PCA9502BS: 8-bit I/O expander with I2C-bus/SPI interface

The PCA9502 is an 8-bit I/O expander with I²C-bus/SPI host interface. The device comes in a very small HVQFN24 package, which makes it ideally suitable for hand-held, battery operated applications.

The device also supports software reset, which allows the host to reset the device at any time, independent of the hardware reset signal.

PCA9502BS: Product Block Diagram
PCA9502BS: Block Diagram
sot616-3_3d
General features
  • Selectable I²C-bus or SPI interface
  • 3.3 V or 2.5 V operation
  • Industrial temperature range: -40 Cel to +85 Cel
  • Eight programmable I/O pins
  • Software reset
  • Industrial and commercial temperature ranges
  • Available in HVQFN24 package
  • 16 hardware-selectable slave addresses
I²C-bus features
  • Noise filter on SCL/SDA inputs
  • 400 kbit/s (maximum)
  • Compliant with I²C-bus Fast-mode
  • Slave mode only
SPI features
  • 15 Mbit/s maximum speed
  • Slave mode only
  • SPI Mode 0
Data Sheets (1)
Name/DescriptionModified Date
8-bit I/O expander with I2C-bus/SPI interface (REV 4.0) PDF (262.0 kB) PCA950223 Feb 2016
Application Notes (3)
Name/DescriptionModified Date
PCA9500/PCA9501 provides simple card maintenance and control using I²C-bus (REV 1.0) PDF (90.0 kB) AN25623 Mar 2009
Level shifting techniques in I2C-bus design (REV 1.0) PDF (52.0 kB) AN1044120 Jun 2007
SDA pin connection in SPI mode (REV 1.0) PDF (33.0 kB) AN1048502 Jun 2006
Users Guides (4)
Name/DescriptionModified Date
I2C-bus specification and user manual (REV 6.0) PDF (1.4 MB) UM1020428 Apr 2014
I2C-bus specification and user manual (REV 5.0) PDF (1.6 MB) UM10204_JA03 Apr 2013
PCA9698 demonstration board OM6281 (REV 1.0) PDF (558.0 kB) UM1026726 Sep 2008
I2C Demonstration Board 2005-1 Quick Start Guide (REV 1.0) PDF (261.0 kB) UM1020613 Jun 2006
Brochures (2)
Name/DescriptionModified Date
NXP® I2C-bus solutions 2014: Smart, simple solutions for the 12 most common design concerns (REV 1.0) PDF (3.5 MB) 7501754001 Aug 2014
Create smarter, more efficient white goods; An industry-leading portfolio of cost-effective, power-saving solutions for... (REV 1.0) PDF (1.1 MB) 7501654301 Jun 2008
Package Information (1)
Name/DescriptionModified Date
plastic thermal enhanced very thin quad flat package; no leads; 24 terminals; body 4 x 4 x 0.85 mm (REV 1.1) PDF (217.0 kB) SOT616-304 Mar 2016
Packing (1)
Name/DescriptionModified Date
HVQFN24; Reel pack; SMD, 13" Q2/T3 Turned product orientation Orderable part number ending ,128 or HP... (REV 2.0) PDF (257.0 kB) SOT616-3_12826 Mar 2014
IBIS Model
Ordering Information
ProductStatusNo of bitsVDD [min] (V)VDD [max] (V)Over volt tolerantNo of suppliesStandby current [typ] (µA)Max Sink Current per bit (mA)Max Sink Current, per package (mA)Source Current per bit (mA)Interrupt output pinReset input pinOutput modeInput mode: invert optionInternal pull-up resistor per bit (kOhm)I2C-bus (kHz)Footprint body and leads (mm2)Package namePackage versionOperating Temperature (Cel)No of AddressesRemark
PCA9502BSActive82.53.6Y14324YYTotem pole40016.81HVQFN24SOT616-3-40~8516I2C/SPI interface; I/O and interrupt latch
Package Information
Product IDPackage DescriptionOutline VersionReflow/Wave SolderingPackingProduct StatusPart NumberOrdering code(12NC)MarkingChemical ContentRoHS / Pb Free / RHFLeadFree Conversion DateEFRIFR(FIT)MTBF(hour)MSLMSL LF
PCA9502BSSOT616-3Reel 13" Q2/T3ActivePCA9502BS,128 (9352 813 63128)9502PCA9502BSAlways Pb-free0.052E811
Tray, Bakeable, MultipleActivePCA9502BS,157 (9352 813 63157)9502PCA9502BSAlways Pb-free0.052E811
Tray, Bakeable, SingleActivePCA9502BS,151 (9352 813 63151)9502PCA9502BSAlways Pb-free0.052E811
8-bit I/O expander with I2C-bus/SPI interface pca9502bs
PCA9500/PCA9501 provides simple card maintenance and control using I²C-bus PCA9553
Level shifting techniques in I2C-bus design pca9685pw
SDA pin connection in SPI mode pca9502bs
I2C-bus specification and user manual pca9685pw
I2C-bus specification and user manual pca9685pw
PCA9698 demonstration board OM6281 PCA9553
I2C Demonstration Board 2005-1 Quick Start Guide pca9685pw
NXP® I2C-bus solutions 2014: Smart, simple solutions for the 12 most common design concerns pca9685pw
Create smarter, more efficient white goods; An industry-leading portfolio of cost-effective, power-saving solutions for... PMEG6010CE_AUTOMOTIVE
PCA9502 IBIS model PCA9502BS
SOT616-3 LPC1114LVFHN24
HVQFN24; Reel pack; SMD, 13" Q2/T3 Turned product orientation Orderable part number ending ,128 or HP... PTN36241BBS
PCA9502BS
PCA9502BS
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