Tripath Technology, Inc. - Technical Information
TP2150 Pin Description
Pin
2,5
6
Function
Description
AGND
V5
Analog ground.
5V power supply input.
7
OCD1
Over-current threshold output (Channel 1)
Soft startup for VN10 controller, this pin should be tied to V5
Over-current threshold output (Channel 2)
Non-inverted switching modulator inputs
Inverted switching modulator inputs
9
10
13,17
14,16
27,57
CSS
OCD2
Y2, Y1
Y2B, Y1B
VBOOT2, VBOOT1
Bootstrapped voltage to supply drive to gate of high-side FET
(Channel 2 & 1)
30,31
33,34
36,48
37,47
39,45
40,44
41,43
OCS2LP, OCS2LN
OCS2HP, OCS2HN
HO2, HO1
Over Current Sense inputs, Channel 2 low-side
Over Current Sense inputs, Channel 2 high-side
High side gate drive output (Channel 2 & 1)
HO2COM, HO1COM
LO2COM, LO1COM
LO2, LO1
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)
VN10
“Floating” supply input for the FET drive circuitry. This voltage must be stable
and referenced to VNN.
42
50,51
53,54
59
60
62
VNN
OCS1HN, OCS1HP
OCS1LN , OCS1LP
SW-FB
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
SMPSO
SLEEP
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.
8
TK2150 – Rev. 1.0/12.02
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
