MAX16903SATB50/V+T

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The MAX16903SATB50/V+T is a type of smart battery-charger integrated circuit (IC). It is a DC/DC switching regulator, a member of the power management IC (PMIC) family. The chip is used mostly in rechargeable batteries, and is often paired with a charging device.

The regulator is used primarily in automotive powertrain applications, where the fast and high-efficiency DC/DC switching regulator helps the battery charge and discharge with the highest efficiency. Its wide input range of 4V to 40V makes it ideal for a variety of automotive applications and its programmability offers flexible parameters for different battery chemistries.

The MAX16903SATB50/V+T\'s integration of analog and digital circuitry allows for fast and accurate battery charging. Its fast PWM-controlled switching operation allows switching frequencies up to 500 kHz, making it highly efficient over a wide range of load conditions. The chip also incorporates protection circuits to ensure safety and reliability of the charging process.

The chip has an integrated current-sense amplifier, which provides resistance and temperature detection for more sophisticated battery management. The 5-bit GPIO interface and internal registers let the host software customize the charging parameters for different battery configurations. The chip provides three types of charging, temperature compensation, and digital temperature monitoring.

The MAX16903SATB50/V+T has a built-in, automatic NTC thermistor compensation circuit that prevents overcharging and keeps temperate-dependent charging currents within a guaranteed range. It also incorporates internal thermal protection, allowing the system to protect itself against high-temperature conditions without needing an external temperature sensor.

The MAX16903SATB50/V+T also features low-dropout (LDO) voltage and current regulation and an onboard P-MOSFET switch. The onboard P-MOSFET switches can provide short-circuit, overvoltage and overcurrent protection with high frequency operation. In addition, the voltage regulator output voltage is adjustable over a wide range of 1.5V-23V.

The MAX16903SATB50/V+T provides a cost-effective, high-efficiency charging solution suitable for most automotive applications. It is available in the 10-pin VFQFN, EPCQ and TQFN packages. It is also suitable for automotive-grade applications.

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