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NXP Semiconductors
PCA9532
16-bit I 2 C-bus LED dimmer
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Noise ?lter on SCL/SDA inputs
Active LOW reset input
16 open-drain outputs directly drive LEDs to 25 mA
Controlled edge rates to minimize ground bounce
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: SO24, TSSOP24, HVQFN24
3. Ordering information
Table 1. Ordering information
T amb = ? 40 ° C to +85 ° C.
Type number
Topside
Package
mark
Name
Description
Version
PCA9532D
PCA9532PW
PCA9532D
PCA9532
SO24
TSSOP24
plastic small outline package; 24 leads; body width 7.5 mm
plastic thin shrink small outline package; 24 leads;
SOT137-1
SOT355-1
body width 4.4 mm
PCA9532BS
9532
HVQFN24
plastic thermal enhanced very thin quad ?at package; no leads;
SOT616-1
24 terminals; body 4 × 4 × 0.85 mm
4. Block diagram
PCA9532
A0
A1
A2
INPUT
REGISTER
SCL
SDA
INPUT
FILTERS
I 2 C-BUS
CONTROL
LED SELECT (LSn)
REGISTER
0
V DD
POWER-ON
1
LEDn
RESET
RESET
PRESCALER 0
PWM0
BLINK0
REGISTER
REGISTER
OSCILLATOR
PRESCALER 1
REGISTER
PWM1
REGISTER
BLINK1
V SS
002aae521
Only one I/O shown for clarity.
Fig 1.
PCA9532_4
Block diagram of PCA9532
? NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 17 March 2009
2 of 29
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