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LP8866QDCPRQ1
+Lista de MateriaisIC LED DRVR CTRLR PWM 38HTSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #LP8866QDCPRQ1
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Base Product Number | LP8866 |
| Type | DC DC Controller |
| Topology | SEPIC, Step-Up (Boost) |
| Internal Switch(s) | Yes |
| Number of Outputs | 6 |
| Voltage - Supply (Min) | 3V |
| Voltage - Supply (Max) | 48V |
| Voltage - Output | 0V ~ 48V |
| Current - Output / Channel | 200mA |
| Frequency | 100kHz ~ 2.2MHz |
| Dimming | PWM |
| Applications | Backlight |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| Mounting Type | Surface Mount |
| Package | 38-PowerTFSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 38-HTSSOP |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Visão Geral
Description
It features an adaptive voltage control system that adjusts the output to optimize power efficiency, which reduces thermal stress and extends LED lifespan. The device also supports PWM dimming for each LED string, enhancing flexibility in light intensity management. The LP8866QDCPRQ1 is equipped with a wide input voltage range and protective features like overvoltage, overcurrent, and thermal shutdown, ensuring robust performance in the demanding automotive environment. Additionally, its AEC-Q100 qualification certifies its reliability under automotive stress conditions. This device is ideal for manufacturers looking to implement advanced, energy-efficient lighting solutions in vehicles.
Equivalent
1. MAX16923 from Maxim Integrated: Automotive LED driver with integrated boost converter.
2. TL4242 from Infineon: A linear LED driver for automotive applications.
3. A8517 from Allegro MicroSystems: Multi-channel LED driver with boost converter.
4. LT3956 from Analog Devices: A versatile LED driver/controller with internal PWM generator.
Ensure compatibility with your specific application requirements when choosing an equivalent.
Features
1. Quad-Channel Output: It supports up to four independent LED strings, enabling versatile lighting designs.
2. High Efficiency: The driver achieves high efficiency through a synchronous boost controller that minimizes power loss.
3. Wide Input Voltage Range: It operates over a broad input voltage range, making it suitable for various automotive power systems.
4. Flexibility: The device offers programmable currents for each channel, allowing for flexibility in LED brightness and power management.
5. Diagnostics and Protections: It includes comprehensive diagnostic features and protection mechanisms such as short-circuit, open-circuit, and over-temperature protection to ensure reliability and safety.
6. Dimming Options: It supports both analog and PWM dimming methods, enabling smooth and flicker-free brightness control.
7. Automotive Grade: The LP8866QDCPRQ1 is qualified for automotive applications, meeting industry standards for quality and reliability.
These features make it suitable for advanced automotive lighting systems, enhancing both functionality and efficiency.
Pinout
Key functions include:
- Boost/SEPIC/flyback DC-DC converter control.
- High precision current sinks for LED strings.
- PWM dimming for brightness control.
- Fault detection, such as open/short LED and thermal shutdown.
- I²C or SPI interface for communication and control.
The device is optimized for low electromagnetic interference and high efficiency, making it suitable for automotive applications where reliability and performance are critical.