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General Description

DA9061 is a power management integrated circuit (PMIC) optimized for supplying systems with

single- and dual-core processors, I/O, DDR memory, and peripherals. It targets mobile device,

medical equipment, IVI systems, and FPGA based applications.

DA9061 features three buck converters providing a total current of 6 A. High efficiency is achieved

over a wide load range with PFM mode available for low power or sleep modes. All power switches

are integrated, therefore, external Schottky diodes are not required. Furthermore, low-profile

inductors can be used with DA9061. The four LDO regulators with programmable output voltage

provide up to 300 mA.

Dynamic voltage control (DVC) allows dynamic control of DA9061 supply voltages according to the

operating point of the system. It is controlled by writing directly to the registers using the I

2C

compatible 2-wire interface or the GPIOs.

DA9061 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.

An integrated watchdog timer monitors the system.

Five GPIOs are able to perform system functions, including: keypad supervision, application buck,

and timing-controlled external regulators/power switches or other ICs.

DA9061 is also available as an automotive AEC-Q100 Grade 2 version.

Key Features

■ Input voltage 2.8 V to 5.5 V

■ Three buck converters with dynamic voltage

control:

□ Buck1: 0.3 V to 1.57 V, 2.5 A

□ Buck2: 0.8 V to 3.34 V, 2 A

□ Buck3: 0.53 V to 1.8 V, 1.5 A

□ 3 MHz switching frequency (enables low

profile inductors)

■ Four LDO regulators:

□ LDO1: 0.9 V to 3.6 V, 100 mA

□ LDO2, LDO3, LDO4: 0.9 V to 3.6 V,

300 mA

■ Programmable power mode sequencer

■ System supply and junction temperature

monitoring

■ Watchdog timer

■ Five GPIOs

■ -40 °C to +125 °C junction temperature range

■ 40-pin QFN, 6 mm × 6 mm package, 0.5 mm

pitch

■ Automotive AEC-Q100 Grade 2 version

available