STEVAL-TLL005V1 STMicroelectronics, STEVAL-TLL005V1 Datasheet - Page 5

• Manufacturer Part Number: STEVAL-TLL005V1
• Description: BOARD EVAL PWR FLASH STCF03/ST7
• Manufacturer: STMicroelectronics

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
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Figure 2.
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Figure 5.
Figure 6.
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Figure 8.
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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