Description
The TM1668 is a dedicated LED driver control integrated circuit with built-in keyboard scan interface and serial communication control. It integrates digital interface logic, data latches, LED high-voltage drive, and key scanning circuitry into one chip — simplifying LED display and keypad control in embedded systems.
FEATURES
- Supply Voltage: ~2.7 V to 5.5 V
- Operating Temperature: -40 °C to +85 °C
- Interface Type: SPI-like serial
- Display Drive: Up to 10×7 / variable mode
- Brightness Control: 8-level PWM
- Oscillator Frequency: ~450 kHz
- Key Scan Matrix Support: Yes
- Mounting Style: Surface Mount
SPECIFICATION
- Dimension: 15.34 × 7.52 × 2.34 mm
- Additional information
- Gross weight: 0.315 g
- Manufacturer part number: TM1668





