BD9639MWV Datasheet, PDF (3/5 Pages) Rohm – Semiconductor integrated circuit

■ Block diagram
3/4
■ Package outline
ＢＤ9639ＭＷ
Ｌｏｔ Ｎｏ．
■ Terminal No./Terminal name
■ Terminal description
Terminal No.
Name
1
SW1
2
SW1
3
PGND1
4
PGND1
5
TEST1
6
VBAT
7
XSHDN1
8
AGND1
9
XSHDN24
10
FB5
11
PGND5
12
SW5
13
VBAT5
14
XSHDN5
15
FB4
16
VOUT4
17
VOUT4
18
USW4
19
USW4
20
PGND4
21
PGND4
22
DSW4
23
DSW4
24
VBAT4
25
VBAT4
26
DPG4
27
Reserve
28
FB61
Equivalent circuit
CH1 switching terminal
CH1 switching terminal
CH1 DRIVER GND terminal
CH1 DRIVER GND terminal
Test terminal
Battery input terminal
CH1 shutdown terminal
Analog GND terminal
CH2・4 shutdown terminal
CH5 feed buck terminal
CH5 DRIVER GND terminal
CH5 switching terminal
CH5 DRIVER power supply terminal
CH5 shutdown terminal
CH4 feed buck terminal
CH4 output terminal
CH4 output terminal
CH4 Boost side switching terminal
CH4 Boost side switching terminal
CH4 DRIVER GND terminal
CH4 DRIVER GND terminal
CH4 Buck side switching terminal
CH4 Buck side switching terminal
CH4 DRIVER power supply terminal
CH4 DRIVER power supply terminal
CH4 gate connecting terminal
Reserve terminal
CH6 feed buck terminal
（Constant current side）
O
O
G
G
Oï½¥G
V
G
G
Oï½¥G
G
G
O
V
Oï½¥G
G
O
O
O
O
G
G
O
O
V
V
O
Oï½¥G
G
Terminal No
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
Name
FB6
PGND6
SW6
LSO6
VBAT6
XSHDN6
RT
AGND2
VCC
PGND2
PGND2
SW2
SW2
VBAT2
VBAT2
FB2
TEST2
XSHDN3
VBAT3
DSW3
DPG3
PGND3
USW3
VOUT3
FB3
FB1
VOUT1
VOUT1
Equivalent circuit
CH6 feed buck terminal
（Constant current side）
CH6 DRIVER GND terminal
CH6 switching terminal
CH6 Load switch output terminal
CH6 Load switch input terminal
CH6 shutdown terminal
Triangle wave setting resistor terminal
Analog GND terminal
Analog power supply terminal
CH2 DRIVER GND terminal
CH2 DRIVER GND terminal
CH2 switching terminal
CH2 switching terminal
CH2 DRIVER power supply terminal
CH2 DRIVER power supply terminal
CH2 feed buck terminal
Test terminal
CH3 shutdown terminal
CH3 DRIVER power supply terminal
CH3 Buck side switching terminal
CH3 gate connecting terminal
CH3 DRIVER GND terminal
CH3 Boost side switching terminal
CH3 output terminal
CH3 feed buck terminal
CH1 feed buck terminal
CH1 output terminal
CH1 output terminal
G
G
O
O
V
Oï½¥G
(*1)
G
V
G
G
O
O
V
V
G
Oï½¥G
Oï½¥G
V
O
O
G
O
O
G
G
O
O
The alphabet on a right edge of the above-mentioned terminal explanation is processing of unused.
O・・・OPEN G・・・GND O･G・・・OPEN or GND V・・・Power supply (VBAT)
(*1)・・・10[KΩ]Pull-down
REV. B