ver: 0.2 may 31, 2013 tel: 886-3-5788833 http://www.gmt.com.tw 1 G2207 global mixed-mode technology 6+6 channels pmu for dsc features ? 2.5v ~ 5.5v input voltage operation ? 95% efficient dc/dc converter ? built-in 1-ch synchronous boost converter, 1-ch auto buck-boost converter, 3-ch synchronous buck converter, 1-ch wled driver, 4-ch ldos, 1-ch power switch for cmos image sensor, and 1-ch low quiescent current ldo for rtc. ? 32-steps brightness control by i 2 c for wled driver ? low power consumption (sleep mode ) < 10a. ? built-in selectable power on/off sequence. ? built-in short circuit protection (scp), under voltage protection (uvp), and cycle-by cycle current limit for dc/dc converters. ? built-in thermal shutdown function. ? built-in battery ovp function. ? tqfn40 package (5mmx5mm). general description the G2207 provide a complete power supply solution for digital cameras. they improve performance, component count, and size compared to other multi-channel controllers in 1-cell li-ion. on-chip mosfets provide up to 92~95% efficiency for critical power supplies. all channels dc/dc operate at one fixed frequency of 1.5mhz/750khz to optimize size, cost, and efficiency. all synchronous converters operate at pulse skipping mode at light load. they also feature true-shutdown as well as internal compensation to minimize external component count. applications dsc and dv power supply ordering information order number marking temp. range package (green) G2207rg1u 2207 -35 c~+85 c tqfn5x5-40 note: rg:tqfn5x5-40 1: bonding code u: tape & reel pin configuration out6 out8 out7 in7 in6 fb2 vout2 lx2u lx2d seq_0 seq_1 lx4 swi swo vout10 lx10 reset_out out9 in9 in8 pvcc4 sda scl pwr_down lx1 pvcc1 onpmu 1 2 3 4 5 6 7 8 9 10 pvcc5 lx5 det_out det_in vcc rtcout bat 11 12 13 14 15 16 17 18 19 20 G2207 tqfn5x5-40 thermal pad 30 29 28 27 26 25 24 23 22 21 40 39 38 37 36 35 34 33 32 31 lx3 pvcc3 fb10 fb3 note: recommend connecting the thermal pad to the ground for excellent power dissipation. fb4 vofb5 out6 out8 out7 in7 in6 fb2 vout2 lx2u lx2d seq_0 seq_1 lx4 swi swo vout10 lx10 reset_out out9 in9 in8 pvcc4 sda scl pwr_down lx1 pvcc1 onpmu 1 2 3 4 5 6 7 8 9 10 pvcc5 lx5 det_out det_in vcc rtcout bat 11 12 13 14 15 16 17 18 19 20 G2207 tqfn5x5-40 thermal pad 30 29 28 27 26 25 24 23 22 21 40 39 38 37 36 35 34 33 32 31 lx3 pvcc3 fb10 fb3 note: recommend connecting the thermal pad to the ground for excellent power dissipation. fb4 vofb5
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