Part Number: TM1668
Function: LED Display/Keypad Driver
Package: SOIC 24 Pin Type
Manufacturer: Shenznen Titan Micro Electronics
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Description
This is control 7 Segments & Keys from just 3 MCU I/O, Widely used in induction cooker display. LED Dedicated drive control circuit.
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LED TM1668 is a scanning interface with a keyboard (light-emitting diode display) dedicated drive control circuit, the internal set Into the MCU digital interface, data latches, LED high voltage drive, keyboard scanning circuit. This product is excellent performance, quality Reliable. Mainly used in VCR, VCD, DVD and home theater products such as display drivers. Using SOP24, SSOP24, SKDIP24, SDIP24 the package.
TM1668 pinout
Features
1. Using power CMOS process
2. Display mode (10 segments x 7 digits to 13 segments x 4 digits)
3. Key scan (10×2bit)
4. Brightness adjustment circuit (8-level adjustable duty cycle)
5. Serial interface (CLK, STB, DIO)
6. Oscillation mode: built-in RC oscillation (450KHz+5%)
7. Built-in power-on reset circuit
Reference page : LED Display/Keypad Driver [4916] : Sunrom Electronics
TM1668 Datasheet PDF Download
