The TPS923610/1/2 is a synchronous boost LED driver that integrates both low-side and high-side switch FETs. It features an ultra-low 130nA shutdown current. The TPS923610/1/2 can drive single or parallel LED strings for LCD back lighting and general illumination.
The feedback voltage is regulated to 200mV and the output current is set by an external sensor resistor, RSET, as shown in the Simplified Schematic. During operation, a PWM signal applied to ADIM pin adjusts the feedback voltage proportionally to the PWM duty cycle, enabling precise analog dimming. The TPS923610/1/2 supports PWM controlled analog dimming with ratio as low as 0.1%, along with FCCM operation, avoiding audible noises at the output since current modulation remains purely analog.
The TPS923610/1/2 integrates over-voltage protection that disables the power stage to prevent the output voltage from exceeding the absolute maximum voltage rating during LED open conditions. The TPS923610/1/2 also provides over-current protection, under-voltage lockout protection and thermal shutdown protection.
| Tipo | Título | Fecha | ||
|---|---|---|---|---|
| * | Data sheet | TPS923610/1/2 30V Synchronous Boost LED Driver with Ultra-low Shutdown Current and 0.1%-ratio PWM Controlled Analog Dimming datasheet (Rev. A) | PDF | HTML | 28 oct 2025 |
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| Encapsulado | Pines | Símbolos CAD, huellas y modelos 3D |
|---|---|---|
| SOT-5X3 (DRL) | 6 | Ultra Librarian |
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