9532 데이터 시트보기 (PDF) - NXP Semiconductors.

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9532

16-bit I²C-bus LED dimmer

NXP Semiconductors. 

NXP Semiconductors

PCA9532

16-bit I2C-bus LED dimmer

I Noise filter on SCL/SDA inputs

I Active LOW reset input

I 16 open-drain outputs directly drive LEDs to 25 mA

I Controlled edge rates to minimize ground bounce

I No glitch on power-up

I Supports hot insertion

I Low standby current

I Operating power supply voltage range of 2.3 V to 5.5 V

I 0 Hz to 400 kHz clock frequency

I ESD protection exceeds 2000 V HBM per JESD22-A114, 150 V MM per

JESD22-A115 and 1000 V CDM per JESD22-C101

I Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA

I Packages offered: SO24, TSSOP24, HVQFN24

3. Ordering information

Table 1. Ordering information

Tamb = −40 °C to +85 °C.

Type number Topside

mark

Package

Name

Description

PCA9532D

PCA9532D SO24

plastic small outline package; 24 leads; body width 7.5 mm

PCA9532PW

PCA9532

TSSOP24 plastic thin shrink small outline package; 24 leads;

body width 4.4 mm

PCA9532BS 9532

HVQFN24 plastic thermal enhanced very thin quad flat package; no leads;

24 terminals; body 4 × 4 × 0.85 mm

Version

SOT137-1

SOT355-1

SOT616-1

4. Block diagram

PCA9532

SCL

SDA

INPUT

FILTERS

A0 A1 A2

I2C-BUS

CONTROL

INPUT

REGISTER

LED SELECT (LSn)

REGISTER

VDD

RESET

VSS

POWER-ON

RESET

OSCILLATOR

Only one I/O shown for clarity.

Fig 1. Block diagram of PCA9532

PCA9532_4

Product data sheet

PRESCALER 0

REGISTER

PRESCALER 1

REGISTER

0

1

PWM0

REGISTER

PWM1

REGISTER

BLINK0

BLINK1

Rev. 04 — 17 March 2009

LEDn

002aae521

© NXP B.V. 2009. All rights reserved.

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