PIC16F1829LIN-I/SS - 8-Bit Flash MCU + LIN Transceiver, SSOP-20 | Microchip
MPN: PIC16F1829LIN-I/SS β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.05 | $30.50 |
| 100 | $2.61 | $261.00 |
| 500 | $2.27 | $1,135.00 |
| 1,000 | $1.93 | $1,930.00 |
PIC16F1829LIN-I/SS Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals. Within the broader product hierarchy, the PIC16F1829LIN sits as: 8-bit PIC microcontroller -> flash MCU -> microcontroller -> semiconductor -> integrated circuit. The 16F family is part of Microchip's enhanced mid-range core architecture, designed for low-power, deterministic embedded control with rich peripheral integration.
Key features include 14 KB (8K x 14) of Flash program memory, 1 KB of RAM, 256 bytes of EEPROM, an internal 32 MHz oscillator, and a LIN transceiver compatible with LIN 1.3, 2.0, 2.1, and SAE J2602 specifications. The integrated +5V LDO voltage regulator supplies the MCU core from the LIN bus pin, eliminating the need for an external regulator. Additional features include 12 ADC channels, mTouch capacitive-touch support, and ultra-low-power XLP MPL (eXtreme Low Power) technology with typical sleep currents below 50 nA.
The integrated architecture combines a Harvard-bus PIC16 core running up to 32 MHz with a separate LIN physical-layer transceiver die. Internal DMA, data signal modulator, complementary waveform generator, and configurable logic cells allow complex timing and signal conditioning without external components. This integration reduces BOM count and PCB area for LIN-based automotive body-control modules.
Typical applications include LIN slave nodes in automotive body electronics (door modules, seat controllers, mirror adjusters, climate-control panels), industrial sensor nodes using LIN for cost-effective networking, and appliance control subsystems where a single-chip LIN endpoint reduces module cost and assembly complexity.
When designing with this device, observe the LIN bus voltage range of 6V to 18V (27V transient tolerant). Decouple VDD with at least 100 nF plus 1 uF ceramic, and place the LBUS pull-up termination per LIN specification. Verify in-system programming timing against LIN bus activity to avoid bus contention during firmware updates.
This page synthesizes verified distributor pricing, drop-in package alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC16F1829LIN-I/SS β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16F1829LIN-I/SS (same form factor and footprint) β differing in Package, Program Memory (Flash), ADC, Core Architecture, I/O Pins.
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PIC16F1829LIN-E/SS
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F1829-I/SS
β Drop-Inβ In Stock
$1.28 / Unit
View Datasheet βPIC16F1828-I/SS
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F1827-I/SS
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F1826-I/SS
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$1.18 / Unit
View Datasheet βPIC16F1829LIN-I/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 enhanced mid-range 8-bit |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Internal Oscillator | 32 MHz (factory calibrated) |
| Supply Voltage (VDD) | 1.8 V to 5.5 V |
| LIN Bus Voltage | 6 V to 18 V (27 V transient tolerant) |
| Integrated LIN Transceiver | MCP2021A-equivalent (LIN 1.3/2.0/2.1, SAE J2602) |
| ADC | 12-channel, 10-bit |
| Digital I/O Pins | 17 |
| PWM Channels | 4 (10-bit) |
| Timers | 4 (8-bit and 16-bit) |
| Communication | LIN, UART, SPI, I2C (MSSP) |
| mTouch Capacitive Touch | Yes |
| XLP (eXtreme Low Power) | Yes, <50 nA typical sleep |
| Package | 20-pin SSOP (5.30 mm body, 0.65 mm pitch) |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Programming/Debug | ICSP via PICkit 3 / MPLAB ICD 3 |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16F1829LIN-I/SS Pin Configuration
| Pin 1 | LBUS β LIN bus line (integrated transceiver I/O) |
| Pin 2 | RA0 β Digital I/O / analog input AN0 |
| Pin 3 | RA1 β Digital I/O / analog input AN1 |
| Pin 4 | RA2 β Digital I/O / analog input AN2 |
| Pin 5 | RA3 β Digital I/O / analog input AN3 / MCLR (reset) |
| Pin 6 | RA4 β Digital I/O / analog input AN4 |
| Pin 7 | RA5 β Digital I/O / analog input AN5 |
| Pin 8 | VSS β Ground reference |
| Pin 9 | RA7 β Digital I/O |
| Pin 10 | RA6 β Digital I/O / oscillator |
| Pin 11 | RC0 β Digital I/O / analog input AN16 |
| Pin 12 | RC1 β Digital I/O / analog input AN17 |
| Pin 13 | RC2 β Digital I/O / analog input AN18 |
| Pin 14 | RC3 β Digital I/O / analog input AN19 / SCL |
| Pin 15 | RC4 β Digital I/O / SDA |
| Pin 16 | RC5 β Digital I/O |
| Pin 17 | RC6 β Digital I/O / TX |
| Pin 18 | RC7 β Digital I/O / RX |
| Pin 19 | VDD β Positive supply (+5V from internal LDO) |
| Pin 20 | RA0 β Digital I/O (alternate pin location per datasheet) |
Typical Applications
PIC16F1829LIN-I/SS is suitable for 6 applications: Automotive Body Electronics LIN Slave Node, Industrial Sensor Networks (LIN-based), Smart Appliance and HVAC Controls, Vehicle Interior Lighting Modules, Automotive Sensor LIN Endpoints, Battery-Backed Telematics and Tracking Modules.
Automotive Body Electronics LIN Slave Node
The PIC16F1829LIN-I/SS's integrated MCP2021A-equivalent LIN transceiver makes it ideal for automotive LIN slave nodes such as door modules, seat controllers, mirror adjusters, window lifters, and climate-control panel interfaces. The +5V LDO derived from the LIN bus pin eliminates an external regulator, while the 14 KB Flash accommodates LIN 2.1 diagnostic handlers and small protocol state machines. Operating from 6V to 18V normal bus voltage with 27V transient tolerance, the device handles +12V automotive battery environments without additional protection. The mTouch capacitive-sensing peripheral enables touch-button interfaces for human-machine interaction in vehicle interiors.
Recommended
Industrial Sensor Networks (LIN-based)
For factory and process automation, the PIC16F1829LIN-I/SS enables compact, low-cost LIN slave sensor nodes that aggregate multiple analog or digital signals over a single LIN bus back to a master controller. The 12-channel 10-bit ADC reads multiple sensor inputs, while XLP eXtreme Low Power technology with sub-50 nA sleep current supports battery-assisted or bus-powered operation. The 32 MHz CPU speed provides ample headroom for sensor linearization, averaging, and LIN protocol handling. The integrated LDO removes the need for an external regulator, simplifying EMC compliance in industrial enclosures.
Recommended
Smart Appliance and HVAC Controls
Appliance OEMs use the PIC16F1829LIN-I/SS as a single-chip solution for LIN-attached subsystems in washing machines, dishwashers, refrigerators, and HVAC indoor units. The mTouch capacitive-touch peripheral enables modern glass-front interfaces without mechanical buttons, while the integrated LIN bus interface connects to the main appliance controller. The +5V LDO with bus-powered operation simplifies appliance module design, and the 14 KB Flash is sufficient for user-interface state machines, sensor processing, and LIN communication stacks.
Recommended
Vehicle Interior Lighting Modules
The PIC16F1829LIN-I/SS powers LIN-controlled interior lighting modules including ambient LED strips, dome lights, and reading lamps. The 4 PWM channels drive LED drivers with 10-bit resolution for smooth dimming, while the LIN interface allows master ECUs to set brightness, color, and fade profiles. The integrated +5V regulator simplifies module PCB layout, and the XLP low-power features minimize quiescent current when the lighting is off. The 14 KB Flash supports custom fade curves and diagnostic feedback to the vehicle network.
Recommended
Automotive Sensor LIN Endpoints
LIN endpoints such as rain/light sensors, occupancy sensors, and steering-angle sensors benefit from the PIC16F1829LIN-I/SS's combination of a small footprint, integrated bus interface, and analog peripherals. The 12 ADC channels support multi-element sensor readout, while the integrated LDO removes discrete voltage regulation. The LIN 1.3/2.0/2.1/J2602 compliance ensures interoperability with any modern vehicle network. Sleep currents below 50 nA enable permanent bus connection without draining the vehicle battery during parked weeks.
Recommended
Battery-Backed Telematics and Tracking Modules
For LIN-connected telematics modules in fleet management and asset tracking, the PIC16F1829LIN-I/SS provides a low-power microcontroller with LIN network access for diagnostic data exchange. The XLP low-power modes reduce quiescent current during sleep cycles between transmissions, while the 32 MHz core processes GPS data parsing and sensor aggregation. The integrated LDO simplifies power tree design in compact module enclosures, and the mTouch peripheral supports user input without mechanical buttons.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1829LIN-I/SS β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1829LIN-E/SS | PIC16F1829-I/SS | PIC16F1828-I/SS |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin SSOP | 20-pin SSOP (same) | 20-pin SSOP (same) | 20-pin SSOP (same) |
| Integrated LIN Transceiver | Yes (LIN 1.3/2.0/2.1/J2602) | Yes | No (external required) | No (external required) |
| Integrated LDO Regulator | Yes (+5V from LBUS) | Yes | No | No |
| Flash Program Memory | 14 KB | 14 KB | 14 KB | 8 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) |
Key Differentiators
- Integrated LIN physical-layer transceiver and +5V LDO (vs PIC16F1829-I/SS)
- Highest Flash density in the 20-pin SSOP LIN MCU family (vs PIC16F1828-I/SS)
- LIN 1.3/2.0/2.1/J2602 hardware conformance (vs PIC16F1829LIN-I/SO (SOIC-20 variant))
Design Notes
Place the LBUS pin protection network (typically a reverse-battery diode, TVS, and decoupling cap) as close to pin 1 as possible to suppress ESD and load-dump transients from the automotive +12V battery bus. Route the LIN bus trace as a short, direct differential pair to the bus connector, keeping it away from switching nodes to meet automotive EMC requirements.
The PIC16F1829LIN-I/SS's internal +5V LDO derives its input from the LBUS pin. Ensure the LIN bus voltage remains above the LDO dropout threshold (typically 6V) under all load conditions. Decouple VDD with a 100 nF ceramic in parallel with a 1 uF ceramic placed within 5 mm of the VDD pin to suppress switching noise from the LIN transceiver.
Do not assume the LBUS pin is bidirectional in the same way as a UART TX/RX pair - the integrated LIN transceiver handles bus arbitration, slope control, and dominant/recessive bit timing in hardware. Configuring the LBUS pin as a generic GPIO or driving it with software bit-banging will fail LIN conformance and may damage the internal transceiver.
Keep the SSOP-20 thermal pad area free of signal traces and connect to a ground pour for stable thermal performance. For mTouch capacitive-sensing applications, route the touch electrode traces as short, narrow guarded traces with a ground hatch and avoid placing them near switching power traces to minimize capacitive noise coupling.
Compliance Information
RoHS compliant per Microchip product page. AEC-Q100 qualification status not explicitly listed in the public datasheet - contact Microchip for automotive-grade part numbers if AEC-Q100 is required.
