MAX8922LETB+T

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MAX8922LETB+T is an integrated Li-Ion/Li-Ion polymer charge pump battery charger. It has been designed to offer high system performance and low power consumption for personal digital assistant (PDA) and mobile phone applications.

The MAX8922LETB+T integrated battery charger is an ideal solution for portable applications that require low power consumption and either Li-Ion or Li-Ion polymer battery charging. The device features an operating temperature range of -40ºC to +85ºC and offers a wide input source voltage rage of 4.9V to 5.3V. It can support input currents up to 1.45A and an internal charge current of 700mA.

The MAX8922LETB+T integrates several protection features that are designed to protect both the charge pump IC and the Li-Ion/Li-Ion polymer battery. These protection features include a battery over-voltage protection, over-voltage protection (OVP) for the input source, reverse current protection, thermal shutdown, and battery over-temperature protection.

The MAX8922LETB+T also incorporates a high-efficiency, linear charge pump for charging Li-Ion/Li-Ion polymer rechargeable cells. The device is capable of delivering a regulated output voltage of 4.2V and is highly efficient, drawing minimal power from the system. The IC also includes a range of control and status registers that can be used to monitor the battery voltage, charging current and other parameters.

In addition, the MAX8922LETB+T provides integrated fast-charge mode with a fixed 2-hour Fast-Charge timer that allows the battery to charge faster than normal when the charger is activated. The device also offers programmable voltage, current, and end-of-charge timers to accommodate various battery types.

Applications and uses of MAX8922LETB+T battery charger include cell phones, PDAs, digital cameras, portable music players, and other portable electronic devices. It is a highly efficient, reliable, and simple-to-use solution for high-performance Li-Ion/Li-Ion polymer battery charging.

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