LP3958 datasheet(25/28 Pages) NSC

Il numero della parte	LP3958

Spiegazioni elettronici	Lighting Management Unit with High Voltage Boost Converter

PDF	28 Pages

Scroll/Zoom	100%

Produttore elettronici	NSC [National Semiconductor (TI)]

Homepage	http://www.national.com

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25 / 28 page

LP3958 Register Bit Explanations (Continued)

KEYPAD MAX CURRENT (02H) – MAXIMUM KEYPAD CURRENT CONTROL REGISTER

IK1[1:0]

IK2[1:0]

IK3[1:0]

R-0

RW-0

Maximum current for KEY1,2,3 driver

IK1,2,3[1:0]

Maximum output current

0.25 x I

MAX

0.50 x I

MAX

0.75 x I

MAX

1.00 x I

MAX

WLED CONTROL (03H) – WLED CONTROL REGISTER

SLOPE

FADE_SEL

EN_FADE

DISPL

EN_MAIN

EN_SUB

R-0

RW-0

SLOPE

Bit 5

0 – fade execution time 0.65 sec (full scale)

1 – fade execution time 1.3 sec (full scale)

FADE_SEL

Bit 4

0 – fade control for MAIN

1 – fade control for SUB

EN_FADE

Bit 3

0 – automatic fade disabled

1 – automatic fade enabled

DISPL

Bit 2

0 - MAIN and SUB individual control

1 - MAIN and SUB controlled with MAIN DAC

EN_MAIN

Bit 1

0 – MAIN output disabled

1 – MAIN output enabled

EN_SUB

Bit 0

0 – SUB output disabled

1 – SUB output enabled

LP3958 Scheda tecnica(PDF) 25 Page - National Semiconductor (TI)

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