SMB113A/B/SMB117/A
Preliminary Information
APPLICATIONS INFORMATION (CONTINUED)
D1 Schottky VIN
Q2(P)
C12 0.1uF
R4 1K
C16
C17
0.1uF
22uF
Q5
FDC6420C
L1
R5
0
1
CH0
Q1(N)
3.3uH
D8
C5
C7
0.1uF
22uF
VBATT
U1
C8
330pF
R9
SMB113A
C9
22pF
49.9K
1
HSDRV_CH0
31
3
LSDRV_CH0
COMP1_CH0
COMP2_CH0
VM_CH0
R2 499
HEALTHY/nRESET
HOST_RESET
PWREN0
1
1
1
2
11
26
4
HEALTHY
5
R1 4.99K C10 3300pF
Q2(P)
32
HVSUP0
R3 100
HOST_RESET
PWREN0
10
8
HSDRV_CH1
LSDRV_CH1
COMP1_CH1
COMP2_CH1
VM_CH1
D3 Schottky VIN
R12 1K
12
13
14
9
C18 0.1uF
Q4
FDC6420C
+12V
VIN
6
7
SDA
SCL
SDA
SCL
HVSUP1
L2
3.3uH
SW1
C22
19
17
21
20
22
18
C20
0.1uF
HSDRV_CH2
LSDRV_CH2
COMP1_CH2
COMP2_CH2
VM_CH2
Q1(N)
22uF
C25
0.1uF
R10
1K
D9
1
CH1
C34
C35
R13
0
C36
HVSUP2
330pF
22uF
0.1uF
Q1
NPN
25
23
28
27
29
24
C37 22pF
HSDRV_CH3
LSDRV_CH3
COMP1_CH3
COMP2_CH3
VM_CH3
VBATT
D7
5.6V
16
15
VBATT
R23 499
VDDCAP
R22 4.99K C38 3300pF
HVSUP3
1
VBATT
C15
1uF
C14 C2
0.1uF 1uF
C1
R14 100
Q2(P)
VBATT
0.1uF
D5 Schottky VIN
R16 1K
C24 0.1uF
Q3
C11
0.1uF
Optional For Programming SMB113A
L3
C29
C27
0.1uF
Q1(N)
NP
DongleVCC
22uF
3.3uH
FDC6420C
D10
1
C41
CH2
C13
C40
R7
R30
47K
DongleVCC
0.1uF
C42
330pF
J1
47K
D2
VBATT
R17
0
22uF
0.1uF
10
8
9
7
5
3
1
C43 22pF
Rsrv10
Rsrv8
MR
+5V
+10V
Rsrv5
Gnd3
Gnd
6
4
R25 499
SDA
SCL
SDA
2
SCL
C19
R24 4.99K C44 3300pF
0.1uF
I2C
R37 100
C21
Q2
Q2(P)
0.1uF
D6 Schottky
R19 1K
VIN
C30 0.1uF
L4
C32
C31
0.1uF
Q1(N)
FDC6420C
22uF
3.3uH
D11
1
CH3
C46
C47
C48
330pF
R20
0
22uF
0.1uF
C49 22pF
R29 499
R28 4.99K C50 3300pF
R39 100
Figure 9 – Applications schematic showing SMB113A operation from a +12V input supply.
Summit Microelectronics, Inc
2111 2.4 6/24/2008
21
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
