RT3614EE
Typical Application Circuit
RT3614EE
DRVEN
15
V
V
V
V
IN
R1
5V
R2
R32
R33
C12
6.2Ω
C13
C14
L1
24
VCC
GND
BOOT
Q1
VCC
5V
C1
C11
UGATE
4.7µF
Optional
R3
R4
12
20
PHASE
LGATE
PWM
EN
RT9610C
SET3
PWM1
R5
R7
R6
R8
C16
DRVEN
22
21
R35
R44
R51
R36
R34
C15
SET1
SET2
V
Q2 x 2
REF
Optional
R37
4
R9 R10
R12 R13
R11
R14
ISEN1P
ISEN1N
R38
3
C17
0.1µF
V
680Ω
SS_SENSE
IN
V
CC_SENSE
5V
R39
R40
C19
R16
VCC
GND
C20
C21
L2
BOOT
Q3
R42
R15
7
8
V
TSEN
VIN
C18
REF
R41
UGATE
RNTC1
Optional
C24
R17
Optional
V
CORE_OUT
LOAD
13
PHASE
LGATE
PWM
EN
RT9610C
PWM2
C25
C26
DRVEN
R45
C23
R18
R43
C22
Q4 x 2
VIN
Optional
R46
C2
C3
R19
1
ISEN2P
ISEN2N
R47
2
23
26
PSYS
C27
0.1µF
680Ω
IN
5V
V
REF
VREF06
C29
R21
R48
C30
C31
L3
VCC
GND
BOOT
Q5
R20
3.9Ω
R49
R23
R22
C28
RNTC2
UGATE
25
C4
IMON
Optional
0.47µF
11
PHASE
PWM
EN
RT9610C
PWM3
VCCST
3.3V
R52
C33
DRVEN
LGATE
R50
C32
Q6 x 2
Optional
R53
R24 R25 R26 R27 R28
5
ISEN3P
ISEN3N
10
16
R54
6
VR_READY
VR_HOT#
VCLK
C34
0.1µF
680Ω
19
18
17
IN
5V
VDIO
To CPU
C36
R55
R56
VCC
GND
C37
C38
L4
BOOT
Q7
ALERT#
C35
UGATE
R29
9
Enable
VRON
Optional
14
PHASE
LGATE
C5
PWM
EN
RT9610C
PWM4
DRVEN
C40
R58
R59
R57
C39
28
Q8 x 2
VSEN
C6
C7
Optional
R60
32
ISEN4P
ISEN4N
R30
R31
Optional
C8
R61
31
29
COMP
V
CC_SENSE
680Ω
C41
0.1µF
30
27
C9
FB
33 (Exposed Pad)
Optional
GND
RGND
V
SS_SENSE
C10
Optional
Copyright 2019 Richtek Technology Corporation. All rights reserved.
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is a registered trademark of Richtek Technology Corporation.
www.richtek.com
10
DS3614EE-01 December 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
