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TP1550
The TP1550 is a high-precision constant current/constant voltage feedback control chip, used with an AC-DC secondary feedback chip in adapter and LED driver solutions. The chip integrates a 431 and external voltage divider and compensation resistors, and integrates a constant current control function, resulting in fewer external components, low system cost, high reliability, high stability, simple production, and no debugging required.
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- Product Description
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- Commodity name: TP1550
- 封装: SOT-23-5, TO-94
- 品牌: Topin Microelectronics
The TP1550 is a high-precision constant current/constant voltage feedback control chip, used with an AC-DC secondary feedback chip in adapter and LED driver solutions. The chip integrates a 431 and external voltage divider and compensation resistors, and integrates a constant current control function, resulting in fewer external components, low system cost, high reliability, high stability, simple production, and no debugging required.
Adapter uses high-precision constant voltage, constant current control ICConstant voltage accuracy: ±2%Constant current accuracy: ±5%High-precision 5V constant voltage outputLowest cost solution, only one resistor and two capacitors are neededIntegrated CV/CC controlAdjustable constant current, constant current sampling voltage only 100mVConstant voltage, constant current adjustment is simple and flexible, with a wide adjustment rangeIntegrated TL431 and external voltage divider resistors and compensation networkIdeal component to replace the TL431+LM358 circuitVarious package sizes SOT-23-5, TO-94In conjunction with TP1001, 1002 secondary feedback IC circuit to achieve constantCurrent, constant voltage output high-power adapter applications
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