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PDF BD6039GU Data sheet ( Hoja de datos )
| Número de pieza | BD6039GU | |
| Descripción | Power Supply | |
| Fabricantes | ROHM Semiconductor | |
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System Power Supply ICs for CCD Camera of Mobile Phones
Power Supply
for CCD Camera Module
BD6039GU
No.10033EAT02
●Description
BD6039GU is system power supply LSI for CCD camera that supplies all voltage sources for CCD camera.
This IC has Step up DC/DC converter and LDO for CCD sensor, Inverted DC/DC converter for CCD sensor, and LDO (7ch).
REGA, REG1, REG8, REG5 can be connected the power supply independent from VBAT.
Each output voltage has an adjustable by the register, and this IC can correspond to various CCD modules.
A necessary power supply for CCD camera system is integrated into 1chip, and it contributes to space saving.
BD6039GU achieves compact size with the chip size package.
●Features
1) The BD6039GU is equipped with all voltage sources for CCD camera system.
2) Each output has an adjustable voltage; hence this IC can correspond to various CCD modules.
3) The BD6039GU is controlled by I2C BUS format.
4) The BD6039GU employs 4.8mm2 chip size package, so this IC achieves compact size.
●Functions
1) Step up DC/DC converter and LDO for CCD sensor (+15V/+14.5V/+13V)
2) Inverted DC/DC converter for CCD sensor (-8V/-7.5V/-7V)
3) 7ch Series Regulator
REG1 : 1.2V, Iomax=210mA
REG2 : 3.0V, Iomax=50mA
REG5 : 1.5V/1.8V, Iomax=100mA
REG6 : 3.2V/3.3V, Iomax=260mA
REG7 : 3.0V/3.3V, Iomax=50mA
REG8 : 1.5V/1.8V, Iomax=100mA
REGA : 1.5V/1.8V, Iomax=100mA
4) Correspondence to I2C BUS format
5) Thermal shutdown (Auto-return type)
6) VCSP85H4 chip size package (1.0mm max)
●Absolute Maximum Ratings(Ta=25℃)
Parameter
Maximum Applied voltage 1
Maximum Applied voltage 2
Maximum Applied voltage 3
Maximum Applied voltage 4
Power Dissipation
(Note 1)
(Note 2)
(Note 3)
(Note 4)
(Note 5)
Symbol
VMAX1
VMAX2
VMAX3
VMAX4
Pd
Operating Temperature Range
Topr
Storage Temperature Range
Tstg
(Note 1)
(Note 2)
(Note 3)
(Note 4)
(Note 5)
SWP, VPLUS1, VPLUS2 pin
VDD3 pin
VDD4, SWN pin
Except Note1~Note3 pin
Power dissipation deleting is 16.9mW/ ℃, when it’s used in over 25℃.
(It’s deleting is on the board that is ROHM’s standard)
Ratings
20
18
-13.5
6
2110
-30 ～ +85
-55 ～ +150
Unit
V
V
V
V
mW
℃
℃
●Recommended Operating Conditions (VBAT≥VIO, Ta=-30~85 ℃)
Parameter
Symbol
Limits
VBAT input voltage
VBAT
2.7 ～ 5.5
VIO pin voltage
VIO 1.65 ～ 3.3
Unit
V
V
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
1/24
2010.03 - Rev.A
1 page  
BD6039GU
●Power Dissipation (On the ROHM’s standard board)
2.5
2210mW
2
Technical Note
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1.5
1
0.5
0
0 25 50 75 100 125 150
Ta(℃)
Fig.1 Power Dissipation
Information of the ROHM’s standard board
Material :
glass-epoxy
Size :
50mm×58mm×1.75mm
Pattern of the board Refer to after page
(8 Layer)
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
5/24
2010.03 - Rev.A
5 Page 
BD6039GU
●I2C BUS format
The writing/reading operation is based on the I2C slave standard.
◦Slave address
A7 A6 A5 A4 A3 A2 A1 R/W
0 0 0 1 0 0 1 1/0
Technical Note
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◦Bit Transfer
SCL transfers 1-bit data during H. SCL cannot change signal of SDA during H at the time of bit transfer. If SDA changes
while SCL is H, START conditions or STOP conditions will occur and it will be interpreted as a control signal.
SDA
SCL
data line
Stable; data valid
change of
data
allowed
◦START and STOP condition
When SDA and SCL are H, data is not transferred on the I2C- bus. This condition indicates, if SDA changes from H to L
while SCL has been H, it will become START (S) conditions, and an access start, if SDA changes from L to H while SCL has
been H, it will become STOP (P) conditions and an access end.
SDA
SCL
S
START condition
P
STOP condition
◦Acknowledge
It transfers data 8 bits each after the occurrence of START condition. A transmitter opens SDA after transfer 8bits data, and
a receiver returns the acknowledge signal by setting SDA to L.
DATA OUTPUT
BY TRANSMITTER
DATA OUTPUT
BY RECEIVER
SCL
S
START condition
1
not acknowledge
acknowledge
2 89
clock pulse for
acknowledgement
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
11/24
2010.03 - Rev.A
11 Page | ||
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