900844 Datasheet, PDF (2/118 Pages) Freescale Semiconductor, Inc – Integrated Power Management IC for Ultra-mobile and Embedded Applications

INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
....
GNDBAT
Power Path Manager
ADIN21
ADIN20
ADIN19
ADIN18
ADIN17
ADIN16
ADIN15
ADIN14
ADIN13
ADIN12
ADIN11
ADIN10
TSREF
Voltage / Current
Sensing /& Translation
Touch
Screen
Interface
MUX
GNDADC
SPIVCC
SPICSB
SPICLK
MOSI
MISO
GNDSPI
GNDAUD1
GNDAUD2
GNDAUD3
GNDAUD4
GNDRTC
XTAL1
XTAL2
CLK32K
32.768KHz
Crystal
OSC
SPI
Interface
32.768KHz
Internal
OSC
GNDCTRL
ICTEST
VIDEN0
VIDEN1
VID0
VID1
VID2
VID3
VID4
VID5
VID6
THERMTRIPB
PWRGD
RESETB
VRCOMP
PMICINT
EXITSTBY
PWRBTN
Timers
RTC
Calibration
PLL
Switchers
Enables & Control
Li-Cell
Charger
Power
Fail
Detect
Li-Cell
Switch
GPO Control
GPIO Control
Reference
Generation
10 Bit
ADC
Trigger
Handling
VPWR
Shift Register
A/D
Control
Shift Register
SPI Registers
Shift Register
Control
Startup
Sequencer
VID[6:0]
VIDEN[1:0]
VID
Controller
Thermal
Protection
Trim
SPI Control
SC990008048444
VCC
3600mA
Buck
VNN
1600mA
Buck
VDDQ
1500mA
Buck
Output
Driver
Output
Driver
REFGNDSW
GNDREFVCC
PVINCC
CSPCC
HSCCGT
SWFBCC
LSCCGT
PGNDCC
VOUTFBCC
PVINNN
CSPNN
HSNNGT
SWFBNN
LSNNGT
PGNDNN
VOUTFBNN
Output
Driver
PVINDDQ
SWDDQ
PGNDDDQ
FBDDQ
V21
1000mA
Buck
Output
Driver
PVIN21
SW21
PGND21
FB21
V15
1500mA
Buck
Output
Driver
PVIN15
SW15
PGND15
FB15
Package Pin Legend
SC900844
Output pin
Input pin
Bi-directional pin
Figure 2. 900844 Internal Block Diagram
900844
2
Analog Integrated Circuit Device Data
Freescale Semiconductor