| Allicdata Part #: | AAT2845AIML-EE-T1-ND |
| Manufacturer Part#: |
AAT2845AIML-EE-T1 |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Skyworks Solutions Inc. |
| Short Description: | IC LED BACKLT DVR 4CH 20TQFN |
| More Detail: | LED Driver IC 4 Output DC DC Regulator Switched Ca... |
| DataSheet: |  AAT2845AIML-EE-T1 Datasheet/PDF |
| Quantity: | 1000 |
Specifications
| Voltage - Output: | -- |
| Supplier Device Package: | 20-TQFN (3x4) |
| Package / Case: | 20-WFQFN Exposed Pad |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Applications: | Backlight |
| Dimming: | -- |
| Frequency: | 1MHz |
| Current - Output / Channel: | 20mA |
| Series: | -- |
| Voltage - Supply (Max): | 5.5V |
| Voltage - Supply (Min): | 2.7V |
| Number of Outputs: | 4 |
| Internal Switch(s): | Yes |
| Topology: | Switched Capacitor (Charge Pump) |
| Type: | DC DC Regulator |
| Part Status: | Obsolete |
| Packaging: | Tape & Reel (TR) |
Description
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AAT2845AIML-EE-T1 is a Power Management Integrated Circuit (PMIC) LED driver integrated with advanced low side driver, power MOSFET, operating voltage regulator, sense resistor, and fault detector circuits. This PMIC LED driver is featured with pulse-width modulated (PWM) LED dimming function, which is able to control LED lighting intensity accurately under 0 to 100 duty cycle control. Among PMIC LED drivers, the AAT2845AIML-EE-T1 is operated at 1.5A current rating with a regulated voltage output of 8V for various LED lighting applications. The feature of this PMIC LED driver makes it highly secured and reliable for LED drivers applications.
The AAT2845AIML-EE-T1 is designed with a peak switch current limit of 26V and is implemented with a low-side TFT LED driver that utilizes N-channel MOSFETs. Its pulsed-width modulation (PWM) input is used to control the lighting intensity of the LED driver. It also offers adjustable current regulation range that can be programmed to provide a maximum of 1.5A at the load. The current regulation range potential of this AAT2845AIML-EE-T1 PMIC LED driver is adjustable from 0.2A to 1.5A for different power levels.
The working principle underlying this driver involves the direct connection of one of the LEDs to the ground, while the other LED is connected to an internal voltage regulator, which can be programmed to provide a maximum regulated output voltage at the desired level. The PMIC LED driver is designed such that the LED intensity can be controlled by the adjustment of the regulated output voltage. The PWM input is used to modulate the voltage provided to the LED to achieve the desired lighting effect. The PWM signal is supplied to the internal logic circuit of the driver in order for it to control the voltage regulator.
The working principle of the AAT2845 AIML-EE-T1 is simple and efficient. It utilizes the series current path to pass LED currents through the LEDs, offering a uniformly and smoothly dimming curves of the LEDs under 0 to 100 duty cycle control. The current sense resistor provides the feedback necessary for the current regulation, which will ensure the LED lighting always performs in source. Special features such as low standby current, constant current regulation mode with low-side power MOSFETs, and wide input voltage range make the AAT2845AIML-EE-T1 one of the ideal PMIC LED drivers in the market.
The AAT2845AIML-EE-T1 is suitable for applications that require low standby current and an adjustable current regulation range up to 1.5A. It also provides a highly-efficient and cost-effective solution to achieve uniform lighting performance with smooth dimming control. This driver is suitable for many applications, such as lighting bulbs, LED signs, and street signs. Additionally, this driver is featured with the capability to protect the system from the over-voltage and over-temperature conditions.
The AAT2845AIML-EE-T1 is a reliable and highly secured Power Management Integrated Circuit (PMIC) LED Driver for various LED lighting applications. It features the PWM LED dimming function, adjustable current regulation range, low standby current, and wide input voltage range for various LED lighting applications. With its simple and efficient working principle and its special features, the AAT2845AIML-EE-T1 is an ideal solution for many LED lighting applications.
The specific data is subject to PDF, and the above content is for reference
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