SM8150A Datasheet (NPC)

SM8150A, PMIC

Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Name DIN3 DIN2 DIN1 VOUT C1P C2P C2M PGND1 C1M VIN1 VEN SBN SCL SDA VIN2 LX PGND2 FB LDOUT2 VIN3 LDOUT1 VREF GND2 DIN7 DIN6 DIN5 GND1 DIN4 I/O Description O LED drive current control output 3 (group A) *1 O LED d

SM8150A PMIC with White LED Driver 1.

OVERVIEW The SM8150A is a charge pump type white LED driver, with 2-system programmable LDOs (Low Dropout Regulator), and step-down DC/DC converter power management IC.

The white LED driver provides constant- current drive for 1 to 6 backlight white LED connected in parallel and 1 torch/strobe white LED.

The charge pump automatically selects between ×1 mode, ×1.5 boost mode, and ×2 boost mode in response to battery volt- age, LED drive life.

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SM8150A Features

* I Optimum speciﬁcations for clamshell cellular phone with camera

* LCD backlight: Main-4ch/Sub-2ch (max 25mA/ch)

* Camera ﬂash: 1ch (max 300mA) I Power saving design by automatic mode selection of charge pump

* Power at ×1.5 mode is reduced by 25% from ×2 mode

* Power