Weltrend | Products

LED drivers

WT7252

WT7252 is a control IC for 3 LEDs, providing up to 6-segment cycle function, providing different combinations according to different models. The KEY input terminal is used as a trigger button for segment change. When the KEY goes low trigger every time, it is regarded as a trigger. The output terminals of L1, L2, and L3 are used to control LEDs. WT7252-080/081 means that OFF is HIGH and ON is LOW, which is used to drive PMOS. WT7252-082/083 means that OFF is LOW and ON is HIGH, which is used to drive NMOS.

Features

- Supply Voltage Range：VDD=1.5V ~ 5.0V
- Standby Current(OFF mode):1uA_Max.（VDD=3V）
- KEY de-bounce time: 20mS
- Press and hold KEY, it is regarded as a trigger once, until you let go,
- press KEY again to trigger to the next segment

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WT7252