STCF04 Datasheet, PDF (8/43 Pages) STMicroelectronics – Cell phones and smartphones

Pin configuration
3
Pin configuration
Figure 2. Pin connection (top view)
STCF04
Table 2. Pin description
Pin
Symbol
A1
VLX1
E1
VLX2
D5
R_X
D1
VOUT
C1
VMID
E5
NTC
A3
READY
B3
SCL
A4
FLASH
E2
AGND
B5
TORCH
B4
RESET
D4
ISENS
C3
ADD
E4
LED
C4
ATN
B1
PVBAT
A5
SDA
E3
AUXLED
B2
LSCON
D3
A2
C5
C2, D2
VBAT
LSIN
DRIVE
PGND
Description
Inductor connection 1
Inductor connection 2
R_X resistor connection
SuperCap connection
SuperCap middle pin connection
NTC resistor connection
SuperCap status flag pin
I²C clock signal
Flash trigger input
Signal ground
Torch trigger input
External reset input
Flash regulator sensing connection
I²C address selection
Diode module cathode connection
Attention (open drain output, active LOW)
Supply voltage
I²C data
Auxiliary red LED connection
Light sensor capacitor connection
Signal supply voltage
Light sensor input
MOSFET driver output
Power ground + die back connection
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Doc ID 022927 Rev 3