Demonstration circuit 2728A is a high voltage, dual output boost converter with 12V to 24V input range. The output voltage is adjustable from VIN to 48V. Each output can supply 5A maximum load current. The demo board has a LTC7880 controller, which is a 60V dual output step-up controller with digital power system management. Please see LTC7880 data sheet for more detailed information. DC2728A powers up to default settings and produces power based on configuration resistors or its nonvolatile memory (NVM) without the need for any serial bus communication. This allows easy evaluation of the DC/DC converter. To fully explore the extensive power system management features of the part, download the GUI software LTpowerPlay® onto your PC and use ADI’s I2C/SMBus/PMBus dongle DC1613A to connect to the board. LTpowerPlay allows the user to reconfigure the part on-the-fly and store the configuration in EEPROM, view telemetry of voltage, current, temperature and fault status.

The LTC2949 is a high precision current, voltage, temperature,?charge and energy meter for electrical and hybrid?vehicles and other isolated current sense applications. It?infers charge and energy flowing in and out of the battery?pack by monitoring simultaneously the voltage drop over?up to two sense resistors and the battery pack voltage.Low offset ?? ADCs ensure accurate measurement of?voltage and current with insignificant power loss. Continuous?integration of current and power ensures lossless?tracking of charge and energy delivered or received by?the battery pack.The built-in serial interface can be configured to support?isolated isoSPI communication to the host or as SPI?interface.The LTC2949 features 12 internally buffered high impedance?inputs (V1 to V12) for measuring voltages from?external sensors or resistor dividers allowing to measure?temperatures, HV-Link voltages, chassis isolation and?supervise contactor states. LTC2949 has up to five programmable?digital outputs which can be set to ground,?supply or toggling at 400kHz.Programmable threshold and tracking registers reduce?digital traffic to the host.Applications Electric and Hybrid Vehicles Isolated Current Sensing Backup Battery Systems High Power Portable Equipment

The DC2733 is a demonstration system for the LTC4249, 65V Dual Electronic Circuit Breaker with Current Monitors. The LTC4249 provides dual independent 1.2A, 75mΩ circuit breakers that can function independently or work together in parallel. Each circuit breaker channel has its own enable, ready, and IMON pins. The DC2733 demo board gives access to both channels of the LTC4249, including the independent RDY and IMON outputs and the EN inputs. Resistors at the IMON pins set the circuit breaker thresholds as well as the IMON current-to-voltage gains. The IC draws power from the IN1 input.

The LTC7815 is a high performance triple output (buck/buck/boost) synchronous DC/DC switching regulator controller that drives all N-channel power MOSFET stages. Constant frequency current mode architecture allows a phase-lockable switching frequency of up to 2.25MHz. The LTC7815 operates from a wide 4.5V to 38V input supply range. When biased from the output of the boost converter or another auxiliary supply, the LTC7815 can operate from an input supply as low as 2.5V after start-up.The 28?A no-load quiescent current extends operating runtime in battery powered systems. OPTI-LOOP compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. The LTC7815 features a precision 0.8V reference for the bucks, 1.2V reference for the boost and a power good output indicator. The PLLIN/MODE pin selects among Burst Mode operation, pulse-skipping mode, or continuous inductor current mode at light loads.Applications Automotive Always-On and Start-Stop Systems Battery Operated Digital Devices Distributed DC Power Systems Multioutput Buck-Boost Applications

The LTC2404/LTC2408 are 4-/8-channel 2.7V to 5.5V micropower 24-bit A/D converters with an integrated oscillator, 4ppm INL and 0.3ppm RMS noise. They use delta-sigma technology and provide single cycle digital filter settling time (no latency delay) for multiplexed applications. The first conversion after the channel is changed is always valid. Through a single pin the LTC2404/LTC2408 can be configured for better than 110dB rejection at 50Hz or 60Hz ?2%, or can be driven by an external oscillator for a user defined rejection frequency in the range 1Hz to 120Hz. The internal oscillator requires no external frequency setting components. The converters accept any external reference voltage from 0.1V to VCC. With their extended input conversion range of ?12.5% VREF to 112.5% VREF the LTC2404/LTC2408 smoothly resolve the offset and overrange problems of preceding sensors or signal conditioning circuits. The LTC2404/LTC2408 communicate through a flexible 4-wire digital interface which is compatible with SPI and MICROWIRE? protocols.Applications Weight Scales Direct Temperature Measurement Gas Analyzers Strain-Gage Transducers Instrumentation Data Acquisition Industrial Process Control 6-Digit DVMs

Demonstration circuit 2753A features the LTM8074EY µModule regulator, a tiny high performance high efficiency step-down regulator with Silent Switcher® architecture. DC2753A has an operating input voltage range of 3.4V to 40V and is able to provide an output current of up to 1.2A. The output voltage can be programmed from 0.78V up to 15V. The LTM8074EY is a complete DC/DC point of load regulator in a thermally enhanced 4mm × 4mm × 1.82mm BGA package requiring only a few input and output capacitors. The radiated EMI performances of the board (with EMI filter) are shown in Figure 6 and Figure 7. The demo board also has a conducted EMI filter installed. To use the conducted EMI filter, the input should be tied to VEMI, not VIN. An inductor L2, which is a 0Ω jumper on the board by default now, can be added in the EMI filter to further reduce the conducted emission. The LTM8074 data sheet must be read in conjunction with this demo manual for working on or modifying DC2753A.

The LTC4124 is a simple high performance wireless Li-Ion charger with low battery disconnect. The pin-selectable charge current (up to 100mA) and charge voltage ensure versatility while minimizing the number of required external components.Wireless charging with the LTC4124 allows devices to be charged while sealed within enclosures and eliminates bulky connectors in space-constrained applications. Elimination of exposed conductive connectors also creates more robust devices while ensuring an effortless end-user experience.The LTC4124 includes an NTC input for safe temperature qualified charging and a battery disconnect feature that prevents damage to a battery due to over-discharging.The 2mm ? 2mm LQFN package and minimal number of external components make the LTC4124 well-suited for low power portable applications where small solution size is mandatory.Applications Medical Wireless Sensors Military Wearables High End Wireless Headsets Streaming Headsets with Bluetooth Connectivity Virtual Reality Headsets High End Remote Control IoT Devices

The AD5753 is a single-channel, voltage and current outputdigital-to-analog converter (DAC) that operates with a powersupply range from a minimum of ?33 V on AVSS to a maximum of+33 V on AVDD1 with a maximum operating voltage of 60 Vbetween the two rails. On-chip dynamic power control (DPC)minimizes package power dissipation. This minimization isachieved by using buck dc-to-dc converters optimized forminimum on-chip power dissipation to regulate the voltage(VDPC+ and VDPC?) that is sent to the VIOUT output driver circuitryfrom the ?5 V to ?27 V supply voltage. The CHART pin enables aHighway Addressable Remote Transducer? (HART) signal to becoupled on the current output. The AD5753 uses a versatile, 4-wire, serial peripheral interface (SPI) that operates at clock rates of up to 50 MHz and is compatible with standard SPI, QSPI?, MICROWIRE?, digital signal processor (DSP), and microcontroller interface standards. The interface features an optional SPI cyclic redundancy check (CRC) and a watchdog timer (WDT). The AD5753 offers improved diagnostic features from earlier versions of similar DACs, such as output current monitoring and an integrated, 12-bit diagnostic analog-to-digital converter (ADC). The inclusion of a line protector on the VIOUT, +VSENSE, and ?VSENSE pins provides additional robustness. Product Highlights Range of advanced diagnostic features, including integrated ADC with two external input pins. DPC, using integrated buck dc-to-dc converters for thermal management, which enables higher channel count in small size module housing. Programmable power control (PPC) mode to enable faster than DPC settling time (15 ?s typical). Highly robust with output protection from miswire events (?38 V). HART compliant.Applications Process control Actuator control Channel isolated analog outputs Programmable logic controller (PLC) and distributed control systems (DCS) applications HART network connectivity

The AD5764R is a quad, 16-bit, serial input, bipolar voltage output DAC that operates from supply voltages of ?11.4 V to ?16.5 V. Nominal full-scale output range is ?10 V. The AD5764R provides integrated output amplifiers, reference buffers, and proprietary power-up/power-down control circuitry. The part also features a digital I/O port, programmed via the serial interface, and an analog temperature sensor. The part incorporates digital offset and gain adjust registers per channel.The AD5764R is a high performance converter that provides guaranteed monotonicity, integral nonlinearity (INL) of ?1 LSB, low noise, and 10 ?s settling time. The AD5764R includes an on-chip 5 V reference with a reference temperature coefficient of 10 ppm/?C maximum. During power-up when the supply voltages are changing, VOUTx is clamped to 0 V via a low impedance path.The AD5764R is based on the iCMOS? technology platform, which is designed for analog systems designers within industrial/instrumentation equipment OEMs who need high performance ICs at higher voltage levels. iCMOS enables the development of analog ICs capable of 30 V and operation at ?15 V supplies, while allowing reductions in power consumption and package size, coupled with increased ac and dc performance.The AD5764R uses a serial interface that operates at clock rates of up to 30 MHz and is compatible with DSP and microcontroller interface standards. Double buffering allows the simultaneous updating of all DACs. The input coding is programmable to either twos complement or offset binary formats. The asynchronous clear function clears all data registers to either bipolar zero or zero scale, depending on the coding used. The AD5764R is ideal for both closed-loop servo control and open-loop control applications. The AD5764R is available in a 32-lead TQFP and offers guaranteed specifications over the ?40?C to +85?C industrial temperature range (see Figure 1 for the functional block diagram).APPLICATIONS Industrial automation Open-/closed-loop servo control Process control Data acquisition systems Automatic test equipment Automotive test and measurement High accuracy instrumentation

The AD5766/AD5767 are 16-channel, 16-bit/12-bit, voltage output denseDAC? digital-to-analog converters (DACs).The DACs generate output voltage ranges from an external 2.5 V reference. Depending on the voltage range selected, the midpoint of the output span can be adjusted, allowing a minimum output voltage as low as ?20 V or a maximum output voltage of up to +14 V. Each of the 16 channels can be monitored with an integrated output voltage multiplexer.The AD5766/AD5767 have integrated output buffers that can sink or source up to 20 mA. In conjunction with these buffers, a low frequency signal can be superimposed onto each DAC output via dedicated dither pins. These dedicated dither pins simplify the system design by reducing the number of external components required for a similar external implementation, like operational amplifiers or resistors. The reduction of external components makes the AD5766/AD5767 suitable for indium phosphide Mach Zehnder modulator (InP MZM) biasing applications.The devices incorporate a power-on reset (POR) circuit that ensures that the DAC outputs are clamped to ground on power up and remain at this level until the output range of the DAC is configured. The outputs of all DACs are updated through register configuration, with the added functionality of user-selectable DAC channels to be simultaneously updated.The AD5766/AD5767 use a versatile 4-wire serial interface that operates at clock rates of up to 50 MHz for write mode and is compatible with serial peripheral interface (SPI), QSPI?, MICROWIRE?, and DSP interface standards. The AD5766/ AD5767 also contain a VLOGIC pin intended for 1.8 V/3.3 V/5 V logic.The AD5766/AD5767 are available in a 4 mm ? 4 mm WLCSP package and a 40-lead LFCSP package. The AD5766/AD5767 operate at a temperature range of ?40?C to +105?C.Applications Mach Zehnder modulator bias control Optical networking Instrumentation Industrial automation Data acquisition systems Analog output modules