BP5842A

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Type:	AC DC Offline Switcher
Topology:	--
Internal Switch(s):	--
Number of Outputs:	1
Voltage - Supply (Min):	113V
Voltage - Supply (Max):	170V
Voltage - Output:	2.5 V ~ 4.0 V
Current - Output / Channel:	1A
Frequency:	--
Dimming:	--
Applications:	--
Operating Temperature:	-20°C ~ 80°C (TA)
Mounting Type:	Through Hole
Package / Case:	11-SIP, 7 Leads
Supplier Device Package:	--
Base Part Number:	BP584*

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Introduction

The BP5842A is a power management integrated circuit (PMIC) designed to control LED drivers in a wide range of applications. It is designed to offer a variety of protection functions and is optimized to provide maximum efficiency while meeting the needs of the application. In addition, it has a low quiescent current, low power shutdown, and a wide input supply range. This makes it an ideal solution for controlling LED driver functions in a wide range of embedded systems.

Application Fields

The BP5842A can be used for a variety of applications including automotive, consumer electronics, industrial, and medical systems. In automotive applications, it can be used for controlling brake lights, interior lighting, and exterior lighting. In consumer applications, it can be used for controlling low power LED lighting in handheld devices. In industrial systems, it can be used to control warehouse or plant lighting. In medical systems, it can be used to control medical device lighting.

Working Principle

The BP5842A operates using a basic PWM (Pulse Width Modulation) scheme. In this scheme, the duty cycle of the pulse is varied by a user-defined input voltage to produce a desired current level. The output current is then sensed by the device’s current sensing circuitry and regulated based on the sensed level. The device also incorporates an adjustable protection circuit that monitors the output of the driver and can shut off the load if an over voltage, current, or temperature threshold is exceeded. The device also includes a low quiescent current timer that can be used to turn off the load when not in use to reduce power consumption.

Conclusion

The BP5842A is a powerful PMIC with a wide range of features and functions for controlling LED drivers. It is optimized for maximum efficiency and is designed to offer a variety of protection functions to ensure that the LED driver operates safely and efficiently in a wide range of embedded systems. The low quiescent current, low power shutdown, and wide input supply range make it an ideal solution for applications requiring LED driver control.

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