LV52207NXA Datasheet, PDF (9/18 Pages) ON Semiconductor – Dual channel LED Boost Driver

LV52207NXA
BITE
Device
Address
(0x8F)
Data
Register
DA7
DA6
DA5
DA4
DA3
DA2
DA1
DA0
D15
D14
D13
D12
D11
AKct(D10)
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
BIT
23(MSB)
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0(LSB)
Description
1
0
0
0
1
1
1
1
Data bit 15 No information. Write 0 to this bit.
Data bit 14 No information. Write 0 to this bit.
Data bit 13 No information. Write 0 to this bit.
Data bit 12 No information. Write 0 to this bit.
Data bit 11 No information. Write 0 to this bit.
0 = Acknowledge disabled
1 = Acknowledge enabled
Data bit 9
Data bit 8
Data bit 7
Data bit 6
Data bit 5
Data bit 4
Data bit 3
Data bit 2
Data bit 1 LSB of brightness code
Data bit 0 No information.
Table1. Bit Description
LED Current setting RT resistor=63.4KΩ (20mA)
LED current = I(LED_full) x code/255= LEDO1current=LEDO2current
code
0
1
2
3
4
5
6
7
8
9
10
.
.
246
247
248
249
250
251
252
253
254
255
D8 D7 D6 D5 D4 D3 D2 D1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
1
1
0
0
0
0
0
0
1
1
1
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
1
0
0
0
0
1
0
1
0
.
.
1
1
1
1
0
1
1
0
1
1
1
1
0
1
1
1
1
1
1
1
1
0
0
0
1
1
1
1
1
0
0
1
1
1
1
1
1
0
1
0
1
1
1
1
1
0
1
1
1
1
1
1
1
1
0
0
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
LED Current(mA)
0 Unavailable
0.22
0.30
0.38
0.47
0.55
0.63
0.70
0.78
0.86
0.94
.
.
19.30
19.38
19.46
19.54
19.61
19.69
19.77
19.84
19.93
20 *Default
Table2. Data Register vs LED current sink
No.A2346-9/18