27
DHT-500SD
TP2150B(AMP:IC53,63,73)
AG
N
D
Y2B
NC
NC
O
CD2
CS
S
NC
O
CD1
V5
AG
N
D
NC
NC
NC
Y2
NC
Y1
Y1B
NC
NC
NC
NC
O CS2LP
NC
NC
NC
O CS1LN
O CS1LP
NC
NC
52
26
58
57
55
54
56
53
27
28
29
NC
O CS2LN
VBO O T2
VBO O T1
32
31
30
NC
SLEEP
NC
SMPSO
SW -FB
64
63
61
60
62
59
NC
NC
NC
NC
NC
20
21
22
23
NC
NC
25
24
1
14
13
11
10
12
9
8
7
6
5
4
3
2
19
17
16
18
15
45 44
42 41
43
40 39 38 37 36 35 34 33
51 50
48 47
49
46
OC
S
1
H
N
NC
LO
2
VN
10
VN
N
VN
10
LO
1
LO
1C
O
M
NC
HO
1
CO
M
HO
1
NC
OC
S
1
H
P
LO
2C
O
M
OC
S
2
H
N
NC
HO
2
HO
2
CO
M
OC
S
2
H
P
TP2150B Pin Description
Pin
Function
Description
2,5
AGND
Analog ground.
6
V5
5V power supply input.
7
OCD1
Over-current threshold output (Channel 1)
9
CSS
Soft startup for VN10 controller, this pin should be tied to V5
10
OCD2
Over-current threshold output (Channel 2)
13,17
Y2, Y1
Non-inverted switching modulator inputs
14,16
Y2B, Y1B
Inverted switching modulator inputs
27,57
VBOOT2, VBOOT1
Bootstrapped voltage to supply drive to gate of high-side FET
(Channel 2 & 1)
30,31
OCS2LP, OCS2LN
Over Current Sense inputs, Channel 2 low-side
33,34
OCS2HP, OCS2HN
Over Current Sense inputs, Channel 2 high-side
36,48
HO2, HO1
High side gate drive output (Channel 2 & 1)
37,47
HO2COM, HO1COM
Kelvin connection to source of high-side transistor (Channel 2 & 1)
Kelvin connection to source of low-side transistor (Channel 2 & 1)
Low side gate drive output (Channel 2 & 1)
“Floating” supply input for the FET drive circuitry. This voltage must be stable
and referenced to VNN.
Negative supply voltage.
Over Current Sense inputs, Channel 1 high-side
Over Current Sense inputs, Channel 1 low-side
Feedback for regulating switching power supply output for VN10
Switching power supply output for VN10
This pin is active high. Tie this pin to GND for normal operation. Tie this pin to
+5V to place the part in sleep mode.
1,3,4,8,
11,12,15,
18,19,20,
21,22,23,
24,25,26,
28,31,32,
35,38,46,
49,52,53,
56,58,61,
63,64
NC
Not connected (bonded) internally. Please refer to the Application/Test circuit
for details on the how to connect these pins.
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9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
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TEL 13942296513 QQ 376315150 892498299
