Description
STw4510 is a 7-channel integrated power management device for application powered by one Li-Ion or Li-Polymer cell. STw4510 embeds 2 highly efficient step-down DC/DC converters and 5 LDO regulators. It has been designed to typically supply portable processor and its peripherals. Thanks to the multiple output voltages, high current capability and programmable start-up value, it can easily adapt to various applications. TFBGA84 6 mm x 6 mm x 1.2 mm 0.5 mm pitch TFBGA49 4 mm x 4 mm x 1.2 mm 0.5 mm pitch

Features
■ 2 Step-down converters – Vsdc1: 1 to 1.5 V with . 15 steps at 600 mA (I2C control available) . Programmable start-up value (1.2V by default) – Vsdc2: 1.8 V at 600 mA for general purpose usage
■ 5 Low-drop output regulators for different uses – Vdig: 1.0V (100mA), 1.2V, 1.5V (250 mA) . Can be supplied by Vsdc2 to minimize the voltage drop . Programmable start-up value (1.2V by default) – Vana1: 1.5, 1.8, 2.5, 2.8 V - 150 mA – Vana2: 1.8, 2.8, 3.0, 3.3 V - 150 mA – Vana3: 1.8, 2.8, 3.0, 3.3 V - 150 mA – Vmmc: 1.8, 2.5, 2.85, 3.0 V - 150mA
■ Miscellaneous – Vana(i) have programmable start-up output voltage and ON or OFF (default) status – 32 kHz input used for state machine – Processor supply monitoring – Processor reset control – Control by serial I2C interface –

Applications
■ Any portable application – Mobile phones – Personal digital assistants (PDA) – Portable media players