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Rohm Semiconductor Electronic Components Datasheet

BD2606MVV Datasheet

6-Channel Charge Pump White LED Driver

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Datasheet
6-Channel Charge Pump
White LED Driver
with 64 Dimming Steps and I2C Compatible Interface
BD2606MVV
General Description
BD2606MVV is a multi-level brightness control white
LED driver that not only ensures efficient boost by
automatically changing the boost rate but also works as
a constant current driver with 64 steps, so that the
driving current can be adjusted finely. This IC is best
suited to turn ON white LEDs that require high-accuracy
LED brightness control.
Features
6-Ch Parallel LED Driver
64-Step LED Current Adjust Function
Inter-LED Relative Current Accuracy: 3% or less
LED Individual Lighting/Dimming Control via I2C
BUS Interface
Automatic Transition Charge Pump Type DC/DC
Converter (x1, x1.5 and x2)
High Efficiency (90% or More at Maximum)
Various Protection Functions such as Output
Voltage Protection, Over-Current Limiter and
Thermal Shutdown Circuit
Applications
This driver is applicable for various fields such as
mobile phones, portable game machines and white LED
products.
Key Specifications
Power Supply Voltage Range:
Oscillation Frequency:
Quiescent Current:
Operating Temperature Range:
2.7V to 5.5V
1.0MHz(Typ)
0μA(Typ)
-30°C to +85°C
Package
W(Typ) x D(Typ) x H(Max)
SQFN016V4040
4.00mm x 4.00mm x 1.00mm
Typical Application Circuit
Battery
CIN
= 1μF
IN
C1 = 1μF C2 = 1μF
OUT
COUT = 1μF
EN BD2606MVV
SCL
SDA
LEDA1
LEDA2
LEDB1
LEDB2
LEDC1
LEDC2
GND
Product structure : Silicon monolithic integrated circuit
.www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 14 001
This product has no designed protection against radioactive rays
1/16
TSZ02201-0G3G0C200400-1-2
10.Dec.2015 Rev.002


Rohm Semiconductor Electronic Components Datasheet

BD2606MVV Datasheet

6-Channel Charge Pump White LED Driver

No Preview Available !

BD2606MVV
Absolute Maximum Ratings (Ta=25°C)
Parameter
Symbol
Ratings
Unit
Condition
Power Supply Voltage
VMAX
7
V
Operating Temperature Range
Topr
-30 to +85
°C
Storage Temperature Range
Tstg
-55 to +150
°C
Power Dissipation
Pd
0.78 (Note 1)
W
(Note 1) When mounted on a glass epoxy substrate (70mm x 70mm x 1.6mm), derate by 6.2mW/°C for Ta is higher than 25°C.
Caution: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open
circuit between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures such as adding a fuse, in case the IC is
operated over the absolute maximum ratings.
Recommended Operating Conditions (Ta=-30°C to +85°C)
Parameter
Symbol
Ratings
Operating power supply voltage
VCC
2.7 to 5.5
Unit
V
Condition
Electrical Characteristics (Unless otherwise specified, Ta = 25°C and VIN = 3.6V.)
Parameter
Symbol Min
Limit
Typ Max
Unit
Conditions
Quiescent Current
IDDQ - 0 7 μA VEN=0V, VIN=3.6V
Circuit Current 1
IDD1 - 1.0 2.6 mA x1 mode, IOUT=0mA, VIN=3,6V
[Charge Pump]
Output Current
Oscillation Frequency
IOUT - -
120 mA VOUT=4.0V, VIN=3.6V
fOSC 0.8 1.0 1.2 MHz Add=0 x 03, D6=0
[LED Driver]
LED Current Absolute Precision
ILED-ERR
-
-
±6.5
%
ILED =16.5mA(LEDxCNT=0x20),
LED pin voltage 1.0V
LED Current Relative Precision
ILED-to-LED
-
0.5 ±3.75(Note 2)
%
ILED =16.5mA(LEDxCNT=0x20) ,
LED pin voltage 1.0V
LED Control Voltage
VLED
- 0.2
0.25
V
ILEDA1,ILEDA2,ILEDB1,
ILEDB2,ILEDC1,ILEDC2
[Logic Interface]
Input LVoltage
Input HVoltage
Input HCurrent
Input LCurrent
VIL - -
VIH 1.6 -
IIH - -
IIL -10 -
0.4 V EN, SCL, SDA
- V EN, SCL, SDA
10 μA EN, SCL, SDA=VIN
- μA EN, SCL, SDA=GND
LLevel SDA Output
VOL
-
-
-
-
0.4
0.6
V SDA, 3mA source
V SDA, 6mA source
[I2C BUS Interface (Standard Mode)]
SCL Clock Frequency
SCL Low Duration
SCL High Duration
Data Hold Time
fSCLC
tLOW
tHIGH
tHD;DAT
0
4.7
4.0
0
-
-
-
-
100 kHz
- μs
- μs
3.45 μs
Data Setup Time
Setup Time Restart Condition
Hold Time Restart Condition
Setup Time Stop Condition
tSU;DAT
tSU;STA
tHD;STA
tSU;STO
250
4.7
4.0
4.0
-
-
-
-
- ns
- μs
- μs
- μs
Bus Free Time Between Start and
Stop
tBUF
4.7
-
- μs
[I2C BUS Interface (Fast Mode)]
SCL Clock Frequency
SCL Low Duration
SCL High Duration
Data Hold Time
fSCL
tLOW
tHIGH
tHD;DAT
0
1.3
0.6
0
-
-
-
-
400 kHz
- μs
- μs
0.9 μs
Data Setup Time
Setup Time Restart Condition
Hold Time Restart Condition
Setup Time Stop Condition
tSU;DAT
tSU;STA
tHD;STA
tSU;STO
100
0.6
0.6
0.6
-
-
-
-
- ns
- μs
- μs
- μs
Bus Free Time Between Start and
Stop
tBUF
1.3
-
Interface Startup Time
tEN - -
- μs
350 μs Bus startup time (after EN=H)
(Note 2) The following expression is used for calculation:
ILED-match={(IMAX-IMIN)/(IMAX+IMIN)} x 100
IMAX= Current value in a channel with the maximum current value among all channels
IMIN=Current value in a channel with the minimum current value among all channels
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/16
TSZ02201-0G3G0C200400-1-2
10.Dec.2015 Rev.002


Part Number BD2606MVV
Description 6-Channel Charge Pump White LED Driver
Maker ROHM
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