The TDK5100 is a single-chip ASK/FSK transmitter IC designed for operation in the 310-318 MHz, 426-434 MHz, and 868-870 MHz frequency bands. Manufactured by Infineon Technologies, it is commonly used in remote control systems, tire pressure monitoring systems (TPMS), and other short-range wireless communication applications.

Applications

• Remote Keyless Entry (RKE) systems
• Tire Pressure Monitoring Systems (TPMS)
• Garage door openers
• Alarm systems
• Wireless sensor networks

Features

• Single-chip ASK/FSK transmitter
• Frequency bands: 310-318 MHz, 426-434 MHz, 868-870 MHz
• High output power
• Low current consumption
• SAW filter-stabilized oscillator
• On-chip PLL

Benefits

• Compact Design: Single-chip integration reduces the number of external components, leading to smaller and more cost-effective systems.
• Long Range: High output power ensures reliable communication over a significant distance.
• Extended Battery Life: Low current consumption maximizes the battery life in portable and battery-powered devices.
• Stable Frequency: SAW filter-stabilized oscillator provides excellent frequency stability, crucial for reliable wireless communication.
• Flexible Modulation: Supports both ASK and FSK modulation schemes, offering flexibility in design.

Technical Specifications

The TDK5100 features a supply voltage range of 2.1 V to 4.0 V. It delivers an output power up to +10 dBm. The typical current consumption is around 12 mA. The modulation types supported are Amplitude Shift Keying (ASK) and Frequency Shift Keying (FSK). It uses a SAW filter stabilized oscillator. It is available in a small TSSOP10 package.