QS1212CCBD80W 80W UpDown BuckBoost Module Overview The QS1212CCBD80W module is a power updown buckboost power supply designed for LED drivers, touch battery charging, automotive power supply, car charging for leadacid, lithium, and solar batteries, or other power sources. It delivers strong buckboost performance in a compact design. Key benefits Flexible power conversion: adjustable output voltage and current with the ability to increase, decrease, or operate in constant current or constant voltage modes. Broad compatibility: suitable for leadacid, lithium, and solar batteries, as well as general power supply use. Robust protection: adjustable undervoltage protection input, overheat protection, and short circuit protection to safeguard connected devices and batteries. Performance and design Aerodynamic cooling: enhanced cooling reduces thermal limits, enabling higher output power, with up to about 120W achievable when using 28V input plus a fan. efficiency: conversion efficiency up to 90.5% (refer to datasheet efficiency curve for details). Precise control: 3296W brand multiturn potentiometer provides precision with low drift. Advanced regulation: uses an independent reference IC and alloy sampling resistors for stable constant current with small temperature drift. Protection and usability: adjustable undervoltage protection to suit various batteries; suitable for solar cells and other energy sources. Attributes and construction Compact design optimized for versatile power applications. Adjustable output modes include current limit and voltage regulation to match connected loads. Protective features help ensure reliability in automotive, solar, and battery charging scenarios. Use scenarios power LED lighting systems: supply stable, adjustable current and voltage to power LEDs, with protection against overcurrent and undervoltage to extend LED life. Automotive and vehicle power applications: serve as a versatile power source for car electronics, charge leadacid or lithium batteries, and provide a reliable automotive voltage supply. Solar and offgrid systems: power battery charging and load devices from solar arrays, using adjustable undervoltage protection to protect battery health and ensure stable operation. Notes 28V input with fan configuration supports higher output power, achieving up to around 120W under appropriate cooling conditions. For detailed efficiency characteristics and operating curves, refer to the datasheet.