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IC LED DRV LIN PWM 70MA 20HTSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #TPS92638QPWPRQ1
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Pacote HTSSOP-20
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Em Estoque7019
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Type | Linear |
| Internal Switch(s) | Yes |
| Number of Outputs | 8 |
| Voltage - Supply (Min) | 5V |
| Voltage - Supply (Max) | 40V |
| Current - Output / Channel | 70mA |
| Dimming | Analog, PWM |
| Applications | Automotive |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include fault detection, thermal shutdown, and protection mechanisms to ensure reliable operation under various conditions. The TPS92638QPWPRQ1 supports both analog and PWM dimming, offering flexibility in brightness control. Its wide input voltage range and robust design make it compatible with the demanding requirements of automotive environments.
The device is AEC-Q100 qualified, ensuring it meets the stringent standards for automotive electronics. It is housed in a compact PowerPAD™ package, optimizing thermal performance and minimizing the required PCB space. Overall, the TPS92638QPWPRQ1 provides a versatile and reliable solution for automotive LED lighting applications.
Equivalent
1. LT3964 from Analog Devices - A monolithic, synchronous step-down DC/DC converter with dual LED drivers.
2. MAX16832 from Maxim Integrated - A high-brightness LED driver with an integrated MOSFET.
3. NCL30160 from ON Semiconductor - A constant current LED driver.
4. ISL78302 from Renesas Electronics - An automotive-grade LED driver with integrated MOSFETs.
Ensure compatibility based on specific requirements like voltage, current ratings, and package type.
Features
1. Multi-Channel Support: It supports up to 8 channels, making it suitable for complex lighting systems.
2. Current Regulation: Offers precise current regulation with a current accuracy of ±3% to ensure consistent LED brightness.
3. Dimming Capability: Supports both PWM and analog dimming for flexible brightness control.
4. Wide Input Voltage Range: Operates across a broad input voltage range, enhancing its versatility in different automotive systems.
5. Protection Features: Includes over-temperature, over-voltage, and LED open-circuit and short-circuit protection, ensuring device safety and reliability.
6. Diagnostic Features: Provides fault detection and reporting, which aids in system diagnostics and maintenance.
7. Low EMI: Designed to minimize electromagnetic interference, which is crucial for automotive applications.
8. AEC-Q100 Qualified: Meeting automotive standards, it is reliable for use in demanding environments.
These features make the TPS92638QPWPRQ1 highly suitable for automotive lighting applications, offering efficiency, versatility, and reliability.
Pinout
The TPS92638QPWPRQ1 operates as a boost controller for driving multi-string LEDs with varying current requirements. Key functions of this device include:
- Multi-channel operation: It can drive up to 8 LED strings.
- Current regulation: Provides accurate current regulation for each string.
- Fault detection: Includes protection features like open-load, short-to-ground, and LED-string short-circuit fault detection.
- Dimming control: Supports PWM and analog dimming for flexible brightness control.
- Automotive grade: Qualified for automotive applications with AEC-Q100 standards.
The device is designed to offer reliability and performance in automotive lighting applications, ensuring the LEDs operate efficiently and effectively under various conditions.
Manufacturer
Application
1. Exterior Lighting: Suitable for headlights, taillights, daytime running lights (DRLs), and turn signals.
2. Interior Lighting: Used in dashboard illumination, ambient lighting, and dome lights.
3. Adaptive Lighting Systems: Supports applications requiring dynamic lighting adjustments, such as adaptive front-lighting systems (AFS).
4. Commercial Vehicle Lighting: Applied in buses, trucks, and other commercial vehicles for reliable LED lighting solutions.
Its robustness and compliance with automotive standards make it ideal for challenging environments requiring efficient LED control.