UCD9222-EP datasheet(8/37 Pages) TI1

Part #	UCD9222-EP

Description	DIGITAL PWM SYSTEM CONTROLLER WITH 4-BIT, 6-BIT, OR 8-BIT VID SUPPORT

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Manufacturer	TI1 [Texas Instruments]

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12-bit

ADC

260 ksps

Osc

ARM-7 core

EAp2

EAn2

CS1A

CS2A

VinMon

IinMon/AuxADC4

Vtrack/AuxADC3

Temp2/AuxADC2

Temp1/AuxADC1

V33x

xGnd

Analog Front End

(AFE)

Ref

ADC

6 bit

IIR

3P/3Z

Err

Amp

EAp1

EAn1

Coeff.

Regs

Compensator

Analog Front End

POR/BOR

Ref 1

Analog Comparators

OC

DPWM1

PMBus_Clk

PMBus_Data

PMBus_Alert

PMBus_Cntrl

5

6

BPCap

VID1A

VID1B

VID1C

VID1S

VID2A

VID2B

VID2C

VID2S

VID

1 - 2

Compensator

3P/3Z IIR

Flash

Memory with

ECC

Diff

Amp

Fusion Power Peripheral 2

Fusion Power Peripheral 1

Internal

Temp Sense

3.3V reg.

controller

& 1.8V

regulator

Ref 2

Digital

High Res

PWM

Digital

High Res

PWM

TCK

TDI

TDO

TMS

RCK

nTRST

OC

DPWM2

nRESET

Addr0

Addr1

DPWM2A

FLT2A

DPWM1A

FLT1A

SyncIn/JTAG_TDI

SyncOut/JTAG_TDO

JTAG

PowerGood

PG1

PG2

EN1

EN2

GPIO

PMBus

UCD9222-EP

SLVSBY1 – OCTOBER 2013

www.ti.com

I

2C/SMBus/PMBus TIMING REQUIREMENTS (continued)

TJ = –55°C to 115°C, 3 V < V33 < 3.6 V, typical values at TJ = 25°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tRISE

Clock/data rise time

Fall time tFALL = 0.9 V33 to (VILMAX – 0.15) , TJ = -

1000

ns

40°C to 115°C

CIN

FUNCTIONAL BLOCK DIAGRAM

8

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