MCP73833T-B6I/UN

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Microchip Technology’s MCP73833T-B6I/UN is an efficient Linear Current Mode Li-Ion and Li-Polymer battery charger IC that offers a complete, cost effective, and reliable charging solution for most types of battery applications. It is also fully compatible with the USB Specifications, Battery Charger Specification, BC 1.2, and other power delivery protocols. The MCP73833T-B6I/UN application makes it an ideal choice for applications like cell phones, PDAs, MP3 players, gaming devices, digital cameras, and other portable devices.

The MCP73833T-B6I/UN Battery Charger is a highly integrated linear charger solution, which provides charge current regulation, charge status monitoring, and current-limit protection features, as well as a thermal regulation feature. This device also features adjustable primary-side current regulation, the charge status monitoring output, and an external control terminal (EN). This device is a step-down charger with a single-cell Li-ion or Li-Polymer battery operating current range of 100 mA to 600 mA (with an adjustable programmable current limit).

The MCP73833T-B6I/UN operates by using a constant voltage (CV) current-limiting principle, ensuring the lithium-ion battery cell remains in a safe operating condition during the charging period. The device has a programmable thermal-regulation feature that automatically adjusts the charge current limit to minimize charge times, reduce the thermal dissipation of the battery, and prevent thermal runaway. Additionally, the device incorporates a maximum current limit setting with a programmable constant voltage setting.

The MCP73833T-B6I/UN has two working modes: float-mode and pulsed-mode. In float mode, an input voltage of approximately 5V to 7V is applied and the controller regulates the charge current that is limited to the programmed maximum current limit. In pulsed-mode, an input voltage of approximately 7V to 28V is applied and the charge current is regulated and limited to the programmed maximum current limit.

The MCP73833T-B6I/UN requires a full 3-wire interface program that includes an input supply voltage, a system ground, and a logic-level control signal for charging enablement or disablement. The device is smaller in size than traditional discrete solutions, making the overall solution smaller, lighter, and much more cost-effective. It also allows a much higher degree of integration, with features such as over-voltage protection, over-temperature protection, under-voltage lock-out, input current limit, and adjustable thermal regulation.

The MCP73833T-B6I/UN is a highly integrated battery charging solution that offers an efficient, cost-effective, and reliable charging option for a wide range of battery applications. Its small form factor and integrated programmable features make it ideal for handheld and portable electronic devices. With its ability to integrate with a wide range of charging protocols, the MCP73833T-B6I/UN is an excellent choice for developers who need an efficient, reliable, and cost-effective battery charging solution.

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