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ET1637
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General Description
ET1637 is a common anode LED digital tube drive control circuit with keyboard scanning interface, which is integrated with MCU digital interface, data latch, LED high voltage driver, keyboard scanning and other modules, using 2-wire serial interface. This product has excellent performance and reliable quality, and is mainly used in the display drive of induction cooker, microwave oven and small household appliances.
Specification
Sample
Features
- Power CMOS technology
- Display mode (8 segments × 6 bits),supports up to 48 LEDs and Common anode digital tube
- Support up to 16 keys (2×8bit)
- Support 8-level brightness adjustment
- Built in RC oscillation
- 2-wire serial interface (CLK, DIO)
- Built in power on reset
- Built in automatic blanking circuit
Technical Documentation
| Type | Title | Format | Date |
|---|---|---|---|
| Datasheet | ET1637 Datasheet | 2025-11-15 |
