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STCF04 数据表(PDF) 28 Page - STMicroelectronics

部件名 STCF04
功能描述  High power white LED SuperCap™ driver with I²C interface
PDF  43 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STCF04 数据表(HTML) 28 Page - STMicroelectronics

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Description of the internal registers
STCF04
28/43
Doc ID 022927 Rev 3
9.6
Torch register (TRCH_REG) 05(hex)
TTRCH_0~1: these bits define the Torch mode time.
TDIM_0~3: these 4 bits define the LED current in Torch mode with 12 values.
Table 22.
DC-DC converter coil peak current limit values
IDC_0
ICOIL (PEAK)
01.45 A
11.80 A
Table 23.
Torch register
VRID_REG
(Read mode)
MSB
LSB
SUB ADD=05
TTRCH1 TTRCH0
TDIM_3
TDIM_2
TDIM_1
TDIM_0
N/A
N/A
Power-ON, Shutdown
mode RESET value
000
00
00
0
Table 24.
Torch mode dimming registers settings
TDIM (hex)
0
12
345
6789
A
B
LED current [mA]
15
20
30
45
60
75
100
120
160
200
240
320
Internal step
1
2
3
4
5
6
7
8
9
10
11
12
Table 25.
The safety timeout for Torch mode
TTRCH1
TTRCH0
Torch time
0
0
Infinity
01
5s
10
10s
11
15s



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