Overview
The TDA5051AT/CI512 is a modem IC designed by NXP USA Inc., specifically for ASK (Amplitude Shift Keying) transmission over the home power supply network. This device operates at data rates of 600 baud or 1200 baud, making it suitable for various home automation and control applications. It is powered by a single 5 V supply, ensuring simplicity and efficiency in system design.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VDD supply voltage | 4.5 | 5 | 5.5 | V | |
| fosc oscillator frequency | 12 | MHz | |||
| Tstg storage temperature | -50 | 150 | °C | ||
| Tamb ambient temperature | -50 | 100 | °C | ||
| Tj junction temperature | 125 | °C | |||
| IDD(tot) total supply current (Reception mode) | fosc = 8.48 MHz | 28 | 38 | mA | |
| IDD(tot) total supply current (Transmission mode) | fosc = 8.48 MHz; DATA_IN = 0; ZL = 30 Ω | 47 | 68 | mA | |
| IDD(PD)(tot) total supply current (Power-down mode) | PD = HIGH | 19 | 25 | mA | |
| IDD(PAMP) power amplifier supply current | ZL = 30 Ω; DATA_IN = LOW in Transmission mode | 19 | 30 | mA | |
| IDD(PAMP)(max) maximum power amplifier supply current | ZL = 1 Ω; DATA_IN = LOW in Transmission mode | 76 | mA |
Key Features
- ASK Transmission: Supports ASK transmission over the home power supply network at 600 baud or 1200 baud data rates.
- Single Supply Voltage: Operates from a single 5 V supply, simplifying system design.
- Zero Cross Detection and Redundancy Protocol: Includes features for reliable data transmission and error correction.
- Power Output Stage: Provides a 120 dBμV (RMS) signal on a typical 30 Ω load, with a maximum signal level of 122 dBμV (RMS) at the output.
- Power-Down Mode: Can be disabled via a power-down input to reduce power consumption.
- LC Network Interface: Direct connection to the mains is done through an LC network for low-cost applications, with the option to use an HF signal transformer for power-line insulation.
Applications
- Home Appliance Control: Suitable for controlling home appliances such as lighting, heating, and security systems.
- Lighting Control: Ideal for smart lighting systems that require reliable and efficient communication over the power line.
- Home Automation: Used in various home automation applications where data needs to be transmitted over the existing power infrastructure.
Q & A
- What is the primary function of the TDA5051AT/CI512?
The TDA5051AT/CI512 is a modem IC designed for ASK transmission over the home power supply network.
- What are the supported data rates for the TDA5051AT/CI512?
The device supports data rates of 600 baud or 1200 baud.
- What is the operating supply voltage for the TDA5051AT/CI512?
The device operates from a single 5 V supply.
- What is the purpose of the power-down mode in the TDA5051AT/CI512?
The power-down mode reduces power consumption by disabling the device via a power-down input.
- How does the TDA5051AT/CI512 interface with the power network?
The device interfaces with the power network through an LC network or optionally an HF signal transformer for power-line insulation.
- What is the maximum signal level output by the TDA5051AT/CI512?
The device provides a maximum signal level of 122 dBμV (RMS) at the output.
- What are some typical applications for the TDA5051AT/CI512?
Typical applications include home appliance control, lighting control, and general home automation.
- How does the TDA5051AT/CI512 ensure reliable data transmission?
The device includes zero cross detection and redundancy protocol to ensure reliable data transmission and error correction.
- What is the significance of the oscillator frequency in the TDA5051AT/CI512?
The oscillator frequency ensures the accuracy of the transmission carrier and the exact trimming of the digital filter, making the performance independent of application disturbances.
- How does the TDA5051AT/CI512 manage power consumption during inactive periods?
The device can be put into a power-down mode to reduce power consumption during inactive periods.
