MPQ2489DQ-LF-P vs SC104IMLTRT
| Part Number |
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| Category | PMIC - LED Drivers | PMIC - LED Drivers |
| Manufacturer | Monolithic Power Systems Inc. | Semtech Corporation |
| Description | INDUSTRIAL GRADE, 60V, 0.6A BUCK | IC LED DRIVER REGULATOR 8MLP |
| Package | Tape & Reel (TR) | Tape & Reel (TR) |
| Series | Automotive, AEC-Q100 | - |
| Type | DC DC Regulator | DC DC Regulator |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 6-VDFN Exposed Pad | 8-VDFN Exposed Pad |
| Supplier Device Package | 6-QFN (3x3) | 8-MLPD (3x3) |
| Topology | Step-Down (Buck) | Step-Up (Boost) |
| Applications | Automotive, Backlight, Lighting, Signage | Backlight |
| Number of Outputs | 1 | 1 |
| Voltage - Output | - | 38V |
| Frequency | 600kHz | - |
| Current - Output / Channel | 550mA | - |
| Internal Switch(s) | Yes | Yes |
| Dimming | Analog, PWM | - |
| Voltage - Supply (Max) | 55V | 10V |
| Voltage - Supply (Min) | 6V | 1.55V |
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1. What is the difference between an LED driver and a ballast?
LED drivers: Designed specifically for LEDs, they are usually used to adjust the output current to meet the requirements of LEDs.
Ballasts: Traditionally used for fluorescent lamps or other gas discharge lamps, they control the high voltage at startup and limit the operating current. Although some modern electronic ballasts can also provide constant current, their original design and application areas are different from LED drivers. -
2. Can I run an LED without a driver?
Yes, but additional circuits (such as resistors) are required to limit the current. However, this method is less efficient and difficult to maintain a stable current, which may lead to poor LED performance or shortened life.
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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.
