The TPS922055 is a 4-A non-synchronous Buck LED driver with a 4.5-V to 65-V wide input range. It integrates a low-side NMOS switch and is capable of driving LEDs and charging batteries with high power density and efficiency. The device supports common anode connection and features a configurable switching frequency from 100 kHz to 2.2 MHz with spread spectrum for improved EMI performance. It supports analog, PWM, hybrid, and flexible dimming methods and includes inductive fast dimming (IFD) for high accuracy.
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| Input Voltage (Min) | 4.5V |
| Input Voltage (Max) | 65V |
| Output Current (Max) | 4A |
| Output Voltage (Max) | 63V |
| Switching Frequency | 0.1 to 2.2MHz |
| MOSFET RDS(on) | 150mΩ |
| Operating Temperature range | -55 to 125°C |
| Analog Dimming Ratio | 256:1ratio |
| RoHS | Compliant |
| REACH | Affected |
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