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NJJ29C0BHN/0F62
NJJ29C0BHN/0F62
| Part Number | NJJ29C0BHN/0F62 |
|---|---|
| Manufacturer | NXP Semiconductors |
| Category | Integrated Circuits (ICs) > Interface – Drivers, Receivers, Transceivers / Automotive LF Transceiver |
| Description | Automotive Low Frequency (LF) Transceiver / Antenna Driver IC, Integrated Base Station Interface, QFN‑56 (HVQFN‑56) Package. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
The NJJ29C0BHN/0F62 is an automotive‑grade LF transceiver IC from NXP. Designed for PEPS, smart key and immobilizer systems, it integrates 6‑channel Class‑D LF antenna drivers, on‑chip DC‑DC buck converter, immobilizer reader and embedded MCU. Operating at 125 kHz, it delivers reliable LF transmission for vehicle access control. Packaged in HVQFN‑56, it meets AEC‑Q100 Grade2 automotive requirements.
Core Advantages
High‑Efficiency Multi‑Channel LF Driving
6‑channel Class‑D 125 kHz LF antenna drivers with programmable peak‑current control for multi‑antenna automotive access systems.
Integrated Diagnostics & Protection
Built‑in open‑load/short‑circuit detection, thermal shutdown and overcurrent protection for robust fault tolerance.
Optimized Power Management
On‑chip DC‑DC buck converter, low‑power sleep modes and ultra‑low standby current to reduce vehicle battery drain.
AEC‑Q100 Automotive Grade Reliability
AEC‑Q100 Grade2 qualified, stable performance under harsh EMI and wide temperature conditions.
Key Specifications
| Brand | NXP Semiconductors |
|---|---|
| RoHS Status | RoHS Compliant / Lead‑Free |
| EDA / CAD | PCB Footprint & 3D Model Available upon Request |
| Warranty | 1‑Year Standard Quality Warranty |
| Package / Case | QFN‑56 (8.8 mm × 4.4 mm) |
| Mounting Type | Surface Mount Device (SMD/SMT) |
| Surface Marking / Silkscreen | J29C0B0F62 Marking |
| Function Type | LF Antenna Driver / Base Station Transceiver with integrated Immobilizer Reader & MCU |
| Operating Frequency | 125 kHz (Standard Automotive LF Frequency) |
| Operating Supply Voltage | 2.5 V ~ 7.5 V (chip core); Automotive 12V battery input with on‑chip DC‑DC buck converter |
| Operating Temperature | -40°C to +105°C (Automotive Grade AEC‑Q100 Grade 2) |
| Communication Interface | SPI Serial Bus Interface for Microcontroller Communication |
| Qualification | AEC‑Q100 Qualified |
| Packing | Tape & Reel (Reel), 1000 pcs per reel |
Typical Applications
- Automotive Passive Entry / Passive Start (PEPS) Systems
- Smart Keyless Go and Remote Keyless Entry (RKE) Base Stations
- Immobilizer and Vehicle Body Control Modules (BCM)
- Hands‑Free Trunk Opening and Exterior Door Handle LF Antennas
- Welcome lighting & Walk‑away locking automotive access functions
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1‑2 business days |
| Delivery Time | 3‑7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: What is the primary function of the NJJ29C0BHN/0F62?
A: It is an LF transceiver, integrated LF antenna driver, immobilizer reader and embedded MCU, for automotive smart key, immobilizer and Passive Entry/Passive Start (PEPS) systems.
Q2: What package type does the NJJ29C0BHN/0F62 use?
A: It adopts 56‑pin QFN‑56 (HVQFN‑56) surface‑mount package, dimension 8.8 mm × 4.4 mm.
Q3: Is the NJJ29C0BHN/0F62 automotive qualified?
A: Yes, it is fully qualified to AEC‑Q100 Grade 2 for harsh automotive operating environments.
Q4: What is the difference between NJJ29C0BHN, NJJ29C0BHN/0F62 and NJJ29C0BHN/0F62Y?
A: NJJ29C0BHN is the die marking. /0F62 and /0F62Y are only packaging suffixes. Silicon die, electrical specs and package are identical, pin‑to‑pin interchangeable. Always use the full ordering part number for purchasing.
Q5: Are there pin‑compatible alternative or replacement models for NJJ29C0BHN/0F62?
A: Only NJJ29C0BHN/0F62Y is pin‑to‑pin interchangeable, differing only in packaging suffix. There is no direct pin‑compatible replacement IC from NXP. For new PEPS designs, other LF transceiver families can be considered, but full PCB and firmware modification are required.
Q6: Why is the chip surface marking only NJJ29C0BHN without /0F62 suffix?
A: The /0F62 is a packaging‑related ordering suffix, not printed on the silicon die. Only NJJ29C0BHN appears on chip silkscreen; suffix information is only on reel and outer labels.
Q7: What is the difference between HVQFN‑56 and ordinary QFN‑56?
A: HVQFN‑56 is high‑thermal‑enhanced QFN‑56 with larger thermal pad for automotive high‑temperature scenarios. It shares the same PCB footprint as standard QFN‑56.
Q8: Can I order NJJ29C0BHN without the /0F62 suffix?
A: No. /0F62 is mandatory for the official order part number. The bare die marking is NJJ29C0BHN, but you must place orders with the complete suffix for correct reel packaging.
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