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Toshiba Electronic Components Datasheet

TC62D749AFG Datasheet

16-Output Constant Current LED Driver

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TC62D749AFG/AFNAG/BFNAG
TOSHIBA CDMOS Integrated Circuit Silicon Monolithic
TC62D749AFG, TC62D749AFNAG, TC62D749BFNAG
16-Output Constant Current LED Driver (Output switching high-speed version)
TC62D749 series are an LED driver with a sink type constant
current output.
It is the best for lighting the LED module and the LED display.
This IC consists of a constant current output circuit of 16
outputs, a shift register of 16 bits, a latch of 16 bits, and 16 AND
gates.
The output current of 16 outputs can be set by one external
resistance.
Moreover, high-speed data transfer is possible by adoption of a
CMOS process.
This IC can operate with the power supply voltage of a 3.3 V
system and a 5 V system.
TC62D749AFG
SSOP24-P-300-1.00B
TC62D749AFNAG/BFNAG
SSOP24-P-150-0.64
Features
Power supply voltages
: VDD = 3.3 V to 5.0 V
Weight
SSOP24-P-300-1.00B : 0.29 g (typ.)
SSOP24-P-150-0.64: 0.14 g (typ.)
16-output built-in
Output current setting range
: IOUT = 1.5 to 90 mA
Current accuracy (@ REXT = 1.2 kΩ, VOUT = 1.0 V, VDD = 3.3 V, 5.0 V)
: S rankBetween outputs ± 1.5 % (max)
: S rankBetween devices: ± 1.5 % (max)
: N rankBetween outputs ± 2.5 % (max)
: N rankBetween devices: ± 2.5 % (max)
Output voltage
: VOUT = 17 V (max)
Output switching characteristic
: twOE = 25 ns (min), tor = 10ns (typ.), tof = 10ns (typ.)
There is TC62D748 as an output switching standard-speed version of this product.
Input signal voltage level
: 3.3 V and 5.0 V CMOS interfaces
(Schmitt trigger input)
Serial data transfer rate
: 25 MHz (max) @cascade connection
Operation temperature range
: Topr = −40 to 85 °C
Power-on-reset function built-in
: When the power supply is turned on, internal data is reset.
Package
: AFG type
SSOP24-P-300-1.00B
: AFNAG type
SSOP24-P-150-0.64
: BFNAG type
SSOP24-P-150-0.64
Please ask Toshiba sales dept or agent for details for products’ name.
When the LED driver of high-speed output switching is used, back EMF may occur at the time of output OFF, and
output terminal voltage may rise. Please be careful. It is necessary to reduce inductance to prevent the back EMF. It
is possible to reduce inductance of a substrate by making the power supply for LED wiring shorter and wider
designing the layout pattern.
1
2011-02-10


Toshiba Electronic Components Datasheet

TC62D749AFG Datasheet

16-Output Constant Current LED Driver

No Preview Available !

Block Diagram
VDD
OE
SLAT
SIN
SCK
OUT0 OUT1
OUT15
TC62D749AFG/AFNAG/BFNAG
OUT0
OUT1
Constant current outputs
OUT15
Q0 Q1
Q15
16-bit D-latch
R
G
D0 D1
D15
D0
Q0 Q1
Q15
D15
16-bit shift register
R
VDD
B.G
POR
GND
REXT
SOUT
2
2011-02-10


Part Number TC62D749AFG
Description 16-Output Constant Current LED Driver
Maker Toshiba
PDF Download

TC62D749AFG Datasheet PDF






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