TC2001 datasheet(8/34 Pages) TRIPATH

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Tr i p ath Technol ogy, I n c. - Techni cal I n for m ati on

TK2150 – Rev. 1.0/12.02

TP2150 Pin Description

Function

Description

2,5

AGND

Analog ground.

5V power supply input.

OCD1

Over-current threshold output (Channel 1)

CSS

Soft startup for VN10 controller, this pin should be tied to V5

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)

39,45

LO2COM, LO1COM

Kelvin connection to source of low-side transistor (Channel 2 & 1)

40,44

LO2, LO1

Low side gate drive output (Channel 2 & 1)

41,43

VN10

“Floating” supply input for the FET drive circuitry. This voltage must be stable

and referenced to VNN.

VNN

Negative supply voltage.

50,51

OCS1HN, OCS1HP

Over Current Sense inputs, Channel 1 high-side

53,54

OCS1LN , OCS1LP

Over Current Sense inputs, Channel 1 low-side

SW-FB

Feedback for regulating switching power supply output for VN10

SMPSO

Switching power supply output for VN10

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

Not connected (bonded) internally. Please refer to the Application/Test circuit

for details on the how to connect these pins.

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