BAG21XUMA2 vs AOZ1978AI#A
| Part Number |
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| Category | PMIC - LED Drivers | PMIC - LED Drivers |
| Manufacturer | Infineon Technologies | Alpha & Omega Semiconductor Inc. |
| Description | IC POWER MANAGEMENT SMD | IC LED DRIVER BOOST 16SOIC |
| Package | Bulk | Tape & Reel (TR) |
| Series | - | - |
| Type | - | DC DC Controller |
| Operating Temperature | - | -40°C ~ 85°C (TA) |
| Mounting Type | - | Surface Mount |
| Package / Case | - | 20-SOIC (0.295\", 7.50mm Width) |
| Supplier Device Package | - | 20-SOIC |
| Topology | - | Step-Up (Boost) |
| Applications | - | Backlight |
| Number of Outputs | - | 1 |
| Voltage - Output | - | - |
| Frequency | - | 200kHz |
| Current - Output / Channel | - | - |
| Internal Switch(s) | - | No |
| Dimming | - | Analog, PWM |
| Voltage - Supply (Max) | - | 18V |
| Voltage - Supply (Min) | - | 8V |
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1. What is an LED driver for?
The main role of LED drivers is to provide a stable operating current for LEDs. Since LEDs are very sensitive to current, too high a current can cause them to be damaged or their lifespan to be shortened, while too low a current cannot guarantee brightness. Therefore, a suitable driver can ensure that the LED works under safe and efficient conditions.
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2. Is an LED driver just a power supply?
Not exactly. Although the LED driver does provide power, it is more than just a simple power converter. It also contains complex circuits to accurately control the output voltage and current, and sometimes includes dimming, temperature protection and other functions.
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3. Why do I need to program an LED driver?
Programming is usually for advanced drivers with programmable functions, such as achieving finer dimming control, color adjustment or other intelligent functions. This allows users to customize the behavior of the driver according to specific needs.
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4. Does an LED strip require an LED driver?
Yes, LED strips usually require a suitable driver to provide the correct voltage and current. Especially for long strips, because they are often composed of multiple small LEDs in series or parallel.
