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PMIC - Battery Chargers

The MC32BC3770CSR2 application field and working principles are a type of power management integrated circuit (PMIC) designed specifically for charging and protection of Lithium-Ion and Lithium-Polymer batteries. They are available in several different packages, allowing them to be used in a variety of applications.

Device Features:

• Dual-channel 2A/2A high-efficiency synchronous buck converter
• Programmable constant voltage/constant current mode charging
• The 10-bit A/D converter enables parameter tuning through an I2C interface
• Advanced protection features, such as OCP, OTG, and OVP
• Integrates reverse blocking MosFET for battery application

Working Principle:

The MC32BC3770CSR2 is a two-channel battery charger that can be used to charge two batteries simultaneously. Its programmable constant voltage/constant current mode charging feature allows for the charging of two batteries to the same voltage, but at different current rates.

The device uses a switched-mode power supply (SMPS) to convert a voltage reference into the required charging voltage and current. The input voltage range is 4.35V to 20V, though the device can charge a battery below 4V.

The device also has an I2C interface, which can be used to configure parameters and control the charging process by setting the charging current and voltage, as well as enabling or disabling the charging process. The 10-bit A/D converter also allows for parameter tuning.

In order to ensure the safety of the battery, the device also has advanced protection features, such as over-current protection (OCP), over-temperature protection (OTP), and over-voltage protection (OVP), which prevents damage to the battery from overcharging.

Application Fields:

The MC32BC3770CSR2 is suitable for a wide range of applications, such as tablet computers, mobile phones, portable power banks, wearable devices, consumer electronics, and automotive applications. It can also be used for industrial applications and applications requiring a dual-channel battery charger.

The MC32BC3770CSR2 is an ideal solution for systems requiring a high-efficiency, cost-effective dual-channel battery charger, with advanced protection features and parameter tuning capabilities.

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