tb62719af TOSHIBA Semiconductor CORPORATION, tb62719af Datasheet
tb62719af
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tb62719af Summary of contents
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... TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic 16ch constant current drivers and controller for full-color LED modules and panels The TB62719AF is an LED driver which is suitable for driving full-color LED modules. This device has built-in 8-bit PWM grayscale and each output current adjustment functions. It can turn LEDs. ...
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... Short-circuiting an output pin to GND or to the power supply pin may destroy the device. Take care when wiring the output pins, the power supply pin and the GND pins (V Do not apply either positive or negative voltages to the heat sink on the surface of the IC. In addition, do not solder anything to the heat sink. = −40 to 85° SS2 2 TB62719AF 2006-06-14 ...
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... The four characters of ‘I’, ‘M’, ‘O’ and ‘W’ are not used TB62719AF 4WWKA for 2003, 4 for 2004 rd lot lot lot TB62719AF OUT 01 OUT 02 OUT 03 OUT 04 OUT 05 OUT 06 OUT 07 VSS2 VSS2 OUT 08 OUT 09 OUT 10 OUT 11 OUT 12 ...
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... DAC1 1 × 2-bit DAC3 DAC 1 × 5-bit DAC DAC2 1 × 6-bit DAC For PI REG1, PI REG2, SI REG1 and SI REG2 TB62719AF SI CLK SI LATCH SO DATA REXT RESET 2006-06-14 ...
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... And also, DAC4 has a very wide setting range. Therefore, DAC4 can be used to adjust the brightness of LEDs without a rank classification. This method allows brightness to be adjusted with a degree of accuracy of 1.27% of full scale. Note: Assuming precise linear correlation between output current and LED brightness (graph) 5 TB62719AF 2004-05-12 ...
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... Input pins with pull-down resistor. SI/PI LATCH, PI DATA0 to DATA7, BC/DCEN, LED TEST GND 4. Output terminals PO DATA0 to DATA7, SO DATA V DD GND 6. Constant-current output terminals ALARM1, 2 Parasitic diode V SS2 6 TB62719AF 1 k Ω R (DOWN) = 300 k Ω OUT 100 Ω OUT Parasitic diode 2004-05-12 ...
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... Pins for the device testing. Connect all these pins to ground. Pin attributes P: power supply/ground/other, I: input pin, O: output pin Note recommended that pins with pull-up or pull-down resistors not be left open. Ambient noise may cause malfunction of the device. Function Explanation 7 TB62719AF 2004-05-12 ...
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... BLANK, LED TEST, TSENA, DOE DCEN, BCEN I DATA PO0 DATA OH = 4.5 V, ALARM1 OUT00 to 15 OUT V OUT00 to 15 OFF OUT V ALARM1/2 OFF OH ⎯ T opr 8 TB62719AF Unit V V mA/bit °C/W °C °C = −40 to 85°C) opr Min Typ. Max Unit 4.5 5.0 5.5 V 0.7 × ...
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... PI LATCH → PI CLK SI DATA → SI CLK t setup SI LATCH → SI CLK SI LATCH → SI CEL PI DATA → PI CLK PI LATCH → PI CLK SI DATA → SI CLK t hold SI LATCH → SI CLK SI LATCH → SI CEL 9 TB62719AF Min Typ. Max Unit ⎯ ⎯ 10 ⎯ ⎯ 15 MHz ⎯ ⎯ ...
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... T opr Settings * 6a PI DATA = 1/2 PI CLK SI DATA = 1/2 SI CLK PI CLK = SI CLK = PWMCLK = 20 MHz = 25° opr DD5 Settings * 6a = − 40°C, T opr Other conditions are the same as above. 10 TB62719AF Min Typ. Max Unit V DD ⎯ ⎯ V − 0.5 ⎯ ⎯ 0.5 V ⎯ ⎯ 0.5 ⎯ ± 0.5 ± ...
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... Settings * 4a, 5a 4.5 → 5 Settings * 3a 4.5 → 5 ⎯ T sd1 ⎯ T sd2 V ALARM2 ARL ⎯ ⎯ TB62719AF = 910 kΩ) EXT Constant Output Current (typ OUT = OUT = OUT = OUT = OUT = OUT = OUT = 2 ...
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... LED TEST → OUT00 to OUT15 t pHL RESET → OUT00 to OUT15 t pHL PI CLK → PO DATA0 to PO DATA7 SEL → PO DATA0 to PO DATA7 (voltage SI SEL → SO DATA waveform) SI SEL → SO DATA 12 TB62719AF = 910 Ω) EXT Constant Output Current (typ OUT = OUT = OUT = 20 mA ...
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... DATA is synchronized with 8 clock cycle after reset, and the first data is out. 13 TB62719AF Operation and Function th positive edge of SI CLK th clock cycle after Data held on positive edge of SI LATCH after the data transfer by two ...
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... SO DATA is synchronized with 128 clock cycle after reset, and the first data is out. Data held on positive edge of SI LATCH after data transfer by two devices (after 256 clock cycles) 14 TB62719AF Operation and Function th positive edge of SI CLK. th clock Dot adjustment data for ...
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... Output current is 100% of base 100% current value set as described (1.0) above. 15 TB62719AF Notes When SI SEL = H, 2 bits on MSB sides are corresponding to set of standard current adjustment DAC1. The output current can be set to one of 4 levels. Notes ...
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... DAC4 (6-bit DAC) OUT00 Standard current adjustment data (2 bits) D-F/F D-F/F D-F/F D-F/F D-F/F SI REG1 (7) D-LAT D-LAT D-LAT D-LAT D-LAT Dot adjustment data (6 bits) × × SI REG2 (7) SI REG2 (120) DAC4 (6-bit DAC) 16 TB62719AF SO DATA MSB Not used SO DATA × × SI REG2 (127) MSB OUT15 2004-05-12 ...
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... PO DATA is synchronized with 1 clock cycle after reset, and the first data is out. 110_11110 111_11111 110_11110 PO DATA is synchronized with 2 cycle after reset, and the second data is out. st clock 17 TB62719AF th 101_11101 Data held on positive edge of PI LATCH after the data transfer by two devices (2 clock cycles) nd ...
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... PWM data for OUT00 st (1 device) 00H 01H 02H th PO DATA is synchronized with 16 clock cycle after reset, and the first data is out. 18 TB62719AF Operation and Function th positive edge of 0EH 0FH 10H 0FH 10H 01H Data held on positive edge of PI LATCH after data transfer by ...
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... Operation and Function Normal operating mode. Delay time in PO DATA [7:0] can be Same as in the specification. varied using 2 bits of dot adjustment register SI REG [127:126]. Small delay mode. Switching Characteristics are minimized for compare to the values in the specification. 19 TB62719AF Notes 2004-05-12 ...
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... Initial state after input of DCEN 100% signal: 100% of base current (1.0) value set as described above 20 TB62719AF Notes When PI SEL = H is selected, 3 bits on MSB sides are corresponding to set of total dot adjustment by PWM frequency dividing. PI REG [7:5] varies the pulse ...
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... MSB PWM pulse data LSB PI REG2 [120] PWM pulse generator circuit OUT00 21 TB62719AF Notes When PI SEL = L, The PWM grayscale controls the output pulse width. 1 word (8 bits) × 16 are transferred in parallel. 1 word is the PWM data of each output pulse width is set in 256 step. ...
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... TB62719AF DAC4 (6 bit) Current Rate3 No. Input Data Current Rate4 **1.000 63 111111 1.000 0.984 62 111110 0.987 0.968 61 111101 0.975 0.952 60 111100 0.962 ...
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... Note: If the second decimal is less than five, round off to the first decimal place. If the second decimal is more than five, round up to the first decimal place. DAC 6.3 6.4 6.6 6.7 6.8 7.0 7.1 12.6 12.9 13.1 13.4 13.7 13.9 14.2 18.9 19.3 19.7 20.1 20.5 20.9 21.3 25.2 25.8 26.3 26.8 27.3 27.9 28.4 DAC 8.4 8.6 8.7 8.8 9.0 9.1 9.2 16.8 17.1 17.4 17.6 17.9 18.2 18.4 25.3 25.7 26.1 26.5 26.9 27.3 27.7 33.7 34.2 34.8 35.3 35.8 36.3 36.9 DAC 10.5 10.7 10.8 10.9 11.1 11.2 11.3 21.1 21.3 21.6 21.9 22.1 22.4 22.7 31.6 32.0 32.4 32.8 33.2 33.6 34.0 42.2 42.7 43.2 43.8 44.3 44.8 45.3 DAC 12.7 12.8 12.9 13.1 13.2 13.3 13.5 25.3 25.6 25.8 26.1 26.4 26.6 26.9 38.0 38.4 38.8 39.2 39.6 40.0 40.4 50.6 51.2 51.7 52.2 52.7 53.3 53.8 23 TB62719AF Unit [mA 7.2 7.4 7.5 7.6 7.8 14.5 14.7 15.0 15.3 15.5 21.7 22.1 22.5 22.9 23.3 28.9 29.5 30.0 30.5 31 9.4 9.5 9.6 9.7 9.9 18.7 19.0 19.2 19.5 19.8 28.1 28.4 28.8 29.2 29.6 37.4 37.9 38.5 39.0 39 11.5 11.6 11.7 11.9 12.0 22.9 23.2 23.5 23.7 24.0 34.4 34.8 35.2 35.6 36.0 45.9 46.4 46.9 47.5 48 13.6 13.7 13.8 14.0 14.1 27.2 27.4 27.7 28.0 28.2 40.8 41.2 41.5 41.9 42.3 54.3 54.9 55.4 55.9 56.5 2004-05-12 ...
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... Output open detection operates when the LED string is disconnected for the specified period. The device incorporates pulse cancel circuit to avoid detecting instantaneous errors, for example, output switching noise. However, if there is no input on PWMCLK, ALARM2 output will not be turned ON (low level). 24 TB62719AF Function ⎯ ⎯ 2004-05-12 ...
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... ON ○ Forced OFF (low level) ON ○ Forced OFF (low level) 25 TB62719AF Constant- Current Output 16 OUT00 to OUT15 Function Device reset Outputs operate normally. Device reset ALARM1 goes Low, indicating a rise in temperature. Outputs operate normally. Even after a reset, if the junction temperature is high, outputs are forced OFF ...
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... Holds PWM data, output-ON data and total dot adjustment data. Selects input of total dot adjustment High-Impedance The data read with 1st time 26 TB62719AF Output ON The data read with 1st time Output ON & data transfer Selects input of PWM data and output-ON data. ...
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... BLANK (5) = (1/ (4/8PWMCLK) ) × 256 t BLANK (4) = (1/ (3/8PWMCLK) ) × 256 t BLANK (3) t BLANK (2) Maximum PWM control time t . BLANK . BLANK . BLANK 27 TB62719AF Output can be turned ON. ON OFF = (1/ (8/8PWMCLK) ) × 256 = (1/ (2/8PWMCLK) ) × 256 = (1/ (1/8PWMCLK) ) × 256 BLANK (1) 2004-05-12 ...
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... CLK) PI DATA [7:0] 50% (SI DATA) t setup PO DATA [7:0] (SO DATA SEL (SI SEL CLK (SI CLK) PI CLK 50% (SI CLK) PI DATA [7:0] (SI DATA) PI SEL 50% (SI SEL) t setup 50% 50% 50% t hold 50 50% 50% 50% 50 hold setup hold 28 TB62719AF 50% pd 50% 2004-05-12 ...
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... FLIP/ FLOP DATA) PI LATCH (SI LATCH SEL (SI SEL DATA [7:0] (SO DATA) PI SEL 50% (SI SEL) PO DATA [7:0] 50% (SO DATA DOE vs PO DATA [7:0] DOE PO DATA [7: 50% 50 setup hold 50% 50 wltH wltL 50% 50 50% t pzH/zL 29 TB62719AF 50% 50% t pzH/zL 2004-05-12 ...
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... OUT [15:0] (current waveform) 2. RESET vs OUT [15:0] BLANK RESET OUT [15:0] (current waveform) 3. LED TEST vs OUT [15:0] LED TEST OUT [15:0] (current waveform wblkL wblkH 50% 50% Maximum delay time is 1 PMCLK cycle. 50% t pLH t wrstL 50% 50% 50% t pLH 50% 30 TB62719AF 50% 50% t pHL 50% 50% t pHL 50% 2004-05-12 ...
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... Package Dimensions Weight: 0.26 g (typ.) 31 TB62719AF 2004-05-12 ...
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... 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. 32 TB62719AF 2004-05-12 ...
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... DC voltage will increase. If this output voltage is connected to a speaker with low input withstand voltage, overcurrent or IC failure can cause smoke or ignition. (The over current can cause smoke or ignition from the IC itself.) In particular, please pay attention when using a Bridge Tied Load (BTL) connection type IC that inputs output DC voltage to a speaker directly. 33 TB62719AF 2004-05-12 ...
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... 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. 34 TB62719AF 2004-05-12 ...
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... TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of TOSHIBA or others. 021023_C • The products described in this document are subject to the foreign exchange and foreign trade laws. 021023_D 021023_B 060106_Q 35 TB62719AF 060116EBA 021023_E 2004-05-12 ...