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DA9210 Datasheet Preview

DA9210 Datasheet

Multi-Phase 12A DC-DC Buck Converter

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DA9210
DA9210 Multi-Phase 12 A DC-DC Buck Converter
General Description
DA9210 is a multi-phase synchronous step-down converter suitable for supplying the CPU power in
automotive in-vehicle infotainment systems, smartphones, mobile computing, and other handheld
applications, which require high currents to run the processor core.
DA9210 is designed to operate with four phases, each phase using a small external 0.47 µH
inductor. The buck is capable of delivering up to 12 A continuous output current with an output
voltage of 0.3 V to 1.57 V. The input voltage range of 2.8 V to 5.5 V makes it suited for a wide variety
of low voltage systems, including all Li-Ion battery supplied applications. Two DA9210s can be used
in parallel to deliver an output current of up to 24 A.
The DA9210 point-of-load remote-sensing feature guarantees the highest accuracy while supporting
multiple PCB routing scenarios without loss of performance. The highly-integrated design removes
the need for external switching FETs or Schottky diodes.
A programmable soft start-up can be enabled, which limits the inrush current from the input node and
ensures a slope controlled activation of the rail.
The Dynamic Voltage Control (DVC) supports adaptive adjustment of the supply voltage dependent
on the processor load. This is done via direct register write through the communication interface (I2C
or SPI compatible), via the dedicated DVC control interface, or via a programmable input pin.
DA9210 integrates over-temperature and over-current protection for increased system reliability,
without the need for external sensing components. A Power Good and Over-Current Alarm output
informs the CPU of an out range voltage output and if the current exceeds a programmable limit,
thereby enabling the processor to reduce its consumption before the supply rail collapses.
Key Features
2.8 V to 5.5 V input voltage
0.3 V to 1.57 V output voltage
12 A output current
24 A output current in parallel configuration
3 MHz nominal switching frequency
Enables use of low-profile inductors
Output voltage accuracy ±2.5 %
Dynamic Voltage Control (DVC)
Automatic phase shedding
Integrated power switches
Remote sensing at point-of-load
Power Good and Over-Current Alarm signal
Interfaces:
I2C and SPI
Dedicated DVC
GPIO
Adjustable soft-start
-40 ºC to +125 ºC junction temperature
operation
Regulator supervision with automatic under-
voltage and over-voltage protection
AEC Q100 grade 3 automotive option
Package 48 WLCSP (Route EasyTM,
equivalent to 0.8 mm pitch)
Package 42 VFBGA 0.8 mm pitch
(automotive)
Datasheet
CFR0011-120-00
Revision 2.1
1 of 92
28-Oct-2016
© 2016 Dialog Semiconductor




Dialog Semiconductor

DA9210 Datasheet Preview

DA9210 Datasheet

Multi-Phase 12A DC-DC Buck Converter

No Preview Available !

DA9210
DA9210 Multi-Phase 12 A DC-DC Buck Converter
Applications
High performance multi-core system-on-chip Tablet PCs
(SoC) applications
Smartphones
Mobile phones
UltrabooksTM
In-car infotainment/dashboard
Portable navigation devices
TV and media players
Embedded industrial systems
System Diagram
1µF
EN_CHIP
OTP
DIGITAL
GPIO0
GPIO
MEMORY
CORE
Verror/
GPIO
GPIO1
Iphase/
REGISTER
SPACE
BIAS
SUPERV
OSC
GPIO
GPIO2
CTRL
+
DRIVE
BUCK_CLK/
GPIO3
AC_OK/
GPIO4
GPIO
GPIO
2/4-WIRE / DVC CTRL
INTERFACE
DVS
DAC
OC_PG/
nIRQ
OUT
4x 10µF
4x 0.47µH
VOUT_SENSE
4x 47µF
L/C/R PCB-CPU
VSS_NOISY
VSS_SENSE
VSS_QUIET
220nF
Figure 1: System Diagram
Datasheet
CFR0011-120-00
Revision 2.1
2 of 92
28-Oct-2016
© 2016 Dialog Semiconductor


Part Number DA9210
Description Multi-Phase 12A DC-DC Buck Converter
Maker Dialog Semiconductor
Total Page 30 Pages
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