TSM1051CD

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The TSM1051CD is a Battery Chargers PMIC (Power Management Integrated Circuit) that provides a cost-effective solution for applications demanding peak efficiency, performance, and extreme charging accuracy.

The TSM1051CD is designed to provide battery charging for two-cell Li-ion (Lithium-ion) battery pack applications. It features internal synchronous rectification, low ESR type Schottky diodes and an adjustable current limit. The voltage at the battery pack can be set directly with the internal charge voltage reference. The TSM1051CD can be easily configured to optimize the charging process, providing maximum charging capacity and Voltage accuracy.

The TSM1051CD uses an adaptive charging algorithm to provide low ripple charging currents, tracking the needs of the load and ensuring optimal charge times while still ensuring safety and providing maximum system efficiency. It features a wide range of configurability such as the capability to preset the charging current, charge voltage and charge temperature limits. The TSM1051CD is also capable of incorporating temperature compensation and other safety features such as reverse bias protection and over-voltage protection.

The TSM1051CD utilizes a synchronous rectification technique for charging the battery to substantially reduce energy losses. It also incorporates an external P-channel FET, allowing the user to select an appropriate low ESR FET for their application. This allows the device to achieve high peak efficiency, typically above 96%, which reduces the bulk charging time considerably.

In order to monitor the charge status, the TSM1051CD also features two independent status pins. These can be programmed to indicate when the battery has been fully charged or when the charge current has dropped below a certain value. The device also has a range of configurability options for optimization such as fast or slow charging options, precondition charging or trickle charge.

The TSM1051CD\'s low voltage operation of 3.0V and very low quiescent current of only 24 μA make it ideal for low power applications, such as mobile phones and tablets, where power is always at a premium. The device is also capable of providing up to 1.5A adjustable charging current, which enables it to fast charge your mobile device quickly.

Overall, the TSM1051CD is an ideal choice for applications that require charging battery packs of two-cell Li-ion batteries. It provides unparalleled charge performance, with high efficiency and fast charging speeds, while also preserving battery health by tracking load needs with an adaptive charging algorithm and incorporating temperature compensation, reverse bias protection, and over-voltage protection.

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