The TPS61161-Q1 is a boost converter with a 40-V rated integrated switch FET designed to drive up to 10 LEDs in series. It operates at a 600-kHz fixed switching frequency and features a 200-mV feedback voltage regulated to set the LED current. Brightness control is achieved via a 1-wire EasyScale digital interface or a PWM signal applied to the CTRL pin. The device includes integrated open LED protection, soft start, and is automotive qualified.
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Texas Instruments TPS61161-Q1 technical specifications.
| Input Voltage (Min) | 2.7V |
| Input Voltage (Max) | 18V |
| Output Voltage (Max) | 38V |
| Switch Current Limit | 0.7A |
| Switching Frequency | 600kHz |
| Feedback Voltage | 200mV |
| Operating Temperature | -40 to 125°C |
| Number of Channels | 1 |
| Automotive Qualification | AEC-Q100 |
| RoHS | Compliant |
| REACH | Compliant |
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