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LP8864QRHBRQ1
+物料清單IC LED DRV CTRL PWM 200MA 32VQFN
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製造商德州儀器
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製造商部分 #LP8864QRHBRQ1
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有存貨1745
365 天品質保證
7*24 小時服務保證
90-日售後保障
正品保證
規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR) |
| Series | Automotive, AEC-Q100 |
| ProductStatus | Active |
| Type | DC DC Controller |
| Topology | SEPIC, Step-Up (Boost) |
| InternalSwitch(s) | No |
| NumberofOutputs | 4 |
| Voltage-Supply(Min) | 3V |
| Voltage-Supply(Max) | 5.5V |
| Voltage-Output | 0V ~ 48V |
| Current-Output/Channel | 200mA |
| Frequency | 100kHz ~ 2.2MHz |
| Dimming | Analog, I²C, PWM |
| Applications | Automotive, Backlight |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount, Wettable Flank |
| Package/Case | 32-VFQFN Exposed Pad |
概述
Description
One of the key features of the LP8864QRHBRQ1 is its advanced dimming capabilities, including both analog and PWM dimming, which provide precise brightness control. It also offers high efficiency by employing a boost converter with an integrated MOSFET, reducing energy consumption and heat generation.
The driver includes several protection features, such as over-voltage, over-current, and short-circuit protection, ensuring reliable operation under various conditions. It also supports diagnostic feedback, which aids in system monitoring and troubleshooting.
Overall, the LP8864QRHBRQ1 is a robust, versatile solution for automotive LED applications, providing reliability, efficiency, and flexibility to meet the demanding requirements of the automotive industry.
Equivalent
Features
Key features include:
- Efficiency: High-efficiency operation to minimize power consumption and heat generation.
- Dimming: Supports both analog and PWM dimming for precise control over LED brightness and color.
- Diagnostics: Built-in fault detection and protection features, such as open/short LED detection and thermal shutdown.
- Flexibility: Configurable for different LED configurations, allowing for tailored lighting solutions.
- Automotive Grade: Qualified for automotive applications, ensuring reliability and performance under harsh conditions.
- I2C Interface: Provides easy integration and control through an I2C interface.
These features make the LP8864QRHBRQ1 an ideal choice for modern automotive lighting systems, offering reliability and performance tailored to industry standards.
Pinout
1. Boost Converter: Provides a stable output voltage for driving multiple LED strings.
2. Current Sinks: Up to four independent channels for precise LED current regulation.
3. Fault Detection: Includes features like open/short LED protection, over-current, over-voltage, and over-temperature protection.
4. PWM Dimming: Supports both analog and PWM dimming for brightness control.
5. I2C Interface: Allows for configuration and control via a microcontroller, supporting various dimming and diagnostic functions.
6. Synchronization: Can be synchronized with an external clock to minimize interference with other circuits.
These features make the LP8864QRHBRQ1 suitable for applications requiring high efficiency, reliability, and fine control over LED brightness in automotive environments.