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Dialog Semiconductor - Entry level PMIC

Numéro de référence DA9062
Description Entry level PMIC
Fabricant Dialog Semiconductor 
Logo Dialog Semiconductor 





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DA9062 fiche technique
DA9062
Entry level PMIC for applications requiring up to 8.5 A
General description
DA9062 is a power management integrated circuit (PMIC) optimised for supplying systems with
single- and dual-core processors, I/O, DDR memory, and peripherals. It targets mobile device,
medical equipment, entry level IVI system, and FPGA based applications.
DA9062 features four buck converters providing a total current of 8.5 A. High efficiency is achieved
over a wide load range by using automatic Pulse Frequency Modulation (PFM) mode. All power
switches are integrated, therefore, external Schottky diodes are not required. Furthermore, low-
profile inductors can be used with DA9062. Two of the buck converters can be used in a dual-phase
configuration, and one can be used as a DDR VTT supply. The four LDO regulators with
programmable output voltage provide up to 300 mA.
Dynamic voltage control (DVC) allows dynamic control of DA9062 supply voltages according to the
operating point of the system. It is controlled by writing directly to the registers using the I2C
compatible 2-wire interface or the GPIOs.
DA9062 features a programmable power sequencer that handles start-up and shutdown sequences.
Power mode transitions can be triggered with software control, GPIOs, or with the on-key. Several
types of on-key presses can be detected to trigger different power mode transitions.
The real-time clock (RTC) with an external 32 kHz crystal oscillator provides time keeping and alarm
functions. Additionally, the integrated watchdog timer monitors the system.
Five GPIOs are able to perform system functions, including: keypad supervision, application wakeup,
and timing-controlled external regulators/power switches or other ICs.
DA9062 is also available as an automotive AEC-Q100 Grade 3 version.
Key features
Input voltage 2.8 to 5.5 V
Programmable power mode sequencer
Four buck converters with dynamic voltage System supply and junction temperature
control:
monitoring
Buck1: 0.3 to 1.57 V, 2.5 A
Watchdog timer
Buck2: 0.3 to 1.57 V, 2.5 A
Five GPIOs
(can be used in dual-phase configuration Coin cell/super-capacitor charger
with Buck1)
Buck3: 0.8 to 3.34 V, 2 A
Buck4: 0.53 to 1.8 V, 1.5 A
(can be used as DDR VTT supply)
Ultra-low power real-time clock with alarm
32 kHz oscillator with external crystal
-40 to +85 °C temperature range
3 MHz switching frequency
40-pin QFN 6×6 mm package, 0.5 mm pitch
(enables low profile inductors)
(exposed paddle)
Four LDO regulators:
Automotive AEC-Q100 Grade 3 variant
LDO1: 0.9 to 3.6 V, 100 mA
available
LDO2, LDO3, LDO4: 0.9 to 3.6 V, 300 mA
Applications
Supply for single core application processors
Power supply for entry-level FPGAs
E-book readers and entry-level car
infotainment
Datasheet
Revision 3.2
1 of 93
18-Feb-2015
© 2016 Dialog Semiconductor

PagesPages 30
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