MAX17201X+T0E

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The MAX17201X+T0E series IC is an ultra-compact battery management system (BMS) from Maxim Integrated. It is an ideal solution for portable, power-sensitive applications such as cell phones, portable media players, and wearable devices with Li-ion batteries. This IC combines a high-accuracy gas gauge, Li-ion battery charger, power path circuitry, and Safe Battery Monitor (SBM) function into a tiny package.

The MAX17201X+T0E integrates several high-performance features to protect Li-ion battery cells. It provides programmable overvoltage, charge current, charge voltage, and overcharge conditions, allowing an advanced level of precision control and protection. Additionally, it has an overtime protection circuit that protects against overcharging a cell.

The MAX17201X+T0E also features an embedded system-level chip protection circuit to protect against cells and system degradation. Its ultra-low standby current is ideal for battery-powered applications. It is designed to operate in a temperature range of -20°C to 85°C and is certified for the Automotive Quality (AEC-Q100) standard.

The MAX17201X+T0E offers a high-accuracy gas gauge for precise measurement of cell voltage, cell temperature, current and time-remaining to empty (TRE). The gas gauge continuously measures changes in cell voltage, current and temperature, and automatically adjusts its gas gauge output. It supports multiple charging configurations, including trickle, fast charge, and charge timeout options.

The integrated power path circuitry of the MAX17201X+T0E helps to optimize the charge process. This circuitry works by automatically sourcing power from the system’s primary power source when the battery voltage is too low to support system operation. It simultaneously charges the Li-ion battery pack even if the system is operating.

The MAX17201X+T0E is also equipped with a Safe Battery Monitor (SBM) feature. This feature protects the Li-ion battery from various abuses. It continuously monitors the cell voltage, current, and temperature, and automatically shuts down charging if it senses any of these conditions exceeding a safe level. This feature effectively detects and protects the battery from terminal overvoltage and overcharge conditions.

In conclusion, the MAX17201X+T0E IC provides a number of features to protect Li-ion battery cells. Its integrated gas gauge, power path circuitry, and Safe Battery Monitor make it an ideal solution for power-sensitive applications. This IC is designed to operate over a wide range of temperatures, making it suitable for use in automotive, industrial, and consumer applications.

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