MAX16816ATJ+ Maxim Integrated Products, MAX16816ATJ+ Datasheet
MAX16816ATJ+
Specifications of MAX16816ATJ+
Related parts for MAX16816ATJ+
MAX16816ATJ+ Summary of contents
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... On-Board Ramp Allows Analog-Controlled PWM Dimming and External PWM Dimming o Output Overvoltage, Overcurrent, and LED Short Protection o Enable/Shutdown Input with Shutdown Current Below 45µA PART MAX16816ATJ+ -40°C to +125°C + Denotes a lead-free package Exposed pad. Pin Configuration appears at end of data sheet ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming ABSOLUTE MAXIMUM RATINGS V , HI, LO, CLMP to QGND .................................-0.3V to +80V CC CS+, CS-, DGT, UVEN, FAULT to QGND...............-0.3V to +80V UVEN to QGND ..........................................-0. DRV to SGND ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming ELECTRICAL CHARACTERISTICS (continued 14V 1µ UVEN REG1 REG2 Typical specifications are +25°C.) A PARAMETER SYMBOL REG2 Regulation Voltage HIGH-SIDE REGULATOR (CLMP) ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming ELECTRICAL CHARACTERISTICS (continued 14V 1µ UVEN REG1 REG2 Typical specifications are +25°C.) A PARAMETER SYMBOL Z OUT_L Driver Output Impedance Z ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming ELECTRICAL CHARACTERISTICS (continued 14V 1µ UVEN REG1 REG2 Typical specifications are +25°C.) A PARAMETER SYMBOL CLKOUT High Level CLKOUT Low Level ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming ELECTRICAL CHARACTERISTICS (continued 14V 1µ UVEN REG1 REG2 Typical specifications are +25°C.) A PARAMETER SYMBOL SLOPE COMPENSATION Slope Compensation Peak-to- Peak ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming ELECTRICAL CHARACTERISTICS (continued 14V 1µ UVEN REG1 REG2 Typical specifications are +25°C.) A PARAMETER SYMBOL Slope Compensation _______________________________________________________________________________________ = 1µF, C ...
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... W0L Write-1 Low Time t W1L I/O, 1-Wire READ Read Low Time t RL Read Sample Time t MSR 1-Wire is a registered trademark of Dallas Semiconductor Corp., a wholly owned subsidiary of Maxim Integrated Products, Inc. 8 _______________________________________________________________________________________ = 1µ 0.1µ 25kΩ, T CLMP T CONDITIONS 5.5V < V < 76V ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming ELECTRICAL CHARACTERISTICS Note 1: Dropout voltage is defined as the input to output differential voltage at which the output voltage drops 100mV below its nom- inal value measured at output. Note 2: ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming ( 14V 1µ UVEN REG1 REG2 unless otherwise noted.) OUTPUT CURRENT vs. SUPPLY VOLTAGE 350 300 250 200 150 100 ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming ( 14V 1µ UVEN REG1 REG2 unless otherwise noted.) REF VOLTAGE vs. TEMPERATURE 3.12 3.10 3.08 3.06 3.04 3.02 3.00 2. 100μA REF ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming PIN NAME 1, 24 N.C. No Connection. Not internally connected. Undervoltage Lockout (UVLO) Threshold/Enable Input. UVEN is a dual-function adjustable UVLO threshold input with an enable feature. Connect UVEN ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming PIN NAME Negative Peak Current-Sense Input. Connect SNS- to the negative side of the switch current-sense resistor, 21 SNS SENSE 22 QGND Analog Ground. Ensure a low-impedance connection between QGND ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming V CC UVLO AND EN UVEN THERMAL SHUTDOWN QGND REG1 - V REF BUF 3.0V + RTSYNC OSC OSC CLKOUT OVP DIM COMP + - 200mV ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming Detailed Description The MAX16816 is a current-mode PWM LED driver for use in driving HB LEDs. An output current accuracy achievable using two current regulation loops: one current regulation ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming The capacitor C is required to prevent chattering UVEN at the UVLO threshold due to line impedance drops during power-up and dimming. If the undervoltage set- ting is very close to the ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming an analog control signal is applied to DIM, the MAX16816 compares the DC input to an internally gen- erated 200Hz ramp to pulse-width modulate the LED current (f = 200Hz). The output ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming where V is the 200mV maximum differential volt- SENSE age between SNS+ and SNS- and I inductor current at full load and minimum input voltage. When the voltage drop across R ILIM ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming FAULT 1-Wire Interface The MAX16816 features a FAULT output multiplexed with a 1-Wire programming interface. Once the voltage at UVEN exceeds the UVLO threshold, the device is enabled and FAULT will pulse ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming Binning Adjustment Register (BIN) The MAX16816 uses a feedback loop to control the load current. The differential voltage across the current- sense resistor compared with an internal CS adjustable ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming Digital Soft-Start Duration Register (SS) The MAX16816 programmable soft-start feature allows the load current to ramp controlled manner, elimi- nating output overshoot during startup. Soft-start begins once the device ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming The MAX16816 features built-in overvoltage protection, overcurrent protection, HICCUP mode current-limit pro- tection, and thermal shutdown. Overvoltage protection is achieved by connecting through a resistive voltage-divider. HICCUP mode limits ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming Boost configuration: In the boost converter, the average inductor current varies with line and the maximum aver- age current occurs at low line. For the boost converter, the average inductor current is ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming Careful PCB layout is critical to achieve low switching losses and clean, stable operation. Use a multilayer board whenever possible for better noise performance and power dissipation. Follow these guidelines for good ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming sequence begins. All EEPROM bits are copied to the EEPROM from the scratchpad with a single SET_WRITE_EE command. This command also sets an internal BUSY flag to mask all other incoming signals. ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming Programming Sequences The µC (master) starts the communication with the MAX16816 by pulling UVEN high. The MAX16816 then does the handshaking with the µC by pulling FAULT low. Once the µC receives ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming There are two types of write time slots: Write-1 time slots and Write-0 time slots. The bus master uses a Write-1 time slot to write a logic ‘1’ to the MAX16816 and ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming The MAX16816 can only transmit data to the master when the master issues read time slots. All read time slots must be a minimum of 60µs in dura- tion with a minimum ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming Chip Information PROCESS: BiCMOS ______________________________________________________________________________________ Pin Configuration TOP VIEW N. UVEN REG1 3 AGND 4 MAX16816 REF 5 6 DIM RTSYNC 7 *EP ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming UV2 R UV1 C UVEN BOOST CONFIGURATION 30 ______________________________________________________________________________________ Typical Operating Circuits (continued CS+ LO CLMP DGT CS- CC UVEN ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming UV2 FAULT R UV1 UVEN C UVEN DIM DIM REG1 REG1 RTSYNC CS FB COMP R1 C1 BUCK CONFIGURATION ______________________________________________________________________________________ Typical Operating Circuits ...
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Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 32 ______________________________________________________________________________________ Package Information ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 33 © 2008 Maxim Integrated Products ...