The DA9053 device is a small (7 x 7 mm, 0.5mm pitch) 169 ball VFBGA that provides nearly all power
supply functions for the Quick Start board. The following is a feature list of the major functionality
provided by the DA9053 PMIC for the Quick Start board:
• Power Supply resources:
o 12 Low Drop Out (LDO) regulators
1 for internal PMIC purposes only (LDOCORE)
1 for charging optional back up coin cell
10 for platform needs
o 4 DC/DC Buck Converters (3 with DVS)
1 for the ARM Core supply (VBUCKCORE)
1 for the Peripheral Core supply (VBUCKPRO)
1 for the external SDRAM memory (VBUCKMEM)
1 for the internal cache memory (VBUCKPERI)
o 1 White LED driver and boost converter
• Li-ION battery Charger
• Resistive touch screen interface
• Expansion Port Card ID detect
• Wall voltage supply over-voltage protection
• 1 HS-I2C interface
• External LDO regulator enable