STEVAL-TLL005V1 STMicroelectronics, STEVAL-TLL005V1 Datasheet - Page 5
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STEVAL-TLL005V1
Manufacturer Part Number
STEVAL-TLL005V1
Description
BOARD EVAL PWR FLASH STCF03/ST7
Manufacturer
STMicroelectronics
Datasheets
1.STCF03PNR.pdf
(35 pages)
2.STEVAL-TLL005V1.pdf
(4 pages)
3.STEVAL-TLL005V1.pdf
(10 pages)
Specifications of STEVAL-TLL005V1
Design Resources
STEVAL-TLL005V1 Bill of Materials
Main Purpose
Lighting, Camera Flash
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
STCF03
Primary Attributes
Camera Flash, I2C Controlled, Flash and Torch Mode
Secondary Attributes
Li-Ion Battery, Battery Charger Circuit, GUI
Description/function
Flash Driver Evaluation Board
Core Chip
STCF03
Topology
Buck-Boost
No. Of Outputs
1
Dimming Control Type
I2C
Development Tool Type
Hardware - Eval/Demo Board
Supported Devices
STCF03 Device Type
For Use With
497-8431 - BOARD EVAL FLASH DRIVER STCF03
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
STCF03, ST7
Other names
497-8207
STCF03
List of figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Figure 13.
Figure 14.
Figure 15.
Figure 16.
Figure 17.
Figure 18.
Figure 19.
Figure 20.
Figure 21.
Figure 22.
Figure 23.
Figure 24.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Pin connections (bottom view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Procedure for assigning a non-default I²C address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Data validity on the I²C Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Timing diagram on I²C Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Acknowledge on I²C Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Writing to a single register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Writing to multiple register with incremental addressing. . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Reading from a single register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Reading from multiple registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Flash and Torch current vs. dimming value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
VOUTOK_N behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
I
I
IOAUX vs. AUXI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
I
VFB2 vs. temp. at I
I
Start-up in flash mode 800 mA at V
Line transient in flash mode 800 mA, change of V
QFN20 (4 x 4 mm.) drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
OTORCH
OFLASH
OFLASH
Q
vs. temp. V
vs. F_DIMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
vs. temp. V
vs. T_DIMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
I
= 5.5 V ready-mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
O
I
= 3.3 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
= 800 mA,V
Doc ID 13169 Rev 7
I
= 3.3 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
I
= 3.6 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
I
from 2.7 V to 3.3 V in 10 µs . . . . . . . . 28
List of figures
5/35