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LED
TM1804
TM1804LED(),MCU 、 、LED ,VDD5V。 MCU、 。、。
CMOS 24V VDD5V VDD,6V~24V ,256,1024 :RC, , PWM256,400Hz 30/s,512,1024 400Kbps800Kbps :SOP8、DIP8
:、、、、。
DC R1
DC R2
DC R3
DC R1
DC R2
DC R3
DI VCC GND VCC
RI
OUTR DIN SET
OUTG
OUTB DO VDD GND 104 DO
RO R D1 DC
OUTR DIN SET
OUTG
OUTB DO VDD GND 104 DO NEXT R D1 DC
TM1804
IC1
TM1804
ICn
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V1.4
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LED
TM1804
DIN SET DO
VDD
VDD
D W 5V
PWM OSC
OUTR OUTG OUTB
GND
GND
OUTR OUTG OUTB GND
1 2 3 4
8
VDD SET DIN DO
(TO P VIE W)
7 6 5
TM1 804
VDD VDD VDD OUTn
DIN SET GND
DO
GND
GND
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V1.4
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LED
DIN DO SET OUTR OUTG OUTB VDD GND
TM1804
6 5 7 1 2 3 8 4
I/O
I O O O O
VDD:;: Red Blue PWM PWM Green PWM DC 5V±10%,5V,
,,, ,, ESD , 。
(2) (1)
VDD VIN IOUT VOUT FCLK Topr Tstg ESD (DC) (HBM) (MM) DIN,SET OUTR,OUTG,OUTB OUTR,OUTG,OUTB DIN
-0.5 ~+7.0 -0.5~VDD+0.5 60 -0.5~+30.0 800 -40~+85 -55~+150 2000 200
V V mA V KHZ ℃ ℃ V V
(1),,,。 ,。 (2)。
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V1.4
Free Datasheet http://www.0PDF.com
LED
(-40℃~+85℃,GND=0V)
TM1804
4.5 3.8 GND
TM1804
5.0
6.5 24.0 VDD 1.5
V V V V mA mA mA ℃ ℃
: :VCC= DC4.5V~6.5V VCC VO OUT VIH VIL IOH VCC=5.0V,SDO=4.8V IOL VCC=5.0V,SDO=0.5V OUTR, OUTG, OUTB = IOLC RGB 0.5V TA TJ
1 10 40 -40 -40 45 +85 +125
( VCC=4.5V~6.5V -40℃~+85℃, VCC=5V TA=+25℃) TM1804
VDD-0.5 -1 1
VDD 0.5 1
V V uA mA mA uA ms mA ℃/W mW ohm
VOH VOL IIN IDD IOLC IOLKG TPWM IDDdyn Rth(j-a) PD RON
VDD RGB OUT RGB
IOH=-6mA:DO IOL=10mA:DO DIN = VCC GND OUTR, OUTG, OUTB ,DIN, DO=,VDD=5.0V OUTR, OUTG, OUTB = 0.5V OUTR, OUTG, OUTB =OFF OUT1K OUTR, OUTG, OUTB =OFF DO= -(Ta=25°C) VDD=5.0V
3 40
5 45 0.1 4 1
3
3.5
79.2 13 -
190 250 14
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V1.4
Free Datasheet http://www.0PDF.com
LED
( VCC=4.5V~6.5V -40℃~+85℃, VCC=5V TA=+25℃) fosc1 -400 fosc2 -800 tPLZ DIN → DOUT tPZL -CL = 15pF, RL = 10K Ω CL = 300pF, TTHZ OUTR/OUTG/OUTB Fdat 50% 400 CI - 300 100 120 800 15
TM1804
KHz KHz ns ns μs Kbps pF
,。,DIN ,24bit,DO,。,DO 。 , OUTR、 OUTG、 OUTBPWM24bit ,,1.5ms。DINRESET, ,,24bit, DO,RESET,OUTR、OUTG、OUTB, RESET,24bitPWMOUTR、OUTG、 OUTB。 ,, ,。
24bit 24bit
M SB R 7 G 7 B 7 R 6 G 6 B 6 R 5 G 5 B 5 R 4 G 4 B 4 R3 G3 B3 R 2 G 2 B 2 R1 G1 B1 R 0 G 0 B 0 LSB BIT2 3BI T 16 BIT1 5BI T 8 B IT 7-BIT 0 O UT R PWM O UT G PWM O UT B P WM
,RGB。
T0H T1H T0H’ T1H’ T Treset 0, 1, 0, 1, 01 Reset, 500 1600 ---10 700 1800 700 1300 2.5 24 900 2000 --- ns ns ns ns us us
VDD=5.0V GND=0V
: 。 : 1 0 2.5us( 400KHz)
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V1.4
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LED
T0H T1H T0H’ T1H’ T Treset 0, 1, 0, 1, 01 Reset, 350 700 ---10 400 850 320 700 1.25 24 450 1000 ----
TM1804
ns ns ns ns us us
VDD=5.0V GND=0V
: 。 Treset : 1 0 1.25us( 800KHz) 。 10us,,, 。
0 T0H VIH
DI N
1 T1H
RESET Treset
VIL T T T1H' RESET
tPLZ
DO
T0H'
D1 D2 D3 D4
O UT PU T
D IN
DO
D IN 2
DO
D IN 3
DO
1
D1,D2、D3、D4TM1804
1 D1 24bit 24bit 24bit RESET 24bit
2 24bit 24bit RESET
D2
24bit
24bit
RESET
24bit
24bit
RESET
D3
24bit
RESET
24bit
RESET
D4
:(D1), 124bit,1
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V1.4
Free Datasheet http://www.0PDF.com
LED
TM1804
(D2),,124bit,1 24bit,,1DO24bit,21(D2),, 2(D3);,124bit2, 224bit,,224bit(D3),324bit, 15usRESET,24bit RGB,,。
1、 , RGB , TM1804 。, 30 /,: (1)30 / t1=1S÷30=0.033333S=33333μS; (2), Bit 1.25μS,, Bit 2.5μS.