NCP81018BMNR2G

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NCP81018BMNR2G (NCP81018 for short) is a key device in the field of Power Management ICs (PMICs). Commonly used in mobile devices and other applications that require efficient power management, NCP81018 devices are specialized power management ICs (PMICs) providing an array of features and advantages essential for devices running on battery, including built-in power diagnostics, multiple battery charging and monitoring options, load sharing, and power sequencing. This article provides an overview of the key features and application fields of the NCP81018 device, as well as its working principle.

Key Features of NCP81018BMNR2G

NCP81018BMNR2G is a single-chip PMIC designed for mobile device applications, including smartphones, tablets, and data cards. It is a three-channel load driver supporting up to 5A per load. The device integrates all the key control, monitoring, and protection features needed for efficient system management in battery-based applications. NCP81018BMNR2G supports two-stage charging with automatic termination, and is highly configurable and flexible, allowing the user to select one of several pre-programmed charging configurations. Furthermore, the device can be also configured to provide user-controlled charging parameter setting. The device also features power diagnostics and power fail-detection with independent control of system power enable and the main power switch.

In addition, NCP81018BMNR2G supports low-power mode and dynamic power management, including load sharing and sequencing. The device provides three sequencing options that enable the system to undergo a soft power-off before the system is completely powered off. Moreover, the device is designed to be adaptable to various system supply sources and extends the operating temperature range from -40°C to 85°C. Furthermore, with an integrated state machine, the device instantly recovers from fault conditions and power-on failures.

Application Fields of NCP81018BMNR2G

NCP81018BMNR2G is suitable for a wide range of products and application fields, including smartphones, tablets, data cards, digital cameras, portable music players, and other portable electronic devices that require efficient power management. Furthermore, due to its flexible as well as highly configurable features, the device can also be used in medical applications, automotive applications, and other specialized applications.

Working Principle of NCP81018BMNR2G

NCP81018BMNR2G utilizes a unique two-stage charging control architecture that combines high-efficiency constant current (CC) charging with charge termination using a programmable termination timer. Once the battery reaches the programmed maximum voltage, the timer will cause the charging circuit to transition into a trickle charge/maintenance charge state where the current is reduced and the battery is held at the maximum voltage. Additionally, the device can be configured to use Automatic Recharge, which allows the battery voltage to drop before the device begins to recharge the battery. This feature is useful for prolonging battery life when frequently used in conjunction with dynamic power management.

The device utilizes a highly configurable and flexible power management architecture that provides the user with a wide range of power management options. These options include voltage tracking, soft start, dual-level power-on reset, and power diagnostics. The device also features an integrated charge state machine that monitors the voltage and temperature of the battery to ensure safe and efficient charging. The device also supports dynamic power management by providing features such as load sharing, power sequencing, and low-power mode. Additionally, the device provides two user-configurable power-on reset levels, allowing the system to safely and reliably start up and shutdown. Additionally, the device can be configured to provide detailed power diagnostics, allowing users to accurately monitor the devices power system at runtime.

Conclusion

NCP81018BMNR2G is a specialized power management IC designed for power-hungry and low-power applications, such as smartphones, tablets, data cards, and other portable electronic devices. It offers a wide range of power management options, that include two-stage charging with automatic termination, dynamic power management, low-power mode, power diagnostics, and more, which are essential for efficient power management in battery-based applications. In addition to its highly configurable and flexible feature set, the device is designed to be adaptable to various system supply sources and extends the operating temperature range from -40°C to 85°C. Additionally, its integrated state machine allows the device to instantly recover from power-on failures. As such, NCP81018BMNR2G is an ideal solution for a variety of applications requiring efficient power management.

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