and LED control, the MAX7314 offers 18-port GPIO with LED intensity control, interrupt functionality, and hot-insertion protection. Available in a 24-QSOP package, it is ideal for applications such as keypad backlights, LCD backlights, LED status indication, relay drivers, RGB LED drivers, and system I/O ports. Whether used in consumer electronics, industrial systems, or automotive applications, this series ensures high performance, flexibility, and efficiency for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the MAX7314 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| MAX7314AEG+T | Elevate your I/O experience with the MAX73A14EG-T's 18-port GPIO | QSOP-24 | 7,157 | |
| MAX7314ATG+ | Simplify your circuit design with this comprehensive -port GPIO module providing programmable LED intensity | WFQFN-24 | 5,070 | |
| MAX7314AEG+ | Powerful I/O expansion with adjustable brightness | QSOP-24 | 7,520 |
Key Featrues
400kbps 2-Wire Serial Interface: The MAX7314 features a high-speed 400kbps I²C-compatible serial interface, enabling efficient communication with microprocessors. This ensures fast data transfer and responsiveness, making it suitable for applications requiring quick updates, such as LED intensity control or real-time system monitoring.
8-Bit PWM LED Intensity Control: With global and individual 16-step intensity controls, the MAX7314 allows precise adjustment of LED brightness. This feature enhances energy efficiency and extends LED lifespan by enabling dynamic control of lighting levels in applications like keypad backlights or RGB LED drivers.
Hot Insertion Support: The device supports hot insertion, allowing it to be safely connected or disconnected while the system is powered. This feature improves system reliability and reduces downtime in applications like industrial control systems or modular electronics.
5.5V-Rated Open Drain Outputs: The MAX7314's outputs are rated for up to 5.5V, providing flexibility in driving external components such as LEDs or relays. This ensures compatibility with a wide range of devices and enhances the robustness of the system in diverse operating conditions.
Transition Detection with Interrupt Output: The device includes transition detection capabilities with an interrupt output, enabling immediate notification of input changes. This feature is particularly useful for applications requiring real-time response, such as keypad input monitoring or system status alerts.
8-Bit PWM LED Intensity Control: With global and individual 16-step intensity controls, the MAX7314 allows precise adjustment of LED brightness. This feature enhances energy efficiency and extends LED lifespan by enabling dynamic control of lighting levels in applications like keypad backlights or RGB LED drivers.
Hot Insertion Support: The device supports hot insertion, allowing it to be safely connected or disconnected while the system is powered. This feature improves system reliability and reduces downtime in applications like industrial control systems or modular electronics.
5.5V-Rated Open Drain Outputs: The MAX7314's outputs are rated for up to 5.5V, providing flexibility in driving external components such as LEDs or relays. This ensures compatibility with a wide range of devices and enhances the robustness of the system in diverse operating conditions.
Transition Detection with Interrupt Output: The device includes transition detection capabilities with an interrupt output, enabling immediate notification of input changes. This feature is particularly useful for applications requiring real-time response, such as keypad input monitoring or system status alerts.
Applications
Keypad Backlight Controller: The MAX7314 is ideal for controlling keypad backlights in consumer electronics and industrial control panels. Its 18-port GPIO with PWM LED intensity control ensures precise brightness adjustment, while its hot-insertion protection and interrupt capabilities make it suitable for applications requiring reliable and responsive backlight management.
LCD Backlight Driver: The MAX7314 is well-suited for driving LCD backlights in portable devices and automotive displays. With its 400kbps I²C interface and 16-step intensity control, it provides efficient and flexible backlight dimming, while its 5.5V-rated open-drain outputs ensure compatibility with a wide range of display technologies.
LED Status Indicator: The MAX7314 is perfect for managing LED status indicators in networking equipment and industrial machinery. Its transition detection and interrupt output features enable real-time monitoring of system status, while its 50mA port output current ensures reliable operation even in high-brightness applications.
Relay Driver System: The MAX7314 excels in driving relays in automation and control systems. Its open-drain outputs and 5.5V overvoltage protection make it robust for switching high-current loads, while its I²C interface allows for easy integration into complex control architectures, ensuring precise and reliable relay operation.
LCD Backlight Driver: The MAX7314 is well-suited for driving LCD backlights in portable devices and automotive displays. With its 400kbps I²C interface and 16-step intensity control, it provides efficient and flexible backlight dimming, while its 5.5V-rated open-drain outputs ensure compatibility with a wide range of display technologies.
LED Status Indicator: The MAX7314 is perfect for managing LED status indicators in networking equipment and industrial machinery. Its transition detection and interrupt output features enable real-time monitoring of system status, while its 50mA port output current ensures reliable operation even in high-brightness applications.
Relay Driver System: The MAX7314 excels in driving relays in automation and control systems. Its open-drain outputs and 5.5V overvoltage protection make it robust for switching high-current loads, while its I²C interface allows for easy integration into complex control architectures, ensuring precise and reliable relay operation.
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