STCF04 Datasheet, PDF (7/43 Pages) STMicroelectronics – Cell phones and smartphones

STCF04
2
Diagram
Diagram
Figure 1. Block diagram
VBAT
LSCON
LSIN
PVBAT
VLX1
VLX2
AUXLED
AUXLED
PREREG
& BIAS
READY
TORCH
FLASH
ATN
RESET
CONTROL
LOGIC
NTC_ON
SCL
SDA
ADD
I²C
INTERF
BUCK
CONVERTER
FLASH
TRIGGFELRASINHG
T&RCIUGRGREERNINTG
LIM&CITUITRINRGENT
LIMITITING
BOOST
CONVERTER
SUPERCAP
BALASNUCPEINRGC&AP
BAVLOALNTCAIGNEG &
COVNOTLRTAOGLE
CONTROL
OSCILLATOR & TIME
COUNTER
PROTECTIONS &
DIAGNOSTICS
TORCH
DIMTMOIRNCGH
DIMMING
+
-
NTC_W
CURRENT
SENSING
LED
FAIL
NTC_H
REF4
NTC_ON
+
-
REF5
ON - CHIP
TEMP
OVER -
CURRENT
NTC
BIAS
REF
120 mV..1.2 V
MX
MX
ENABLE/
1.8 V REF
VOUT
VMID
DRIVE
LED
PGND
ISENS
PGND
AGND
RX
NTC
Doc ID 022927 Rev 3
7/43