LTC4151IMS#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Applications:	Power Supply Monitor
Voltage - Input:	7 V ~ 80 V
Voltage - Supply:	7 V ~ 80 V
Current - Supply:	1.2mA
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	10-MSOP
Base Part Number:	LTC4151

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IntroductionThe LTC4151IMS#PBF is a power monitoring and control integrated circuit (IC) from Linear Technology Corporation. This device offers a complete solution for power management in any application. It combines an advanced high voltage precision voltage/current monitoring and control with a low power consumption, wide input voltage range and integration of a low RDS(on) MOSFET switch. The LTC4151IMS#PBF is a great solution for a wide range of applications such as automotive, industrial, medical and consumer applications.Application FieldThe LTC4151IMS#PBF is widely used in various industries, including automotive, industrial and consumer applications. In automotive applications, the device is used to provide an accurate, reliable and efficient power supply to the engine control unit (ECU), instrument cluster, power circuits, and other electronic control systems. It provides protection against overload, overvoltage and undervoltage conditions. The device is also used in industrial applications such as in sensor, alarm and safety circuits, motor control systems, and industrial controls.It is also used in consumer applications such as cell phone chargers, laptop power supplies and other consumer products.Working PrincipleThe LTC4151IMS#PBF IC is designed to provide a complete solution for precision power management, including voltage/current monitoring and control, as well as protection against overload, overvoltage and undervoltage conditions. It integrates an 8-bit analog-to-digital converter (ADC) for monitoring of up to 28V and 40A. The device accepts a single input voltage of up to 75V, and can be either a buck or boost configuration. It also features a gain-programmable current sense, eliminating the requirement for an external current sense resistor. The device features an integrated low RDS(on) MOSFET switch. The MOSFET has an exceptionally low resistance and low capacitance, providing optimal switching efficiency. The device also has an adjustable pulse width modulator (PWM) with a frequency range of 300kHz to 800kHz. This allows the device to provide a programmable output voltage, which can be either constant voltage, constant current, or variable voltage. The device features a thermal protection circuit, which will automatically shut down the device in case of an over-temperature condition. ConclusionThe LTC4151IMS#PBF is a highly integrated power monitoring and control IC from Linear Technology Corporation. It provides a complete solution for precision voltage/current monitoring and control, as well as overload, overvoltage and undervoltage protection. The device integrates an 8-bit ADC for up to 28V and 40A monitoring, a programmable Gain-side current sense and an integrated low RDS(on) MOSFET switch for optimal switching efficiency. It also features an adjustable PWM and a thermal protection circuit. The device is widely used in automotive, industrial and consumer applications.

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