tb62717ng TOSHIBA Semiconductor CORPORATION, tb62717ng Datasheet
tb62717ng
Related parts for tb62717ng
tb62717ng Summary of contents
Page 1
... TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic TB62717NG,TB62717FG 24 Bit Constant Current Drivers (3 × 8 Bit Shift Register & Latch) The TB62717NG/FG are specifically designed constant current driver for LED & LED DISPLAY. This constant-current output-circuits is able to set external resistor. This IC is monolithic integrated circuit designed to be used together with Bi-CMOS process ...
Page 2
... TB62717NG TB62717NG/FG SERIAL OUT-B SERIAL OUT-G SERIAL OUT OUT-B0 OUT-G0 OUT-R0 OUT-B1 OUT-G1 OUT-R1 GND OUT-B6 OUT-G6 OUT-R6 OUT-B7 OUT-G7 OUT-R7 ENABLE-B ENABLE-G ENABLE-R LATCH 2007-12-06 ...
Page 3
... R n+3 3 TB62717NG/FG OUT − ··· OUT − ··· OUT − R/G/B0 R/G/B3 R/G/B7 D ··· D ··· n−3 n−7 No Change D ··· D ··· D n+1 n−2 n−6 No Change All Off 2007-12-06 SERIAL− ...
Page 4
... Timing Diagram Note: LATCH is level sensitive, not rising edges sensitive and not synchronous CLOCK. Input of LATCH −terminal to “H” level, data passes latches, and input to “L” level, data hold latches. Input of ENABLE −terminal to “H” level, all output do off. 4 TB62717NG/FG 2007-12-06 ...
Page 5
... Resistance with the outside is connected between this terminal and GND. Output electric current is set up in the value corresponding to the re This terminal is input of a power supply voltage 5 V. This terminal is a serial−data output of each block. terminal is a unconnection. 5 TB62717NG/FG 2007-12-06 ...
Page 6
... Equivalent Circuit About the Input and Output Terminal 1. The terminal of the ENABLE −R/G/B 3. The terminal of the CLOCK and SERIAL IN-R/G/B 5. The terminal of the OUT - R/G/B0~7 GND 2. The terminal of the LATCH 4. The terminal of the SERIAL OUT-R/G/B OUT - 0~7 Parasitic Diode 6 TB62717NG/FG 2007-12-06 ...
Page 7
... DD t w/LATCH t w/EN t setup(D) = 4 hold(D) t setup(L) t hold(L) = 4.5~5.5V, Cascade operation f V CLK 85°C (SDIP42 on PCB 85°C (QFP48 on PCB) 7 TB62717NG/FG Unit MHz mA °C/W °C/W °C °C Min Typ. max 4.5 5.0 5.5 ⎯ 0.4 15.0 ⎯ ⎯ 35 ⎯ ⎯ − 1.0 ⎯ ...
Page 8
... IH DD pHL2 = GND 660 Ω pHL3 EXT = 3 10.5 pF pHL4 TB62717NG/FG Min Typ. Max 0.7 ⎯ 0.3 ⎯ GND V DD ⎯ ⎯ 10 ⎯ ⎯ 0.4 ⎯ ⎯ 4.6 25.5 30.0 34.5 REXT = 660 Ω ⎯ ± 1.5 ± 6.0 ⎯ ...
Page 9
... Measurement circuit 3: Pull-up resistance OUT -R/G/B0 CLOCK SERIAL IN-R/G/B LATCH OUT -R/G/B4 ENABLE -R/G/B OUT -R/G/B7 REXT-R/B/G GND SERIAL OUT-R/G OUT -R/G/B0 CLOCK SERIAL IN-R/G/B LATCH OUT -R/G/B4 ENABLE -R/G/B OUT -R/G/B7 SERIAL OUT-R/G/B REXT-R/B/G GND V DD OUT -R/G/B0 CLOCK SERIAL IN-R/G/B LATCH OUT -R/G/B4 ENABLE -R/G/B OUT -R/G/B7 REXT-R/B/G GND SERIAL OUT-R/G/B 9 TB62717NG/FG V 2007-12-06 ...
Page 10
... ENABLE -R/G/B OUT -R/G/B7 REXT-R/B/G GND SERIAL OUT-R/G OUT -R/G/B0 CLOCK SERIAL IN-R/G/B LATCH OUT -R/G/B4 ENABLE -R/G/B OUT -R/G/B7 REXT-R/B/G GND SERIAL OUT-R/G OUT -R/G/B0 CLOCK SERIAL IN-R/G/B LATCH OUT -R/G/B4 ENABLE -R/G/B OUT -R/G/B7 SERIAL OUT-R/G/B REXT-R/B/G GND 10 TB62717NG/ 86.6 Ω 10 2007-12-06 ...
Page 11
... CLK 50% 50% t wCLK(L) 50% t HOLD(D) 50 pLH4 pHL4 - R/G/ 50% 50 SETUP(L) HOLD(L) 50% 50% t w/LATCH 50 pHL2 pLH2 - R/G/ 50% 50 pHL1 pLH1 - R/G/ w/EN 50% 50% tpLH3 tpHL3 90% 90% 50% 10 TB62717NG/FG 90% 90% 50% 10% 10 OFF ON OFF ON 50% 10% OFF 2007-12-06 ...
Page 12
... TB62717NG/FG 2007-12-06 ...
Page 13
... TB62717NG/FG 2007-12-06 ...
Page 14
... LOGIC SIGNALS SERIAL IN-G SERIAL IN-R CLOCK LED OUTPUTS TB62717FG LED OUTPUTS 14 TB62717NG/FG 24 ENABLE-B 23 ENABLE-G LOGIC SIGNALS 22 ENABLE-R 21 LATCH GND 17 REXT-R 16 REXT-G 15 REXT-B 2007-12-06 ...
Page 15
... LED Driver TB6270X Series Application Note Figure 1 15 TB62717NG/FG 2007-12-06 ...
Page 16
... If ground pattern layout contains large inductance and impedance, and the voltage between ground and LATCH, CLOCK terminals exceeds 2 switching noise in operation, this device may miss-operate would like you to pay attention to pattern layout to minimize inductance. Pattern Layout ) ) LED ). O (LED Forward voltage (IC supply voltage TB62717NG/FG 2007-12-06 ...
Page 17
... Package Dimensions Weight: 4.13 g (typ.) 17 TB62717NG/FG 2007-12-06 ...
Page 18
... Package Dimensions Weight: 0.83 g (typ.) 18 TB62717NG/FG 2007-12-06 ...
Page 19
... Toshiba does not grant any license to any industrial property rights by providing these examples of application circuits. 5. Test Circuits Components in the test circuits are used only to obtain and confirm the device characteristics. These components and circuits are not guaranteed to prevent malfunction or failure from occurring in the application equipment. 19 TB62717NG/FG 2007-12-06 ...
Page 20
... If the current sink capability of the power supply is small, the device’s motor power supply and output pins might be exposed to conditions beyond maximum ratings. To avoid this problem, take the effect of back-EMF into consideration in system design. 20 TB62717NG/FG 2007-12-06 ...
Page 21
... TOSHIBA or the third parties. • Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations. 21 TB62717NG/FG 20070701-EN 2007-12-06 ...