DS28E17Q+

DS28E17Q+ is a 1-wire peripheral to I2C controller bridge device that interfaces directly to I2C peripherals. Data transfers serially by means of the 1-Wire® protocol, which requires only a single data lead and a ground return. It is guaranteed to have a unique 64-bit ROM registration number that serves as a node address in the 1-wire network. Multiple DS28E17 devices can coexist with other devices in the 1-wire network and be accessed individually without affecting other devices. The DS28E17 allows using complex I2C devices such as display controllers, ADCs, DACs, I2C sensors, etc. in a 1-wire environment. Each self-timed DS28E17 provides 1-wire access for a single I2C interface. Applications include accessory identification and control, I2C sensors, display controllers, ADCs/DACs.

• Converts 1-wire communication protocol to I2C controller I/O
• Operates I2C peripherals over the single-contact, 1-wire interface
• Extend I2C communication distance with 1-wire protocol
• 100 meters (typ) in standard speed for a properly configured network
• Flexible 1-wire peripheral and I2C controller operational modes
• Factory-programmed, unique 64-bit 1-wire ROM ID provides unalterable serial number to end equipment
• I2C clock stretching automatically supported
• Separate pins for sleep and wakeup flexibility, remote power controlled by an awake pin
• 16 TQFN-EP package
• Temperature range from -40°C to +85°C

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Notas

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