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DA9141 Datasheet(PDF) 8 Page - Dialog Semiconductor

Part # DA9141
Description  High-Performance, 25 A/40 A Peak, DC-DC Converter
PDF  46 Pages
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Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA9141 Datasheet(HTML) 8 Page - Dialog Semiconductor

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DA9141
High-Performance, 25 A/40 A Peak, DC-DC Converter
Datasheet
Revision 1.6
25-Aug-2021
CFR0011-120-00
8 of 46
© 2021 Dialog Semiconductor
Pin #
Pin Name
Type
(Table 2)
Drive
(mA)
Description
A5, B5,
C5, D5
LX2
AIO
10000
Switch node of buck, connect a 100 nH inductor between
LX2 and output capacitor
A6, B6,
C6, D6
PVDD2
PWR
10000
Supply voltage for buck power stage, decouple with 10 µF
and connect to same source as AVDD
E1
GPIO1
DIO
10
General purpose I/O
E2
GPIO2
DIO
10
General purpose I/O
E3, F2
AGND
GND
10
Analog control and auxiliary circuitry GND
E4
FBP
AI
10
Buck positive node of differential voltage feedback,
connect to VOUT1 at point of load
E5, F5
AVDD
PWR
10
Supply rail for analog control circuitry, decouple with 1 µF
and connect to same source as PVDD
E6
SCL/GPIO3
DIO
15
I2C clock or general purpose I/O
F1
CONF/GPIO0
AI/DIO
10
Chip configuration or general purpose I/O
F3
IC_EN
AI
10
Powers up I2C control interface and auxiliary circuitry
(including bandgap, oscillator, and references)
F4
FBN
AI
10
Buck negative node of differential voltage feedback,
connect to GND at point of load
F6
SDA/GPIO4
DIO
15
I2C data or general purpose I/O
G1, H1,
J1, K1
PVDD3
PWR
10000
Supply voltage for buck power stage, decouple with 10 µF
and connect to same source as AVDD
G2, H2,
J2, K2
LX3
AIO
10000
Switch node of buck, connect a 100 nH inductor between
LX3 and output capacitor
G3, H3,
J3, K3
PGND3
GND
10000
Buck power stage VSS rail
G4, H4,
J4, K4
PGND4
GND
10000
Buck power stage VSS rail
G5, H5,
J5, K5
LX4
AIO
10000
Switch node of buck, connect a 100 nH inductor between
LX4 and output capacitor
G6, H6,
J6, K6
PVDD4
PWR
10000
Supply voltage for buck power stage, decouple with 10 µF
and connect to same source as AVDD
Table 2: Pin Type Definition
Pin Type
Description
Pin Type
Description
DI
Digital input
AI
Analog input
DO
Digital output
AO
Analog output
DIO
Digital input/output
AIO
Analog input/output
PWR
Power
GND
Ground



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