900844 datasheet(2/118 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

900844

INTERNAL BLOCK DIAGRAM

Figure 2. 900844 Internal Block Diagram

GNDADC

10 Bit

ADC

Thermal

Protection

Power Path Manager

SC900844

TSREF

Touch

Screen

Interface

SPI Control

VPWR

Li-Cell

Switch

Switchers

RTC

Calibration

PLL

SPIVCC

SPICLK

GNDSPI

MISO

MOSI

Shift Register

Control

ADIN21

MUX

GPO Control

GPIO Control

....

ADIN20

ADIN19

ADIN18

ADIN17

ADIN16

ADIN15

ADIN14

ADIN13

ADIN12

ADIN11

ADIN10

Voltage / Current

Sensing /& Translation

SPICSB

SPI

Interface

SPI Registers

Shift Register

A / D

Control

Trigger

Handling

GNDAUD1

GNDAUD2

GNDAUD3

GNDAUD4

32.768KHz

Internal

OSC

32.768KHz

Crystal

OSC

GNDRTC

XTAL1

XTAL2

CLK32K

GNDCTRL

ICTEST

VIDEN0

VIDEN1

VID0

VID1

VID2

VID3

VID4

VID5

VID6

PWRGD

RESETB

VRCOMP

PMICINT

EXITSTBY

THERMTRIPB

PWRBTN

Enables & Control

Timers

Li-Cell

Charger

Power

Fail

Detect

PVINDDQ

PGNDDDQ

FBDDQ

SWDDQ

PVINCC

VOUTFBCC

HSCCGT

LSCCGT

SWFBCC

CSPCC

PGNDCC

VID[6:0]

VIDEN[1:0]

REFGNDSW

GNDREFVCC

GNDBAT

Startup

Sequencer

Trim

Reference

Generation

VCC

3600mA

Buck

VID

Controller

Output

Driver

VNN

1600mA

Buck

Output

Driver

PVINNN

VOUTFBNN

HSNNGT

LSNNGT

SWFBNN

CSPNN

PGNDNN

VDDQ

1500mA

Buck

Output

Driver

V21

1000mA

Buck

PVIN21

PGND21

FB21

SW21

Output

Driver

V15

1500mA

Buck

Output

Driver

PVIN15

PGND15

FB15

SW15

900844

Output pin

Input pin

Bi-directional pin

Package Pin Legend

SC900844

900844 数据表(PDF) 2 Page - Freescale Semiconductor, Inc

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900844 数据表(PDF) 2 Page - Freescale Semiconductor, Inc

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