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MP3021DQ-Z

Description
LED Driver, 4-Segment, 3 X 3 MM, MO-220VEED-4, QFN-16
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size349KB,10 Pages
ManufacturerMonolithic Power Systems
Websitehttps://www.monolithicpower.com
Download Datasheet Parametric Compare View All

MP3021DQ-Z Overview

LED Driver, 4-Segment, 3 X 3 MM, MO-220VEED-4, QFN-16

MP3021DQ-Z Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMonolithic Power Systems
Parts packaging codeQFN
package instructionQFN-16
Contacts16
Reach Compliance Codecompliant
ECCN codeEAR99
data entry modeSERIAL
Interface integrated circuit typeLED DISPLAY DRIVER
JESD-30 codeS-XQCC-N16
length3 mm
Multiplex display functionNO
Number of functions1
Number of segments4
Number of terminals16
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeHVQCCN
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height1 mm
Maximum supply voltage5.5 V
Minimum supply voltage2.7 V
Nominal supply voltage4.2 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width3 mm

MP3021DQ-Z Preview

MP3021
1x, 1.5x, 2x Auto-Adjust Charge Pump
White LED Backlight Driver
The Future of Analog IC Technology
DESCRIPTION
The MP3021 is a WLED driver that can drive up
to 4 backlight WLEDs at up to 30mA each.
Backlight brightness is adjusted using a 5-bit
register plus one bit for precise low brightness
control.
The MP3021 employs a super efficient
inductorless charge pump with 1x, 1.5x and 2x
automatic mode control to achieve high
efficiency power conversions.
Monolithic Power System’s single wire MPC
TM
serial data link provides a simple and fast
interface used to enable, disable and set
current levels for each LED. In addition,
soft-start limits the inrush current during startup
and mode switching.
Each output is current limited, providing
controlled brightness and short circuit protection.
Thermal shutdown protection guards against
excessive temperatures due to circuit loads and
shorts.
The tiny 3mm x 3mm QFN 16-pin package and
small external capacitors deliver the most
compact white LED solution available.
FEATURES
Backlight: up to 4 WLEDs at 30mA Each
Single Wire Serial Bus (MPC
TM
Serial Data Link)
Simple, Low Overhead Solution
Fast Data Transfer Rate
Good Current Matching at Low LED Current
Thermal Shutdown Protection
Under-Voltage Protection
Available in a 3mm x 3mm 16-Pin QFN Package
Low EMI Noise
Cellular Phones
PDA Phones
PDAs
Other Small Portable Displays
APPLICATIONS
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of
Monolithic Power Systems, Inc.
“MPC” is a Trademark of Monolithic Power Systems, Inc.
TYPICAL APPLICATION
BATT
7
4
3
6
2
8
11
Efficiency vs
Battery Voltage
VIN
C1A
C1B
C2A
16
LED0
D1
D2
D3
D4
100
90
I_LED=10mA
EFFICIENCY (%)
80
70
60
50
40
30
20
2.5
3.0
3.5
4.0
BATTERY VOLTAGE (V)
4.5
I_LED=20mA
I_LED=30mA
MP3021
C2B
DATA
ISET
15
LED1
14
LED2
13
LED3
1
CP
SINGLE PIN SERIAL PORT
120mA Total Backlight
5
VSS
COMMON ANODE
CONFIGURATION
MP3021 Rev. 1.0
11/21/2007
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2007 MPS. All Rights Reserved.
1
MP3021 – 1X, 1.5X, 2X AUTO-ADJUST CHARGE PUMP WLED BACKLIGHT DRIVER
PACKAGE REFERENCE
PIN 1 ID
ABSOLUTE MAXIMUM RATINGS
(1)
All Other Pins.............................. –0.3V to +6.5V
Junction Temperature...............................150°C
Lead Temperature ....................................260°C
Storage Temperature ..............–65°C to +150°C
Supply Voltage VIN ........................... 2.5V to 6V
Operating Temperature .............–40°C to +85°C
TOP VIEW
LED0 LED1 LED2 LED3
16
15
14
13
12
11
10
9
5
VSS
CP
C2B
C1B
C1A
1
2
3
4
6
C2A
NC
ISET
NC
NC
Recommended Operating Conditions
(2)
Supply Voltage V
IN
.......................... 2.7V to 5.5V
Operating Temperature .............–40°C to +85°C
Thermal Resistance
(3)
7
VIN
8
DATA
QFN16 (3mm x 3mm) ............. 60 ...... 12...
°C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
operating conditions.
3) Measured on approximately 1” square of 1 oz copper.
θ
JA
θ
JC
EXPOSED PAD
CONNECT TO PIN 5
Part Number*
MP3021DQ
*
Package
QFN16
(3mm x 3mm)
Temperature
–40°C to +85°C
For Tape & Reel, add suffix –Z (eg. MP3021DQ–Z)
For RoHS compliant packaging, add suffix –LF (eg.
MP3021DQ–LF–Z)
ELECTRICAL CHARACTERISTICS
V
IN
= 4.2V, T
A
= +25°C, unless otherwise noted.
Parameter
Input Supply Voltage
Supply Current
Supply Current Shutdown
Current Matching
(4)
DATA Voltage, High
DATA Voltage, Low
DATA Pin Leakage
Data Acceptance Pulse Width
Data Stop Pulse Width
Charge Pump Frequency
Voltage of ISET
Backlight LED Current for each
LED
Thermal Shutdown
(5)
Symbol
V
IN
I
IN
I
IN SHDN
I
LED MATCH
V
DATA (HIGH)
V
DATA (LOW)
I
DATA
T
DAPW
T
DSPW
F
CP
V
ISET
I
BL
T
S
Condition
1X Mode; I
LED ea
= 20mA
V
DATA
= 0V
I
LED
= 20mA
1.2
V
DATA
= 5V
-1.0
1.5
8
1.0
0.4
+1.0
3.5
1.25
1.25
30
2
20
150
1.5
Min
2.7
Typ
83.6
0.1
1.5
Max
5.5
1.0
3.0
Units
V
mA
µA
%
V
V
µA
µs
µs
MHz
V
mA
mA
mA
°C
V
IN
= 3.3V
HC/LC = 0, R1=4.17k
HC/LC = 1, R1=6.25k
HC/LC = 0, R1=6.25k
2.2
22
Note:
4) Current matching definition: (Max – Min)/(Max + Min)
5) Guaranteed by design.
MP3021 Rev. 1.0
11/21/2007
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2007 MPS. All Rights Reserved.
2
MP3021 – 1X, 1.5X, 2X AUTO-ADJUST CHARGE PUMP WLED BACKLIGHT DRIVER
PIN FUNCTIONS
Pin #
1
2
3
4
5
6
7
8
9, 10,
12
11
13
14
15
16
Name Description
CP
Charge pump bypass for common anode version. Connect a 1µF bypass capacitor to GND.
Charge Pump Capacitor #2 Negative Node. Connect the negative side of the #2 charge pump
C2B
capacitor to C2B.
Charge Pump Capacitor #1 Negative Node. Connect the negative side of the #1 charge pump
C1B
capacitor to C1B.
Charge Pump Capacitor #1 Positive Node. Connect the positive side of the #1 charge pump
C1A
capacitor to C1A. Typical applications require C1 to be 1µF.
VSS Battery Power Ground. Connect the exposed pad to this pin.
Charge Pump Capacitor #2 Positive Node. Connect the positive side of the #2 charge pump
C2A
capacitor to C2A. Typical applications require C2 to be 1µF.
Battery Power Input. Connect the 2.5V to 5.5V input source between BATT and GND. Bypass
VIN
BATT to GND with a 1µF or greater capacitor.
Data Input and Single Pin Serial Port for Control of All Functions. See
Part Description.
An
DATA
external pill-down resistor with a typical value of 100k
is required.
NC
ISET
LED3
LED2
LED1
LED0
No Connect.
Current Control Input. Connect a resistor between ISET and GND to set the backlight LED
string current up to 30mA each
#4 LED Driver for Backlight. Connect a backlight LED between this pin and BATT, with the
anode at BATT. If this pin is not used, leave the pin open.
#3 LED Driver for Backlight. Connect a backlight LED between this pin and BATT, with the
anode at BATT. If this pin is not used, leave the pin open.
#2 LED Driver for Backlight. Connect a backlight LED between this pin and BATT, with the
anode at BATT. If this pin is not used, leave the pin open.
#1 LED Driver for Backlight. Connect a backlight LED between this pin and BATT, with the
anode at BATT. If this pin is not used, leave the pin open.
MP3021 Rev. 1.0
11/21/2007
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2007 MPS. All Rights Reserved.
3
MP3021 – 1X, 1.5X, 2X AUTO-ADJUST CHARGE PUMP WLED BACKLIGHT DRIVER
TYPICAL PERFORMANCE CHARACTERISTICS
V
BATT
= 4.2V, T
A
= +25°C, unless otherwise noted.
Efficiency with Different
LED Voltage
100
90
80
70
60
50
40
30
20
I_LED=20mA
10
2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5
BATTERY VOLTAGE (V)
VF=3.4V
VF=3.2V
VF=3.3V
100
90
Efficiency vs
Battery Voltage
I_LED=10mA
35
30
LED Current (HC) Over
32 Brightness Levels
EFFICIENCY (%)
EFFICIENCY (%)
80
70
60
50
40
30
20
2.5
3.0
3.5
4.0
BATTERY VOLTAGE (V)
4.5
I_LED=20mA
I_LED=30mA
LED CURRENT (mA)
25
20
15
10
5
0
0
5
10 15 20 25
BRIGHT LEVEL
30
LED Current (LC) Over
32 Brightness Levels
3.5
3.0
1.00
LED Current Deviation (HC)
vs Battery Voltage
60
40
LED1
LED2
20
0.00
0
-0.50
LED3
LED4
-20
LED Current Deviation (LC)
vs Battery Voltage
LED1
LED CURRENT (mA)
LED CURRENT (mA)
2.5
2.0
1.5
1.0
0.5
0
0
5
10 15 20 25
BRIGHT LEVEL
30
0.50
LED2
LED3
LED4
3.50
4.50
5.50
BATTERY VOLTAGE (V)
-1.00
2.50
3.50
4.50
5.50
BATTERY VOLTAGE (V)
-40
2.50
MP3021 Rev. 1.0
11/21/2007
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2007 MPS. All Rights Reserved.
4
MP3021 – 1X, 1.5X, 2X AUTO-ADJUST CHARGE PUMP WLED BACKLIGHT DRIVER
TYPICAL PERFORMANCE CHARACTERISTICS
(continued)
V
BATT
= 4.2V, T
A
= +25°C, unless otherwise noted.
Soft Start to 1X Mode
V
IN
= 4.2V,1X Mode, 4 LED Full
Brightness
Soft Start to 1.5X Mode
V
IN
= 3.5V, 1.5X Mode, 4 LED Full
Brightness
Soft Start to 2X Mode
V
IN
= 2.7V, 2X Mode, 4 LED Full
Brightness
DATA
2V/div.
I
BAT
50mA/div.
CP
2V/div.
DATA
2V/div.
I
BAT
100mA/div.
CP
2V/div.
DATA
2V/div.
I
BAT
100mA/div.
CP
2V/div.
Mode Change
From 1X to 1.5X
V
IN
= 3.3V,4 LED Full Brightness
Mode Change
From 1.5X to 2X
V
IN
= 2.7V, 4 LED Full Brightness
Charge Pump Waveform
at 1.5X Mode
V
IN
= 3.06V, 4 LED Full Brightness,
1.5X Mode
CP
2V/div.
C1A
2V/div.
CP
2V/div.
C1A
2V/div.
C1A
2V/div.
C1B
2V/div.
I
BAT
100mA/div.
C1B
2V/div.
C1B
2V/div.
I
BAT
100mA/div.
C2A
2V/div.
C2B
2V/div.
400
n
s/div.
Charge Pump Waveform
at 2X Mode
V
IN
= 3.06V, 4 LED Full Brightness,
2X Mode
C1A
2V/div.
C1B
2V/div.
C2A
2V/div.
C2B
2V/div.
400
n
s/div.
MP3021 Rev. 1.0
11/21/2007
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2007 MPS. All Rights Reserved.
5

MP3021DQ-Z Related Products

MP3021DQ-Z MP3021DQ MP3021DQ-LF
Description LED Driver, 4-Segment, 3 X 3 MM, MO-220VEED-4, QFN-16 LED Driver, 4-Segment, 3 X 3 MM, MO-220VEED-4, QFN-16 LED Driver, 4-Segment, 3 X 3 MM, ROHS COMPLIANT, MO-220VEED-4, QFN-16
Is it lead-free? Contains lead Contains lead Lead free
Is it Rohs certified? incompatible incompatible conform to
Maker Monolithic Power Systems Monolithic Power Systems Monolithic Power Systems
Parts packaging code QFN QFN QFN
package instruction QFN-16 QFN-16 3 X 3 MM, ROHS COMPLIANT, MO-220VEED-4, QFN-16
Contacts 16 16 16
Reach Compliance Code compliant compliant compliant
ECCN code EAR99 EAR99 EAR99
data entry mode SERIAL SERIAL SERIAL
Interface integrated circuit type LED DISPLAY DRIVER LED DISPLAY DRIVER LED DISPLAY DRIVER
JESD-30 code S-XQCC-N16 S-XQCC-N16 S-XQCC-N16
length 3 mm 3 mm 3 mm
Multiplex display function NO NO NO
Number of functions 1 1 1
Number of segments 4 4 4
Number of terminals 16 16 16
Maximum operating temperature 85 °C 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C -40 °C
Package body material UNSPECIFIED UNSPECIFIED UNSPECIFIED
encapsulated code HVQCCN HVQCCN HVQCCN
Package shape SQUARE SQUARE SQUARE
Package form CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED 260
Certification status Not Qualified Not Qualified Not Qualified
Maximum seat height 1 mm 1 mm 1 mm
Maximum supply voltage 5.5 V 5.5 V 5.5 V
Minimum supply voltage 2.7 V 2.7 V 2.7 V
Nominal supply voltage 4.2 V 4.2 V 4.2 V
surface mount YES YES YES
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal form NO LEAD NO LEAD NO LEAD
Terminal pitch 0.5 mm 0.5 mm 0.5 mm
Terminal location QUAD QUAD QUAD
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED 40
width 3 mm 3 mm 3 mm
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