TCS3472

COLOR LIGHT-TO-DIGITAL CONVERTER

with IR FILTER

TAOS135 − AUGUST 2012

11

The LUMENOLOGY

r Company

r

r

Copyright

E 2012, TAOS Inc.

www.taosinc.com

Power Management

Power consumption can be managed with the Wait state, because the Wait state typically consumes only 65

μA

Table 1. Power Management

SYSTEM STATE MACHINE

STATE

PROGRAMMABLE

PARAMETER

PROGRAMMED VALUE

DURATION

TYPICAL

CURRENT

Wait

WTIME

0xEE

43 2 ms

0 065 mA

Wait

WLONG

0

43.2 ms

0.065 mA

RGBC Init

2.40 ms

0.235 mA

RGBC ADC

ATIME

0xEE

43.2 ms

0.235 mA

affected by the Wait state time, which is determined by WEN, WTIME, and WLONG. Note that the worst-case

current occurs when the Wait state is not enabled.

WEN

WTIME

WLONG

WAIT STATE

0

n/a

n/a

0 ms

291

μA

1

0xFF

0

2.40 ms

280

μA

1

0xEE

0

43.2 ms

152

μA

1

0x00

0

614 ms

82

μA

1

0x00

1

7.37 s

67

μA