NXP Semiconductors AP13192USLK

Overview

AP13192USLK from Freescale Semiconductor is a 2.4 GHz IEEE 802.15.4-compliant short-range transceiver IC implementing full PHY layer functionality with O-QPSK modulation, -92 dBm RX sensitivity, 0 dBm nominal output power, and QFN-32 package for wireless sensor networks and ZigBee 2006–compliant mesh systems.

For engineers reviewing the AP13192USLK datasheet, AP13192USLK pinout, AP13192USLK application, or AP13192USLK equivalent, this page delivers verified technical context, SPI interface timing constraints, low-power mode current values, GPIO configuration behavior, and real-world use cases in industrial automation and home control-without generic claims or unsupported performance assertions.

Technical Context

The AP13192USLK integrates a complete 802.15.4 PHY modem with differential RF front-end (RFIN±, PAO±), on-chip 16 MHz crystal oscillator with programmable trim capacitors, and four-wire SPI slave interface (CE, SPICLK, MOSI, MISO) with IRQ and RXTXEN control signals. It supports both packet and streaming data transfer modes.

Its digital baseband includes dedicated transmit/receive packet RAM, symbol generation, FCS calculation, correlator-based DSSS despreading, and Clear Channel Assessment (CCA) logic. Power management provides three low-current states: Off (<1 µA), Hibernate (1 µA), and Doze (35 µA), all triggered via SPI register writes.

Key Specifications

Pinout & Package

AP13192USLK is housed in a 5 mm × 5 mm, 0.5 mm pitch QFN-32 package (Case 1311-03) with exposed thermal pad (EP) requiring soldered ground connection. Pin numbering follows top-view layout with pins 1–16 on top row, 17–32 on bottom row, and EP centered beneath.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 2.4 GHz IEEE 802.15.4 transceiver applications.

Compared with AP13192USLK, MC13202 offers superior sensitivity and integrated power management for next-gen sensor nodes, while CC2530F256 trades external MCU flexibility for SoC integration-making AP13192USLK optimal where host processor independence and precise hardware timing control are critical.

Availability

AP13192USLK is available at Aetrix Electronics and suitable for industrial wireless sensor networks, factory automation systems, and home energy management devices requiring stable component supply amid long product lifecycles.

Supply support for AP13192USLK includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Freescale Semiconductor (now part of NXP Semiconductors) designed high-performance mixed-signal ICs for automotive, industrial, and wireless communications markets.

The AP13192USLK belongs to Freescale's 802.15.4 transceiver product line, engineered specifically to deliver certified PHY-layer functionality for ZigBee 2006–compliant mesh networking with minimal host MCU resource usage.

FAQ

What is the recommended crystal specification for AP13192USLK?

The AP13192USLK requires a 16 MHz fundamental-mode crystal with ≤9 pF load capacitance and ±40 ppm initial tolerance. The device includes on-die trim capacitors to compensate for board-level stray capacitance and aging drift, eliminating need for external variable capacitors. Using any other frequency or exceeding 9 pF load violates IEEE 802.15.4 timing accuracy requirements and invalidates AP13192USLK's specified RX sensitivity and frequency error tolerance.

Does AP13192USLK support direct pin-to-pin replacement with MC1320x series devices?

No, AP13192USLK does not support pin-to-pin replacement with MC1320x devices. Although both share QFN-32 packaging, MC1320x introduces revised pin assignments (e.g., relocated VDDA, added DC-DC control pins) and incompatible register maps. Migration requires PCB layout revision, firmware updates, and validation of RF matching networks due to differences in PA output structure and LNA input impedance.

How does AP13192USLK handle power-down sequencing in battery-powered applications?

AP13192USLK implements three hardware-controlled low-power states: Off (<1 µA leakage), Hibernate (1 µA, crystal stopped), and Doze (35 µA, crystal running, CLKO disabled). Entry is controlled exclusively via SPI register writes; exit from Hibernate/Doze requires ATTN assertion. This deterministic sequencing-verified in Table 7 of the MC13192 Technical Data Rev. 3.3-enables predictable battery lifetime modeling without MCU intervention.

Can AP13192USLK operate in streaming mode without external MCU involvement in packet framing?

Yes, AP13192USLK supports streaming mode where the host MCU clocks data word-by-word via SPI without buffering full packets internally. In this mode, the AP13192USLK handles only physical layer tasks: O-QPSK modulation, DSSS spreading, RF upconversion, and automatic preamble/SFD/FLI/FCS insertion. Full packet framing-including MAC header, addressing, and security-must be managed externally by the MCU or protocol stack.

What are the absolute maximum ratings for AP13192USLK's RF input pins?

The AP13192USLK RF input pins (RFIN±) have an absolute maximum rating of +10 dBm continuous RF input power, per Table 1 of the MC13192 Technical Data Rev. 3.3. Exceeding this risks permanent damage to the LNA front-end. Unlike digital pins, RFIN± lack ESD protection circuitry, so external TVS diodes or limiter circuits are mandatory in environments with potential RF surge exposure.