Click here to ask about the production status of specific part numbers. Evaluates: MAX16826 MAX16826 Evaluation Kit General Description Features The MAX16826 evaluation kit (EV kit) provides a proven Four Independently Controllable LED Strings 2 design to evaluate the MAX16826, a four-string, I C 7 LEDs Per String Configuration programmable high-brightness LED (HB LED) driver Independently Programmable 50mA to 150mA with PWM dimming control. The EV kit also includes String Current Windows 2000/XP/Vista -compatible software that pro- 7.5V to 22V Input Voltage vides a simple graphical user interface (GUI) for exercis- Can Withstand Automotive Load Dump Up to 40V ing the features of the MAX16826. The MAX16826 EV kit for 400ms PCB comes with a MAX16826ATJ+ installed. The EV kit 0% to 100% DIM Duty Cycle Range is configured in a boost application. Shorted LED Protection and Detection This EV kit can be modified by changing component val - Open LED String Detection ues on the board for other configurations (including RGB Adaptive Boost-Stage Voltage Optimization LED applications). Refer to the MAX16826 IC data sheet Convenient Breakaway LED Driver Board Easily for more information. Adaptable to End Application LED Driver Board Specification Low Mechanical Profile PARAMETER DESCRIPTION Windows 2000/XP/Vista (32-Bit)-Compatible Software Configuration 7 white LEDs/string USB-PC Interface 2 Number of Strings 4 strings USB-to-I C On-Board Circuitry LED Current Adjustment Range 50mA to 150mA Fully Assembled and Tested Total Maximum LED Power 16.8W Lead-Free and RoHS Compliant V (min) 7.5V IN Ordering Information V (max) 22V IN Load Dump 40V for < 400ms PART TYPE Nominal Boost Voltage Adjustment MAX16826EVKIT+ EV Kit 22.4V to 32V Range MAX16826EVKIT EV Kit Nominal OVP Trip Threshold 35V +Denotes lead-free and RoHS compliant. Denotes RoHS compliant. Boost Stage Switching Frequency 350kHz Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION C1, C2, C3, C5 100nF 10%, 16V X7R ceramic 10F 20%, 50V X5R ceramic C8, C12, C15, 12 capacitors (0603) C26, C28 2 capacitors (2220) C17, C23, C24 TDK C1608X7R1C104K Murata GRM55DR61H106K 33nF 10%, 50V X7R ceramic 10F 20%, 50V X7S ceramic C9 1 capacitor (0603) C27 1 capacitor (1210) TDK C1608X7R1H333K Taiyo Yuden UMK325BJ106MM-T 22pF 5%, 50V C0G ceramic 2.2nF 5%, 50V C0G ceramic C10, C11 2 capacitors (0603) C29 1 capacitor (0603) TDK C1608C0G1H220J Murata GRM1885C1H222K 1F 10%, 16V X7R ceramic 1F 10%, 50V X7R ceramic C13, C14, 6 capacitors (0603) C30 1 capacitor (1210) C18C21 TDK C1608X7R1C105K Murata GRM32RR71H105K 10F 10%, 10V X5R ceramic 4.7F 10%, 6.3V X5R ceramic C16, C25 2 capacitors (1210) C32 1 capacitor (0603) Murata GRM32FR61A106K Murata GRM188R60J475K Windows and Windows Vista are registered trademarks of Microsoft Corp. 19-4271 Rev 1 12/20Evaluates: MAX16826 MAX16826 Evaluation Kit Component List (continued) DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION 2200pF 10%, 50V X7R ceramic 0.04 1%, 0.5W sense resistor C33 1 capacitor (0402) R12 1 (2010) Murata GRM155R71H222K Vishay/Dale WSL2010R0400FEA 47F 20%, 50V electrolytic R13 1 215k 1% resistor (0402) C34, C35 2 capacitors R14, R16 2 10k 1% resistors (0402) Panasonic EEE-FK1H470XP R15 1 249k 1% resistor (0402) C36, C37 0 Not installed, capacitors (0603) R17 1 1.27k 1% resistor (0603) 1000pF 5%, 50V C0G ceramic R18 1 182k 1% resistor (0603) C38 1 capacitor (0402) Murata GRM1555C1H102JA01D R19 1 2k 1% resistor (0402) 220pF 5%, 50V C0G ceramic R20, R22, 4 100k 1% resistors (0402) C39 1 capacitor (0402) R24, R26 Murata GRM1555C1H221J R21, R23, 4 16.5k 1% resistors (0402) 100pF 5%, 50V C0G ceramic R25, R27 C40 1 capacitor (0402) 2.2 1%, 100mW sense resistors Murata GRM1555C1H101J R28R31 4 (0603) 0.01F 10%, 50V X7R ceramic Panasonic ECG ERJ-3RQF2R2V C41C44 4 capacitors (0402) R32, R33 2 0 5% resistors (0603) Murata GRM155R71H103K R34R37 4 0 5% resistors (0402) C45 0 Not installed, capacitor (0402) R38 1 12.1 1% resistor (0805) 60V, 1A Schottky diode (SMB) D1 1 R39 1 470 5% resistor (0402) Diodes, Inc. B160B-13-F R40 1 10k 5% resistor (0603) USB series-B right-angle PC- J1 1 mount receptacle R41R44 4 237k 1% resistors (0603) J2, J3 0 Not installed LED driver (32 TQFN) U1 1 Maxim MAX16826ATJ+ JU2JU8 7 3-pin headers Microcontrollers (68 QFN-EP*) Ferrite bead (0603) U2, U8 2 L1 1 Maxim MAXQ2000-RAX+ TDK MMZ1608R301A UART-to-USB converter (32 TQFP) 22H 20%, 5A, 52m inductor U3 1 L2 1 FTDI FT232BL Coilcraft MSS1260-223Ml 93C46A 3-wire EEPROM (8 SO) Red LED (0603) U4 1 LED1 1 Atmel AT93C46A-10SU-2.7 Panasonic LNJ208R8ARA p-channel MOSFET power switch P1, P2 2 Connectors, FFC/FPC 18-pos, 1mm U5 1 (8 SO) P3 1 Connector, FFC/FPC 6-pos, 1mm Maxim MAX890LESA+ 40V, 9A, 2.5W n-channel MOSFET LDO regulator (5 SC70) Q1 1 (8 SO) U6 1 Maxim MAX8511EXK25+T International Rectifier IRF7469 LDO regulator (5 SC70) 55V, 1.9A, 160m n-channel U7 1 Maxim MAX8511EXK33+T Q2Q5 4 MOSFETs (SOT223) International Rectifier IRFL014NPbF Y1 1 20MHz crystal oscillator 6MHz crystal R1 1 220 5% resistor (0603) Y2 1 Hong Kong Xtals R2 1 2.2k 5% resistor (0603) SSL6000000E18FAF R3, R9, R10 3 1.5k 5% resistors (0603) 1 Cable, flat flex 18-position, 1mm, 5in R4, R5 2 27 5% resistors (0603) 7 Shunts R6 1 470 5% resistor (0603) USB high-speed A-to-B cable, R7 1 100k 5% resistor (0603) 1 5ft (1.5m) R8 1 7.5k 1% resistor (0603) 1 PCB: MAX16828 Evaluation Kit+ R11 1 68 1%, 0.25W resistor (1206) *Exposed pad. 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