DescriptionSeeed Studio SuperCAP UPS LTC3350 Module for reComputer R Series is a compact supercapacitor UPS module for short-term backup power and controlled shutdown. Based on the LTC3350 high current supercapacitor backup controller and system monitor, it helps protect reComputer R systems from abrupt power loss.The SuperCAP UPS LTC3350 Module is designed for reComputer R10 / R11 and reComputer Industrial R20 / R21 / R22 systems. With 4 x 7F / 2.7V supercapacitors connected in series, the module can give the host a short hold-up window so a shutdown script can run and data corruption risk can be reduced.For matching host systems, check compatibility with reComputer Industrial R2045-12, reComputer Industrial R2235-12.Features LTC3350 controller for supercapacitor backup control, charging, and system monitoring. 4 x 7F / 2.7V supercapacitors connected in series for short-term backup energy. Compatible with reComputer R Series, including R10, R11, Industrial R20, R21, and R22 platforms. Safe shutdown support through an alarm signal to the CPU when input power is lost. Synchronous step-down CC/CV charging for efficient supercapacitor charging. PF0 alarm signal is Active LOW according to the official specification. Useful for industrial edge systems, IoT gateways, storage-adjacent embedded systems, and remote installations. Specifications SKU Seeed-110992004 Official SKU 110992004 Product Name SuperCAP UPS LTC3350 Module for reComputer R Series Product Type Supercapacitor UPS / power management module Controller LTC3350 high current supercapacitor backup controller and system monitor Supercapacitors 4 x 7F / 2.7V supercapacitors in series Charging Method Synchronous step-down CC/CV charging Compatibility reComputer R10 / R11 and reComputer Industrial R20 / R21 / R22 series PF0 Alarm Signal Active LOW Reference Backup Duration About 37s idle and 18s full CPU load in Seeed CM4 test setup Product Weight 220g, based on existing global listing data Applications reComputer R safe shutdown: controlled shutdown support during short input power interruptions. Industrial edge AI: protection for edge systems running in unstable power environments. IoT gateways: cleaner shutdown handling for network and gateway workloads. Mass storage and embedded systems: reduced risk of data loss and file-system errors. Remote field deployments: robust short-term hold-up power for unattended installations. Product ListSuperCAP UPS LTC3350 Module x 1Other ContentThe module sits between the DC 5V supply and CM4-related components. During power loss, a GPIO signal alerts the CPU so an urgent script and shutdown command can run before the stored supercapacitor energy is depleted.The hardware overview shows the supercapacitor bank, LTC3350 controller area, connectors, and signal points that matter when integrating the module into a reComputer R system.The official runtime examples show why this module is a short-term hold-up UPS: it creates a shutdown window for a safe script, but it is not a long-duration battery UPS.The dimensions and package images help confirm mechanical fit and included parts before installation.Resources Official product PDF Schematic PDF LTC3350 datasheet FAQWhat systems is the SuperCAP UPS LTC3350 Module designed for?It is intended for reComputer R10 / R11 and reComputer Industrial R20 / R21 / R22 platforms.How long can the module keep a system running?Seeed lists about 37 seconds at idle and about 18 seconds at full CPU load in a CM4 test setup. Real duration depends on system load and shutdown strategy.Is this a long-duration UPS?No. It is a short-term supercapacitor UPS for controlled shutdown, not a long-duration battery UPS.What supercapacitors are used?The module uses 4 x 7F / 2.7V supercapacitors connected in series.Why is the LTC3350 important?The LTC3350 provides backup control, charging, and system monitoring functions for the supercapacitor solution.
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