TPIC2040 datasheet(13/57 Pages) TI1

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SSZ

M COM

TRK+

TRK–

FCS+

TLT+

SOM I

SIM O

XFG

SCLK

LOAD+

XRESET

SIOV

XM U TE

5 V

CSWO

XFG

3.3 V

SIMO

SOMI

InterLock

XRESET

0.1 µ

5 V

SLED2+

LOAD–

BEM F

SPM

Dig ital Core

SLED END

Detection

CSW

int 3.3-V

Reg ulator

P5V

ENDDET_ ENA

SLD_ ENA

FCS_ ENA

TRK_ EN A

CSW _ O N

Pow er

Monitor

SIOV

200 k

10 V (P5Vx2)

LOAD_ ENA

10 µ

p w r FET

XSLEEP

p w r FET

5 V

0.1 µF 0.1 µF

PGND_SPM

Predriver

SPM_RCOM

SPM_ENA

Charge

Pump

SPM Logic

DAC PWM

Analog

TPIC2040

I-F/B

F/B

I-F/B

Current Limit

Predriver

Detector

SSZ

SCLK

Predriver

ACTTEMPTH>0

SLED1+

SLD_ ENA

TLT_ENA

FCS–

SLED1–

SLED2–

TLT–

LINFB

P5V

int 3p3

LDO

Control

LIN3P3_DIS

and GPOUT_ENA

GPOUT

Charge Pump

LIN3P3_DIS

LIN3VG

5 V/3.3 V

1.2/3.3 V

LINFB/GPOUT

CSWO

CV3P3V

DAC PWM

On-Chip

Themometer

TPIC2040

www.ti.com

SLIS172 – DECEMBER 2015

8.2 Functional Block Diagram

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TPIC2040 Datasheet(PDF) 13 Page - Texas Instruments

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