RT5035A/B
Typical Application Circuit
RT5035A/B
L1
2.2μH
26
1
PVDD5
LX1
V
V
BAT
BAT
C
C
IN1
IN5
4.7μF
4.7μF
L5
2.2μH
40
V
VOUT1
PVDD2
MOTOR
25
27
C
OUT1
LX5
VOUT5
10μF x 2
VOUT5/FB5
24
V
C
BAT
OUT5
C
IN2
10μF
10μF
13
5
L2
BAT
V
BAT
C
BAT
2.2μH
23
21
LX2A
LX2B
4.7μF
V
MOTOR
PVDD6
VOUT6
C
IN6
1μF
19
32
4
VOUT2
VOUT2
PVDD3
VOUT6
C
C
2.2μF
OUT2
OUT6
R6
5k
10μF x 2
V
BAT
C
IN3
L3
1.2μH
10μF
D7
Back Light
30
33
LX3
VOUT3
C
OUT7
1μF
D1
D2
D3
D4
VOUT3/FB3
L7
10μH
C
OUT3
40μF
6
3
LX7
FB7
V
BAT
C
8
IN7
PVDD4/10
V
BAT
D5
D6
1μF
C
IN4
4.7μF
L4
2.2μH
R
10
EXT
7
LX4
VOUT4
14
VOUT4/SWI
28
29
VOUT8
PVDD8
VOUT8
C
OUT4
C
2.2μF
OUT8
10μF
V
I/O
3.25V
V
MOTOR
C
IN8
R
R
SDA
SCL
1μF
18
17
16
SCL
SDA
L10
2
I C Bus
2.2μH
9
LX10
VOUT10
15
SWO
SWO
VOUT10/FB10
VDDM
C
C
SWO
10μF
OUT10
10μF
V
38
2
12
DDM
CP
To ASIC Power Sequencer
C
VDDM
C
10nF
CP
2.2μF
R
RESET
10k
11
10
CN
V
RESET
DDM
VNEG
To ASIC Power Sequencer
C
VNEG
1μF
R
RTCPWR
1k
37
RTCPWR
+
C
1μF
39
20
34
RTCPWR
Backup
Battery
SYNC
R
31
36
SEQ
To ASIC Power Sequencer
C32K
XIN
SEQ
C
XIN
Y1
RTCGND
15pF
35
22
XOUT
EN
C
XOUT
41 (Exposed Pad)
15pF
From ASIC
Power Sequencer
GND
Chip Enable
Copyright © 2020 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS5035A/B-03 February 2020
www.richtek.com
15
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
