Datasheet

13
1
12
1
10
R125
24.3k
R119
56.2k
R113
150k
R109
24.3k
R102
56.2k
R96
150k
13
10
1
11
R117
75.0k
R121
39.2k
R123
30.1k
R111
20.0k
R98
100k
R100
75.0k
R105
39.2k
R107
30.1k
11
12
R128
R129
R127
20.0k
R115
100k
TP57
TP58
39.2k
R94
660kHz (MAX)
605kHz
550kHz
495kHz
440kHz
385kHz
330kHz
275kHz (MIN)
SWITCHING FREQUENCY SELECTION
Not used
Over-Shoot /Under-Shoot Reduction Selection:
1. CPU OSR/USR Default Setting:
OSR/USR Reduction middle level
2. GPU OSR/USR Default Setting: OSR/USR Reduction off
R110
20.0k
R97
100k
R99
75.0k
R101
56.2k
R103
39.2k
R106
30.1k
Optional parts for using TPS51640
R95
150k
R108
24.3k
Level 8 (MAX)
Level 7
Level 6
Level 5
Level 4
Level 3
Level 2
Level 1 (MIN)
R104
2.43k
Level 8 (MAX)
Level 7
Level 6
Level 5
Level 4
Level 3
Level 2
Level 1 (MIN)
R124
24.3k
R118
56.2k
R112
150k
OVER-CURRENT PROTECTION SELECTION
OSR / USR SETTING
Switching Frequency Selection:
1. CPU Switching Frequency Default Setting:
Jumper shorts on pin13 and pin14 to set 300kHz
2. GPU Switching Frequency Default Setting: Ju
mper shorts on pin 11 and pin12 to set 385kHz
R120
39.2k
R122
30.1k
Frequency and OCP SELECTIONS for CPU and GPU
R126
20.0k
Over Current Protection Selection:
1. CPU Over Current Protection Per P
hase Default Setting: Jumper shorts on
pin 7 and pin 8 to level 5 (set 40A)
2. GPU Over Current Protection Per Phase Default Setting: Jumper shorts on
pin 7 and pin 8 to level 5 (set 40A)
600kHz (MAX)
550kHz
500kHz
450kHz
400kHz
350kHz
300kHz
250kHz (MIN)
R114
100k
R116
75.0k