TM1650 LED Driver IC with Keyboard Scanning Interface for Home Appliances, Digital Tubes, and Smart Meters
Description
TM1650 is a specialized LED (light-emitting diode) display driver IC with a keyboard scanning interface. It integrates an MCU digital interface, data latch, LED driver, and keyboard scanning circuits. This product is known for its reliable quality, stability, and strong anti-interference capability. It is primarily used in digital tube applications such as set-top boxes, household appliances (smart water heaters, microwave ovens, washing machines, air conditioners, induction cookers), electronic scales, and smart meters. It is ideal for applications that require continuous 24-hour operation.
Key Features
- Two display modes: 8 segments × 4 bits and 7 segments × 4 bits
- Supports single key (7×4 bit, 28 keys) and combination key (4 keys)
- Adjustable brightness level with 8 settings
- High driving current: 25mA for segment and 150mA for bit driving
- High-speed 2-wire serial interface (CLK, DAT)
- Built-in RC oscillation for stable operation
- Built-in power-on reset and data latch circuits
- Supports supply voltage from 3V to 5.5V
- Strong anti-interference capability
- Packaging options: SOP16, DIP16
Applications
TM1650 is mainly used in digital tube applications such as set-top boxes, home appliances (smart water heaters, microwave ovens, washing machines, air conditioners, induction cookers), electronic scales, smart meters, and other similar devices. It is designed to work reliably in 24-hour continuous operation scenarios.
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