LP3910 Datasheet, PDF(26/72 Page) Texas Instruments – Power Management IC for Hard-Drive-Based Portable Media Players

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LP3910 Datasheet, PDF (26/72 Pages) Texas Instruments – Power Management IC for Hard-Drive-Based Portable Media Players

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LP3910

SNVS481M â NOVEMBER 2006 â REVISED DECEMBER 2015

8.2 Functional Block Diagram

www.ti.com

ADC1 12

ADC2 11

VDD2 42

VDD3 41

VBATT3 43

VBATT2 44

ISENSE 10

CHG_DET 47

USBPWR 45

VDD1 46

VBATT1 2

TS 1

VREFH 4

VREFHI

IREF 48

VDDIO 28

USBSUSP 37

USBISEL 38

CHG 15

STAT 16

ONOFF 26

I2C_SCL 27

I2C_SDA 29

IREF

I2C

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ADC

LINEAR

CHARGER

BATTERY

MONITOR

OSC

TSD

LOGIC

AGND

DGND

BUCK

BOOST

BUCK2

BUCK1

LDO2

LDO1

36 VIN4

35 VBBL1

33 VBBL2

32 VBBOUT

31 VBBFB

34 BBGND1

39 BBGND2

22 VIN3

23 VBUCK2

25 VFB2

24 BCK2GND

21 VIN2

20 VBUCK1

18 VFB1

17 BUCK1EN

19 BCK1GND

5 LDO2EN

6 VLDO2

7 VIN1

8 VLDO1

30 ONSTAT

14 NRST

13 IRQB

9 POWERACK

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