System Management Device Overview January 2009 System Management: I2C Peripherals A family for every common problem General Purpose Input Output (GPIO) expanders More of different types of input or output, locally or remote LED Blinkers, dimmers, drivers Solutions for LED controllability for direct or in-direct control Serial ADCs / DACs Analog control and audio Tiny and simple Analog-to-Digital Converters and vice versa Buffers Extenders, hubs, repeaters many devices, large distances and hazardous circumstances Temperature Sensors (digital) Digital temperature information with internal or external diode Real Time Clocks (RTCs) Digital Time and/or calendar with low power consumption LCD drivers Simple displays with a lot of functions monochrome, character, shapes, dots DIP / CBT switches I2C programmable DIP switches and Cross Bar Technology control (CBT Switch) 6 System Management: I2C Peripherals A family for every common problem Multiplexers and switches Add advanced I2C bus architecture devices to allow more devices, backup, hot-swap Bus controllers Add fully featured extra I2C bus Parallel to I2C master or serial Bridge ICs with I2C Master I2C Slave Bridge ICs I2C Slave devices that add wired connectivity: SPI Master, UARTs or DUARTs (dual UARTs) EEPROMS / E2PROMS/ RAM Digital permanent memory with long retention and/or security features Small Micro Controllers (8-bit) Add easy custom functionality for standard tasks I2C Voltage level translators Simple multi-configuration level shifters that support bi-directional and simultaneous different type of IOs www.nxp.com/support 7 Bus Architecture 33 I2C-bus - parallel vs serial Commonly described as "Two-wire bus" One wire for data, one wire for clock Serial bus to conserve pins (versus parallel) Master-Slave hierarchy for simplicity Good for low to medium speed applications (< 1 MHz) I2C = Inter-IC Parallel V CC Logic Costs EMC, interconnects and pins Saves PCB space Lot of programming Easily expandable Lots of wires Better results, no hassle 34 I2C Bus Basics - Address and Data New devices can be easily clipped on to an existing bus! controller The master always sends the SCL SDA (clock) signal. LED GPIO LCD SCL 1010A2A1A0R/W A2 A1 A0 Open drain outputs provide for a "wiredAND" connection that allows devices to be added or removed without impact. EEPROM Each device is addressed individually by software with a unique address that can be modified by hardware pins. 1010100R/W Write data Master S slaveaddress addressW WA Adatadata A data S slave A data A P A P < n data bytes > Read data S slave address R A data A data A P SDA transmitter Slave receiver SCL Master SDA receiver Slave transmitter SCL < n data bytes > last data byte S = Start condition A = Acknowledge P = Stop condition R = read (active high) A = Not Acknowledge W = Write (active low) 35 NXP Introduces Fast-mode Plus I2C data can be transmitted at speeds up to 1 MHz for more bandwidth 2500 CML 655 400 10X output strength allows longer distances without using buffers Data Transfer Rate (Mbps) 1394.a 35 10 1 Fm+ 3.4 MHz RS-422 1 MHz RS-485 Lowers system cost with more flexibility 400 kHz 100 kHz 0.1 I2C RS-232 0 RS-423 10 100 Cable Length (meters) P82B96 1000 36 Fast-mode Plus Specifics - PCA96XX Bus speed DC to 1 MHz fully compatible with existing I2C and SMBus - Higher bandwidth allows more devices on the bus and more complicated patterns Bus drive strength 10x normal I2C I/O Drive - Drive heavier capacitive load or longer cable lengths New practical features - Integrate software reset activates POR with I2C sequence - Hardware address pins connecting to VCC, GND SCL, SDA allows up to 64 addresses vs the normal 8 using only three pins Target market: amusement, back lighting & architectural lighting I2C-bus Specification UM10204 at www.nxp.com/i2c 37 Maximum bus speed vs capacity 38 New Products 39 System Management I2C Logic - - - - - Bus Controller Temperature Sensor EEPROM & DIP Switch Multiplexer and Switch Voltage Level Translation Bus Buffer - Static Level Offset - Hot Swap - Long Distance GPIO - Quasi Bi-Directional output - Push-pull output - High Voltage/Automotive LED - LED Status Indication - LED Color Mixing - LED Signs GTL - Active transceivers for computing - Passive voltage level translation 46 SE97/98A -Temp Sensor & SPD for DDR3 DIMM Features Temperature integrated 2kbit SPD DIMM MEM MEM MEM MEM JEDEC JC42.4 specification compliant SE97 - 3.0 V - 3.6 V EEPROM voltage write and temp sensor operation - 1.7 V - 3.6 V EEPROM voltage read Memory Bus SMBus Memory Controller EVENT CPU SE98A - 1.7 V - 3.6 V temp sensor operation 2x3 DFN, 4x5 TSSOPW Benefits Temp Sensor only (SE98A) or Combo Device (SE97) Memory Module Offers wide range of packages: 2x3 HUSON, 3x3 HVSON, and 4x5 TSSOP Offers lowest height (0.5 mm or 0.8mm) on 2x3 package 47 Differences between LM75A vs LM75B 48 LM75B - SO and TSSOP accuracy vs Temp SO SOIC Package TSSOP TSSOP Package 49 System Management I2C Logic - - - - - Bus Controller Temperature Sensor EEPROM & DIP Switch Multiplexer and Switch Voltage Level Translation Bus Buffer - Static Level Offset - Hot Swap - Long Distance GPIO - Quasi Bi-Directional output - Push-pull output - High Voltage/Automotive LED - LED Status Indication - LED Color Mixing - LED Signs GTL - Active transceivers for computing - Passive voltage level translation 57 PCA9507 versus PCA9517/17A PCA9507 is an upgrade replacement over PCA9517/17A with integrated rise time accelerator for longer cable HDMI DDC application Specifically designed for HDMI DDC source applications A-side has normal voltage swings to interface with any other device PCA9507 and PCA9517/17A Comparison Features A-side with "rise time accelerator" for heavy load or long cable (over 18 meters)* A-side supply voltage range ESD HBM PCA9507 PCA9517A PCA9517 Yes No No 2.7V to 5.5V 0.9V to 5.5V 0.9V to 5.5V 5 kV 5kV 2kV Not recommended for new designs * Note: Longer cable stretches clock low time and requires less than 400 kHz speed operation 58 PCA9507 HDMI DDC Buffer/Extender Features Benefits Bidirectional bus buffer Isolate capacitance & noise on DDC line Rise time accelerator - A-side Extend DDC line > 18 m Strong A-side driver Increase noise margin on DDC line 5 kV ESD HBM Require no external discrete components Dual Supplies Permit 5V DDC level shift to 3.3V DVDR/STB Digital TV PCA9507 A B 59 PCA9517A - High ESD I2C Bus Buffer Features: I2C bidirectional buffer Redundant Power Supply Dual supply rails - Voltage translation PCA9517A 5 kV ESD HBM PCA9517A PCA9517A : PCA9517A PCA9517A .. Normal I/O voltage swing with high drive on A-side Isolates capacitance and noise for cable application Ethernet Switch PCA9517A PCA9517A Benefits: cable PCA9517A PCA9517A Redundant Power Supply Ethernet Switch PCA9517A buffers each end of the cable Incurs no offset voltage 60 PCA9509 - 1.1 V to 3.3/5 V translator Bidirectional Voltage translation between 1.1 V and 3.3/5 V without directional pin SMBus / Cable ENABLE signal controlled from 1.1 V or 3.3/5 V side VCC(B) range 3.0 to 5.5V Processor Isolate bus capacitance VCC(A) range 1V to VCC(B) -1V Ideal for 1.1 V master controlling 3.3/5 V slave or vice-versa No external pull-up required on the 1.1 V side due to internal current source TSSOP8, MSOP8, XSON8 package A Side B Side Static Offset Normal I2C Levels Low Voltage Side SMBus/5V 61 System Management I2C Logic - - - - - Bus Controller Temperature Sensor EEPROM & DIP Switch Multiplexer and Switch Voltage Level Translation Bus Buffer - Static Level Offset - Hot Swap - Long Distance GPIO - Quasi Bi-Directional output - Push-pull output - High Voltage/Automotive LED - LED Status Indication - LED Color Mixing - LED Signs GTL - Active transceivers for computing - Passive voltage level translation 63 1 MHz Fm+ I2C-bus I2C-bus Cable Processor PCA9600: Fm+ I2C Bus-Buffer 1 MHz and 60 mA drive 400 pF 4,000 pF GND FEATURES - Bidirectional data transfer - TX/TY outputs have 60 mA sink capability for driving low-impedance or high capacitive buses - 1 MHz operation up to 20 meters KEY POINTS - Longer point-to-point or multi-point architectures - Isolates capacitance allowing 400 pF on SX/SY side and 4000 pF on TX/TY side - I2C-bus logic levels on SX/SY side independent of supply voltage - Upgrade for P82B96 Voltage range PCA9600 2.3 - 5.5V w/5V tolerance Max I2C freq 1 MHz Bus Voltage Range 2 - 15 V 64 System Management I2C Logic - - - - - Bus Controller Temperature Sensor EEPROM & DIP Switch Multiplexer and Switch Voltage Level Translation Bus Buffer - Static Level Offset - Hot Swap - Long Distance GPIO - Quasi Bi-Directional output - Push-pull output - High Voltage/Automotive LED - LED Status Indication - LED Color Mixing - LED Signs GTL - Active transceivers for computing - Passive voltage level translation 71 PCA9574: Level Shifting GPIO with /RESET & /INT FEATURES Fast Mode I2C Interface - 400kHz , 400pF bus capacitance 8 Inputs/Outputs - True Bi-directional Style I/O - Push-Pull Outputs - Bus Hold Feature for Inputs - Programmable Pull-up/Pull-down Operating Power Supply Voltage Range 1.1V to 3.6V I/O Voltage Range (VDD(I/O)) = 1.1V to 3.6V - 1.1V, 1.5V, 1.8V, 2.5V, 3.3V10% 2-Slave Addresses using 1 Address Pin Bit Maskable Input Interrupts Hardware/Software Reset Active Low Open Drain /INT output signals input state change Low Standby Current <1uA -40C to +85C Temp Range 16-TSSOP, 16-SO, 16-HVQFN (3 x 3 x 1 mm) Packages 72 PCA9575: Level Shifting GPIO with /RESET & /INT FEATURES Fast Mode I2C Interface - 400kHz , 400pF bus capacitance 16 Inputs/Outputs - True Bi-directional Style I/O - Push-Pull Outputs - Bus Keeper Feature for Inputs - Programmable Pull-up/Pull-down Operating Power Supply Voltage Range 1.1V to 3.6V I/O Voltage Range (VDD(I/O)1, VDD(I/O)2) = 1.1V to 3.6V - 1.1V, 1.5V, 1.8V, 2.5V, 3.3V10% Four-Slave Addresses using 2 Address Pins Bit Maskable Input Interrupts Hardware/Software Reset Active Low Open Drain /INT output signals input state change Low Standby Current <1uA -40C to +85C Temp Range 24/28-TSSOP, 24-HVQFN (3x3x1 and 4x4x0.8) Packages 73 PCA9535C:16-bit low power GPIO w/Open Drain Open drain APPLICATIONS Add additional GPIO Ports for input or output to monitor and command signal generation. Keypad and switch control ACPI power switch LED control Signal monitoring Audio control Fan control FEATURES I2C Two-wire clip-on feature offers design flexibility PCA9535C Open drain outputs can sink up to 25 mA 2.3V to 5.5V Supply Voltage Low Stand-by current < 1A Active Low Open-Drain Interrupt Output when input state changes 3-Programmable I2C Address up to 8 devices Supports I2C Standards 100/400 kHz (Standard/Fast Mode) Package Availability Package Type SO24 TSSOP24 HWQFN24 Package Designator Size D 7.5x15.4 PW 4.4x7.8 HF 4x4x0.75 75 PCA9539R:16-bit low power GPIO w/special reset APPLICATIONS Add additional GPIO Ports for input or output to monitor and command signal generation. Keypad and switch control ACPI power switch LED control PCA9539R Signal monitoring Audio control only Fan control PCA9539R - the /RESET pin will only reset the I2C-bus interface and not the whole device, allowing any chips being controlled by the outputs to continued to be controlled even while the I2C-bus interface is reset. FEATURES Identical to PCA9539 except for action of /RESET input I2C Two-wire clip-on feature offers design flexibility Push Pull outputs can source up to 10 mA and sink up to 25 mA 2.3V to 5.5V Supply Voltage Low Stand-by current < 1A Active Low Open-Drain Interrupt Output when input state changes 3-Programmable I2C Address up to 8 devices Supports I2C Standards 100/400 kHz (Standard/Fast Mode) Package Availability Package Type TSSOP24 HVQFN24 Package Designator Size PW 4.4x7.8 BS 4x4x1 76 System Management I2C Logic - - - - - Bus Controller Temperature Sensor EEPROM & DIP Switch Multiplexer and Switch Voltage Level Translation Bus Buffer - Static Level Offset - Hot Swap - Long Distance GPIO - Quasi Bi-Directional output - Push-pull output - High Voltage/Automotive LED - LED Status Indication - LED Color Mixing - LED Signs GTL - Active transceivers for computing - Passive voltage level translation 77 PCA9701/02 AEC-Q100 Compliance 18V Tolerant 16-Bit GPI with /INT APPLICATIONS Automotive - Body Control, Seat Control AEC-Q100 Compliance > PCA970XPW/Q100 FEATURES 8/16-Bit General Purpose Input Channels 18V Tolerant Inputs Open Drain /INT output VCC = 5V 4 MHz SPI Interface >8kV ESD Protection (HBM) Temp Range: -40 oC to +125 oC 24-Pin (PCA9701) and 16-Pin (PCA9702) 78 System Management I2C Logic - - - - - Bus Controller Temperature Sensor EEPROM & DIP Switch Multiplexer and Switch Voltage Level Translation Bus Buffer - Static Level Offset - Hot Swap - Long Distance GPIO - Quasi Bi-Directional output - Push-pull output - High Voltage/Automotive LED - LED Status Indication - LED Color Mixing - LED Signs GTL - Active transceivers for computing - Passive voltage level translation 82 LED Driver Roadmap 83 PCA9901 1-Wire Single LED Driver FEATURES VBAT VCC = 2.1 V t o 5.5 V VDD 1-bit Constant Current LED control VDD 1Wire CTRL Stand alone blinking capability after "learning" the sequence CPU LEDOUT PCA9901 One-wire interface GND Wake up, Standby and Reset modes ISET GND REXT = 22 k Imax = 20mA (current in the LED set by external resistor) Ideal for low power applications: Icc <250A, Istandby <1A VALUE PROPOSITION Off loads the CPU from the LED blinking task Reduces power consumption during LED blinking task 84 PCA9632 4-bit Low power, Multifunction I2C LED Controller APPLICATIONS RGBA Dimmer/Blinker PCA9533 PCA9533 Multiple color LED Blinking / status indication BlueTooth Headphone blinker PWM 1 Keypad Colorful Fun Lighting PWM 2P Global Handset Backlighting, Color mixing PWM 3W PWM Mobile / Smart Phones PWM 4M Toys and Handheld Games FEATURES Osc 1 MHz IC Bus 400 kHz Osc Drop-in upgrade for PCA9633 40x power reduction compared to PCA9633 Addr C4h Low Stand-by current < 1A Push-Pull Output current rating: 25mA sink, 10mA source Sub1 addr Sub2 addr. Sub3 addr Group addr. 2.3V to 5.5V Supply Voltage Fixed I2C Address (C4h) Supports I2C Standards 100/400 kHz (Standard/Fast Mode) Multifunction: LED On/Off, Bright/Dim, Blinking controls Blink rate: 40ms to 10.73 seconds Four 8-Bit PWM Support Individual LED Brightness Control One 6-Bit PWM Supports Group Dimming Control Glue less connection to External FETs for higher LED drive Package Availability Package Type TSSOP8 HVSON8 HVSON10 Package Designator Size (mm) DP1 3.1x3.1x1.1 TK 3x3x1 TK2 3x3x1 85 SSL3250A - Asynchronous Boost Converter for Single/Dual High Power LED Feature: Output 500mA for flash and 200mA torch, and 20mA separate output indicator with > 85% efficiency Low side drive LED output up to 9.6V for single or dual LED Wide input voltage range from 2.7V to 5.5V Direct HW control or I2C Interface with external resistors to set output current Strobe and torch input control for low latency for the respective flash and torch mode TXMASK for push application (email download) to reduce flash current Detect LED open, short, over-temperature shutdown, output over-voltage protection 3x3x0.8 [mm] HVQFN-16 package Direct Drop in Replacement for ADP1653 from ADI 7 mm SSL3250A 7 mm PCB Layout 88 SSL3252 - Synchronous Boost Converter for Single/Dual High Power LED Feature: Output 500mA flash, 160mA torch/assist light, and separate 10mA indicator with greater than 85% efficiency High side output up to 8.85V, supporting single or dual LED, and also allowing excellent thermal dissipation Wide input voltage range from 2.5V to 5.5V Direct hardware control or I2C interface Detect inductor broken coil, open, short detection, over-temperature and over current protection Strobe signal for low latency when flash 2x1.5x0.6 [mm] WLCSP-12 package L Total PCB Area = 25mm2 SSL3252 CO 5 mm Ci 4 mm 89 SSL3250A versus SSL3252 SSL3250A is an asynchronous boost converter for single or dual high power LED SSL3252 is a synchronous boost converter for single or dual high power LED FEATURE SSL3250A SSL3252 1 or 2 1 or 2 500mA / 200mA / 20mA 400 mA* / 160 mA / 10mA Assist light NO YES LED Output Low side drive High side drive 1.2 MHz 2MHz NO YES Interface Type I2C or Direct I2C or Direct VIN Range 2.7V to 5.5V 2.5V to 5.5V NO YES HVQFN-16 WLCSP-12 3x3x0.8 [mm] 2x1.5x0.5 [mm] ES Availability NOW Q109 RFS NOW Q209 Drive number of LED in series Flash/Torch/indicator current Fixed switching frequency Integrate external diode Broken coil detection Package Dimension * SSL3252s flash current is 400mA @ 2 LED in series, and 500mA @ 1 LED 90 Charge Pump versus Inductor Boost SSL3250A & SSL3252 Feature Charge Pump Inductor Boost Fly back capacitor Inductor* Efficiency LOW HIGH Extend battery life that is critical in camera phone Drive single LED YES YES Drive multiple LED in series on same output NO YES Driving single and multiple LED allows a single device to use across multiple platforms More Features NO Extra external components Comments about Inductor Boost Inductor size is large, but PCB area is primarily dominated by the size of the LED layout area Having multiple LEDs not only gives Xenon Flash physical resemblance, but driving them by one output provides more and uniform output light, resulting in taking high quality picture YES TX_MASK reducing output current, prevents over-draining battery in push application such as downloading email Separate LED indictor output for video-on * One additional rectifying diode is required for asynchronous converter Inductor boost converter that extends battery life in flash or video mode, is critical for high performance camera phone Driving single and multiple LED allows one inductor boost converter to use across multiple platforms Having multiple LEDs not only gives Xenon Flash physical resemblance, but driving them by one output allows inductor boost converter provides more and uniform output light, resulting in high quality picture 91 PCA9685 - LED Lighting VCC3 Easy color mixing Larger current / higher voltage VCC2 Global dimming also with external pin OE RGB-LED Drive high efficiency converters PCA9685 VCC1 VCC4 PWM 1 PWM 2 drivers C PWM n PWM input I2C bus, easy remote control DC/DC Converter UBA3070 PCA9685 Application: Automotive Entertainment Architectural lighting Key benefits: Self-contained PWM on each output, set once, no PWM clock running across your PCB, reducing EMI 12-bit PWM resolution PWM frequency adjustable from 40 .. 1000 Hz 93 PCA96XX LED Controller Migration PCA963X PCA962X Yes Voltage range 2.3 - 5.5V 7 address pins 126 devices LED drivers each output programmable at: Off On LED brightness LED brightness with group dim/blink yes 256-step (8-bit) linear programmable brightness per LED yes 256-step group brightness control allows general dimming yes 256-step group blinking yes All Call and Sub Calls yes 5V25mA 40V100mA Now Shipping 1Q09 Fast-mode Plus (1 MHz - 4000 pF with SDA I OL 30 mA LED I O L Status 94 PCA9922 Constant Current Output LED Driver for large LED signs Features * 25 MHz serial interface * 3.3 V to 5.5 V operation * 8 LED low side constant current outputs * Global control for the 8 LED outputs variable between 15 mA to 60 mA * 5 mA to 60 mA maximum current for all 8 output channels set by an external resistor * Constant current matching at 25 C, VDD = 5.0 V * Bit-to-bit: 6 % * Chip-to-chip: 10 % * Gradual turn-on/turn-off output to limit EMI * Error detection mode for line open, output short to ground, LED open and LED short * -40 C to +85 C operation The PCA9922 is a pin-to-pin functionally equivalent 5 V alternative for the ST2221A and STP08CDC596. 110 Release History 118 System Management 2007 NEW PRODUCT INTRODUCTION: System Management FAMILY or PART # FUNCTION RFS DATE COMMENT PCA9549BS 8-bit CBT controlled by I2C-bus Feb 07 Release in HVQFN package GTL2012 2 bit GTL to LVTTL Feb 07 1/2 of GTL2005 or GTL2014 for computing PCA9545B/45C 4 channel switch Mar 07 Alt address allows more devices on bus GTL2003 8-bit Level Translator Mar 07 Offered in small DQFN package for computing PCA9534BS3 8-bit GPIO Apr 07 Smaller HVQFN package PCA9509GM Low Voltage Bus Buffer Jun 07 Offering in small package for computing PCA9535HF/55HF 16-bit GPIO Jun 07 Offered in thinner HVQFN package PCA9543B/43C 4 channel switch Jun 07 Alt address allows more devices on bus GTL2018 8 bit GTL to LVTTL Jun 07 2X of GTL2005 or GTL2014 for computing GTL2107 12-bit GTL Interface Jun 07 For Intel Xeon processor/chipset interface PCA9518A Expandable 5 channel hub Jun 07 Fix Hi-Z (match TI) and make 2.3 to 3.6V operation PCA9701 16 bit SPI GPI 18V tol Aug 07 For automotive relay pwr control, will be AEC-Q100 SE97 DDR3 DIMM TS with SPD Sept 07 +/- 1 oC local TS w/2Kbit EEPROM PCA9535C 16-bit GPIO Sept 07 Upper transistor disconnected/open drain I/O PCA9632 4-bit LED Controller Sept 07 40X power reduction from PCA9633, for mobile GTL2002DP/Q900 2-bit Level Translator Dec 07 Automotive AEC-Q100 qualification device PCA9600 Fm+ Bus Buffer Dec 07 1 MHz version of P82B96 PCA9517A Bus Buffers Dec 07 Fix pin 3 ESD cell/latch up & need device higher Vil PCA9507 Bus Buffers Dec 07 Level trans, isolate capacitance, rise time accelerator 122 System Management 2008 NEW PRODUCT INTRODUCTION: System Management FAMILY or PART # FUNCTION RFS DATE COMMENT PCA9625 16-bit LED Controller Jan 08 100 mA/24V Use FET for HV for Slot Machine PCA9306DC1 2-bit Level Translator Feb 08 Small VSSOP package to match TI DCU package PCA9508 Hot Swap Bus Buffer Mar 08 PCA9517A w/hot swap connect feature (like PCA9512A) PCA9574 8-bit Low Voltage GPIO Mar 08 Separate VCC pin for I/O voltage translation 1.1 - 3.6V PCA9632/02 4-bit LED controller Apr 08 Two address in version of PCA9632 allow 4 per bus PCA9685 16-bit LED Controller Jun 08 12-bit accuracy (4K steps) for LCD TV Backlighting PCA9539R 16-bit GPIO with INT/Reset Aug 08 Improved version of PCA9539 doesnt reset I/O state SE97TL/TP DDR3 DIMM TS with SPD Sept 08 +/- 1 oC local TS w/2Kbit EEPROM in 2 x 3 MLP package PCA9702 8 bit SPI GPI 18V tol Sep 08 For automotive relay pwr control, may be AEC-Q100 PCA9575 16-bit Low Voltage GPIO Oct 08 Separate VCC pins for I/Os allows voltage trans 1.1 - 3.6V LM75B Low cost industrial temp sensor Nov 08 +/- 2 oC local TS with interrupt output SSL3150AHN Dual LED Flash - Sink Dec 08 Mobile - 500 mA for two LEDs in series 123 System Management 2009 - 1H NEW PRODUCT INTRODUCTION: System Management FAMILY or PART # FUNCTION RFS DATE COMMENT PCA9922 8-bit Constant current LED Driver Jan 09 For LED bill board, serial interface PCA9622 16-bit LED Controller 1Q 09 100 mA/40V LED control, Fast-mode Plus interface SE98A DDR3 DIMM TS without SPD 1Q 09 +/- 1 oC local TS VCC range 1.7 - 3.6V PCA9624 8-bit LED Controller 1Q 09 100 mA/40V LED control, Fast-mode Plus interface PCA9626 24-bit LED Controller 2Q 09 100 mA/40V LED control, Fast-mode Plus interface SSL3252UK Dual LED Flash - Source 2Q 09 Mobile - 500 mA for two LEDs in series - CSP PCA9901 1 wire LED controller 2Q 09 Mobile, low Idd, current source 20 mA, 3 pattern sequence PCA9527 3 ch Buffer w/rise time accelerator 2Q 09 For HDMI DDC & CEC connections (or SCL/SDA & INT) 124 Support 132 Interface Products Internet Support General: http://www.semiconductors.nxp.com/support I2C Logic: http://www.nxp.com/i2c I2C.Support@nxp.com (E-mail Support) http://forums.nxp.com/forums/viewforum.php?f=6 (Discussion Forum) All other devices http://www.standardics.nxp.com/interface/ Interface.Support@nxp.com (E-mail Support) 133 135