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ACT88320 Datasheet(PDF) 53 Page - Qorvo, Inc

Part # ACT88320
Description  Advanced PMU with Inrush Control and Bypass Switch
PDF  57 Pages
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Manufacturer  QORVO [Qorvo, Inc]
Direct Link  https://www.qorvo.com/
Logo QORVO - Qorvo, Inc

ACT88320 Datasheet(HTML) 53 Page - Qorvo, Inc

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Data Sheet Rev. E, November 2019 | Subject to change without notice
53 of 57
www.qorvo.com
© 2020 Qorvo US, Inc. All rights reserved.
ACT88320
Advanced PMU with Inrush Control and Bypass Switch
CMI 109: ACT88320QI109-T
CMI 109 is optimized for the Silicon Motion SM2258H with a 3.3V input voltage. It is very similar to CMI 108 with the
following changes. Buck1 is configured as a load switch due to the 3.3V input voltage. OVGATE is disabled. LDO1 is
turned off and LDO2 is used for the Buck1 input trigger.
Voltage and Currents
Startup and Sequencing
Rail
Sequence Order
Sequencing Input
Trigger
StartUp Delay
(us)
Soft-Start (us)
Shutdown Delay
(us)
LDO2
1
VIN_UVLO
0
215
1500
Buck3
2
LDO2
500
600
1000
Buck1
3
Buck3
500
600
500
Buck2
4
Buck1
500
600
0
EXT_EN
5
Buck2
2500
n/a
500
LDO1
n/a
n/a
0
275
2000
LS1
n/a
n/a
0
n/a
0
Hardware Configuration
ACT88320QI109 does not have any special hardware setup considerations.
I2C Address
The ACT88320 7-bit I2C address is 0x25h. Use address 0x4Ah when writing and 0x4Bh when reading.
Rail
Active Mode
Voltage
VSET0 (V)
DVS Voltage
VSET1 (V)
DVS Voltage
Trigger
Sleep Mode
Voltage (V)
DPSLP Mode
Voltage (V)
Current
Limit (A)
Fsw
(kHz)
Buck1
3.3
3.3
n/a
Off
Off
4.6
2250
Buck2
1.8
1.8
n/a
Off
Off
3
2250
Buck3
1.15
1.15
GPIO4
1.15
1.15
3
1125
LDO1
Off
n/a
n/a
Off
Off
0.315
n/a
LDO2
1.8
n/a
n/a
1.8
1.8
0.315
N/A
EXT_EN
On
n/a
n/a
Off
Off
n/a
n/a
LS1
Off
n/a
n/a
Off
Off
n/a
n/a



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