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Microchip Technology FSP-PIC18-Q84-ISO26262
- Part No.:
- FSP-PIC18-Q84-ISO26262
- Manufacturer:
- Microchip Technology
- Category:
- Software, Services
- Package:
- Datasheet:
-
FSP-PIC18-Q84-ISO26262.pdf
- Description:
- ISO26262 FUNC SAFETY STARTER
- Quantity:
- Payment:
- Shipping:
Inventory:1,374
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Product details
Overview
FSP-PIC18-Q84-ISO26262 from Microchip Technology is an automotive-grade 8-bit microcontroller based on the PIC18-Q84 family, featuring CAN FD, 12-bit ADC with computation, dual PWM modules, and ISO 26262 ASIL-B compliance support. It delivers 64 MHz operation, 128 KB Flash, 13 KB SRAM, and operates from 1.8V to 5.5V across -40°C to 125°C for engine control, battery management, and ADAS sensor interface applications.
For engineers reviewing the FSP-PIC18-Q84-ISO26262 datasheet, FSP-PIC18-Q84-ISO26262 pinout, FSP-PIC18-Q84-ISO26262 application, or FSP-PIC18-Q84-ISO26262 equivalent, key selection criteria include ASIL-B functional safety certification, CAN FD timing accuracy, 12-bit ADC context-switching latency, and peripheral pin select (PPS) flexibility for ECU layout optimization.
Technical Context
The FSP-PIC18-Q84-ISO26262 implements a RISC architecture with vectored interrupts, 128-level hardware stack, and fail-safe clock monitor for deterministic real-time response in safety-critical automotive subsystems. Its Core Independent Peripherals-including three Complementary Waveform Generators (CWG), eight Configurable Logic Cells (CLC), and Signal Measurement Timer (SMT)-enable autonomous motor control and signal conditioning without CPU intervention.
It integrates a 32-bit CRC scanner for memory integrity checking, windowed watchdog timer (WWDT) with programmable window size, and memory access partitioning (Application/Boot/SAF blocks) to support secure boot and OTA update workflows required by ISO 26262 Part 6.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | 8-bit PIC18 RISC, 64 MHz max clock, 62.5 ns instruction cycle |
| Memory | 128 KB Flash (partitionable), 13 KB SRAM, 1 KB EEPROM |
| ADC | 12-bit with computation & context switching across 43 channels; operates in Sleep mode |
| CAN Interface | CAN FD module with 1 dedicated TX FIFO, 3 configurable TX/RX FIFOs, 12 acceptance filters |
| Timers & PWM | Three 16-bit timers, four 16-bit PWMs (dual outputs), three CCP modules, three CWGs with dead-band control |
| Safety Features | Windowed WDT, 32-bit CRC memory scanner, fail-safe clock monitor, memory partitioning, ASIL-B development support |
| Operating Range | 1.8V–5.5V supply; -40°C to +125°C extended temperature grade |
Pinout & Package
Available in multiple automotive-qualified packages: 28-pin SPDIP/SOIC/SSOP/VQFN, 40-pin PDIP/VQFN, 44-pin TQFP, 48-pin TQFP/VQFN, and 64-pin TQFP/QFN. All variants feature Peripheral Pin Select (PPS) for flexible I/O mapping and exposed thermal pad (VQFN/TQFP) requiring VSS connection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| MCLR/VPP/RE3 | Master Clear / Programming Voltage | Active-low reset input; enables ICSP programming at VPP = 13.5V |
| RB6/ICSPCLK | In-Circuit Serial Programming Clock | Dedicated two-pin ICSP interface; supports debug with three breakpoints |
| RB7/ICSPDAT | In-Circuit Serial Programming Data | Shared with GPIO; enables firmware update without external programmer |
| RC6/RC7 | UART1 TX/RX | Hardware UART with DMA support; configurable stop bits and automatic checksum |
| RB3 | CANRX | Dedicated CAN FD receive input; internal termination and filtering per ISO 11898-2 |
| RB4 | CANTX | Dedicated CAN FD transmit output; slew-rate controlled for EMC compliance |
Key Features
| Feature | Design Value |
|---|---|
| 12-bit ADC with Computation | Performs averaging, oversampling, and threshold comparison autonomously-reducing CPU load by up to 40% in sensor fusion tasks |
| Peripheral Pin Select (PPS) | Enables full remapping of digital peripherals (UART, SPI, PWM, etc.) to any GPIO-simplifying PCB routing and enabling reuse across ECU variants |
| Complementary Waveform Generator (CWG) | Generates fault-protected half/full-bridge drive signals with programmable dead-band-eliminating external gate drivers in motor control |
| Configurable Logic Cell (CLC) | Eight independent CLCs implement combinational/sequential logic (e.g., PWM synchronization, encoder decoding) without firmware overhead |
| Signal Measurement Timer (SMT) | 24-bit timer supporting time-of-flight, period, and duty-cycle measurement-enabling precise timing capture for crankshaft/camshaft position sensing |
Applications
| Engine Control Unit (ECU) | Battery Management System (BMS) |
|---|---|
Use Scenario: Real-time monitoring of crankshaft position, throttle angle, and oxygen sensor feedback in gasoline/diesel powertrains. IC Role / Device Role / Timing Role: Central controller executing closed-loop fuel injection and ignition timing algorithms with sub-microsecond interrupt latency. Use Value: Integrated SMT and 12-bit ADC with context switching enable deterministic sampling of analog sensor inputs synchronized to engine rotation events. | Use Scenario: Cell voltage balancing, temperature monitoring, and state-of-charge estimation in 12–48V automotive battery packs. IC Role / Device Role / Timing Role: Safety-critical supervisor managing isolation, fault detection, and communication via CAN FD to vehicle gateway. Use Value: Memory partitioning and CRC scanning ensure integrity of BMS firmware and calibration data-meeting ASIL-B requirements for failure detection coverage. |
| Advanced Driver Assistance Systems (ADAS) Sensor Hub | Electric Power Steering (EPS) Controller |
Use Scenario: Aggregating radar, ultrasonic, and camera trigger signals for parking assist and blind-spot detection. IC Role / Device Role / Timing Role: Time-synchronized data acquisition node with low-latency DMA transfers to host MCU over CAN FD. Use Value: Eight DMA controllers enable concurrent ADC sampling, CAN FD transmission, and SPI reads from radar ICs-reducing host processing burden. | Use Scenario: Torque assist calculation, motor phase control, and fault handling in brushless DC steering motors. IC Role / Device Role / Timing Role: Real-time motor controller executing field-oriented control (FOC) using PWM, CWG, and current-sense ADC channels. Use Value: Three CWGs with hardware fault shutdown provide safe commutation sequencing-preventing shoot-through during torque transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC5604B | 32-bit Power Architecture core, no integrated ADC computation engine, requires external safety monitor for ASIL-B | Targeted at higher-complexity powertrain applications with legacy AUTOSAR stack dependency | Select when existing software investment in Power Architecture toolchains outweighs benefits of PIC18's lower power and integrated peripherals |
| TC375TA | TriCore 32-bit core, integrated SafeTcore, larger memory footprint, higher cost and power consumption | Used in high-end ADAS domain controllers requiring multi-core lockstep execution | Select only when ASIL-D capability or dual-core redundancy is mandatory; otherwise FSP-PIC18-Q84-ISO26262 offers better cost/performance for ASIL-B tier-2 ECUs |
Compared with MPC5604B and TC375TA, the FSP-PIC18-Q84-ISO26262 delivers ASIL-B compliance with significantly lower power (<1 µA sleep), smaller footprint, and tighter integration of motor control peripherals-making it optimal for cost-sensitive, thermally constrained automotive body and chassis modules.
Availability
FSP-PIC18-Q84-ISO26262 is available at Aetrix Electronics and suitable for engine control units, battery management systems, and ADAS sensor interfaces requiring stable component supply across automotive production lifecycles.
Supply support for FSP-PIC18-Q84-ISO26262 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
Microchip Technology Inc. is a leading provider of microcontrollers, analog, FPGA, and connectivity solutions, serving automotive, industrial, and consumer markets with a focus on reliability and long-term product availability.
The PIC18-Q84 product line was designed specifically for functional safety–critical automotive applications, integrating hardware features required for ISO 26262 ASIL-B development including memory protection, clock monitoring, and diagnostic coverage mechanisms.
FAQ
What functional safety certifications does the FSP-PIC18-Q84-ISO26262 support?
The FSP-PIC18-Q84-ISO26262 is developed per ISO 26262 Part 6 for ASIL-B compliance, with documented safety mechanisms including windowed watchdog timer, memory partitioning, CRC-based memory scanning, and fail-safe clock monitoring. Microchip provides safety manuals and FMEDA reports for FSP-PIC18-Q84-ISO26262 to support customer safety case development.
Does the FSP-PIC18-Q84-ISO26262 include hardware support for CAN FD physical layer compliance?
Yes, the FSP-PIC18-Q84-ISO26262 integrates a CAN FD controller compliant with ISO 11898-1:2015, supporting bit rates up to 5 Mbps in FD mode and featuring built-in arbitration, error handling, and 12 acceptance filters. External transceiver (e.g., MCP2562FD) is required for physical layer implementation.
How does the 12-bit ADC with computation function in the FSP-PIC18-Q84-ISO26262?
The FSP-PIC18-Q84-ISO26262 ADC performs real-time signal processing-including averaging, oversampling, and threshold comparison-without CPU involvement. It maintains four independent contexts for rapid channel switching, and results are accessible via DMA or firmware, enabling deterministic sensor sampling in Sleep mode.
Can the FSP-PIC18-Q84-ISO26262 replace legacy PIC18FxxK80 devices in automotive designs?
Yes, the FSP-PIC18-Q84-ISO26262 offers pin-compatible migration paths from selected PIC18FxxK80 variants (e.g., PIC18F46K80), with enhanced features including CAN FD, higher Flash/SRAM, and integrated safety mechanisms. Migration requires validation of PPS mappings and updated safety diagnostics but retains core instruction set compatibility.
What package options are available for the FSP-PIC18-Q84-ISO26262?
The FSP-PIC18-Q84-ISO26262 is offered in automotive-qualified packages: 28-pin SPDIP/SOIC/SSOP/VQFN, 40-pin PDIP/VQFN, 44-pin TQFP, 48-pin TQFP/VQFN, and 64-pin TQFP/QFN. All packages meet AEC-Q100 Grade 1 qualification and include exposed thermal pads requiring VSS connection per Microchip layout guidelines.
FSP-PIC18-Q84-ISO26262 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- FuSa
- Packaging:
- Electronic Delivery
- Product Status:
- Active
- Type:
- License
- Applications:
- Safety, Automotive
- Edition:
- Starter
- License Length:
- -
- License - User Details:
- -
- Operating System:
- -
- For Use With/Related Products:
- PIC18-Q83/Q84
- Media Delivery Type:
- Electronically Delivered
FSP-PIC18-Q84-ISO26262 FAQ
1.How can I place an order for FSP-PIC18-Q84-ISO26262 through Aetrix?
Please submit a Request for Quotation (RFQ) for FSP-PIC18-Q84-ISO26262 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for FSP-PIC18-Q84-ISO26262 reliable?
The price and inventory of FSP-PIC18-Q84-ISO26262 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FSP-PIC18-Q84-ISO26262 is usually 5 days.
3.What payment methods are accepted for FSP-PIC18-Q84-ISO26262?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FSP-PIC18-Q84-ISO26262 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FSP-PIC18-Q84-ISO26262?
FSP-PIC18-Q84-ISO26262 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FSP-PIC18-Q84-ISO26262 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for FSP-PIC18-Q84-ISO26262?
For technical support, including FSP-PIC18-Q84-ISO26262 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FSP-PIC18-Q84-ISO26262 requirements.
6.How does Aetrix verify that FSP-PIC18-Q84-ISO26262 is sourced from the original manufacturer or authorized distributors?
All FSP-PIC18-Q84-ISO26262 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that FSP-PIC18-Q84-ISO26262 meets industry standards.
7.What is the process for return or replacement of FSP-PIC18-Q84-ISO26262?
All FSP-PIC18-Q84-ISO26262 units undergo pre-shipment inspection (PSI). If there is an issue with FSP-PIC18-Q84-ISO26262, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The FSP-PIC18-Q84-ISO26262 part is unused and in its original packaging.
Return procedure for FSP-PIC18-Q84-ISO26262:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
FSP-PIC18-Q84-ISO26262 Tags
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