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Toshiba Electronic Components Datasheet

TC62D723FTAG Datasheet

16-Output constant current LED driver

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TC62D723FTAG
TOSHIBA CDMOS Integrated Circuit Silicone Monolithic
TC62D723FTAG
16-Output constant current LED driver with the output gain control function and the PWM grayscale function
1.General
The TC62D723FTAG is LED drivers which have the sink-type
constant current output.
The output gain control function of 8-bit and the PWM grayscale
function of 16, 14, 12, and 10-bit are built into this IC.
Output current value of 16 channels is set by one external
resistance.
In addition, the thermal shutdown function, the output open
detection function, and the output short detection function are built
in.
This IC is most suitable for lighting the LED module and the display.
2.Features
TC62D723FTAG
P-WQFN24-0404-0.50
Weight
P-WQFN24-0404-0.50 : 0.03 g (Typ.)
Supply voltage
16-output built-in
: VDD = 3.0 to 5.5 V
Output current setup range
: IOUT = 1.5 to 90 mA
Constant current output 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
I/O interface
: VOUT = 17 V (MAX)
: CMOS interfaces (Input of a schmitt trigger)
Data transfer frequency
: fSCK = 30 MHz (MAX)
PWM frequency
: fPWM = 33 MHz (MAX)
Operation temperature range : Topr = −40 to 85 °C
8-bit (256 steps) output gain control function built-in.
PWM grayscale function built-in. (PWM resolution is selectable)
16-bit (65536 steps), 14-bit (16384 steps)
12-bit (4096 steps), 10-bit (1024 steps)
Selection of the one-shot output PWM mode or the repeat PWM output mode is possible.
Thermal shutdown function (TSD) built-in.
Output error detection function built-in.
This function has the automatic operation and the command
input manual operation.
Output open detection function (OOD) and output short
detection function (OSD) built-in.
Power-on-reset function built-in. (When the power supply is turned on, internal data is reset)
Stand-by function built-in. (IDD=1μA at standby mode)
Output delay function built-in. (Output switching noise is reduced)
Package
: P-WQFN24-0404-0.50
For detailed part naming conventions, contact your local Toshiba sales representative or distributor.
1 2012-03-19


Toshiba Electronic Components Datasheet

TC62D723FTAG Datasheet

16-Output constant current LED driver

No Preview Available !

3.Block Diagram
TC62D723FTAG
OUT0 OUT1 ▪▪▪▪▪▪▪▪▪▪ OUT15
PWMCLK
Error detection result
data register
16
16 Output open/short detection circuit
POR
circuit
S0 (S1)
S1
S2
S3 (S1)
S4
S5 (S6)
PWM
countor
Constant current output circuit
16 Output delay circuit
0-bit
15-bit
Output ON/OFF setting data register
TSD
circuit
Reference
voltage
8-bit
DAC
8
VDD
GND
REXT
TRANS
SIN
SCK
POD
circuit
Command
control
circuit
16 16
16
16-bit
PWM Data
for OUT0
PWM data registor
16-bit ▪▪R▪▪egistor3▪▪
16-bit
PWM Data for outputPWM Data
for OUT1
for OUT15
16
16-bit
PWM Data
PW1M6-bD1ita6tafoRr seygnicshtroonro2us
16
16-bit
PWM Data
16 for OUT0 16 for OUT1
16 for OUT15
16 16
16
6 ビット
6 ビット
6 ビット
16-bit
PWM Data
16-bit
PWM Data
▪▪R▪▪egisto▪▪r1▪▪
16-bit
PWM Data
16 for OUT0 for OUT1
for OUT15
16 16
16
Data transfer control circuit
16 16
0-bit
15-bit
16-bit shift registor
F/F
16-bit × 2
State setting
register
16
SOUT
selection
circuit
SOUT
2 2012-03-19


Part Number TC62D723FTAG
Description 16-Output constant current LED driver
Maker Toshiba
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