innovative power tm - 1 - www.active-semi.com copyright ? 2012 active-semi, inc. activepmu tm is a trademark of active-semi. i 2 c tm is a trademark of nxp. product brief, 05-dec-12 ACT8892 advanced power management unit features ? three step-down dc/dc converters ? four low-dropout linear regulators ? i 2 c tm serial interface ? advanced enable/disable sequencing controller ? minimal external components ? tiny 44mm tqfn44-32 package ? 0.75mm package height ? pb-free and rohs compliant general description the ACT8892 is a complete, cost effective, highly- efficient activepmu tm power management solution that is ideal for a wide range of high performance portable handheld applications such as tablet or pad devices. this device features three step-down dc/dc converters and four low-noise, low-dropout linear regulators. the three dc/dc converters utilize a high- efficiency, fixed-frequency (2mhz), current-mode pwm control architecture that requires a minimum number of external components. two dc/dcs are capable of supplying up to 1150ma of output current, while the third supports up to 1300ma. all four low-dropout linear regulators are high- performance, low-noise, regulators that supply up to 320ma. the ACT8892 is available in a compact, pb-free and rohs-compliant tqfn44-32 package. typical application diagram out2 0.6v to 3.9v up to 1150ma out5 0.6v to 3.9v up to 320ma system control out4 0.6v to 3.9v up to 320ma npbin scl vsys out1 0.6v to 3.9v up to 1150ma pwrhld sda out7 0.6v to 3.9v up to 320ma out6 0.6v to 3.9v up to 320ma pwren nrsto nirq npbstat ACT8892 reg6 ldo reg5 ldo reg4 ldo reg2 step-down dc/dc reg1 step-down dc/dc reg7 ldo out3 0.6v to 3.9v up to 1300ma reg3 step-down dc/dc vsel battery
ACT8892 product brief, 05-dec-12 innovative power tm - 2 - www.active-semi.com copyright ? 2012 active-semi, inc. activepmu tm is a trademark of active-semi. i 2 c tm is a trademark of nxp. functional block diagram product options block function output voltage capability reg1 step-down dc/dc 0.6v to 3.9v 1150ma reg2 step-down dc/dc 0.6v to 3.9v 1150ma reg3 step-down dc/dc 0.6v to 3.9v 1300ma reg4 low-noise ldo 0.6v to 3.9v 320ma reg5 low-noise ldo 0.6v to 3.9v 320ma reg6 low-noise ldo 0.6v to 3.9v 320ma reg7 low-noise ldo 0.6v to 3.9v 320ma
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