PCA9635PW datasheet(3/35 Pages) NXP

Part #	PCA9635PW

Description	16-bit Fm I2C-bus LED driver

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Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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3 / 35 page

PCA9635_6

Product data sheet

Rev. 06 — 11 September 2008

3 of 35

NXP Semiconductors

PCA9635

16-bit Fm+ I2C-bus LED driver

3.

Applications

I RGB or RGBA LED drivers

I LED status information

I LED displays

I LCD backlights

I Keypad backlights for cellular phones or handheld devices

4.

Ordering information

5.

Block diagram

Table 1.

Ordering information

Type number

Topside mark

Package

Name

Description

Version

PCA9635PW

TSSOP28

plastic thin shrink small outline package; 28 leads;

body width 4.4 mm

SOT361-1

Remark: Only one LED output shown for clarity.

Fig 1.

Block diagram of PCA9635

A0

A1

A2

A3

A4

A5

A6

002aac136

I2C-BUS

CONTROL

INPUT FILTER

PCA9635

POWER-ON

RESET

SCL

SDA

VDD

VSS

LED

STATE

SELECT

REGISTER

PWM

REGISTER X

BRIGHTNESS

CONTROL

GRPFREQ

REGISTER

GRPPWM

REGISTER

MUX/

CONTROL

OE

'0' – permanently OFF

'1' – permanently ON

VDD

LEDn

190 Hz

24.3 kHz

97 kHz

25 MHz

OSCILLATOR

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PCA9635PW Datasheet(PDF) 3 Page - NXP Semiconductors

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