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News
AKM releases an Automobile Keyless Entry RF Transmitter IC, the AK3713
2017-09-29 | ReturnAK3713
Product category: AFEs & RF ICs for Automotive > Short Range RF IC
Title
RF transmitter IC for remote keyless entry, 315MHz / 433MHz
Applications
Remote Keyless Entry, Wireless Transmitter
Description
Small size with long battery life are important features for automobile keyless entry systems. Asahi Kasei Microdevices Corporation, (AKM), has released the AK3713 for remote keyless entry. A microcontroller-less system can be designed with the AK3713 since it incorporates peripheral circuits including an EEPROM. This also accomplishes low power consumption, small PCB area and a reduction of the BOM size. In addition, general remote-control systems can be designed by combining the AK3701 and a receiver IC.
Features
● Integrated EEPROM eliminates the need for microcontroller
The user can design a system without an external microcontroller by programming the integrated EEPROM. Various messages can be transmitted using different combinations of the four switches.
● Low Current Consumption
The AK3713 contributes to longer battery life for battery-driven applications due to low stand-by current of 15nA (typ.) and low operating current of 11mA (typ.).
● Wide Output Power Range
Optimal output power range can be selected from -4dBm to +8dBm, (0.5dB steps), in accordance with the actual use case. For example, current consumption is reduced when output power decreases and longer communication distance is achieved when output power increases.
● High Security with the AES-128 and Rolling Counter Process
High message transmission security is achieved via AES-128 encryption. The receiver can identify the corresponding AK3713 via rolling counter values programmed in the EEPROM.
● Adaptable to a Variety of Wireless Systems
The AK3713 meets various system needs since Manchester / Bi-phase encoding and FSK / ASK modulation are available.
Lineup
Product Name |
AK3713 |
AK3701 |
Output Power (dBm) |
+8 (Max. power) |
- |
Receiver Sensitivity (dBm) |
- |
-117 (ASK) / -118 (FSK, |
Input / Output Frequency Range (MHz) |
312.05 to 315.15 and 433.09 to 434.59 |
312 to 316 and 433 to 435 |
Mod./ Demodulation |
ASK / FSK |
ASK / FSK |
Power Supply (V) |
2.0 to 3.6 |
4.5 to 5.5 |
Current Consumption (mA) |
11 (Output power : +8dBm) |
9 |
Operation Temperature (°C) |
-40 to 85 |
-40 to 110 |
Package |
20-pin QFN |
28-pin TSSOP |
Automotive Qualified |
Yes |
Yes |
[Notes]
* Information on this page is current on the date of press release.
* AKM is trademark of Asahi Kasei Microdevices Corporation in Japan, Europe and the United States.
* Appellations, company names and product names on this page are trademarks or registered trademarks of respective companies.
Source:http://www.akm.com/