The TPS92518-Q1 is a dual-channel buck LED current controller with a SPI communications interface designed for automotive lighting applications. It features a quasi-hysteretic control method supporting switching frequencies up to 2 MHz, enabling high-frequency shunt FET dimming and handling dynamic loads of adaptive LED matrix systems. The device provides software-programmable set points for peak current and off-time via SPI, allowing for a single driver solution across multiple load configurations.
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Texas Instruments TPS92518-Q1 technical specifications.
| Number of Channels | 2 |
| Input Voltage (Min) | 6.5V |
| Input Voltage (Max) | 42V |
| Output Current (Max) | 5A |
| Switching Frequency (Max) | 2000kHz |
| Operating Temperature Range | -40 to 125°C |
| PWM Dimming Ratio | 10000:1Ratio |
| Analog Dimming Range | 255:1Ratio |
| Aec-q100 | Qualified for Automotive Applications |
| RoHS | Yes |
| REACH | Yes |
| Esd Classification | HBM Level H2, CDM Level C5 |
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