8-bit Constant Current LED Sink Driver MBI50
MBI50MBI50
MBI5001
0101
01
Macroblock, Inc. 2002
Floor 6-4, No. 18, Pu-Ting Rd., Hsinchu, Taiwan 30077, ROC.
TEL: +886-3-579-0068, FAX: +886-3-579-0069 E-mail: info@mblock.com.tw
- 1 -
Macroblock, Inc.
April 2002
Pin Out
GND
SDI
CLK
/LE
OUT0
OUT1
OUT2
OUT3 OUT4
OUT5
OUT6
OUT7
/OE
SDO
R-EXT
VDD1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
MBI5001CP
MBI5001CD
MBI5001CN
Features
8 constant current output channels
adjustable output current through
external resistor
serial data in/parallel data out
output current: 5-90 mA
20 MHz clock freq.
Product Description
The MBI5001, utilizing the most advanced Si
technology, is targeted for LED panel display. The
MBI5001 contains CMOS shift registers and latch
functions, converting serial input data into parallel
output format. At output stage, eight regulated current
sources were designed to provide 5-90 mA constant
current for driving the LEDs.
The MBI5001 provides users great flexibility and device performance while using the
MBI5001 in their LED panel system design. Users may adjust the output current of the
MBI5001 through an external resistor R-ext, which gives users flexibility in controlling the
light intensity of LEDs. The MBI5001 guarantees 17V output driving capability, allowing
users to connect more LEDs in series. The high clock frequency, 20 MHz, also satisfies the
system requirement of high volume data transmission.
MBI 5001 8-bit Constant Current LED Sink Driver
- 2 -
Block Diagram
OUT0 OUT1 OUT7
/LE
SDI
CLK
/OE
SDO
R-EXT
D
CK
Q D
CK
Q D
CK
Q
ST D
Q
ST D
Q
ST D
Q
I-REG.
Timing Diagram
CLK
SDI
/LE
/OE
OUT0
OUT1
OUT2
OUT7
SDO
5V
5V
5V
0V
0V
0V
Off
Off
Off
Off
0V
0V
5V
5V
On
On
Terminal Description
PIN NO. PIN NAME FUNCTION
1 GND
GND terminal
2 SDI
Serial data input terminal
3 CLK Clock input terminal
4 /LE Latch input terminal
5-12 OUT0-7 Output terminal
13 /OE Output enable input terminal
14 SDO Serial data out terminal
15 R-EXT Constant current programming
16 VDD 5V supply voltage terminal
MBI 5001 8-bit Constant Current LED Sink Driver
- 3 -
Truth table
CLK /LE /OE SDI OUT0 OUT5 OUT7 SDO
UP H L Dn D
n D
n-5 D
n-7 D
n-7
UP L L Dn+1 NO CHANGE Dn-6
UP H L Dn+2 D
n+2 D
n+3 D
n+5 D
n-5
DOWN X L Dn+3 D
n+2 D
n+3 D
n+5 D
n-5
DOWN X H Dn+3 Off Dn-5
Equivalent Circuit of Inputs and Outputs:
VDD
VDDVDD
VDD
GND GND
GNDGND
/OE /LE
CLK, SDI SDO8th LATCH
DATA
1. /OE terminal 2. /LE terminal
3. CLK, SDI terminal 4. SDO terminal
Maximum Ratings
CHARACTER SYMBOL RATING UNIT
Supply Voltage VDD 0~+7.0 V
Output Voltage VOUT -0.5~+17.0 V
Output Current IOUT +90 mA
Input Voltage VIN -0.4~VDD+0.4 V
GND Terminal Current IGND 720 mA
Clock Frequency FCLK 20 MHZ
CN – type 1.64
CD – type 1.06
Power Dissipation
(ON PCB, Ta=25)
CP – type
PD
0.88
W
CN – type 76
CD – type 117
Thermal Resistance
(ON PCB, Ta=25)
CP – type
Rth(j-a)
141
°C/W
Operating Temperature Topr -40~+85 °C
Storage Temperature Tstg -55~+150 °C
MBI 5001 8-bit Constant Current LED Sink Driver
- 4 -
Recommended Operating Condition
CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT
Supply Voltage VDD - 4.5 5.0 5.5 V
Output Voltage VOUT - - - 17.0 V
IOUT DC Test Circuit - - 90 mA
IOH SERIAL-OUT - - -1.0 mA
Output Current
IOL SERIAL-OUT - - 1.0 mA
VIH - 0.7VDD - VDD+0.3 V
Input Voltage VIL - -0.3 - 0.3VDD V
/LE Pulse Width tw LAT 25 - - ns
CLK Pulse Width tw CLK 25 - - ns
/OE Pulse Width tw EN 400 - - ns
Setup Time for DATA tsetup(D) 20 - - ns
Hold Time for DATA thold(D) 15 - - ns
Setup Time for LATCH tsetup(L) 20 - - ns
Hold Time for ENABLE thold(E)
VDD=4.5~5.5V
60 - - ns
Clock Frequency FCLK Cascade
Operation - - 20.0 MHz
CN – type 0.86
CD – type 0.56
Power
Dissipation
CP – type
PD Ta=85°C - -
0.46
W
MBI 5001 8-bit Constant Current LED Sink Driver
- 5 -
Electrical Characteristics
CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT
“H” level VIH - 0.7VDD - VDD V
Input
Voltage “L” level VIL - GND - 0.3VDD
Output Leakage Current IOH V
OH=17.0V - - 10 µA
VOL I
OL=+1.0mA - - 0.4 V
Output
Voltage SERIAL-OUT
VOH I
OH=-1.0mA - - - V
Output Current 1 IOL1 VCE = 0.8V REXT=865
(include Skew) - 40.0 - mA
Current Skew dIOL1 IO = 40mA
VCE = 0.8V REXT=865 - ±1.5 ±6.0 %
Output Current 2 IOL2 VCE =1.2V REXT=330
(include Skew) - 80.0 - mA
Current Skew dIOL2 IO = 80mA
VCE = 1.2V REXT=330 - ±1.5 ±6.0 %
Pull-up Resistor RIN(up) - 150 300 600 K
Pull-down Resistor RIN(down) - 85 200 400 K
IDD(off) 1 REXT=OPEN OUT0~7=Off - 0.1 1.0
IDD(off) 2 REXT=865 OUT0~7=Off 0.1 0.2 1.0
“OFF”
IDD(off) 3 REXT=330 OUT0~7=Off 0.1 0.2 1.0
IDD(on) 1 REXT=865 OUT0~7=On 7.0 12.0 18.0
Supply
Current
“ON”
IDD(on) 2 REXT=330 OUT0~7=On 10.0 22.0 32.0
mA
MBI 5001 8-bit Constant Current LED Sink Driver
- 6 -
Switching Characteristics
CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT
INn-OUTn - 200 300 ns
/LE-OUTn - 200 300 ns
/OE-OUTn - 200 300 ns
Propagation
Delay Time
( “L” to “H” )
CLK-SOUT
tpLH
20 50 70 ns
INn-OUTn - 200 300 ns
/LE-OUTn - 200 300 ns
/OE-OUTn - 200 300 ns
Propagation
Delay Time
( “H” to “L” )
CLK-SOUT
tpHL
20 50 70 ns
CLK tw CLK-CLK 15 - 20 ns
Pulse Width
/LE tw LAT-LAT 20 - 30 ns
Set-up Time for LATCH tswtup LAT 10 - 20 ns
Hold Time for ENABLE thold LAT 10 - 25 ns
Maximum CLK Rise Time tr - - 5 ns
Maximum CLK Fall Time tf - - 5 ns
Output Rise Time tor - 150 200 ns
Output Fall Time tof
VDD=5.0V
VCE=0.8V
VIH=VDD
VIL=GND
REXT=865
IOUT=40mA
VL=3.4V
RL=65
CL=10.5pF
- 150 200 ns
DC Characteristic Test Circuit AC Characteristic Test Circuit
, I
I
I
OL
I
R-EXT GND
VDD
13
4
3
2
5
6
7
8
9
10
11
12
14
/OE
/LE
CLK
SDI
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
SDO
C
C
R-EXT GND
VDD
13
4
3
2
5
6
7
8
9
10
11
12
14
/OE
/LE
CLK
SDI
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
SDO
I
IL IH
V
IL
, V
IH
REF
SW
MATRIX
V, V
IH IL
R
L
L
LL
V
DD
MBI 5001 8-bit Constant Current LED Sink Driver
- 7 -
Timing Wave Form
10% 10%
50%
90%
t
90%
setup
50%50%
hold
90%
t
10%
50%
90%
pHL
10%
tsetup
50%
50%
50%
t
50%
rf
t
50%
CLK
1. CLK, SDI, SDO, OUTn
tt
50%
or
50%
f
t
pLH
t
SDI
SDO,
OUTn (current)
50%
50%
CLK
SDI
/LE
2. CLK - /LE
"L" level = DATA HOLD
/OE
OUTn
tt
pLH
pHL
3. /OE - OUTn
MBI 5001 8-bit Constant Current LED Sink Driver
- 8 -
Graphs
I
OUT
- Duty on PCB
0
20
40
60
80
100
0 20406080100
Duty - Turn on Rate (%)
I
OUT
(mA)
MBI5001CN
MBI5001CD
MBI5001CP
T
a
= 85 °C
V
DD
= 5 V
V
CE
= 1.2V
Tj(max) = 150°C
I
OUT
- Duty on PCB
0
20
40
60
80
100
020406080100
Duty - Turn on Rate (%)
I
OUT
(mA)
MBI5001CN
MBI5001CD
MBI5001CP
T
a
= 55 °C
V
DD
= 5V
V
CE
= 1.2V
Tj(ma x) = 15 0°C
IOUT - Duty on PCB
0
20
40
60
80
100
0 20 40 60 80 100
Duty - Turn on Rate (%)
I
OUT
(mA)
MBI5001CN
MBI5001CD
MBI5001CP
T
a
= 25°C
V
DD
= 5V
V
CE
= 1.2V
Tj(max) = 150°C
MBI5001 Pd-Ta
0.000
0.200
0.400
0.600
0.800
1.000
1.200
1.400
1.600
1.800
0 20 40 60 80 100 120 140 160
Ta
Pd (W/IC)
MBI5001CN
MBI5001CD
MBI5001CP
MBI 5001 8-bit Constant Current LED Sink Driver
- 9 -
Outline Drawings
MBI5001CP Outline Drawing
MBI5001CD Outline Drawing
MBI5001C N/D/P
MBI5001CN Outline Drawing
Macroblock, Inc. 2002
Floor 6-4, No. 18, Pu-Ting Rd., Hsinchu, Taiwan 30077, ROC.
TEL: +886-3-579-0068, FAX: +886-3-579-0069 E-mail: info@mblock.com.tw Macroblock, Inc.