MP3214DQ-LF-P vs AS1390B-BSOT
| Part Number |
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| Category | PMIC - LED Drivers | PMIC - LED Drivers |
| Manufacturer | Monolithic Power Systems Inc. | ams |
| Description | IC LED DRIVER RGLTR 500MA QFN16 | IC LED DRIVER CONTROLLER 16SOIC |
| Package | Tape & Reel (TR) | Cut Tape (CT) |
| Series | - | - |
| Type | DC DC Regulator | DC DC Controller |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-VFQFN Exposed Pad | 16-SOIC (0.154\", 3.90mm Width) |
| Supplier Device Package | 16-QFN (3x3) | 16-SOIC |
| Topology | Switched Capacitor (Charge Pump) | Step-Down (Buck), Step-Up (Boost) |
| Applications | Backlight, Camera Flash | Backlight |
| Number of Outputs | 1 | 1 |
| Voltage - Output | - | - |
| Frequency | 1.35MHz | - |
| Current - Output / Channel | 500mA (Flash) | - |
| Internal Switch(s) | Yes | No |
| Dimming | - | - |
| Voltage - Supply (Max) | 5.5V | 30V |
| Voltage - Supply (Min) | 2.7V | 10V |
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1. Do all LED lights need a driver?
Not all LED lights require independent drivers. Some small or integrated LED lamps may already have built-in driver circuits. However, for most high-power LEDs or applications that require specific current control, using a dedicated driver is very necessary.
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2. 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.
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3. Can I use an LED light without a driver?
As mentioned before, in theory yes, but in practice it is strongly recommended to use a proper driver to ensure optimal performance and extend life.
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4. Are there LED drivers with audio output?
Some high-end LED drivers do have the ability to synchronize with audio signals and change the lighting effects to the rhythm of music. This type of driver is usually used in occasions such as entertainment lighting or stage lighting.
