Applications Circuit - Analog Devices ADP50460008 Owner's Manual

ADI Confidential

APPLICATIONS CIRCUIT

FILTER OR RESISTOR
FROM CHANNEL 1
(V )
OUT1
VDDIO
10kΩ
2
I C
4.5V TO 5.2V
10µF
2.2µH
V
VBATT
10µF
4.7µH
V
VBATT
10µF
1µF
V
VBATT
10µF
1.6V ADJ
22µF
V
VBATT
1µF
BACKUP
BATTERY
FROM CHANNEL 2
VDDIO
(V )
OUT2
4D
10kΩ
SCL
5E
2
I C
SDA
INTERFACE
4E
VOUT1
8D
VOUT1
7D
CHANNEL 1
SW1
SYNC
7E
BOOST
SW1
8E
SW1
7F
SW1
8F
DAC
PGND1
7G
PGND1
8G
ISET7
3C
SW7
1A
15kΩ
CHANNEL 7
PGND7
2A
OVP7
3B
LSTR7
4B
DAC
BLGND7
3A
PVIN6
1G
2.2µH
SW6
1H CHANNEL 6
PGND6
2H
STEP-DOWN
FB6
DAC
2G
VBATT
5F
VREGO
6F
1µF
KEEP
POCO
4G ALIVE LDO
UVLO_VREGO
RESET
470Ω
BU3INT
BACKUP BATTERY
8H
CHARGER
UVLO_VREGO
1µF
RTCGND
RTC
6G
XOUT XIN
6H 7H
15pF 15pF
FC135-32K
(EPSON-TOYOCOM)
Figure 62. Typical Applications Circuit
1µF
6E 5D 6D
ENABLE
BUFFER
REGISTERS
CHANNEL 3
POWER
SEQ STEP-DOWN
DAC
2.5MHz
OSCILLATOR
CHANNEL 4
REF
0.5V
STEP-DOWN
DAC
CHANNEL 5
LOAD
SWITCH
CHANNEL 2
BUCK-BOOST
DAC
CHANNEL 9
KEEP ALIVE
LDO
CHANNEL
DAC
CLKO ALMO
5G 3D
32kHz
CLOCK OUT
Rev. Sp0 | Page 55 of 60
V
VREGO
KEY
CONTROLLER/
SUB-CPU
POWER
3F
KEY
PVIN3
8A
V
VBATT
PVIN3
8B
SW3
1.3µH
7A
SW3
7B
PGND3
6A
PGND3
6B
DL3
5B
FB3
6C
V
VBATT
PVIN4
5H
2.2µH
SW4
4H
PGND4
3H
FB4
3G
VIN5
4A
VOUT5
5A
PVIN2
2B
PVIN2
1B
SWA2
2C
SWA2
1C
2.2µH
PGND2
2D
VOUT2
2F 2F
VOUT2
1F 1F
SWB2
1E 1E
SWB2
2E 2E
PGND2
1D 1D
8 LDO
VIN8
7C
1µF
VOUT8
8C 3.1V TO 3.4V
1µF
ADP50460008
10µF
44µF
10µF
1.6V ADJ
10µF
V
VBATT
10µF
3.3V TO 3.65V
10µF