BD9483FV-GE2 Integrated Circuits (ICs) |
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Allicdata Part #: | BD9483FV-GE2TR-ND |
Manufacturer Part#: |
BD9483FV-GE2 |
Price: | $ 0.85 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ROHM Semiconductor |
Short Description: | IC WHITE LED DRIVER 24SSOP |
More Detail: | LED Driver IC 2 Output DC DC Controller Step-Up (B... |
DataSheet: | BD9483FV-GE2 Datasheet/PDF |
Quantity: | 1000 |
2000 +: | $ 0.77175 |
Voltage - Output: | -- |
Supplier Device Package: | 24-SOP |
Package / Case: | 24-TSSOP (0.220", 5.60mm Width) |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 85°C (TA) |
Applications: | Backlight |
Dimming: | Analog, PWM |
Frequency: | 150kHz |
Current - Output / Channel: | -- |
Series: | -- |
Voltage - Supply (Max): | 35V |
Voltage - Supply (Min): | 11V |
Number of Outputs: | 2 |
Internal Switch(s): | No |
Topology: | Step-Up (Boost) |
Type: | DC DC Controller |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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The BD9483FV-GE2 is a high-speed integrated switching device for automotive applications. It is a power management integrated circuit (PMIC) designed to efficiently drive LEDs in lighting, signage, and automotive applications. It features temperature monitoring with a very low operating temperature range of -55°C to +165°C. The device has superior heat transfer capabilities providing significant thermal stability and allowing it to drive high-power LEDs for long periods. It is suitable for various applications such as multiplex front lighting, fog lights, daytime running lights, and auxiliary lights.
Application Fields of BD9483FV-GE2
The BD9483FV-GE2 LED driver is designed for automotive LED applications, providing cost efficiency and optimised light output. It is designed with a linear current control that allows the current to be tuned to the LED light output profile, providing a wide range of dimming depths. It is suitable for automotive LED applications requiring high electrical efficiency such as parking lights, low-beam and high-beam lights, fog lights, and cornering lights. It is also suitable for ARGB Liquid Crystal Displays (LCD), providing high performance and wide color gamut.
Working Principle of BD9483FV-GE2
The BD9483FV-GE2 is an integrated high-speed switching device for driving LEDs efficiently in automotive applications. It consists of a PWM generator, a power switch, an on-chip voltage regulator, and temperature monitoring. PWM (pulse width modulation) is used to control the current and brightness of the LEDs. The voltage regulator is used to convert the active voltage to a reference voltage and the temperature monitor ensures the LEDs operate within the temperature range rating.
The device works by turning the power switch on and off to pulse current through the LEDs. A voltage regulator is used to convert the active voltage to a reference voltage. The reference voltage and the current set by the user are combined to regulate the peak current and determine the switching frequency. The device then adjusts the on and off times of the power switch to allow only the desired current through the load, thus controlling the brightness and power of the LEDs.
The device also features a temperature monitoring circuit, which monitors the heat generated by the operation of the LEDs within the rated range and turns the power switch off if the temperature exceeds the pre-set temperature. This helps to protect the device and the LED from over-heating caused by extended operation.
Overall, the BD9483FV-GE2 LED Driver is a versatile, high-speed and efficient device suitable for automotive LED applications, providing cost efficiency and enhanced light output. It is a great choice for LED lighting applications in the automotive industry.
The specific data is subject to PDF, and the above content is for reference
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