RT4722C
Table 1. SWIRE Command LUT for VO2
Bit (Pulse)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
VNEG (V)
4
(Default)
5.4
5.3
5.2
5.1
5
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4
3.9
3.8
3.7
3.6
3.5
Bit (Pulse)
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
VNEG (V)
3.4
3.3
3.2
3.1
3
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2
1.9
1.8
1.7
1.6
1.5
1.4
Bit (Pulse)
0
42
43
44
45
46
47
48
49
AVDD (V)
6.1 (Default)
7.9
7.6
7.3
7
6.7
6.4
6.1
5.8
Table 2. SWIRE Pin Characteristics
Rating
Initial Waiting Time
Signal Stop Indicate Time
Turn-off Detection Time
SWIRE Rising Time
SWIRE Falling Time
Clock SWIRE High
Clock SWIRE Low
Input SWIRE Frequency
Symbol
t
wait_int
t
stop
t
off_dly
t
r
t
f
t
sH
t
sL
f
swire
Min
--
100
30
--
--
2
2
25
Typ
50
--
--
--
--
10
10
--
Max
--
--
80
200
200
20
20
250
Unit
s
s
s
ns
ns
s
s
kHz
Copyright © 2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
4
DS4722C-00
September 2017
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
