STW4811N

STw4811M STw4811N Power management for multimedia processors Features ■ 2 step-down converters – 1 to 1.45 V with 15 steps at 700 mA – 1.8 V at 600 mA for general purpose usage ■ 3 low-drop output regulators for different uses – PLL analog supplies: 1.05 V, 1.2 V, 1.3 V 1.8 V - 10 mA – Processor analog functions: 2.5 V - 10 mA – Auxiliary device: 1.5 V, 1.8V , 2.5 V, 2.8 V - 150 mA ■ USB OTG module – Full and low speed USB OTG transceiver – Charge-pump (5 V, 100 mA) for USB cable ■ Mass memory cards (SD/MMC/SDIO) – 1 linear regulator: 1.8 V, 1.85 V, 2.6 V, 2.7 V, 2.85 V, 3 V, 3.3 V - 150 mA – Level shifter ■ Miscellaneous – 32 kHz control for multimedia processor – Processor supply monitoring – Processor reset control – 2 serial I2C interfaces Applications ■ ST NomadikTM STn881x ■ Multimedia processor ■ Mobile phones, PDA, videophone STw4811 TFBGA 84 6x6x1.2mm 0.5mm pitch STw4811 VFBGA 84 4.6x4.6x1.0mm 0.4mm pitch Description STw4811 is a power management companion chip for multimedia processors used in portable applications. It supplies the multimedia processor including its memories and peripherals. STw4811 supports the main mass memory standard cards. SDIOTM is also supported and allows to connect multimedia peripherals like cameras. June 2010 CD00131784 Rev 4 1/85 www.stnwireless.com 1 Contents Contents STw4811M/STw4811N 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2 Functional block diagram . . ...