TPS922054
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Краткое описание:
65-V, 4-A buck LED driver with inductive fast dimming
Дополнительная информация
The TPS922054 is a 4A non-synchronous Buck LED driver with a wide input voltage range of 4.5V to 65V. It integrates a low-side NMOS switch and is designed for driving LEDs or charging batteries with high power density. The device supports four dimming options (analog, PWM, hybrid, and flexible) and features a configurable switching frequency from 100kHz to 2.2MHz with an optional spread spectrum for EMI performance. It includes comprehensive protection features such as cycle-by-cycle over-current protection, thermal shutdown, and LED open/short detection.
| RoHS | Yes |
| REACH | Yes |
| Topology | Buck |
| Msl Rating | Level-1-260C-UNLIM |
| Number of Channels | 1 |
| Input Voltage (Max) | 65V |
| Input Voltage (Min) | 4.5V |
| Output Current (Max) | 4A |
| Output Voltage (Max) | 63V |
| Quiescent Current (Typ) | 2mA |
| Switching Frequency (Max) | 2.2MHz |
| Operating Temperature Range | -40 to 125°C |
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