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PDF MBI5034 Data sheet ( Hoja de datos )
| Número de pieza | MBI5034 | |
| Descripción | 16-Channel Constant Current LED Sink Driver | |
| Fabricantes | Macroblock | |
| Logotipo |  |
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Macroblock
Datasheet
MBI5034
16-Channel Constant Current LED Sink Driver with
Compulsory Open-circuit Detection and Current Gain
Features
16 constant-current output channels
Small Outline Package
Constant output current range: 3~45mA
- 3-45mA @ 5V supply voltage
- 3-30mA @ 3.3V supply voltage
Compulsory LED open-circuit detection
- Open-circuit LEDs can be detected
- Full panel, data independent
- Flicker-free error detection
GF: SOP24L-300-1.00
64-step programmable current gain: from 12.5% to 200%
Excellent output current accuracy,
- Between channels: <±1.5% (typ.), and
Shrink SOP
- Between ICs: <±3% (typ.)
Fast response of output current
- Min. output pulse width of OE : 20ns
Staggered delay of output, preventing from current surge
30MHz clock frequency
GP: SSOP24L-150-0.64
Schmitt trigger input
Product Description
MBI5034 is an enhanced 16-channel constant current LED sink driver with smart error detection and output current
gain. MBI5034 succeeds MBI5026 and also exploits PrecisionDrive™ technology to enhance the output
characteristics. Furthermore, MBI5034 adopts Share-I-O™ technology to be backward compatible with MBI5026,
MBI5036 and MBI5039 in pin definition and has the functionality for compulsory LED open-circuit detection and
current gain control in LED display systems.
MBI5034 contains a 16-bit shift register and a 16-bit output latch, which convert serial input data into parallel output
format. At MBI5034 output stages, sixteen regulated current ports are designed to provide uniform and constant
current sinks with small skew between ports for driving LEDs within a wide range of forward voltage (VF) variations.
Users may adjust the output current from 3mA to 45mA with an external resistor Rext, which provides users
flexibility in controlling the light intensity of LEDs. MBI5034 guarantees to endure maximum 17V at the output ports.
Besides, the high clock frequency, up to 30MHz, also satisfies the system requirements of high volume data
transmission.
With the open-circuit detection, MBI5034 can detect individual LED open-circuit error without extra components.
Once the dedicated command is issued, all of the output ports will be turned on with small current. Since the
turn-on duration and current are so small, the flicker will not be sensed by human eyes and the image quality will
not be impacted. All of the channels are detected no matter the input data is zero or one.
Macroblock, Inc. 2015
Floor 6-4, No. 18, Pu-Ting Rd., Hsinchu, Taiwan 30077, ROC.
TEL: +886-3-579-0068, FAX: +886-3-579-7534, E-mail: [email protected]
- 1 - July 2015, VA.00
1 page  
MBI5034
16-Channel Constant Current LED Sink Driver with
Compulsory Open-circuit Detection and Current Gain
Maximum Ratings
Characteristic
Symbol
Rating
Unit
Supply Voltage
VDD 0~7.0
V
Input Pin Voltage (SDI, OE , LE, CLK)
VIN -0.4 to VDD+0.4
V
Sustaining Voltage at SDO Pin
Sustaining Voltage at OUTn Pins
Output Current ( OUT0 ~ OUT15 )
VOUT
VDS
IOUT
-0.4~VDD+0.4
-0.5~+17
+45
V
V
mA
GND Terminal Current
Power Dissipation
(On 4 Layer PCB, Ta=25°C)*
Thermal Resistance
(On 4 Layer PCB, Ta=25°C)*
GF Type
GP Type
GF Type
GP Type
IGND
PD
Rth(j-a)
+720
1.83
1.76
68.44
71.18
mA
W
°C/W
Junction Temperature
Operating Ambient Temperature
Tj,max
Topr
150**
-40~+85
°C
°C
Storage Temperature
ESD Rating
HBM
(MIL-STD-883G
Method 3015.7,
Human Body Mode)
MM (JEDEC
EIA/JESD22-A115,
Machine Mode)
Tstg
HBM
MM
-55~+150
Class 3A
(4000V~7999V)
Class B
(200V~399V)
°C
-
-
*The PCB size is 76.2mm*114.3mm in simulation. Please refer to JEDEC JESD51.
** Operation at the maximum rating for extended periods may reduce the device reliability; therefore, the suggested
operation temperature of the device is under 125°C.
Note: The performance of thermal dissipation is strongly related to the size of thermal pad, thickness and layer
numbers of the PCB. The empirical thermal resistance may be different from simulative value. User should plan for
expected thermal dissipation performance by selecting package and arranging layout of the PCB to maximize the
capability.
- 5 - July 2015, VA.00
5 Page 
MBI5034
16-Channel Constant Current LED Sink Driver with
Compulsory Open-circuit Detection and Current Gain
**** OE =tor+tof.
*****Output pulse width= OE + tON_ERR. Users should set the appropriate OE pulse width based on the required
uniformity of OE gray scale.
Test Circuit for Switching Characteristics
VIH,VIL
Function
Generator
IDD VDD C1 =100nF
VDD
IOUT
SDI
CLK
LE
OUT0
VDS
RL
CL
OUT15
RL
OE
R-EXT GND SDO
CL
VIH=VDD
VIL=0V
Rext
CSDO
VLED C2 = 22uF
- 11 -
July 2015, VA.00
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet MBI5034.PDF ] | |
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