MAX9929 (2)
MAX9929 is available from Analog Devices at Xecor. Designed for monitoring battery charge and discharge currents, the MAX9929 offers a wide -0.1V to +28V common-mode range, low 20µA quiescent supply current, and a gain accuracy better than 1%. Available in ultra-small 6-UCSP packages, it is ideal for applications such as notebook computers, smart-cell phones, and portable/battery-powered systems. Whether used in precision current sources or smart-battery packs/chargers, this series ensures high performance and efficiency for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the MAX9929 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| MAX9929FABT+ | SP Amp Current Sense Amp Single 5.5V 6-Pin UCSP T/R | UCSP-6 | 2,416 | |
| MAX9929FABT+T | Ultra-compact surface-mount package with improved thermal management | UCSP-6 | 6,930 |
Key Featrues
Wide -0.1V to +28V Common-Mode Range - This feature allows the current-sense amplifier to operate across a broad range of input voltages, making it versatile for various applications, including battery monitoring in portable devices. The independence from supply voltage ensures accurate current measurements even when the measurement rail is shorted to ground, enhancing reliability and performance.
Low 20µA Quiescent Supply Current - The low power consumption of the amplifier makes it ideal for battery-powered systems, such as notebooks and cell phones, where energy efficiency is critical. This feature helps extend battery life and reduces overall system power consumption.
High Gain Accuracy (Better than 1%) - The precise gain accuracy ensures reliable and accurate current sensing, which is essential for applications like smart battery packs and precision current sources. This feature improves system performance and ensures consistent results.
SIGN Output Indicates Current Polarity - The SIGN output provides an easy way to determine the direction of current flow, which is particularly useful in bidirectional current monitoring applications. This feature simplifies system design and enhances usability in complex circuits.
Compact 6-UCSP Package - The ultra-small package (1mm x 1.5mm) allows for space-efficient designs, making it suitable for compact and portable devices. This feature enables integration into systems with limited board space, improving design flexibility.
Low 20µA Quiescent Supply Current - The low power consumption of the amplifier makes it ideal for battery-powered systems, such as notebooks and cell phones, where energy efficiency is critical. This feature helps extend battery life and reduces overall system power consumption.
High Gain Accuracy (Better than 1%) - The precise gain accuracy ensures reliable and accurate current sensing, which is essential for applications like smart battery packs and precision current sources. This feature improves system performance and ensures consistent results.
SIGN Output Indicates Current Polarity - The SIGN output provides an easy way to determine the direction of current flow, which is particularly useful in bidirectional current monitoring applications. This feature simplifies system design and enhances usability in complex circuits.
Compact 6-UCSP Package - The ultra-small package (1mm x 1.5mm) allows for space-efficient designs, making it suitable for compact and portable devices. This feature enables integration into systems with limited board space, improving design flexibility.
Applications
Battery Current Monitoring: The MAX9928F/MAX9929F is ideal for monitoring charge and discharge currents in battery-powered systems, such as notebooks and smart-cell phones. Its wide -0.1V to +28V input common-mode voltage range and low 20µA supply current ensure accurate current measurements, even when the measurement rail is shorted to ground, making it suitable for portable and battery-powered applications.
Super Capacitor Charge/Discharge Monitoring: The MAX9928F/MAX9929F is perfect for monitoring charge and discharge currents in super capacitor systems. Its high-side current-sense capability and gain accuracy better than 1% ensure precise current measurements, making it ideal for energy storage and power management applications.
Precision Current Sources: The MAX9928F/MAX9929F is well-suited for precision current source applications. With its 0.4mV (max) input offset voltage and gain accuracy better than 1%, it provides highly accurate current measurements, ensuring reliable performance in precision instrumentation and control systems.
Smart-Battery Packs/Chargers: The MAX9928F/MAX9929F is ideal for use in smart-battery packs and chargers. Its wide common-mode range and low quiescent supply current make it suitable for accurately monitoring battery currents, ensuring efficient and safe charging and discharging processes in portable and battery-powered devices.
Super Capacitor Charge/Discharge Monitoring: The MAX9928F/MAX9929F is perfect for monitoring charge and discharge currents in super capacitor systems. Its high-side current-sense capability and gain accuracy better than 1% ensure precise current measurements, making it ideal for energy storage and power management applications.
Precision Current Sources: The MAX9928F/MAX9929F is well-suited for precision current source applications. With its 0.4mV (max) input offset voltage and gain accuracy better than 1%, it provides highly accurate current measurements, ensuring reliable performance in precision instrumentation and control systems.
Smart-Battery Packs/Chargers: The MAX9928F/MAX9929F is ideal for use in smart-battery packs and chargers. Its wide common-mode range and low quiescent supply current make it suitable for accurately monitoring battery currents, ensuring efficient and safe charging and discharging processes in portable and battery-powered devices.
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