Datasheet

INTERNAL BLOCK DIAGRAM
Analog Integrated Circuit Device Data
Freescale Semiconductor 3
MC13892
INTERNAL BLOCK DIAGRAM
Figure 2. MC13892 Simplified Internal Block Diagram
TSY1
TSY2
BPSNS
BP
RESETB
RESETBMCU
WDI
STANDBYSEC
Switchers
ADTRIG
GNDADC
ADIN7
MUX
10 Bit GP
ADC
INT
CLK32K
XTAL1 XTAL2
GNDRTC
LICELL
GPO
Control
GPO1
GPO2
RTC +
Calibration
GNDSW2
SW2FB
SW2OUT
SW1IN
SW1
1050 mA
Buck
SW2IN
O/P
Drive
GNDSW1
SW1FB
SW1OUT
SW3IN
O/P
Drive
GNDSW3
SW3FB
SW3OUT
GNDSWBST
SWBSTFB
SWBSTIN
SWBSTOUT
O/P
Drive
PWRON1
PUMS1
Monitor
Timer
O/P
Drive
PLL
32 KHz
Crystal
Osc
STANDBY
GPO3
PWGTDRV1
PWR Gate
Drive & Chg
Pump
To Interrupt
Section
Die Temp &
Thermal Warning
Detection
LCELL
Switch
Enables &
Control
SPI Result
Registers
Interrupt
Inputs
GNDCTRL
Core Control Logic, Timers, & Interrupts
32 KHz
Internal
Osc
GPO4
CHRGCTRL1
CHRGISNS CHRGRAW CHRGLED BATT BATTISNS BATTFET BP
Battery Interface &
Protection
LICELL, UID, Die Temp, GPO4
ADIN6
GNDCHRG
CLK32KMCU
GNDREG1
GNDREG2
DVS2
DVS1
ADIN5
A/D Result
A/D
Control
Trigger
Handling
CHRGSE1B
MODE
DVS
CONTROL
32 KHz
Buffers
CHRGCTRL2
Output Pin
Input Pin
Bi-directional Pin
Package Pin Legend
MC13892
IC
Charger Interface and Control :
4 bit DAC, Clamp, Protection,
Trickle Generation
PWGTDRV2
SPI
Interface
+
Muxed
I2C
Optional
Interface
CS
CLK
GNDSPI
MISO
SPI
Registers
MOSI
Shift Register
Shift Register
SPIVCC
To Enables & Control
To
Trimmed
Circuits
SPI
Control
Logic
Trim-In-Package
Startup
Sequencer
Decode
Trim?
PUMS
Control
Logic
Li Cell
Charger
SW2
800 mA
Buck
SW3
800 mA
Buck
SWBST
300 mA
Boost
Voltage /
Current
Sensing &
Translation
LEDMD LEDAD LEDKP
Backlight
LED Drive
GNDBL
MC13892
TSX2
TSX1
TSREF
Touch
Screen
Interface
Coulomb
Counter
CFP
CFM
BATTISNSCC
BATT
CCOUT
To SPI
SW4IN
O/P
Drive
GNDSW4
SW4FB
SW4OUT
SW4
800 mA
Buck
VSRTC
VSRTC
GNDLED LEDR
LEDG LEDB
Tri-Color
LED Drive
VINDIG
VPLL
VIOHI
Pass
FET
VPLL
Pass
FET
VDIG
Pass
FET
VGEN1
VDIG
VINIOHI
VIOHI
VGEN1DRV
VGEN1
VCAM
Pass
FET
VINCAMDRV
VCAM
VSDDRV
VSD
Pass
FET
VUSB2
VVIDEODRV
VVIDEO
VVIDEO
VINUSB2
VUSB2
SPI Control
VGEN2
VGEN2DRV
VGEN2
VSD
UVBUS
VINUSB
VUSB
UID
Connector
Interface
Best
of
Supply
LICELL
BP
VGEN3
VINGEN3DRV
VGEN3
Reference
Generation
VCOREDIG
GNDCORE
VCORE
REFCORE
VBUS/ID
Detectors
VUSB
Regulator
OTG
5V
VBUSEN
VAUDIO
Pass
FET
VAUDIO
GNDSUB4 GNDSUB3
GNDSUB2
GNDSUB1 GNDSUB8 GNDSUB7 GNDSUB6 GNDSUB5
GNDSUB9
GNDREG3
VINAUDIO
VINPLL
PUMS2
PWRON2
PWRON3
Pass
FET