The MAX22515 low-power industrial transceiver can operate as either an IO-Link device or an IO-Link master transceiver in industrial applications. The MAX22515 features a selectable control interface (pin mode or I2C), two integrated linear regulators, and integrated surge protection for robust communication. The transceiver includes one C/Q input-output channel and one digital input (DI) channel.The device features a flexible control interface. Pin-control logic inputs allow for operation with switching sensors that do not use a microcontroller. For sensors that use a microcontroller, an I2C interface is available providing extensive configuration and diagnostics. Additionally, an integrated oscillator simplifies the clock generation for IO-Link devices.The MAX22515 features extensive integrated protection to ensure robust communication in harsh industrial environments. All IO-Link line interface pins (V24, C/Q, DI, and GND) are reverse voltage protected, short-circuit protected, hot-plug protected, and feature integrated ±1.2kV/500Ω surge protection.The MAX22515 is available in a tiny WLP package (2.5mm x 2.0mm) or a 24-pin TQFN-EP package (4mm x 4mm) and operates over the -40°C to +125°C temperature range.ApplicationsIO-Link Sensor and Actuator DevicesIndustrial SensorsIO-Link Masters

The DS2478 is a DeepCover® secure ECDSA and HMAC SHA-256 coprocessor companion to the DS28E40 or DS28C40. The coprocessor can compute any required HMACs or ECDSA signatures to do any operation on the DS28E40 or DS28C40. The DS2478 provides a core set of cryptographic tools derived from integrated asymmetric (ECC P-256) and symmetric (SHA-256) security functions. In addition to the security services provided by the hardware implemented crypto engines, the device integrates a FIPS/NIST true random number generator (TRNG), 6Kb of secured one-time-programmable (OTP) memory, one configurable GPIO, and a unique 64-bit ROM identification number (ROM ID).The ECC public/private key capabilities operate from the NIST-defined P-256 curve and include FIPS 186-compliant ECDSA signature generation and verification to support a bidirectional asymmetric key authentication model. The SHA-256 secret-key capabilities are compliant with FIPS 180 and are flexibly used in conjunction with ECDSA operations or independently for multiple HMAC functions.The GPIO pin can be operated under command control and include configurability supporting authenticated and nonauthenticated operation including an ECDSA-based crypto-robust mode to support secure-boot of a host processor. This secure-boot method can also be used to enable the coprocessor functions.DeepCover embedded security solutions cloak sensitive data under multiple layers of advanced security to provide the most secure key storage possible. To protect against device-level security attacks, invasive and noninvasive countermeasures are implemented, including an active die shield, encrypted storage of keys, and algorithmic methods.ApplicationsAutomotive Secure AuthenticationIdentification and Calibration Automotive of Parts/Tools/AccessoriesIoT Node Crypto-ProtectionSecure Authentication of Accessories and PeripheralsSecure Boot or Download of Firmware and/or System ParametersSecure Storage of Cryptographic Keys for a Host Controller

The DS28C39 is an ECDSA public-key-based bidirectional secure authenticator that incorporates Maxim’s patented ChipDNA™ feature, a physically unclonable function (PUF) to provide a cost-effective solution with the ultimate protection against security attacks. Using the random variation of semiconductor device characteristics that naturally occur during wafer fabrication, the ChipDNA circuit generates a unique output value that is repeatable over time, temperature, and operating voltage. Attempts to probe or observe ChipDNA operation modifies the underlying circuit characteristics, preventing discovery of the unique value used by the chip cryptographic functions. The DS28C39 utilizes the ChipDNA output as key content to cryptographically secure all device stored data and as the private key for the ECDSA signing operation. With ChipDNA capability, the device provides a core set of cryptographic tools derived from integrated blocks including an asymmetric (ECC-P256) hardware engine, a FIPS/NIST-compliant true random number generator (TRNG), 2Kb of secured EEPROM, a decrement-only counter and a unique 64-bit ROM identification number (ROM ID). The ECC public/ private key capabilities operate from the NIST-defined P-256 curve to provide a FIPS 186-compliant ECDSA signature generation function. The unique ROM ID is used as a fundamental input parameter for cryptographic operations and serves as an electronic serial number within the application. Lastly, the DS28C39 supports I2C communication at the 100kHz standard mode.ApplicationsAuthentication of Medical Sensors and ToolsSecure Management of Limited Use ConsumablesIoT Node AuthenticationPeripheral AuthenticationReference Design License ManagementPrinter Cartridge Identification and Authentication

The DS28C50 secure authenticator combines FIPS202-compliant secure hash algorithm (SHA-3) challenge and response authentication with Maxim’s patented ChipDNA™ technology, a physically unclonable function (PUF) to provide a cost-effective solution with the ultimate protection against security attacks. The ChipDNA implementation utilizes the random variation of semiconductor device characteristics that naturally occur during wafer fabrication. The ChipDNA circuit generates a unique output value that is repeatable over time, temperature, and operating voltage. Attempts to probe or observe ChipDNA operation modifies the underlying circuit characteristics, thus preventing discovery of the unique value used by the chip cryptographic functions. The DS28C50 utilizes the ChipDNA output as key content to cryptographically secure all device-stored data. With ChipDNA capability, the device provides a core set of cryptographic tools derived from integrated blocks including a SHA-3 engine, a FIPS/NIST compliant true random number generator (TRNG), 2Kb of secured EEPROM, a decrement-only counter and a unique 64-bit ROM identification number (ROM ID). The unique ROM ID is used as a fundamental input parameter for cryptographic operations and serves as an electronic serial number within the application. The DS28C50 communicates over a I2C network.Download DS28C50 Jupyter Notebook ›ApplicationsAccessory and Peripheral Secure AuthenticationAuthentication of Medical Sensors and ToolsIoT Node Crypto-ProtectionPrinter Cartridge Identification and AuthenticationSecure Management of Limited Use Consumables

The DS28E40 is a secure authenticator that provides a core set of cryptographic tools derived from integrated asymmetric (ECC-P256) and symmetric (SHA-256) secu­rity functions. In addition to the security services provided by the hardware-implemented cryptographic engines, the device integrates a FIPS/NIST True Random Number Genera­tor (TRNG), 6Kb of One-Time Programmable (OTP) memory for user data, keys and certificates, one configurable General-Purpose Input/Output (GPIO), and a unique 64-bit ROM identification number (ROM ID).The ECC public/private key capabilities operate from the NIST-defined P-256 curve and include FIPS 186 compliant ECDSA signature generation and verification to support a bidirectional asymmetric key authentication model. The SHA-256 secret-key capabilities are compliant with FIPS 180 and are usable flexibly either in conjunc­tion with ECDSA operations or independently for multiple Hash-Based Message Authentication Code (HMAC) functions.The GPIO pin is operated under command control and is configurable enabling support of authenticated and non-authenticated operation. The GPIO-authenticated operation supports ECDSA-based crypto-robust mode, enabling secure-boot of a host processor.DeepCover embedded security solutions cloak sensitive data under multiple layers of advanced security to provide the most secure key storage possible. To protect against device-level security attacks, including invasive and noninvasive methods, countermeasures include active die shield, encrypted storage of keys, and algorithmic methods.ApplicationsAccessory and Peripheral Secure AuthenticationAutomotive Secure AuthenticationIdentification and Calibration Automotive Parts/Tools/AccessoriesIoT Node Crypto-ProtectionSecure Boot or Download of Firmware and/or System ParametersSecure Storage of Cryptographic Keys for a Host Controller

The DS28E40 is a secure authenticator that provides a core set of cryptographic tools derived from integrated asymmetric (ECC-P256) and symmetric (SHA-256) secu­rity functions. In addition to the security services provided by the hardware-implemented cryptographic engines, the device integrates a FIPS/NIST True Random Number Genera­tor (TRNG), 6Kb of One-Time Programmable (OTP) memory for user data, keys and certificates, one configurable General-Purpose Input/Output (GPIO), and a unique 64-bit ROM identification number (ROM ID).The ECC public/private key capabilities operate from the NIST-defined P-256 curve and include FIPS 186 compliant ECDSA signature generation and verification to support a bidirectional asymmetric key authentication model. The SHA-256 secret-key capabilities are compliant with FIPS 180 and are usable flexibly either in conjunc­tion with ECDSA operations or independently for multiple Hash-Based Message Authentication Code (HMAC) functions.The GPIO pin is operated under command control and is configurable enabling support of authenticated and non-authenticated operation. The GPIO-authenticated operation supports ECDSA-based crypto-robust mode, enabling secure-boot of a host processor.DeepCover embedded security solutions cloak sensitive data under multiple layers of advanced security to provide the most secure key storage possible. To protect against device-level security attacks, including invasive and noninvasive methods, countermeasures include active die shield, encrypted storage of keys, and algorithmic methods.ApplicationsAccessory and Peripheral Secure AuthenticationAutomotive Secure AuthenticationIdentification and Calibration Automotive Parts/Tools/AccessoriesIoT Node Crypto-ProtectionSecure Boot or Download of Firmware and/or System ParametersSecure Storage of Cryptographic Keys for a Host Controller

The LTC9101-2 chipset is a 12/24-port power sourcing equipment (PSE) controller designed for use in IEEE 802.3bt Type 3 and 4 compliant Power over Ethernet (PoE) systems. The LTC9101-2/LTC9102 is designed to power compliant 802.3af, 802.3at, and 802.3bt PDs. The LTC9101-2/LTC9102 chipset delivers lowest-in-industry heat dissipation by utilizing low RDS(ON) external MOSFETs and 0.1Ω sense resistance per power channel. A transformer-isolated communication protocol replaces expensive opto-couplers and complex isolated 3.3V supply, resulting in significant BOM cost savings.Advanced power management features include per-port 14‑bit current/voltage monitoring, programmable power limits, and versatile fast shut down of preselected ports. An advanced power management host software layer is available. PD detection uses a proprietary multipoint detection mechanism ensuring excellent immunity from false PD identification. Autoclass and 5-event physical classification are supported. The LTC9101-2/LTC9102 includes an I2C serial interface operable up to 1MHz. The LTC9101-2/LTC9102 is pin or I2C programmable to negotiate PD delivered power up to 71.3W.APPLICATIONS PoE PSE Switches/Routers and Midspans

The LTC9101-3/LTC9103 chipset is a 8/16-port power sourcing equipment (PSE) controller and power manager designed for use in IEEE 802.3at compliant Power over Ethernet (PoE) systems. The LTC9101-3 manages a user-defined system-level power budget across all ports. Port power is automatically assigned based on system power availability, initial physical classification and after power up, port dynamic power consumption.The LTC9101-3 prioritizes port power by port number (port 1 is highest priority) and automatically removes power from lower priority ports to accommodate higher priority ports.The LTC9101-3 features an interface to control an external serial LED driver. LED indications include Port On, Port Off, Port Power Denied, and Port Fault states. A Supply Overload LED indicates system power usage is near power limit or a port is being denied power.The LTC9101-3 operates without a host present. Configuration is accomplished by pin settings and I2C-based flash programming.The LTC9101-3 autonomously performs compliant 802.3at detection, classification power up, power on, and fault management.APPLICATIONS Small Business PoE PSE Switches/Routers

The MAX14813 is a very high density, high-voltageultrasound transmitter (pulser) in a wafer-level package(WLP). It is particularly aimed to address ultrasoundimaging applications in which PCB space is a concern.It features eight 3-level channels operating from twoindependent pairs of HV supplies. Each channelcan transmit up to 170VP-P with up to 2.1A currentcapability. The current capability can be programmed downto 0.35A with 4 steps of programmability. It also featuresan integrated 1A active clamp (Return to Zero).The MAX14813 can also be configured as a quad 5-levels(2.1A) pulser plus quad active T/R switches.The MAX14813 features embedded digital resources(SRAM and state machine) that can be used to supporttransmit beamforming resulting in a dramatic saving ofthe number of interconnects and FPGA I/Os. The embeddeddigital resources are programmed through an highspeed serial interface and supports sophisticated transmittechniques likewise pulse width modulation for burstshapingand apodization for beam shaping.Alternatively, the device can be controlled in a conventionalmanner by an external digital source (FPGA or similar)through dedicated CMOS logic inputs.The MAX14813 features independent active T/R switches.The T/R switches can possibly be externally configured tosupport Receive Multiplexing in which a fewer number ofreceive than transmit channels are used.The MAX14813 is packaged into a 6.33mm x 6.65mmWLP, with a 12 x 13 ball grid array.ApplicationsUltrasound Medical ImagingUltrasound Industrial Applications (NDT)

The MAX16948 is a dual high-voltage, current-sensing low dropout linear regulator (LDO)/switch designed to operate with an input voltage range from 4.5V to 28V (45V load dump tolerant). The device provides phantom power over coax cable to remote radio frequency low-noise amplifiers (LNAs) in automotive systems with a maximum current of 300mA per channel. The device also provides a fixed regulated output voltage of 8.5V or an adjustable 1V to 12.5V output voltage. The device can also be configured as a switch.The device monitors the load current and provides an analog output current proportional to the sensed load current. Accurate internal current limits protect the input supply against both overcurrent and short-circuit conditions. The device features an open-drain error output for each channel to indicate to the microcontroller (µC) when a fault has occurred.The device features short-to-battery protection to latch off the internal LDO/switch during a short-to-battery event. During a thermal overload, the device reduces power dissipation by going into thermal shutdown. It includes two independent active-low, high-voltage-compatible shutdown inputs to place each channel in a low-power shutdown mode.The device is available in a 16-pin TQFN package with exposed pad, a 16-pin QSOP package with exposed pad, or a 16-pin QSOP package and is fully specified over the -40°C to +105°C temperature range.ApplicationsAutomotive Camera and Sensor PowerRemote LNA Phantom Power