Remote Keyless Entry

for
Wonderful
Cruising

Comfortable Cabin

Remote Keyless Entry (Receiver)

Remote Keyless Entry (RKE)

Tire Pressure Monitoring System (TPMS)

RF Receiver IC for RKE, Smart Entry and TPMS

RF Receiver IC for Remote Keyless Entry (RKE), Smart Entry and TPMS

Total system power consumption is reduced

Challenge

Challenge

Power consumption increases in relation to vehicle computerizing
Insight

Insight

Reduce MPU load by optimizing function and characteristics for each application
Result

Result

Reduce total system power consumption while supporting complicated systems

Features

Realize long distance communication by high receiver sensitivity *, and robust interfere tolerance

* -118dBm (typ.) @Data Rate=2.8kbps,

Receiver Sensitivity= ±120kHz

Correspond to many applications and low power consumption is achieved with various functions

Sequence control by built-in EEPROM,

Self-polling mode and 2-channel and 2 data rates receiving function

Suitable for separated RF tuner system by enabling pin control

Block (RF Receiver LSI: AK3702)

Remote Keyless Entry (Transmitter)

Remote Keyless Entry (RKE)

Smart Entry Transmitter System

RF IC for RKE and Wireless Transmitter

An RF Transmit LSI realizes microcomputer-less system for RKE

Compose RKE System with one-chip

Challenge

Challenge

Realizing small PCB area and long life battery
Insight

Insight

MPU less solution with integrated EEPROM by transmitting data
Result

Result

Achieve low cost & low power consumption by realizing RKE and wireless transmitter with one-chip

Features

Realize RKE system and wireless transmitter

with one-chip

Enable long distance communication by excellent output efficiency (+8dBm@11mA typ.)

AES-128 encryption, manchester / bi-phase coding and ASK / FSK modulation are available

Block (RF transmitter IC: AK3713)