PCA9634 | NXP Semiconductors

8-Bit Fm+ I²C-Bus LED Driver

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Block Diagram

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PCA9634 BLOCK DIAGRAM

PCA9634 BLOCK DIAGRAM

Block diagram: PCA9634BS, PCA9634D, PCA9634PW

Features

  • 8 LED drivers. Each output programmable at:
    • Off
    • On
    • Programmable LED brightness
    • Programmable group dimming/blinking mixed with individual LED brightness
  • 1 MHz Fast-mode Plus compatible I²C-bus interface with 30 mA high drive capability on SDA output for driving high capacitive buses
  • 256-step (8-bit) linear programmable brightness per LED output varying from fully off (default) to maximum brightness using a 97 kHz PWM signal
  • 256-step group brightness control allows general dimming (using a 190 Hz PWM signal) from fully off to maximum brightness (default)
  • 256-step group blinking with frequency programmable from 24 Hz to 10.73s and duty cycle from 0 % to 99.6 %
  • Eight totem-pole outputs (sink 25 mA and source 10 mA at 5 V) with software programmable open-drain LED outputs selection (default at totem-pole). No input function
  • Output state change programmable on the Acknowledge or the STOP Command to update outputs byte-by-byte or all at the same time (default to 'Change on STOP')
  • Active LOW Output Enable (OE) input pin. LED outputs programmable to 1, 0 or 'high-impedance' (default at power-up) when OE is HIGH, thus allowing hardware blinking and dimming of the LEDs
  • 7 hardware address pins allow 126 devices to be connected to the same I²C-bus
  • 4 software programmable I²C-bus addresses (one LED Group Call address and three LED Sub Call addresses) allow groups of devices to be addressed at the same time in any combination (for example, one register used for 'All Call' so that all the PCA9634s on the I²C-bus can be addressed at the same time and the second register used for three different addresses so that 1/3 of all devices on the bus can be addressed at the same time in a group). Software enables and disables for I²C-bus address
  • Software Reset feature (SWRST Call) allows the device to be reset through the I²C-bus
  • 25 MHz internal oscillator requires no external components
  • Internal power-on reset
  • Noise filter on SDA/SCL inputs
  • 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
  • 5.5 V tolerant inputs
  • ‑40 °C to +85 °C operation
  • ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101
  • Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
  • Packages offered: SO20, TSSOP20, HVQFN20

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N true 0 PSPPCA9634en 13 Application Note Application Note t789 1 Brochure Brochure t518 2 Data Sheet Data Sheet t520 1 Package Information Package Information t790 3 Packing Information Packing Information t935 2 User Guide User Guide t792 4 en_US en_US en Data Sheet Data Sheet 1 1 7.1 English The PCA9634 is an I2C-bus controlled 8-bit LED driver optimized for Red/Green/Blue/Amber (RGBA) color mixing applications. 1442054354386707727680 PSP 838.4 KB None None documents None 1442054354386707727680 /docs/en/data-sheet/PCA9634.pdf 838362 /docs/en/data-sheet/PCA9634.pdf PCA9634 documents N N 2018-01-02 8-bit Fm+ I2C-bus LED driver /docs/en/data-sheet/PCA9634.pdf /docs/en/data-sheet/PCA9634.pdf Data Sheet N 980000996212993340 2024-10-18 pdf N en Dec 18, 2017 980000996212993340 Data Sheet Y N 8-bit Fm+ I2C-bus LED driver Application Note Application Note 1 2 1.0 English Level shifting techniques in I2C-bus design 1442089228752700755238 PSP 53.7 KB Registration without Disclaimer None documents Extended 1442089228752700755238 /secured/assets/documents/en/application-note/AN10441.pdf 53707 /secured/assets/documents/en/application-note/AN10441.pdf AN10441 documents Y N 2016-07-11 AN10441, Level Shifting Techniques in I²C-Bus Design - Application Note /webapp/Download?colCode=AN10441 /secured/assets/documents/en/application-note/AN10441.pdf Application Note N 645036621402383989 2024-07-12 pdf Y en Jun 20, 2007 645036621402383989 Application Note Y N AN10441, Level Shifting Techniques in I²C-Bus Design - Application Note User Guide User Guide 4 3 6.0 Japanese 1442125286808710770774ja PSP 751.0 KB None None documents None 1442125286808710770774 /docs/ja/user-guide/UM10204.pdf 750958 /docs/ja/user-guide/UM10204.pdf UM10204 documents N N 2016-07-12 I2C-bus specification and user manual /docs/ja/user-guide/UM10204.pdf /docs/ja/user-guide/UM10204.pdf User Guide N 132339537837198660 2024-10-24 ja Apr 28, 2014 132339537837198660 User Guide Y N I2C-bus specification and user manual 7.0 English NXP Semiconductors developed a simple bidirectional 2-wire bus for efficient inter-IC control. This bus is called the Inter-IC or I2C-bus. Only two bus lines are required: a serial data line (SDA) and a serial clock line (SCL). Serial, 8-bit oriented, bidirectional data transfers can be made at up to 100 kbit/s in the Standard-mode, up to 400 kbit/s in the Fast-mode, up to 1 Mbit/s in the Fast-mode Plus (Fm+), or up to 3.4 Mbit/s in the High-speed mode. 1442125286808710770774 PSP 751.0 KB None None documents None 1442125286808710770774 /docs/en/user-guide/UM10204.pdf 750958 /docs/en/user-guide/UM10204.pdf UM10204 documents N N 2016-07-12 I2C-bus specification and user manual /docs/en/user-guide/UM10204.pdf /docs/en/user-guide/UM10204.pdf User Guide N 132339537837198660 2024-10-24 pdf N en Oct 1, 2021 132339537837198660 User Guide Y N I2C-bus specification and user manual 4 1.0 English 1442125921741702738215 PSP 979.3 KB None None documents None 1442125921741702738215 /docs/en/user-guide/UM10537.pdf 979257 /docs/en/user-guide/UM10537.pdf UM10537 documents N N 2012-03-15 PCA9634 demonstration board OM13327 /docs/en/user-guide/UM10537.pdf /docs/en/user-guide/UM10537.pdf User Guide N 132339537837198660 2024-10-24 pdf N en Mar 15, 2012 132339537837198660 User Guide Y N PCA9634 demonstration board OM13327 5 1.0 English 1442125396322710024694 PSP 345.0 KB Registration without Disclaimer None documents Extended 1442125396322710024694 /secured/assets/documents/en/user-guide/UM10317.pdf 345007 /secured/assets/documents/en/user-guide/UM10317.pdf UM10317 documents Y N 2011-06-30 UM10317 /webapp/Download?colCode=UM10317 /secured/assets/documents/en/user-guide/UM10317.pdf User Guide N 132339537837198660 2024-10-21 pdf Y en Dec 15, 2008 132339537837198660 User Guide Y N UM10317 6 1.0 English The I2C Demonstration Board 2005-1 is a new expandable low cost I2C based platform that allows Field Application Engineers, designers and educators to use their Personal Computer (PC) to easily test and demonstrate I2C-bus devices from Philips Semiconductors in a platform similar to a real system environment. 1442125267076701864849 PSP 267.7 KB Registration without Disclaimer None documents Extended 1442125267076701864849 /secured/assets/documents/en/user-guide/UM10206.pdf 267686 /secured/assets/documents/en/user-guide/UM10206.pdf UM10206 documents Y N 2016-07-12 I2C Demonstration Board 2005-1 Quick Start Guide /webapp/Download?colCode=UM10206 /secured/assets/documents/en/user-guide/UM10206.pdf User Guide N 132339537837198660 2024-07-12 pdf Y en Jun 13, 2006 132339537837198660 User Guide Y N I2C Demonstration Board 2005-1 Quick Start Guide Brochure Brochure 2 7 0 Japanese LEDs are used for status indication and fun lighting. LED controllers offload the system processor work load and power into small package. 1537464109287702482909ja PSP 955.2 KB None None documents None 1537464109287702482909 /docs/ja/brochure/LED-CONTROLLERS-FINAL-DELIVERABLES.pdf 955197 /docs/ja/brochure/LED-CONTROLLERS-FINAL-DELIVERABLES.pdf LED-DRIVER-SELECTOR-GUIDE documents N N 2018-09-20 LED Drivers Selector Guide /docs/ja/brochure/LED-CONTROLLERS-FINAL-DELIVERABLES.pdf /docs/ja/brochure/LED-CONTROLLERS-FINAL-DELIVERABLES.pdf Brochure N 712453003803778552 2024-10-18 ja Jan 4, 2022 712453003803778552 Brochure Y N LEDコントローラ 5 English LED Drivers, Voltage-switch and constant-current drivers 1537464109287702482909 PSP 955.2 KB None None documents None 1537464109287702482909 /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf 955197 /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf LED-DRIVER-SELECTOR-GUIDE documents N N 2018-09-20 LED Drivers Selector Guide /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf Brochure N 712453003803778552 2024-10-18 pdf N en Sep 20, 2024 712453003803778552 Brochure Y N LED Drivers Selector Guide 8 1.0 English 1442124536742699632315 PSP 2.8 MB None None documents None 1442124536742699632315 /docs/en/brochure/75017588.pdf 2752784 /docs/en/brochure/75017588.pdf 75017588 documents N N 2016-07-11 LED controllers: Voltage-switch drivers, constant-current drivers, and Flash LED drivers /docs/en/brochure/75017588.pdf /docs/en/brochure/75017588.pdf Brochure N 712453003803778552 2024-10-21 pdf N en Jul 2, 2014 712453003803778552 Brochure Y N LED controllers: Voltage-switch drivers, constant-current drivers, and Flash LED drivers Package Information Package Information 3 9 1.0 English 1455078603712720580365 PSP 310.8 KB None None documents None 1455078603712720580365 /docs/en/package-information/SOT360-1.pdf 310839 /docs/en/package-information/SOT360-1.pdf SOT360-1 documents N N 2016-02-12 plastic thin shrink small outline package; 20 leads; body width 4.4 mm /docs/en/package-information/SOT360-1.pdf /docs/en/package-information/SOT360-1.pdf Package Information N 302435339416912908 2024-10-21 pdf N en Feb 8, 2016 302435339416912908 Package Information Y N plastic thin shrink small outline package; 20 leads; body width 4.4 mm 10 1.0 English 1455079670029721489839 PSP 213.9 KB None None documents None 1455079670029721489839 /docs/en/package-information/SOT662-1.pdf 213918 /docs/en/package-information/SOT662-1.pdf SOT662-1 documents N N 2016-02-12 plastic thermal enhanced very thin quad flat package; no leads; 20 terminals; body 5 x 5 x 0.85 mm /docs/en/package-information/SOT662-1.pdf /docs/en/package-information/SOT662-1.pdf Package Information N 302435339416912908 2024-10-21 pdf N en Feb 8, 2016 302435339416912908 Package Information Y N plastic thermal enhanced very thin quad flat package; no leads; 20 terminals; body 5 x 5 x 0.85 mm 11 1.0 English plastic small outline package; 20 leads; body width 7.5 mm 1455079171621724647129 PSP 343.2 KB None None documents None 1455079171621724647129 /docs/en/package-information/SOT163-1.pdf 343226 /docs/en/package-information/SOT163-1.pdf SOT163-1 documents N N 2016-02-12 plastic small outline package; 20 leads; body width 7.5 mm /docs/en/package-information/SOT163-1.pdf /docs/en/package-information/SOT163-1.pdf Package Information N 302435339416912908 2024-10-21 pdf N en Feb 8, 2016 302435339416912908 Package Information Y N plastic small outline package; 20 leads; body width 7.5 mm Packing Information Packing Information 2 12 1.0 English 1442131203291729471151 PSP 272.0 KB None None documents None 1442131203291729471151 /docs/en/packing/SOT662-1_118.pdf 271965 /docs/en/packing/SOT662-1_118.pdf SOT662-1_118 documents N N 2013-04-18 HVQFN20; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 /docs/en/packing/SOT662-1_118.pdf /docs/en/packing/SOT662-1_118.pdf Packing Information N 145666923842250347 2024-10-21 pdf N en Apr 18, 2013 145666923842250347 Packing Information Y N HVQFN20; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 13 4.0 English 1442131717959689109779 PSP 230.0 KB None None documents None 1442131717959689109779 /docs/en/packing/SOT360-1_118.pdf 230045 /docs/en/packing/SOT360-1_118.pdf SOT360-1_118 documents N N 2013-04-17 TSSOP20; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 /docs/en/packing/SOT360-1_118.pdf /docs/en/packing/SOT360-1_118.pdf Packing Information N 145666923842250347 2024-10-21 pdf N en Apr 15, 2013 145666923842250347 Packing Information Y N TSSOP20; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 false 0 PCA9634 downloads en true 1 Y PSP Y Y Application Note 1 /secured/assets/documents/en/application-note/AN10441.pdf 2016-07-11 1442089228752700755238 PSP 2 Jun 20, 2007 Application Note Level shifting techniques in I2C-bus design Registration without Disclaimer /secured/assets/documents/en/application-note/AN10441.pdf English documents 53707 None 645036621402383989 2024-07-12 Y /webapp/Download?colCode=AN10441 AN10441, Level Shifting Techniques in I²C-Bus Design - Application Note /secured/assets/documents/en/application-note/AN10441.pdf documents 645036621402383989 Application Note N en Extended Y pdf 1.0 Y N AN10441, Level Shifting Techniques in I²C-Bus Design - Application Note 53.7 KB AN10441 N 1442089228752700755238 Brochure 2 /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf 2018-09-20 1537464109287702482909 PSP 7 Sep 20, 2024 Brochure LED Drivers, Voltage-switch and constant-current drivers None /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf English documents 955197 None 712453003803778552 2024-10-18 N /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf LED Drivers Selector Guide /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf documents 712453003803778552 Brochure N en None Y pdf 5 N N LED Drivers Selector Guide 955.2 KB LED-DRIVER-SELECTOR-GUIDE N 1537464109287702482909 /docs/en/brochure/75017588.pdf 2016-07-11 1442124536742699632315 PSP 8 Jul 2, 2014 Brochure None /docs/en/brochure/75017588.pdf English documents 2752784 None 712453003803778552 2024-10-21 N /docs/en/brochure/75017588.pdf LED controllers: Voltage-switch drivers, constant-current drivers, and Flash LED drivers /docs/en/brochure/75017588.pdf documents 712453003803778552 Brochure N en None Y pdf 1.0 N N LED controllers: Voltage-switch drivers, constant-current drivers, and Flash LED drivers 2.8 MB 75017588 N 1442124536742699632315 Data Sheet 1 /docs/en/data-sheet/PCA9634.pdf 2018-01-02 1442054354386707727680 PSP 1 Dec 18, 2017 Data Sheet The PCA9634 is an I2C-bus controlled 8-bit LED driver optimized for Red/Green/Blue/Amber (RGBA) color mixing applications. None /docs/en/data-sheet/PCA9634.pdf English documents 838362 None 980000996212993340 2024-10-18 N /docs/en/data-sheet/PCA9634.pdf 8-bit Fm+ I2C-bus LED driver /docs/en/data-sheet/PCA9634.pdf documents 980000996212993340 Data Sheet N en None Y pdf 7.1 N N 8-bit Fm+ I2C-bus LED driver 838.4 KB PCA9634 N 1442054354386707727680 Package Information 3 /docs/en/package-information/SOT360-1.pdf 2016-02-12 1455078603712720580365 PSP 9 Feb 8, 2016 Package Information None /docs/en/package-information/SOT360-1.pdf English documents 310839 None 302435339416912908 2024-10-21 N /docs/en/package-information/SOT360-1.pdf plastic thin shrink small outline package; 20 leads; body width 4.4 mm /docs/en/package-information/SOT360-1.pdf documents 302435339416912908 Package Information N en None Y pdf 1.0 N N plastic thin shrink small outline package; 20 leads; body width 4.4 mm 310.8 KB SOT360-1 N 1455078603712720580365 /docs/en/package-information/SOT662-1.pdf 2016-02-12 1455079670029721489839 PSP 10 Feb 8, 2016 Package Information None /docs/en/package-information/SOT662-1.pdf English documents 213918 None 302435339416912908 2024-10-21 N /docs/en/package-information/SOT662-1.pdf plastic thermal enhanced very thin quad flat package; no leads; 20 terminals; body 5 x 5 x 0.85 mm /docs/en/package-information/SOT662-1.pdf documents 302435339416912908 Package Information N en None Y pdf 1.0 N N plastic thermal enhanced very thin quad flat package; no leads; 20 terminals; body 5 x 5 x 0.85 mm 213.9 KB SOT662-1 N 1455079670029721489839 /docs/en/package-information/SOT163-1.pdf 2016-02-12 1455079171621724647129 PSP 11 Feb 8, 2016 Package Information plastic small outline package; 20 leads; body width 7.5 mm None /docs/en/package-information/SOT163-1.pdf English documents 343226 None 302435339416912908 2024-10-21 N /docs/en/package-information/SOT163-1.pdf plastic small outline package; 20 leads; body width 7.5 mm /docs/en/package-information/SOT163-1.pdf documents 302435339416912908 Package Information N en None Y pdf 1.0 N N plastic small outline package; 20 leads; body width 7.5 mm 343.2 KB SOT163-1 N 1455079171621724647129 Packing Information 2 /docs/en/packing/SOT662-1_118.pdf 2013-04-18 1442131203291729471151 PSP 12 Apr 18, 2013 Packing Information None /docs/en/packing/SOT662-1_118.pdf English documents 271965 None 145666923842250347 2024-10-21 N /docs/en/packing/SOT662-1_118.pdf HVQFN20; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 /docs/en/packing/SOT662-1_118.pdf documents 145666923842250347 Packing Information N en None Y pdf 1.0 N N HVQFN20; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 272.0 KB SOT662-1_118 N 1442131203291729471151 /docs/en/packing/SOT360-1_118.pdf 2013-04-17 1442131717959689109779 PSP 13 Apr 15, 2013 Packing Information None /docs/en/packing/SOT360-1_118.pdf English documents 230045 None 145666923842250347 2024-10-21 N /docs/en/packing/SOT360-1_118.pdf TSSOP20; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 /docs/en/packing/SOT360-1_118.pdf documents 145666923842250347 Packing Information N en None Y pdf 4.0 N N TSSOP20; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 230.0 KB SOT360-1_118 N 1442131717959689109779 User Guide 4 /docs/en/user-guide/UM10204.pdf 2016-07-12 1442125286808710770774 PSP 3 Oct 1, 2021 User Guide NXP Semiconductors developed a simple bidirectional 2-wire bus for efficient inter-IC control. This bus is called the Inter-IC or I2C-bus. Only two bus lines are required: a serial data line (SDA) and a serial clock line (SCL). Serial, 8-bit oriented, bidirectional data transfers can be made at up to 100 kbit/s in the Standard-mode, up to 400 kbit/s in the Fast-mode, up to 1 Mbit/s in the Fast-mode Plus (Fm+), or up to 3.4 Mbit/s in the High-speed mode. None /docs/en/user-guide/UM10204.pdf English documents 750958 None 132339537837198660 2024-10-24 N /docs/en/user-guide/UM10204.pdf I2C-bus specification and user manual /docs/en/user-guide/UM10204.pdf documents 132339537837198660 User Guide N en None Y pdf 7.0 N N I2C-bus specification and user manual 751.0 KB UM10204 N 1442125286808710770774 /docs/en/user-guide/UM10537.pdf 2012-03-15 1442125921741702738215 PSP 4 Mar 15, 2012 User Guide None /docs/en/user-guide/UM10537.pdf English documents 979257 None 132339537837198660 2024-10-24 N /docs/en/user-guide/UM10537.pdf PCA9634 demonstration board OM13327 /docs/en/user-guide/UM10537.pdf documents 132339537837198660 User Guide N en None Y pdf 1.0 N N PCA9634 demonstration board OM13327 979.3 KB UM10537 N 1442125921741702738215 /secured/assets/documents/en/user-guide/UM10317.pdf 2011-06-30 1442125396322710024694 PSP 5 Dec 15, 2008 User Guide Registration without Disclaimer /secured/assets/documents/en/user-guide/UM10317.pdf English documents 345007 None 132339537837198660 2024-10-21 Y /webapp/Download?colCode=UM10317 UM10317 /secured/assets/documents/en/user-guide/UM10317.pdf documents 132339537837198660 User Guide N en Extended Y pdf 1.0 Y N UM10317 345.0 KB UM10317 N 1442125396322710024694 /secured/assets/documents/en/user-guide/UM10206.pdf 2016-07-12 1442125267076701864849 PSP 6 Jun 13, 2006 User Guide The I2C Demonstration Board 2005-1 is a new expandable low cost I2C based platform that allows Field Application Engineers, designers and educators to use their Personal Computer (PC) to easily test and demonstrate I2C-bus devices from Philips Semiconductors in a platform similar to a real system environment. Registration without Disclaimer /secured/assets/documents/en/user-guide/UM10206.pdf English documents 267686 None 132339537837198660 2024-07-12 Y /webapp/Download?colCode=UM10206 I2C Demonstration Board 2005-1 Quick Start Guide /secured/assets/documents/en/user-guide/UM10206.pdf documents 132339537837198660 User Guide N en Extended Y pdf 1.0 Y N I2C Demonstration Board 2005-1 Quick Start Guide 267.7 KB UM10206 N 1442125267076701864849 true Y Products

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