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Titan Micro Electronics TM1637 LED Driver Datasheet
The TM1637 is a LED driver controller with a keyboard‑scan interface, intended for display panels in small appliances such as induction cookers and microwaves. It integrates an MCU digital interface, data latch, high‑voltage LED driver, and key‑scan circuitry in a DIP20 or SOP20 package.
The datasheet describes the pin configuration, command set, timing and electrical characteristics, and provides example firmware for 8051‑based MCUs. Features include an 8‑segment×6‑digit display mode, 8‑level PWM brightness control, two‑wire serial communication (CLK, DIO), built‑in 450 kHz RC oscillator, and on‑chip reset and auto‑dim functions. This manual is written in Chinese.
Covers: Features · Pin Configuration · Command Set · Electrical Characteristics · Timing Characteristics · Package Information
Latest Titan Micro Electronics manuals
Titan Micro Electronics TM1637 LED Driver Datasheet
Datasheet 18 pages · 611 KB · ZHThe TM1637 LED driver from Titan Micro Electronics is a CMOS display controller with keyboard scan, 8‑segment×6‑digit display, PWM brightness, two‑wire…
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Datasheet
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in Titan Micro Electronics manuals
What communication interface does the TM1637 use?
It uses a two‑wire serial interface consisting of a clock (CLK) and a data I/O line (DIO).
How many brightness levels are supported?
The device provides eight PWM duty‑cycle levels for brightness adjustment.