APW8855 Datasheet, PDF (6/43 Pages) Anpec Electronics Coropration – High Current, High Frequency 7 Outputs Voltage Regulator and Power Management IC for High Performance Tablet and Ultra Notebook Applications

APW8855
10.Typical Application Circuit
10.1 Typical Application Circuit
VSYS(5.5V~19V)
3.3V Battery RTC(1.5V@4.5uA)
VSYS(5.5V~19V) ^CTL
50K
R8
C4 10uF
C5
10uF
1uF
C30
25
5V_LDO(5V@100mA)
4.7uF
C34
1
5V_ALW_LDO
5V_LDO
5VALW(5V@4A)
C40 C39 C38 C37
C3 C2 C1
NC NC NC NC NC NC NC
220uF
C41
C7
0.1uF
2.2uH
0
L1
R11
OCB
VIN BST EN _PVCC VCC
LX
APW8703 PWM
(TQFN4X4-23) _SMOD
OCSET
PGND OCB
AGND
Q1
R1 ^50K
5VALW
1uF
C6
4
5V_LDO
2
3
5V_ALW_PWM
5V_ALW_BYP
5V_ALW_FBP
1.8VALW(1.8V@3A)
C15
C16
47uF 47uF
C17
L3
0.47uH
C18
22uF 22uF
1V8_ALW_IN
20
19
1V8_ALW_LX
18
1V8_ALW_GND
17
1V8_ALW_FBP
1.8V RUN
5VALW
1.8VALW(1.8V@3A)
C19
C20
47uF 47uF
C21
L4
0.47uH
C22
22uF 22uF
I2CCLK
I2C DATA
1K
1K 50K
R4
R5
R6
5
1V5_ALW_IN
6
1V5_ALW_LX
7
1V5_ALW_GND
8
1V5_ALW_FBP
30
I2CCLK
29
I2CDATA
31
POK
POK2
10uF
2.2uF
C29
C36
CTL
26
28
3V3_LDO(3.3V@100mA)
24
3V3_ALW_LDO
4.7uF C35
VSYS(5.5V~19V)
3V3_ALW_PWM
3V3_ALW_BYP
3V3_ALW_FBP
C13 ^5V_LDO
R9
50K
1uF
VCC PVCC EN BST VIN
23
PWM APW8703
(TQFN4X4-23)
LX
SMOD
OCSET
AGND OCB PGND
Q2
21 ^5V_LDO
22
R2 50K
C27 ^5V_LDO
C11
10uF 10uF C12
C14
0.1uF
1uH
R12 0
L2
OCB
3V3ALW(3.3V@8A)
C8 C9 ^C10
NC NC NC
220uF
C42
1uF
VDDP_ALW_PWM
12
VCC PVCC BST VIN
PWM ^APW8703
SMOD ^(TQFN4X4-23)
OCSET
LX
EN
AGND OCB PGND
0K ^Q3
50K R3 R13
VDDP_ALW_FBN 5V_LDO
C25
C26
C28 ^{10uF 10uF}
VDDPALW(0.95V@8A)
0.1uF
C23 C24
R10
0.47uH
L5
10uF
10uF
50K
CTL
C43
220uF
OCB
10
VDDP_ALW_FBP ₁₁
VDDP_ALW-GPIO
9
VDDPALW
VDDP_ALW_GPIO goes low, VDDP_ALW =0.95V
VDDP_ALW_GPIO goes high, VDDP_ALW =1.05V
FCH_S5_IN
13
C32
10uF
FCH_S5(0.775V~1.35V@0.2A)
FCH_S5_OUT
14
C31
VDDNB(0.65V~1.35V)
22uF
CLT
CTL Low:Shutdown APW8855
CTL High:Enable APW8855
32
CTL
Q4
APW8855
GND
27
FCH_S5_REFIN
15
C33
10uF
1.8V_RUN
16
S5_MUX
R7 50K
S5_MUX
S5_MUX goes high, FCH_S5 VOUT track VDDNB
S5_MUX goes low, FCH_S5 VOUT will track VDDNB & 0.775V
Copyright © ANPEC Electronics Corp.
6
Rev. A.1 - Dec., 2015
www.anpec.com.tw