19-6335 Rev 0 5/12 MAX44000PMB1 Peripheral Module General Description Features The MAX44000PMB1 peripheral module provides the S Ambient Light Sensor necessary hardware to interface the MAX44000 ambient S Close Range Proximity Detector and infrared proximity sensor to any system that utilizes S Integrated Single-Pulse IR LED Driver 2 PmodK-compatible expansion ports configurable for I C 2 S 6-Pin Pmod-Compatible Connector (I C) communication. The IC combines a wide-dynamic range ambient light sensor with an integrated infrared (IR) S Example Software Written in C for Portability proximity sensor. The on-chip ambient light sensor has S Secondary Header Allows Daisy-Chaining of the ability to make wide dynamic range 0.03 lux to 65,535 2 Additional Modules on the I C Bus lux measurements. An on-chip IR proximity detector is S RoHS Compliant matched with an integrated IR LED driver. All readings 2 are available on an I C communication bus. S Proven PCB Layout Refer to the MAX44000 IC data sheet for detailed informa- S Fully Assembled and Tested tion regarding operation of the IC. Ordering Information appears at end of data sheet. MAX44000PMB1 Peripheral Module Pmod is a trademark of Digilent Inc. Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.MAX44000PMB1 Peripheral Module Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION R1, R2, R3 3 150I Q5% resistors (0603) 2.2FF Q10%, 10V X5R ceramic C1 1 capacitor (0603) R4 1 33I Q5% resistor (0603) TDK C1608X5R1A225K/0.80 R5, R6, R7 3 4.7kI Q5% resistors (0603) 0.1FF Q10%, 16V X7R ceramic Ambient and IR proximity sensor C2 1 capacitor (0603) U1 1 (6 OTDFN-EP*) Murata GRM188R71C104KA01D Maxim MAX44000GDT+ J1 1 6-pin right-angle male header 1 PCB: EPCB44000PM1 J2 1 8-pin (2 x 4) straight male header *EP = Exposed pad. 70mA, 1.6V, 860nm IR LED LED1 1 (MIDLED) OSRAM SFH4651 Component Suppliers SUPPLIER PHONE WEBSITE Murata Electronics North America, Inc. 770-436-1300 www.murata-northamerica.com OSRAM Opto Semiconductors 888-446-7726 www.osram-os.com TDK Corp. 847-803-6100 www.component.tdk.com Note: Indicate that you are using the MAX44000PMB1 when contacting these component suppliers. 2 Table 1. Connector J1 (I C Communication) Detailed Description PIN SIGNAL DESCRIPTION 2 I C Interface 1 N.C. Not connected The MAX44000PMB1 peripheral module can interface Interrupt. Open-drain output from to the host in one of two ways. It can plug directly into a module that is pulled low when an 2 Pmod-compatible port (configured for I C) through con- interrupt condition occurs (e.g., when 2 nector J1, or in this case, other I C boards can attach to 2 INT ambient lux readings exceed threshold 2 the same I C bus through connector J2. limits for a period greater than that set 2 I C Interface (Daisy-Chaining Modules) by the Time register). Alternatively, the peripheral module can connect to other 2 3 SCL I C serial clock 2 I C-based Pmod modules using a 4-conductor ribbon 2 4 SDA I C serial data cable connecting to the J2 connector. In this situation, 5 GND Ground pins 1-4 and 5-8 on J2 provide two connections to the 6 VCC Power supply 2 2 I C bus, allowing the module to be inserted into an I C bus daisy-chain. 2 Table 2. Connector J2 (I C Expansion) Connector J1 provides connection of the module to the Pmod host. The pin assignments and functions adhere PIN SIGNAL DESCRIPTION to the Pmod standard recommended by Digilent. See 2 1 SCL I C serial clock Table 1. 2 2 SDA I C serial data The J2 connector allows the module to be connected 3 GND Ground 2 through a daisy-chain from another I C module and/or 4 VCC Power supply 2 2 provide I C and power connections to other I C modules 2 5 SCL I C serial clock (same as pin 1 above) on the same bus. See Table 2. 2 6 SDA I C serial data (same as pin 2 above) 7 GND Ground 8 VCC Power supply Maxim Integrated Products 2