TB62726AN Datasheet, PDF (2/18 Pages) Toshiba Semiconductor – 16-bit Constant-Current LED Driver with Operating Voltage of 3.3-V and 5-V

Pin Assignment (top view)
TB62726AN/AF
GND
SERIAL-IN
CLOCK
LATCH
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
V_DD
R-EXT
SERIAL-OUT
ENABLE
OUT15
OUT14
OUT13
OUT12
OUT11
OUT10
OUT9
OUT8
Warnings: Short-circuiting an output terminal toGND or to the power supply terminal may broken the device.
Please take care when wiring the output terminals, the power supply terminal and the GND terminals.
Block Diagram
R-EXT
I-REG
OUT0
OUT1
OUT15
ENABLE
LATCH
Q
ST D
Q
ST D
Q
ST D
SERIAL-IN
CLOCK
DQ
CK
DQ
CK
DQ
CK
SERIAL-OUT
Truth Table
CLOCK
LATCH
ENABLE
SERIAL-IN
OUT0 … OUT7 … OUT15
SERIAL-OUT
H
L
Dn
Dn … Dn − 7 … Dn − 15
Dn − 15
L
L
Dn + 1
No change
Dn − 14
H
L
Dn + 2
Dn + 2 … Dn − 5 … Dn − 13
Dn − 13
X
L
Dn + 3
Dn + 2 … Dn − 5 … Dn − 13
Dn − 13
X
H
Dn + 3
OFF
Dn − 13
Note 1: OUT0 to OUT15 = On when Dn = H; OUT0 to OUT15 = Off when Dn = L.
In order to ensure that the level of the power supply voltage is correct, an external resistor must be
connected between R-EXT and GND.
2
2006-06-14