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TOSHIBA
T B 6 2 7 2 5 P / F / FN
TOSHIBA Bi-CMOS INTEGRATED CIRCIUTS SILICON MONOLITHIC
TB62725P/F/FN
8BIT CONSTANT CURRENT LED DRIVER OF OPERATING VOLTAGE 3.3V
TB62725 series is the constant current driver designed for LED and the LED display. Output current value is set with one resistor with the outside. Then, all the output becomes the about same current. This driver builds in the constant current output of eight bits, the shift register of eight bits, the latch of eight bits and gate circuit. This driver is designed by using the BI-CMOS process. FEATURE *Output Current Capability and the number of the output : 90mA X 8 outputs *Constant Current Range : 5 to 90mA *Application Output Voltage : 0.7V (output current 40 to 80 mA) 0.4V (output current 5 to 40 mA) *For Annode Common LED *Input Signal Voltage Level : 3.3V CMOS Level (Shmitt Triggered Input) *Power Supply Voltage Range VDD=3.0 to 3.6V *Muximum output terminal voltage 17V *Serial and Pararell Data Transfer Rate : 20MHz (max, Cascade Connection) *Operation Temperature Range : Topr= -40 to 85 degrees *Package : Type P : DIP16-P-300-2.56A Type F : SSOP16-P-225-1.00 Type FN : SSOP16-P-225-0.65 *Package and Pin Layout : Same as the TB62705 series. *Constant Current Error bitween bits ( All Output On )
Output Voltage >= 0.4V >= 0.7V Current Error between bits +/- 6% Current Error between ICs +/- 15% Output Current 2 to 40 mA 2 to 90 mA Weight : 1.11 g(Typ.) - - - Type P 0.14 g(Typ.) - - - Type F 0.07 g(Typ.) - - - Type FN TB62725P
DIP16-P-300-2.56A TB62725F
SSOP16-P-225-1.00
TB62725FN
SSOP16-P-225-0.65
Pin layout (TOP VIEW)
GND SERIAL-IN CLOCK /LATCH OUT0 OUT1 OUT2 OUT3 VDD R-EXT SERIAL-OUT /ENABLE OUT7 OUT6 OUT5 OUT4
marktech optoelectronics
120 Broadway Menands, New York 12204 Toll Free: (800) 98-4LEDS Fax: (518) 432-7454
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BLOCK DIAGRAM
R-EXT
I-REG
T B 6 2 7 2 5 P / F / FN
OUT0
OUT1
OUT7
/ENABLE
Q ST D
Q ST D
Q ST D
/LATCH
SERIAL-IN
D CK
Q
D CK
Q
D CK
Q
SERIAL-OUT
CLOCK
TRUTH TABLE
CLOCK UP UP UP DOWN DOWN /LATCH H L H X X /ENABLE L L L L H SERIAL-IN Dn Dn+1 Dn+2 Dn+3 Dn+3 OUT0 --- OUT5 --- OUT7 Dn --- Dn-5 --- Dn-7 No Change Dn+2 --- Dn-3 --- Dn-5 Dn+2 --- Dn-3 --- Dn-5 Off SERIAL-OUT Dn-7 Dn-6 Dn-5 Dn-5 Dn-5
Note) "OUT0 to 7 = On" in case of Dn= "H" Level and "OUT0 to 7 = Off" in case of Dn= "L" Level. A resistor is connected with R-EXT and GND accompanied with outside, and it is necessary that a correct power supply voltage is supplied.
TIMING DIAGRAM
CLOCK SERIAL-IN /LATCH /ENABLE OUT0 OUT1 OUT3 OUT7 SERTIAL-OUT
5V 0V 5V 0V 5V 0V 5V 0V On Off On Off On Off
On Off 5V 0V
Note) Latches are level sensitive, not rising edge sensitive and not syncronus 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 ( OUT0 to 7 ) off.
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TOSHIBA
TERMINAL DISCRIPTION
PIN No. 1 2 3 4 5~12 13 14 15 16 PIN NAME GND SERIAL-IN CLOCK /LATCH OUT0 to 7 /ENABLE SERIAL-OUT R-EXT VDD GND terminal for control logic. Input terminal of a serial-data for shift-register Input terminal of a clock for data shift to up-edge.
T B 6 2 7 2 5 P / F / FN
FUNCTION
LATCH-terminal, and hold data with "L" level input.
Output terminals.
Input terminal of a data strobe. Latches passes data with "H" level input of
Input terminal of output enable. All outputs (OUT0 to 7) do off with "H" level input of ENABLE-terminal, and do on with "L" level input.
Output terminal of a serial-data for next SERIAL-IN terminal. Input terminal of connects with a resister for to set up all output current. 5V Supply voltage terminal
EQUIVALENT CIRCUIT OF INPUTS AND OUTPUTS 1. /ENABLE Terminal
VDD R(UP)
2. /LATCH Terminal
VDD
/ENABLE GND
/LATCH
GND
R(DOWN)
3. CLOCK,SERIAL-IN Terminal
VDD CLOCK, SERIAL - IN GND
4. SERIAL-OUT Terminal
VDD
8th DATA GND
SERIAL - OUT
5. OUT0 to 7 Terminal
OUT 0 to 7
GND
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120 Broadway Menands, New York 12204 Toll Free: (800) 98-4LEDS Fax: (518) 432-7454
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MAXIMUM RATINGS ( Ta = 25degC )
CHARACTERISTICS Supply Voltage Input Voltage Output Current Output Voltage Power Dissipation SYMBOL VDD VIN IOUT VOUT Pd1 Pd2 Thrmal Resistance Rth(j-a)1 Rth(j-a)2 Oparating Temperature Storage Temperature Topr Tstg RATING 0 to 7 -0.2 to VDD+0.2 +90 -0.5 to 17 Type P : 1.47(Free Air)
T B 6 2 7 2 5 P / F / FN
UNIT V mA/ch V W
Type F and FN : 0.37 (Free Air), 0.78 (On PCB) Type P : 85(Free Air) Type F and FN : 330 (Free Air),160 (On PCB) -40 to 85 -55 to 150 degC degC/W
Note) Type P : Ambient temperature delated above 25degC in the proportion of 11.76 mW/degC. Type F and FN : Ambient temperature delated above 25degC in the proportion of 7.69 mW/degC. Condition) On PCB at 50 X 50 X 1.6mm Cu <= 40% ( Glass Epoxy PCB )
RECOMMENDED OPERATING CONDITION (Ta=-40 to 85degC unless otherwise noted)
CHARACTERISTICS Supply Voltage Output Voltage Output Current SYMBOL VDD VOUT IOUT IOH IOL Input Voltage VIH VIL Clock Frequency /LATCH Pulse Width CLOCK Pulse Width /ENABLE Pulse Width Setup Time for CLOCK Terminal Hold Time for CLOCK Terminal Setup Time for /LATCH Terminal fCLK tw /LATCH tw CLOCK tw /ENABLE Cascade Connected 50 25 0.7VDD -0.15 Each DC 1 Circuit SERIAL-OUT 2 CONDITION MIN. 3 TYP. 3.3 0.7 MAX. 3.6 4 70 -1 1 VDD +0.15 0.3VDD 20 MHz V UNIT V V mA/ch mA
Upper IOUT = 20 mA
Lower IOUT = 20 mA
2000 4500 10 5 50 ns
tsetup1 thold tsetup2
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CHARACTERISTICS Supply Voltage Output Current Output Current Error bitween bits Output Leakage Current Input Voltage SYMBOL VDD IOUT1 IOUT2 dIOUT1 dIOUT2 IOZ VIH VIL SOUT Terminal Output Voltage Output Currnet Supply Voltage Reguration Pull up Resistor Pull down Resistor VOL VOH %/VDD R(up) R(down) IDD(OFF)1 IDD(OFF)2 Supply Current IDD(OFF)3 I ON) DD( 1 I ON) DD( 2 IOH=+1mA IOL=-1mA VDD = 3V to 3.6V /ENABLE Terminal /LATCH Terminal REXT=OPEN,VOUT=15.0V REXT=490Ohms, VOUT=15V,OUT0 to 7 are Off. REXT=250Ohms, VOUT=15V,OUT0 to 7 are Off. REXT=490Ohms, VOUT=0.7V,OUT0 to 7 are On. Same as the avobe , Ta=-40degC REXT=250Ohms, VOUT=0.7V,OUT0 to 7 are On. Same as the avobe , Ta=-40degC CONDITION Normal Operation VOUT=0.4V,REXT=490ohms VOUT=0.7V,REXT=250ohms VOUT>=0.4V,REXT=490ohms All outout on. VOUT>=0.7V,REXT=250ohms All outout on. VOUT=15.0V
T B 6 2 7 2 5 P / F / FN
ELECTRICAL CHARACTERISTICS (VDD=3.3V, Ta=25degC unless otherwise noted)
MI N 3. 0 31.9 62.6 TYP 3.3 37.5 73.6 +/-1.5 +/-1.5 1.0 0.7 VDD GND 2.8 +/-1.5 100 125 1 3 200 250 1 3 6 7 14 13 25 MAX 3.6 43.1 84.6 +/-6 +/-6 5.0 VDD 0.3 VDD 0.4 +/-5.0 400 500 2 5 8 mA uA UNIT V mA %
V % kohms
SWITCHING CHARACTERISTICS (Ta=25degC unless otherwise noted)
CHARACTERISTICS SYBOL tpLH1 tpLH2 tpLH3 tpLH tpHL1 tpHL2 tpHL3 tpHL t or t of tr tf TEST CONDITION CLK - OUTn, /LATCH="H",/ENABLE="L" /LATCH - OUTn, /ENABLE="L" /ENABLE - OUTn, /LATCH="H" CLK - SERIAL OUT CLK - OUTn, /LATCH="H",/ENABLE="L" /LATCH - OUTn, /ENABLE="L" MIN TYP 140 140 140 5 170 170 170 6 70 90 5 5 ns MAX UNIT
Propagation Delay Time
/ENABLE - OUTn, /LATCH="H"
CLK - SERIAL OUT Voltage Waveform 10% to 90% Voltage Waveform 90% to 10%
Output Rise Time Output Fall Time Muximum CLOCK Rise Time Muximum CLOCK Fall Time
Cascade connection isn't guarantee. (Note1)
us
Condition : (Refer to test circuit.) Ta= 25 degC, VDD=VIH=3.3V, VOUT=0.7V, VIL=0V, REXT=490ohms, VL=3.0V, RL=60ohms, CL=10.5pF Note 1 : When tf / tf of clock wave form is enlarged at the time as the cascade connection, the timing condition which is necessary for the data transfer may not be able to be secured. Give careful consideration to the timing condition.
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120 Broadway Menands, New York 12204 Toll Free: (800) 98-4LEDS Fax: (518) 432-7454
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TEST CIRCUIT
T B 6 2 7 2 5 P / F / FN
IDD
VIH,VIL /ENABLE Function Generator CLOCK /LATCH
VDD OUT0
RL
IOL OUT7 SERIAL-OUT GND CL
CL
SERIAL-IN LOGIC INPUT WAVEFORM Iref VDD=VIH=3.3V VIL=0V tr = tf = 10ns (10% to 90%) R-EXT
VL
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120 Broadway Menands, New York 12204 Toll Free: (800) 98-4LEDS Fax: (518) 432-7454
TOSHIBA
TIMING WAVEFORM
1. CLOCK ,SERIAL-IN, SERIAL-OUT tw CLK
T B 6 2 7 2 5 P / F / FN
CLOCK
50%
50%
SERIAL IN
50%
t SETUP1 t HOLD
50%
SERIAL-OUT
50% tpLH/tpHL
2. CLOCK, SERIAL-IN , /LATCH, /ENABLE, OUTn CLOCK 50%
SERIAL IN
/LATCH
t SETUP2
50% tw LAT
50%
tw ENA /ENABLE t SETUP2 50% 50%
OUTn tpHL1/LH1 tpHL2/LH2 3. OUTn 90% OUTn 10% tof 10% tor
50%
tpHL3/LH3 90%
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120 Broadway Menands, New York 12204 Toll Free: (800) 98-4LEDS Fax: (518) 432-7454
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OUTPUT CURRNET vs Duty (LED Turn On Rate)
DUTY(%)-IOUT(mA) On PCB Topr=25degC VDD=3.3V, Vce=1.0(V), Tj=120(degC max)
100 90 80 70 60 50 40 30 20 10 0 0 20 40 60 80 100 DUTY - Turn On Rate (%) TB62725F/FN TB62725P 100 90 80 70 60 50 40 30 20 10 0 0 20
T B 6 2 7 2 5 P / F / FN
DUTY(%)-IOUT(mA) On PCB Topr=55degC VDD=3.3V, Vce=1.0(V), Tj=120(degC max)
IOUT(mA)
IOUT(mA)
TB62725F/FN TB62725P 40 60 80 100
DUTY - Turn On Rate (%)
DUTY(%)-IOUT(mA) On PCB Topr=85degC VDD=3.3V, Vce=1.0(V), Tj=120(degC max)
100 90 80 70 60 50 40 30 20 10 0 0 20 40 60 80 100 DUTY - Turn On Rate (%) TB62725F/FN TB62725P
marktech optoelectronics
120 Broadway Menands, New York 12204 Toll Free: (800) 98-4LEDS Fax: (518) 432-7454
IOUT(mA)
TOSHIBA
OUTPUT CURRNET vs Duty (LED Turn On Rate) ** Comparison in VDD=5V of TB62705 and TB6272
TB62705 & 725 DUTY(%)-IOUT(mA) On PCB Topr=25degC VDD=5.0V, Vce=1.0(V), Tj=120(degC max)
100 90 80 70 60 50 40 30 20 10 0 0 20 40 60 80 100 DUTY - Turn On Rate (%) TB62725F/FN TB62725P TB62705CF/CFN TB62705CP
T B 6 2 7 2 5 P / F / FN
TB62705 & 725 DUTY(%)-IOUT(mA) On PCB Topr=55degC VDD=5.0V, Vce=1.0(V), Tj=120(degC max)
100 90 80 70 60 50 40 30 20 10 0 0 20 40 60 80 100 DUTY - Turn On Rate (%) TB62725F/FN TB62725P TB62705CF/CFN TB62705CP
IOUT(mA)
IOUT(mA)
Ta(degC) - Pd(w)
1.6 1: F/FN(OnPCB) 1.4 1.2 Power dissipation PD (W/IC) 1 IOUT(mA) 0.8 0.6 0.4 0.2 0 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 2: P(FreeAir)
TB62705 & 725 DUTY(%)-IOUT(mA) On PCB Topr=85degC VDD=5.0V, Vce=1.0(V), Tj=120(degC max)
100 90 80 70 60 50 40 30 20 10 0 0 20 40 60 80 100 DUTY - Turn On Rate (%) TB62725F/FN TB62725P TB62705CF/CFN TB62705CP
Ambient Temperature Ta (deg)
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TOSHIBA
OUTPUT CURRNET vs REXT RESISTOR
TB62725P/F/FN REXT-IOUT (Topr)
VDD=3.3(V), VCE=0.7(V)
T B 6 2 7 2 5 P / F / FN
90 80 70 60 IOUT(mA) 50 40 30 20 10 0 100 1000 REXT(Ohms)
IOUT[mA]=(1.14/REXT[ohms])*16 -- Theory formula
Topr=-40(degC) Topr=+25(degC) Topr=+85(degC)
10000
APPLICATION NOTES(1 of 2)
TB62725P/F/FN application circuit (a general example)
1 : Vf of LED is Vf=2.5 (V max). 2 : Output saturation Vce1 = 0.4(V min) at Iout <= 40(mA) of TB62725. 3 : Output saturation Vce2 = -0.25(V max) at Ic = -1(A) of TD62M8600F. 4 : TB62725 can move with VDDopr = 3 to 3.6(V). 5 : When a necessary voltage to 1 from 3 is summed up, the total voltage is less than 3.3(V), and this circuit can move with VLED = VDD = 3.3 (V min).
TB62725 Series recommend VLED=VDD= 3.3(V min) and data transfer of fclk=20(MHz) is possible at cascade connection.
Example) TD62M8600F 8-bit Multi-Chip PNP Tr Array, which is not used in Static Lighting System.
Not Connect Resistor
SCAN O0 O1 O2 O5 O6 O7 S-OUT O0 O1 O2 O5 O6 O7 S-OUT VLED
S-IN
C.U.
ENA LAT CLK
8-bit SIPO,Latches & Constant Sink Current Drivers
S-IN ENA LAT CLK
8-bit SIPO,Latches & Constant Sink Current Drivers
TB62725P/F/FN
TB62725P/F/FN
r2
r1
r1
r1 : Resistance for a setup of output current. r2 : Resistance for the LED module brightness adjustment.
This device owns only one ground pin that means signal ground pin and power ground pin are common. If ground pattern layout contains large inductance and impedance, and the voltage between ground and LATCH, CLOCK terminals exceeds 0.5*Vdd by switching noise in operation, this device may miss-operate. So we would lile you to pay attention to pattern layout to minimize inductance.
marktech optoelectronics
120 Broadway Menands, New York 12204 Toll Free: (800) 98-4LEDS Fax: (518) 432-7454
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APPLICATION NOTES(2 of 2)
TB62725P/F/FN application circuit (the case of VLED>17(V) )
Example : An unnecessary voltage in the case of VLED>17(V) makes a voltage descend by the Zener diode.
T B 6 2 7 2 5 P / F / FN
Example) TD62M8600F 8-bit Multi-Chip PNP Tr Array, which is not used in Static Lighting System.
SCAN O0 O1 O2 O5 O6 O7 S-OUT S-IN ENA LAT CLK O0 O1 O2 O5 O6 O7 S-OUT VLED
S-IN
C.U.
ENA LAT CLK
8-bit SIPO,Latches & Constant Sink Current Drivers
8-bit SIPO,Latches & Constant Sink Current Drivers
TB62725P/F/FN
TB62725P/F/FN
r2
r1
r1
r1 : Resistance for a setup of output current. r2 : Resistance for the LED module brightness adjustment.
TB62725P/F/FN application circuit (with VLED<=17(V), the case of the over-saturation)
Example : An over-saturation voltage makes a voltage descend by the resistance with the outside. Condition : 1 : Turn on LED with Iout=20(mA). 2 : LED of Vf=2.5( V max). 3 : saturation voltage =0.4(V min) at Ic= 20(mA) of TB62725 4 : saturation voltage =0.25(V min) at Ic= 320(mA) of TD62M8600F Connect R1, and decrease the heat losses of the IC. r3= ( 15-0.4-LED Vf*1 - 0.25 ) /20mA =592.5(Ohms)
Example) TD62M8600F 8-bit Multi-Chip PNP Tr Array, which is not used in Static Lighting System.
r3
r3
SCAN O0 O1 O2 O5 O6 O7 S-OUT S-IN ENA LAT CLK O0 O1 O2 O5 O6 O7 S-OUT
S-IN
VLED
C.U.
ENA LAT CLK
8-bit SIPO,Latches & Constant Sink Current Drivers
8-bit SIPO,Latches & Constant Sink Current Drivers
TB62725P/F/FN
TB62725P/F/FN
r2
r1
r1
r1 : Resistance for a setup of output current. r2 : Resistance for the LED module brightness adjustment.
marktech optoelectronics
120 Broadway Menands, New York 12204 Toll Free: (800) 98-4LEDS Fax: (518) 432-7454
TOSHIBA
T B 6 2 7 2 5 P / F / FN
marktech optoelectronics
120 Broadway Menands, New York 12204 Toll Free: (800) 98-4LEDS Fax: (518) 432-7454
TOSHIBA
T B 6 2 7 2 5 P / F / FN
marktech optoelectronics
120 Broadway Menands, New York 12204 Toll Free: (800) 98-4LEDS Fax: (518) 432-7454
TOSHIBA
T B 6 2 7 2 5 P / F / FN
marktech optoelectronics
120 Broadway Menands, New York 12204 Toll Free: (800) 98-4LEDS Fax: (518) 432-7454
TOSHIBA
T B 6 2 7 2 5 P / F / FN
The information contained herein is subject to change without notice. The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patens 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. TOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to observe standards of safety, and to avoid situations in which a malfunction or failure of a TOSHIBA product could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within spacified operating ranges as set forth in the most recent products spacifications. Also, please keep in mind the precautions and conditions set forth in the TOSHIBA Semiconductor Reliability Handbook. The products described in the document may include products subject to foreign exchange and foreign trade control laws.
(C) 2000 TOSHIBA CORPORATION ALL RIGHT Reserved
marktech optoelectronics
120 Broadway Menands, New York 12204 Toll Free: (800) 98-4LEDS Fax: (518) 432-7454

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