TCA6507_10 datasheet(16/32 Pages) TI

No de pièce	TCA6507

Description	LOW-VOLTAGE 7-BIT I2C AND SMBus LED DRIVER WITH INTENSITY CONTROL AND SHUTDOWN

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Fabricant	TI [Texas Instruments]

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Electrical Characteristics

TCA6507

LOW-VOLTAGE 7-BIT I2C AND SMBus LED DRIVER

WITH INTENSITY CONTROL AND SHUTDOWN

SCPS164B – MAY 2007 – REVISED NOVEMBER 2007

GND = 0 V, TA = –40°C to 85°

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP(1)

MAX

UNIT

Intensity control clock

fINT

Operating mode

1.65 V to 3.6 V

23

32

43

kHz

frequency

VIK

Input diode clamp voltage

II = –18 mA

1.65 V to 3.6 V

–1.2

V

VPOR

Power-on reset voltage

VI = VCC or GND, IO = 0

1.65 V to 3.6 V

1.4

V

VOL

SDA

IOL = 6 mA

1.65 V to 3.6 V

0.2

0.6

V

SDA

1.65 V to 3.6 V

3

13.2

IOL

VOL = 0.5 V

1.65 V

25

59.7

mA

P port(2)

VOL = 0.6 V

1.8 V to 3.6 V

40

68

II

SCL, SDA, EN

VI = VCC or GND

1.65 V to 3.6 V

±0.1

µA

EN disabled, P port idle,

1.65 V to 1.95 V

2

12

Intensity control disabled,

Standby current

SCL = VCC, SDA = VCC, IO = 0,

1.96 V to 3.6 V

3

15

fSCL = 0

P port running,

1.65 V to 1.95 V

9.7

17

ICC

Intensity control enabled,

µA

SCL = VCC, SDA = VCC, IO = 0,

1.96 V to 3.6 V

10.4

20

fSCL = 0

Operating mode

P port running,

1.65 V to 1.95 V

10.2

18

Intensity control enabled,

1.96 V to 3.6 V

11.4

25

SDA = VCC, IO = 0, fSCL = 400 kHz

Ci

SCL

1.65 V to 3.6 V

7

pF

Cio

SDA

VIO = VCC or GND

1.65 V to 3.6 V

8

pF

Co

P port

VO = VCC or GND

1.65 V to 3.6 V

10

pF

(1)

All typical values are at TA = 25°C.

(2)

The total current sourced by the P port must be limited to 200 mA.

16

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