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NXP Semiconductors
PCA9530
2-bit I 2 C-bus LED dimmer
I
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Noise ?lter on SCL/SDA inputs
Active LOW reset input (RESET)
2 open-drain outputs directly drive LEDs to 25 mA
Edge rate control on outputs
No glitch on power-up
Supports hot insertion
Low standby current
Operating power supply voltage range of 2.3 V to 5.5 V
0 Hz to 400 kHz clock frequency
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: SO8, TSSOP8 (MSOP8)
3. Ordering information
Table 1. Ordering information
T amb = ? 40 ° C to +85 ° C
Type number
Topside
Package
mark
Name
Description
Version
PCA9530D
PCA9530
SO8
plastic small outline package; 8 leads; body width 3.9 mm
SOT96-1
PCA9530DP
9530
TSSOP8 [1] plastic thin shrink small outline package; 8 leads; body width 3 mm SOT505-1
[1]
Also known as MSOP8.
4. Block diagram
A0
PCA9530
INPUT
REGISTER
SCL
SDA
INPUT
FILTERS
I 2 C-BUS
CONTROL
LED SELECT (LSn)
REGISTER
0
V DD
RESET
POWER-ON
RESET
PRESCALER 0
PWM0
1
BLINK0
LEDn
REGISTER
REGISTER
V SS
OSCILLATOR
PRESCALER 1
REGISTER
PWM1
REGISTER
BLINK1
002aae498
Remark: Only one I/O shown for clarity.
Fig 1.
PCA9530_3
Block diagram
? NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 26 February 2009
2 of 24
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