NCP81151BMNTBG

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PMIC - Gate Drivers are power electronic devices designed to associate an external control signal with a controlled power device. It is particularly used for power converters, power supplies and motor control applications. The NCP81151BMNTBG is one such type of device, used for high side switch applications. This type of device enables high-side gate drivers to be used in applications with limited height or space. It can be used as a general purpose High Side Switch, with various application fields.

NCP81151BMNTBG is specifically designed to meet the demands of various automotive applications that use low to mid power (<25W) designs. It is well suited for use in current mode or voltage mode – Step-Up/Down converters. It offers high peak currents, which reduce software latency, and can drive heavy loads efficiently. This type of device complies with the AEC-Q100 standard for automotive grade components and is rated for an ambient temperature range of -40°C to 125°C.

The NCP81151BMNTBG is a dual-channel high side driver. It has a maximum current sourcing capability of 20A and can source and sink up to 10A per channel. It is equipped with six independent channels, which can each be independently controlled by the same input voltage. It also includes a power-on delay timer and a 7.5V fixed reference. The output voltage is limited to the reference voltage and can provide over temperature protection.

When used in conjunction with a microcontroller, the NCP81151BMNTBG can provide robust, low-power control features. It facilitates the design of high-side switches which can control both digital and analog signals, thus allowing for more graceful control of a system\'s digital and analog signals. It also features an integrated gate drive isolation and an integrated current sense path. The device also features an on-chip Programmable Gain selector and a watchdog timer for added protection against Faults.

When used in a current mode application, the NCP81151BMNTBG enables the use of lower percent duty cycle waveforms, which result in reduced overall power consumption. It also has an integrated current sense function, which enables the design of current-mode control loop. The output logic levels are compatible with a wide range of popular microcontrollers and digital logic families, such as TTL, LATCH, and HS2112.

The NCP81151BMNTBG is suitable for a wide range of industrial, automotive and high power applications, including engine control, powertrain control, starter systems, and lighting. The device is also useful for controlling multiple monitored two-wire systems, such as LED and decoration lighting, in home automation and building control applications.

In conclusion, the NCP81151BMNTBG is a versatile high side switch that can be used in a wide range of applications thanks to its high peak current sourcing capability, low power consumption, and robust control features. It enables the design of efficient and reliable systems in many markets such as automotive, industrial, and home automation. Its small size and cost-effectiveness make it an attractive option for system designers looking for a powerful, low-cost solution.

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