TMS570LS1114 datasheet(44/169 Pages) TI1

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TMS570LS1114

SPNS188B – OCTOBER 2012 – REVISED FEBRUARY 2015

www.ti.com

5.7

Power Consumption Over Recommended Operating Conditions

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX UNIT

fHCLK = 160MHz

170 (1)

340 (2)

VCC digital supply current (operating mode)

fVCLK = fHCLK/2; Flash in pipelined mode; VCCmax

fHCLK = 180MHz

190(1)

360(2)

ICC

LBIST/PBIST

clock

215(1)

460(3)(4)

frequency = 80MHz

VCC Digital supply current (LBIST/PBIST mode)

LBIST/PBIST clock

460 (3)(4)

240(1)

frequency = 90MHz

ICCPLL

VCCPLL digital supply current (operating mode)

VCCPLL = VCCPLLmax

ICCIO

VCCIO Digital supply current (operating mode.

No DC load, VCCmax

Single ADC

operational,

VCCADmax

ICCAD

VCCAD supply current (operating mode)

Both ADCs

operational,

VCCADmax

Single ADC

operational,

ADREFHImax

IADREFHI

ADREFHI supply current (operating mode)

Both ADCs

operational,

ADREFHImax

read from 1 bank

and program

ICCP

VCCP supply current

another bank,

VCCPmax

(1)

The typical value is the average current for the nominal process corner and junction temperature of 25C.

(2)

The maximum ICC, value can be derated

•

linearly with voltage

•

by 1 ma/MHz for lower operating frequency when fHCLK= 2 * fVCLK

•

for lower junction temperature by the equation below where TJK is the junction temperature in Kelvin and the result is in milliamperes.

160 - 0.073 e0.0181 T

(3)

The maximum ICC, value can be derated

•

linearly with voltage

•

by 1.5 ma/MHz for lower operating frequency

•

for lower junction temperature by the equation below where TJK is the junction temperature in Kelvin and the result is in milliamperes.

160 - 0.073 e0.0181 T

(4)

LBIST and PBIST currents are for a short duration, typically less than 10ms. They are usually ignored for thermal calculations for the

device and the voltage regulator

Specifications

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