MIC2870 Datasheet, PDF (17/25 Pages) Micrel Semiconductor – 1.5A Synchronous Boost Flash LED Driver with I2C Interface

Micrel, Inc.
Table 5. Flash-Mode Current Setting (FCUR)
Percentage of
Maximum Current / %
Register Value
[D3:D0] of 01h
100
0000
90
0001
80
0010
70
0011
63
0100
56
0101
50
0110
44.7
0111
39.8
1000
35.5
1001
31.6
1010
28.2
1011
25.1
1100
22.4
1101
20
1110
18
1111
Current per Channel (mA)
(RFRSET = 0Ω)
750.0
675.0
600.0
525.0
472.5
420.0
375.0
335.3
298.5
266.3
237.0
211.5
188.3
168.0
150.0
135.0
MIC2870
Combined Current (mA)
(RFRSET = 0Ω)
1500.0
1350.0
1200.0
1050.0
945.0
840.0
750.0
670.5
597.0
532.5
474.0
423.0
376.5
336.0
300.0
270.0
Table 6. Torch Control Register [02h]
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
Reserved
FI
TEN
TCUR
Access
RO
R/W
Default Value
0
0000
September 5, 2013
17
Revision 1.0