TOSHIBA Bi-CMOS
OSHIBA
Curr
Interface Driv
Constant Cur rent Interface Driver
TB62701AN
16 Bit Constant Current LED Driver with Shift Register and Latch Functions
Product Description:
The TB62701AN is specifically designed for LED display applications. The Bi-CMOS device has
16 Bi-polar constant current output channels and includes CMOS shift register and latch func-
tions.
The LED drive current is programmed by the
installation of a single resistor per device.
Current is programmable from 5-50mA and is
held constant across all 16 outputs effectively
compensating for the inherent circuit and
component variables which affect the bright-
ness of the LEDs.
TB62701AN
Features:
• 16 Constant Current Output Channels
• Current Programmable from 5-50mA
• 5V CMOS Compatible Inputs
• Supports up to a 30V LED Supply Voltage
Block Diagram:
SDIP24-P-300
Weight: 1.2g(typ)
marktech
optoelectronics
For up-to-date product info visit our web site at www.marktechopto.com
120 Broadway • Menands, New York 12204
Toll Free:
(800) 98-4LEDS
• Fax: (518) 432-7454
All specifications subject to change.
536
TOSHIBA Bi-CMOS
OSHIBA
Curr
Interface Driv
Constant Cur rent Interface Driver
TB62701AN
Timing Diagram:
Terminal Description & Pin Out:
PIN No.
1
2
3
4
24
5~12
13~20
PIN NAME
GND
SERIAL-IN
CLOCK
LATCH
V
DD
OUTn
FUNCTION
GND terminal for control logic driver
Serial data input terminal for shift register
Clock input terminal for data shift to up-edge
"H" : data through, "L" : data hold
Supply voltage terminal
Output terminals
21
22
23
ENABLE
SERIAL-OUT
R-EXT
"H" output off, "L" : latch data = "H" then output on,
latch data = "L" then output off
Serial data output terminal for shift register
The register which connects between R-EXT and GND sets the constant
output current.
marktech
optoelectronics
For up-to-date product info visit our web site at www.marktechopto.com
120 Broadway • Menands, New York 12204
Toll Free:
(800) 98-4LEDS
• Fax: (518) 432-7454
All specifications subject to change.
537
TOSHIBA Bi-CMOS
OSHIBA
Curr
Interface Driv
Constant Cur rent Interface Driver
TB62701AN
Truth Table:
INPUT
CLOCK
Up
Up
Up
Down
LATCH
H
L
∗
∗
ENABLE
L
L
H
∗
SERIAL-IN
DN
DN
DN
DN
OFF
OUT0
DN
OUTPUT OUTn (t = n)
OUT7
DN -7
No Change
OFF
No Change
OFF
OUT15
DN-15
SERIAL-OUT
DN-15
DN-15
DN-15
No Change
Equivalent Circuit of Inputs and Outputs:
Maximum Ratings:
CHARACTER
Supply Voltage
Output Voltage
Output Current
Input Voltage
GND Terminal Current
Clock Frequency
Power Dissipation
Operating Temperature
Storage Temperature
SYMBOL
VDD
VOUT
IOUT
VIN
IGND
FCLK
PD
Topr
Tstg
RATING
0~+7.0
-0.5~+30
50
-0.4~VDD + 0.4
800
2.5
1.78
-40~+85
-55~+150
UNIT
V
V
mA
V
mA
MHz
W
°C
°C
marktech
optoelectronics
For up-to-date product info visit our web site at www.marktechopto.com
120 Broadway • Menands, New York 12204
Toll Free:
(800) 98-4LEDS
• Fax: (518) 432-7454
All specifications subject to change.
538
TOSHIBA Bi-CMOS
OSHIBA
Curr
Interface Driv
Constant Cur rent Interface Driver
TB62701AN
Recommended Operating Condition
CHARACTERISTIC
Supply Voltage
Output Voltage
OUTn
Output Current
S-OUT
IOL
Input Voltage
Data Set Up Time
Data Hold Time
Latch Set Up Time
Latch Hold Time
Clock Pulse Width
tw CLK
tw LAT
Latch Pulse Width
tw LAT
Clock Frequency
Power Dissipation
fCK
PD
—
Cascade operation
Ta=85°C
300
—
—
—
2.0
0.72
ns
MHz
W
—
—
100
300
—
—
ns
ns
VIN
tsetup(D)
thold (D)
tsetup(L)
thold (L)
tw CLK
—
—
—
—
—
—
—
—
0
100
20
300
100
100
—
—
—
—
—
—
—
1.0
VDD
—
—
—
—
—
V
ns
ns
ns
ns
ns
SYMBOL
VDD
VOUT
IOUT
IOH
TEST CONDITION
—
—
DC 1 circuit
—
MIN.
4.5
—
—
—
TYP.
5.0
—
—
—
MAX.
5.5
30.0
45
-1.0
mA
UNIT
V
V
marktech
optoelectronics
For up-to-date product info visit our web site at www.marktechopto.com
120 Broadway • Menands, New York 12204
Toll Free:
(800) 98-4LEDS
• Fax: (518) 432-7454
All specifications subject to change.
539
TOSHIBA Bi-CMOS
OSHIBA
Curr
Interface Driv
Constant Cur rent Interface Driver
TB62701AN
Electrical Characteristics:
CHARACTERISTIC
SYMBOL
TEST
CIR-
CUIT
—
—
—
—
—
—
—
—
—
—
—
—
—
—
VOH=30V
IOL=+1.0mA
IOH=-1.0mA
VCE=0.7V
VCE=0.4V
REXT=560Ω
(include
∆IOL1)
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Input
Voltage
"H" level
"L" level
VIH
VIL
IOH
VOL
—
—
70%VDD
GND
—
—
4.6
35.2
33.1
—
—
—
100
—
—
—
—
—
—
—
—
41.5
39.0
±3.0
18
1.26
200
0.4
6.5
13.5
VDD
V
30%VDD
10
0.4
V
—
47.7
44.9
±7.0
—
—
400
0.6
10.0
20.0
mA
mA
mA
%
% /V
V
kΩ
µA
Output Leakage Current
Output
Voltage
S-OUT
VOH
IOL1
Output Current 1
IOL2
Delta
IOUT
Supply Voltage
Regulation
Reference Voltage
Pull Up / Down Resistor
"OFF"
IIDD (off) 2
"ON"
IDD (on)
∆IOL1
% / VDD
Vref
RIN
IIDD (off) 1
Supply
Current
REXT=560Ω
IOUT=40mA,VCE=0.4V
REXT=560Ω
REXT=560Ω, Ta=−40∼85°C
—
REXT=OPEN, OUTn=Off
REXT=560Ω, OUTn=Off
REXT=560Ω, OUTn=Off
marktech
optoelectronics
For up-to-date product info visit our web site at www.marktechopto.com
120 Broadway • Menands, New York 12204
Toll Free:
(800) 98-4LEDS
• Fax: (518) 432-7454
All specifications subject to change.
540
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