Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

Mingjiada Electronics specialises in supplying NJJ29C0BHN, a Low Frequency (LF) driver and receiver IC optimised for Passive Keyless Entry (PKE, Passive Keyless Entry) systems.The chip is widely used in automotive electronics, smart access control, RFID identification and other applications, providing high sensitivity, low power consumption and high integration solutions.

The NJJ29C0BHN adopts advanced low-frequency signal processing technology and supports 125kHz~134kHz frequency band, which is suitable for automotive keyless entry, asset tracking, industrial automation and other scenarios.

Product Features

Integrated LF driver and receiver

Integrated LF driver and LF receiver simplifies PKE system design.

Supports 125kHz~134kHz low frequency communication, compatible with automotive PKE standard.

High sensitivity reception performance

Built-in low noise amplifier (LNA) to improve signal detection capability

Supports Automatic Gain Control (AGC) to adapt to different field strength environments.

Low power consumption design

Standby mode current as low as 1μA to extend battery life

Suitable for automotive key fobs, smart cards and other low-power applications

Highly integrated to reduce peripheral components

Built-in oscillator and voltage regulator to reduce BOM cost

Supports SPI/I²C interface for MCU communication

High reliability

Comply with AEC-Q100 automotive grade certification, adapt to harsh environments

Operating temperature range: -40°C ~ +105°C

Typical Applications

Automotive keyless entry systems (PKE)

Smart Access Card/Electronic Lock

RFID low frequency tag reader

Industrial automation equipment identification

Asset tracking and management

Supply Information

Mingjiada Electronics is a long term supplier of NJJ29C0BHN, offering:

✅ Genuine and original, support channel inspection.

✅ Spot/futures, flexible supply

✅ Technical support, provide reference design and datasheet.

For sample or bulk purchase, please contact Mingjiada Electronics!