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TPS92391RHBR
+Lista de MateriaisIC LED DRIVER CTRLR PWM 32VQFN
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FabricanteTexas Instruments
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Peça do Fabricante #TPS92391RHBR
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Type | DC DC Controller |
| Topology | SEPIC, Step-Up (Boost) |
| Internal Switch(s) | No |
| Number of Outputs | 6 |
| Voltage - Supply (Min) | 3V |
| Voltage - Supply (Max) | 5.5V |
| Voltage - Output | 0V ~ 48V |
| Frequency | 100kHz ~ 2.2MHz |
| Dimming | Analog, I2C, PWM |
| Applications | Backlight |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 32-VFQFN Exposed Pad |
| Supplier Device Package | 32-VQFN (5x5) |
| Base Product Number | TPS92391 |
| Grade | Automotive |
| Qualification | AEC-Q100 |
Visão Geral
Description
Key features include a wide input voltage range, making it flexible for different power supply configurations, and a high switching frequency, which allows for smaller external components and a more compact design. The TPS92391RHBR offers several protection features, such as over-voltage and over-current protection, enhancing reliability and safety in operation. It also supports PWM dimming, enabling smooth and efficient control of LED brightness.
The device is typically used in applications like automotive lighting, display backlighting, and other LED-based illumination systems. Its compact VQFN package helps in optimizing the space in PCB layouts, making it suitable for both consumer and industrial applications where space and efficiency are critical.
Equivalent
1. LT3476 by Analog Devices
2. A6211 from Allegro Microsystems
3. MAX16821 by Maxim Integrated
These alternatives should be compared for compatibility based on detailed application requirements. Always refer to the latest datasheets for exact specifications.
Features
1. Multi-Channel Support: It provides support for multiple channels, making it suitable for applications requiring independent LED string control.
2. Wide Input Voltage Range: Designed to operate over a wide input voltage range, allowing flexibility in power supply configurations.
3. High Efficiency: The device is optimized for high efficiency, reducing power consumption and heat production.
4. Dimming Capabilities: Supports PWM dimming, enabling precise control over brightness levels for different lighting conditions.
5. Integrated Protection Features: Includes overvoltage, undervoltage, overcurrent, and thermal shutdown protections to ensure reliable operation and protection of the LEDs and the driver itself.
6. Compact Package: Available in a compact QFN package, facilitating easy integration into space-constrained designs.
7. Flexible Configuration: Offers versatility in LED driving applications with programmable settings for current regulation and fault detection.
These features make the TPS92391RHBR suitable for applications like LCD TV backlighting, digital signage, and other LED lighting solutions requiring reliable and efficient performance.
Pinout
Its primary function is to drive LED arrays efficiently, making it suitable for applications such as lighting and display backlighting. Key features include high efficiency, adjustable output, and the ability to manage LED brightness and dimming. The TPS92391 is designed to operate with a wide input voltage range and provides a constant current output, which is essential for maintaining uniform brightness across LED arrays.
For specific pin functions, you would typically refer to the device's datasheet, which provides detailed information on each pin's role, such as power input, ground, switching, and control signals. The datasheet is essential to understanding how to implement the device in your design effectively.