BD9634GU Datasheet, PDF (2/30 Pages) Rohm – Switching Regulator ICs

BD9634GU
Pin Configuration
H
H1
VOUT4
G
VBAT3
VOUT4
F
SW3
XSHDN5
E PGND13 XSHDN9
D PGND13 PREV1
C
OUT1
VDCO1
B
VOUT2
VBAT
A
A1
VBAT6
1
2
USW4
USW4
CTL4
FB1
FB2
FB6.1
LSO6
3
BOTTOM VIEW
PGND4
XSHDN1
XSHDN2
FB4
AGND
PREV56
PGND56
OUT6
4
PGND4
XSHDN34
CONT78
FB3
FB6
VCC
XSHDN6
OUT5
5
DSW4
DSW4
XSHDN78
FB5
VREF8
AMPOUT5
RESERVE
VOUT9
6
VBAT4
VBAT4
SEL5
FB7
FB8
VBAT8
PWM/PFM
VDCO4
7
H8
VOUT7
SW7
PGND78
RT
VOUT8
OUT8
A8
8
Pin Descriptions
Terminal No.
Name
Equivalent Circuit
Terminal No.
Name
Equivalent Circuit
1-A
A1
TEST terminal
Oï½¥G
1- E
PGND13 CH1,CH3 DRIVER GND terminal
2-A
VBAT6
Load switch input terminal
V
2- E
XSHDN9 CH9 shutdown terminal
3-A
LSO6
Load switch output terminal
O
3- E
FB1
CH1 feedback terminal
4-A
OUT6
CH6 gate connecting terminal
O
4- E
FB4
CH4 feedback terminal
5-A
OUT5
CH5 gate connecting terminal
O
5- E
FB3
CH3 feedback terminal
6-A
VOUT9
CH9 output terminal
O
6- E
FB5
CH5 feedback terminal
7-A
VDCO4
CH9 LDO power supply terminal
V
7- E
FB7
CH7 feedback terminal
8-A
A8
TEST terminal
Oï½¥G
8- E
PGND78 CH7,CH8 DRIVER GND terminal
1-B
VOUT2
CH2 output terminal
O
1- F
SW3
CH3 switching terminal
2-B
VBAT
Battery input terminal
V
3-B
FB6.1
CH6 feedback terminal
(Constant voltage side）
G
4-B
PGND56
CH5,CH6 DRIVER GND terminal
G
2- F
XSHDN5 CH5 shutdown terminal
3- F
CTL4
CH4 output voltage switching terminal
4- F
XSHDN2 CH2 shutdown terminal
5-B
XSHDN6
CH6 shutdown terminal
O・G
5- F
CONT78 CH7,CH8 sequence control terminal
6-B
RESERVE Reserve terminal
7-B
PWM/PFM
CH1 PWM/PFM switching
terminal
8-B
OUT8
CH8 gate connecting terminal
O
O・G
O
6- F
XSHDN78 CH7,CH8 shutdown terminal
7- F
SEL5
CH5 Boost/Buck switching terminal
8- F
SW7
CH7 switching terminal
1-C
OUT1
CH1 gate connecting terminal
O
1- G
VBAT3
CH3 DRIVER power supply terminal
2-C
VDCO1
CH2 LDO power supply terminal
V
2- G
VOUT4
CH4 output terminal
3-C
－
－
-
4-C
PREV56
CH5,CH6 DRIVER power supply
terminal
V
5-C
VCC
Analog power supply terminal
V
3- G
USW4
CH4 Boost side switching terminal
4- G
XSHDN1 CH1 shutdown terminal
5- G
XSHDN34 CH3,CH4 shutdown terminal
6-C
AMPOUT5 CH5 error amp output terminal
O
6- G
DSW4
CH4 Buck side switching terminal
7-C
VBAT8
CH8 DRIVER power supply terminal
V
8-C
VOUT8
CH8 output terminal
(for Discharge)
G
1-D
PGND13
CH1,CH3 DRIVER GND terminal
G
7- G
VBAT4
CH4 DRIVER power supply terminal
8- G
VOUT7
CH7 output terminal
1- H
H1
TEST terminal
2-D
PREV1
CH1 DRIVER power supply terminal
V
2- H
VOUT4
CH4 output terminal
3-D
FB2
CH2 feedback terminal
G
3- H
USW4
CH4 Boost side switching terminal
4-D
AGND
Analog GND terminal
5-D
FB6
CH6 feedback terminal
(Constant voltage side）
6-D
VREF8
CH8 reference voltage
G
O・G
O
4- H
PGND4
CH4 DRIVER GND terminal
5- H
PGND4
CH4 DRIVER GND terminal
6- H
DSW4
CH4 Buck side switching terminal
7-D
FB8
CH8 feedback terminal
G
7- H
VBAT4
CH4 DRIVER power supply terminal
8-D
RT
Triangle wave setting resistance
terminal
(Note 1)
8- H
H8
TEST terminal
The letter on the right side of each pin explanation indicates the reaction if the terminal are not used.
O・・・OPEN G・・・GND O･G・・・OPEN or GND V・・・Power supply (VBAT)
(Note 1)・・・10[KΩ]Pull-down
G
Oï½¥G
G
Oï½¥G
G
G
G
G
O
Oï½¥G
Oï½¥G
Oï½¥G
G
Oï½¥G
G
O
V
O
O
G
Oï½¥G
O
V
O
Oï½¥G
O
O
G
G
O
V
Oï½¥G
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TSZ02201-0313AA400620-1-2
26.Apr.2016 Rev.001