MAX1908ETI+

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PMIC, also known as a power management integrated circuit, is a set of devices that are used to manage power and convert the power supply from a variety of sources into usable electricity for the application. The most commonly used PMICs in the market today are battery chargers. While most PMICs perform similar functions, the MAX1908ETI+ battery charger stands out from other devices in the market. This device offers a robust power conversion system to maximize battery life, with enhanced protection from undervoltage, overvoltage and other transients.

The MAX1908ETI+ is a simple and reliable Li-Ion/Li-Polymer battery charger for a single cell application. It integrates a high-voltage buck converter with a low- dropout linear regulator that provides up to 1A charge current. The device features a laser-trimmed precision voltage reference and a small, low-noise, PWM-controlled switch. The device is available in a small, surface-mounted 8-pin (SOIC-8) package.

The MAX1908ETI+ device offers a wide input voltage range of 3.3V to 60V and a low dropout voltage of only 0.5V. The internal protection circuit provides over-voltage protection to the battery and adjustable output voltage range of 2.8V to 4V for battery charging. The device is available with a choice of digital or analog high-side current sense and loop compensation configuration.

The MAX1908ETI+ device operates over a wide temperature range, making it an ideal option for portable applications. The device also employs a digital Power-On-Reset (POR) circuit to reset the device if an over voltage, under voltage, or over temperature condition is detected. The POR circuit automatically latches the device in a low-power shutdown mode to prevent the battery from overcharging in extreme conditions. Additionally, the device features a thermal shutdown protection feature to ensure safe operation.

The MAX1908ETI+ is designed to provide the performance and features needed to meet most portable application requirements. The device offers a wide input voltage range and a low dropout voltage, making it suitable for applications requiring a high input voltage variance. It also features an adjustable output voltage range and a wide temperature range, making it an ideal option for battery charging applications. Additionally, the integrated protection features provide enhanced protection against undervoltage, overvoltage and other transients. Overall, the MAX1908ETI+ ensures the highest level of safety and performance for a wide variety of battery charging applications.

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