PCA9622 datasheet(3/39 Pages) NXP

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PCA9622

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Product data sheet

Rev. 4 — 6 September 2012

3 of 39

NXP Semiconductors

PCA9622

16-bit Fm+ I2C-bus 100 mA 40 V LED driver

Applications

 RGB or RGBA LED drivers

 LED status information

 LED displays

 LCD backlights

 Keypad backlights for cellular phones or handheld devices

Ordering information

Block diagram

Table 1.

Ordering information

Type number

Topside mark

Package

Name

Description

Version

PCA9622DR

TSSOP32

plastic thin shrink small outline package; 32 leads;

body width 6.1 mm; lead pitch 0.65 mm

SOT487-1

Remark: Only one LED output shown for clarity.

Fig 1.

Block diagram of PCA9622

A0 A1 A2 A3 A4 A5 A6

002aad528

I2C-BUS

CONTROL

INPUT FILTER

PCA9622

POWER-ON

RESET

SCL

SDA

VDD

VSS

LED

STATE

SELECT

PWM

BRIGHTNESS

CONTROL

GRPFREQ

GRPPWM

MUX/

CONTROL

'0' – permanently OFF

'1' – permanently ON

LEDn

190 Hz

24.3 kHz

97 kHz

25 MHz

OSCILLATOR

FET

DRIVER

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