This part is a kind of semiconductor called TM1629A.

Function of this product has LED drive control circuit dedicated.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

TM1629A LED LED MCU • • • • • • • CMOS 16 CLK RC SOP32 8 8 STB DIN/DOUT 450KHz+5% 深圳市宝利捷电子有限公司 075582866737 83952850 FAX：0755--83012794 DIN DOUT STB CLK Seg1 Seg16 Grid1 Grid8 VDD VSS NC 深圳市宝利捷电子有限公司 075582866737 83952850 FAX：0755--83012794 VDD VI1 IO1 IO2 PD Topt Tstg -0.5 -0.5 +7.0 VDD + 0.5 -50 V V mA mA mW +200 400 -40 -65 +80 +150 VDD VIH 0.7 VDD 5 VDD 0.3 VDD V V - VIL 0 - V - Ioh1 -20 -25 -40 mA Seg1~Seg11 Vo = vdd-2V Seg1~Seg11 Vo = vdd-3V Grid1~Grid6 Vo=0.3V Ioh2 -20 -30 -50 mA IOL1 80 140 - mA 深圳市宝利捷电子有限公司 075582866737 83952850 FAX：0755--83012794 Idout 4 - - mA VO = 0.4V dout VO = VDD – 3V Seg1 Seg11 K1~K3 VI = VDD / [ ... ]

TM1629A PDF Datasheet Download