TSM1014AIST

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The TSM1014AIST is a PMIC/Charger-on-a-Chip marketed by Texas Instruments. It is a single-channel, adjustable, buck-boost charger designed to meet the mobile and wearable powering requirements. It features a wide input voltage range and a regulated output voltage. The chip is ideal for any system that requires a low voltage power supply, such as smartphones, wearables and tablets. It is also capable of providing an adjustable output current limit and can enable autonomous battery charging.

The TSM1014AIST battery charger provides variable voltage up to 5V, adjustable output current and can be used with a wide input voltage range. It includes popular safety features such as over-temperature protection, over-current protection, under-voltage lockout, thermal shutdown and over-voltage protection. It also prevents deep discharge of the battery and eliminates the need for an external battery protection circuit. The device is designed to meet the requirements of high-reliability, industrial applications and is capable of operation in a wide temperature range of -40°C to +85°C.

The battery charger\'s working principle is based on charge termination circuit. The charger works in three stages - pre-charge, constant current and constant voltage. During the pre-charge stage, the circuit applies a low voltage to the battery. This voltage is gradually increased until the predetermined voltage is reached. During the constant current stage, the charger supplies a constant current to the battery. Lastly, during the constant voltage stage, the charger supplies a constant voltage, usually 4.2V, to the battery. Once the battery is charged to a predetermined amount, the charge termination circuit terminates the charging process.

The TSM1014AIST is an ideal choice for battery charging applications. Its wide input voltage range, adjustable output current limit, small footprint and ability to operate over a wide temperature range make it an attractive device. Its smart charge termination algorithm ensures that the battery is charged correctly and prevents battery damage. The TSM1014AIST is an easy-to-use, high-performance PMIC/Charger-on-a-Chip for portable and wearables applications.

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