LG KE600 Service Manual - Page 33
Top level block diagram of the SM-PowerPMB6812 - games
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3. TECHNICAL BRIEF Figure 4 Top level block diagram of the SM-Power(PMB6812) SM-POWER is a further step on the successful E-Power product line with enhanced and optimized functionality. SM-POWER features a baseband supply concept with a DC/DC step-down converter (SDBB) cascaded by two linear regulators (LBB1/2) - SM-POWER's DC/DC converter makes up to 40 % reduction of battery current for smart phone functions (e.g. organizer functions, games, MP3 decoding) possible. - SDBB has high efficiency up to 95% and also a power save mode. - Memory Interface is directly supported by the SDBB - SDBB can also act as main supply voltage for E-GOLD+ or S-GOLDlite baseband devices. - For S-GOLD two linear regulators for DSP and Core are cascaded after the SDBB. - 34 -