PIC16F1829T-I/GZ - 8-bit MCU, 14KB Flash, 32MHz, 20-UQFN | Microchip
料号： PIC16F1829T-I/GZ ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.96 | $1.96 |
| 10 | $1.74 | $17.40 |
| 100 | $1.52 | $152.00 |
| 500 | $1.34 | $670.00 |
| 1,000 | $1.18 | $1,180.00 |
| 3,300 | $1.05 | $3,465.00 |
PIC16F1829T-I/GZ 概述
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data bus and CPU core, integrating Flash program memory, SRAM data memory, EEPROM non-volatile storage, digital I/O, and on-chip peripherals such as timers, ADC, comparators, and serial communication modules. In the broader system hierarchy, an MCU belongs to microcontrollers -> integrated circuits -> semiconductors. The PIC16F1829 uses Microchip's enhanced mid-range 8-bit core, providing instruction-level compatibility across the PIC16 family while adding a wider array of on-chip peripherals than legacy PIC16 devices.
Key features of the PIC16F1829 include 17 I/O pins, 12-channel 10-bit ADC with Capacitive Voltage Divider (CVD) support for mTouch capacitive touch sensing, multiple Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) and serial peripheral interfaces, a configurable logic cell, and a temperature range of -40C to +85C suitable for industrial environments. The 14KB Flash supports in-circuit serial programming (ICSP) through either high-voltage or low-voltage methods, eliminating the need for an external programmer in production.
From an architectural standpoint, the PIC16F1829 integrates an on-chip 32MHz internal oscillator, eliminating the need for an external crystal in many designs and reducing BOM cost. The device also integrates a 4x phase-locked loop (PLL) for high-speed operation from lower-frequency sources and includes the mTouch CVD peripheral for capacitive proximity and button sensing.
Typical applications include consumer appliance control, LED lighting control, capacitive touch user interfaces, low-power remote sensor nodes, and battery-powered handheld instruments. The PIC16F1829's combination of 14KB Flash, 32MHz CPU, and integrated capacitive touch support makes it well-suited to space-constrained embedded designs where a small 4x4 mm UQFN footprint is needed.
When designing with this device, ensure that the UQFN-20 exposed pad is soldered to the PCB ground plane for proper thermal dissipation and electrical performance. Decoupling capacitors of 100nF and 10uF should be placed close to the VDD pin to support clean ADC measurements and reliable mTouch operation.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： PIC16F1829T-I/GZ ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC16F1829T-I/GZ （相同外形与封装尺寸） ——差异在于 Package, ADC, Core Architecture, Program Memory (Flash), Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
PIC16F1829-I/GZ
✅ 直接替换✓ 有现货
$1.31 / 个
查看数据手册 →PIC16F1829LIN-I/SS
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.93 / 个
查看数据手册 →PIC16F1829LINT-I/SS
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.39 / 个
查看数据手册 →PIC16F1828T-I/ML
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.97 / 个
查看数据手册 →PIC16F1827T-I/ML
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.45 / 个
查看数据手册 →PIC16F1826T-I/ML
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.03 / 个
查看数据手册 →PIC16F1829T-I/GZ 最大额定值与电气特性
| Core Architecture | 8-bit PIC Enhanced Mid-Range |
| Program Memory (Flash) | 14 KB (8K x 14) |
| Data RAM | 1 KB (1024 x 8) |
| EEPROM | 256 x 8 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage | 1.8 V to 5.5 V |
| I/O Pins | 17 |
| ADC | 10-bit, 12 channels |
| 封装 | 20-UQFN (4x4 mm) |
| 安装类型 | Surface Mount |
| 工作温度 | -40 C to +85 C |
| Temperature Grade | Industrial |
| Programming Method | ICSP (HV or LV) |
| Touch Sensing | mTouch CVD peripheral |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
PIC16F1829T-I/GZ 引脚配置
| 引脚 1 | RA5 — Digital I/O / ADC input |
| 引脚 2 | RA4 — Digital I/O / ADC input |
| 引脚 3 | RA3 — Digital I/O / MCLR input |
| 引脚 4 | RA2 — Digital I/O / ADC input |
| 引脚 5 | RA1 — Digital I/O / ADC input / ICSPCLK |
| 引脚 6 | RA0 — Digital I/O / ADC input / ICSPDAT |
| 引脚 7 | VSS — Ground |
| 引脚 8 | RA7 — Digital I/O / OSC1 |
| 引脚 9 | RA6 — Digital I/O / OSC2 |
| 引脚 10 | RC0 — Digital I/O |
| 引脚 11 | RC1 — Digital I/O |
| 引脚 12 | RC2 — Digital I/O |
| 引脚 13 | RC3 — Digital I/O / SCL |
| 引脚 14 | RC4 — Digital I/O / SDA |
| 引脚 15 | RC5 — Digital I/O |
| 引脚 16 | RC6 — Digital I/O / TX |
| 引脚 17 | RC7 — Digital I/O / RX |
| 引脚 18 | VDD — Positive supply |
| 引脚 19 | RB7 — Digital I/O |
| 引脚 20 | RB6 — Digital I/O |
典型应用
PIC16F1829T-I/GZ 适用于 7 应用s: Capacitive Touch User Interface, Consumer Appliance Control Board, Battery-Powered Sensor Node, LED Lighting Controller, Automotive Interior LIN Node, Industrial Sensor Hub, Smart Home Wireless Remote.
Capacitive Touch User Interface
The PIC16F1829T-I/GZ's integrated mTouch CVD peripheral and 12-channel 10-bit ADC directly support capacitive touch button, slider, and proximity sensing without external touch ICs. With 14 KB Flash, designers can implement Microchip's mTouch library plus application firmware in a single MCU. The 32 MHz CPU enables responsive touch event debouncing and gesture recognition. Housed in a 4x4 mm UQFN-20, it fits behind glass panels in appliance, lighting, and IoT control panels where compact PCB area and reliable touch sensing are both critical.
推荐
Consumer Appliance Control Board
The PIC16F1829T-I/GZ provides 17 I/O pins, multiple timers, EUSART, SPI, and I2C peripherals needed for appliance control boards driving relays, valves, displays, and sensors. Operating from 1.8 V to 5.5 V, it supports both 3.3 V logic and 5 V relay-driver interfaces. The 14 KB Flash accommodates state-machine firmware plus diagnostics, while the -40 C to +85 C industrial temperature range suits kitchen and laundry appliances. The 32 MHz CPU delivers fast PWM control for motor and heater regulation in closed-loop applications.
推荐
Battery-Powered Sensor Node
The PIC16F1829T-I/GZ's nanoWatt XLP power-down modes combined with its 1.8 V minimum supply enable multi-year battery life in remote sensor applications. The on-chip 32 MHz internal oscillator eliminates external crystal quiescent current, while sleep currents below 1 uA extend coin-cell battery life. With 1 KB RAM and 256-byte EEPROM for parameter storage, plus 14 KB Flash for sensor-fusion firmware, this MCU suits wireless sensor endpoints interfacing via SPI or I2C to sub-GHz radio modules such as the MRF89XA.
推荐
LED Lighting Controller
The PIC16F1829T-I/GZ provides multiple PWM channels, 32 MHz CPU throughput, and 14 KB Flash for color-mixing and dimming algorithms in architectural LED drivers. The mTouch peripheral enables touch dimmers and sliders without mechanical pots, while the 10-bit ADC reads ambient light sensors for daylight harvesting. Its 1.8 V to 5.5 V supply supports direct Li-ion battery operation in portable lamps or 24 V commercial lighting via buck regulator. The compact UQFN-20 footprint fits tight LED-driver PCB constraints.
推荐
Automotive Interior LIN Node
Although the PIC16F1829T-I/GZ itself is industrial-grade, its 32 MHz core, EUSART, and 14 KB Flash provide a strong base for LIN bus slave nodes in body-electronics applications. For AEC-Q100 qualified LIN operation, the PIC16F1829LIN-I/SS variant in the same UQFN-20 family offers hardware LIN support. Designers can prototype touch-sensing HVAC controls and door-module interfaces with this device, then migrate to the automotive-grade part sharing identical peripheral architecture for production.
推荐
Industrial Sensor Hub
The PIC16F1829T-I/GZ supports industrial sensor hubs aggregating analog signals from multiple transducers through its 12-channel 10-bit ADC and multiple serial interfaces. With 14 KB Flash and 32 MHz throughput, the device runs MODBUS RTU slave protocols over EUSART or interfaces to industrial sensors via SPI/I2C. The -40 C to +85 C industrial temperature range suits factory-floor deployment, while the 1.8 V to 5.5 V supply accommodates 3.3 V and 5 V industrial backplanes.
推荐
Smart Home Wireless Remote
The PIC16F1829T-I/GZ pairs effectively with sub-GHz or 2.4 GHz radio ICs via its SPI interface to implement smart-home remote controls, dimmers, and sensor endpoints. Its 32 MHz CPU supports RF protocol stacks, while the mTouch peripheral provides capacitive button inputs without mechanical switches. With 14 KB Flash, designers can support multiple RF protocols (Zigbee, LoRa, or proprietary) plus user-interface firmware in a single MCU. The compact UQFN-20 (4x4 mm) footprint fits slim handheld enclosures.
推荐
推荐产品汇总
工程参考数据： PIC16F1829T-I/GZ ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC16F1829-I/GZ | PIC16F1829LIN-I/SS | PIC16F1829LINT-I/SS | PIC16F1828T-I/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-UQFN (4x4) | 20-UQFN (4x4) - same | 20-UQFN (4x4) - same family | 20-UQFN (4x4) - same family | 20-UQFN (4x4) - same family |
| Program Flash | 14 KB | 14 KB | 14 KB | 14 KB | 8 KB (-43%) |
| Data RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| mTouch Support | Yes (CVD) | Yes (CVD) | Yes (CVD) | Yes (CVD) | Yes (CVD) |
| LIN Bus Hardware | No | No | Yes | Yes | No |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
关键差异点
- Largest Flash in PIC16F182X UQFN-20 family （对比 PIC16F1828T-I/ML)
- Compact 4x4 mm UQFN-20 footprint （对比 PIC16F1829T-I/SS (SSOP-20))
- Integrated capacitive touch peripheral （对比 PIC16F1826T-I/ML (4 KB Flash))
设计说明
The PIC16F1829T-I/GZ 20-UQFN (4x4 mm) package has an exposed thermal pad that MUST be soldered to the PCB ground plane for proper thermal dissipation and electrical performance. Recommended land pattern is per Microchip package specification document. Use at least 4 thermal vias in the exposed pad to inner ground plane for best heat spreading in space-constrained designs.
Place a 100 nF ceramic decoupling capacitor as close as possible to the VDD pin (pin 18) and a bulk 10 uF capacitor on the same supply trace. For mTouch capacitive touch sensing, additional 1 uF and 10 nF capacitors near ADC reference pins are recommended to maintain stable touch readings and reduce noise-induced false triggers.
Route the ICSP programming signals (ICSPCLK on RA1 and ICSPDAT on RA0) to a programming header or test pad accessible without removing the MCU. For production programming, use Microchip's production programmers supporting ICSP via these two pins plus VDD, VSS, and optionally MCLR. Keep analog input traces short and isolated from digital switching signals to maximize ADC SNR.
Do not exceed absolute maximum VDD of 7.0 V. Ensure MCLR pin (RA3) is properly pulled up through 10 kohm to VDD for reliable operation; floating MCLR can cause intermittent resets. When using the internal 32 MHz oscillator, allow startup time of up to 1 ms before switching to high-frequency clock source. For mTouch designs, ensure no conductive traces run under touch electrodes.
Estimated: The PIC16F1829T-I/GZ consumes approximately 8 mA at 32 MHz active operation per the datasheet. At 3.3 V VDD, this corresponds to 26 mW power dissipation. The UQFN-20 package thermal resistance theta_JA is approximately 40 C/W on a standard JEDEC 4-layer test board, resulting in junction temperature rise of ~1 C above ambient - well within the 125 C maximum. No heatsinking required for normal operation.
合规信息
RoHS and REACH compliant per Microchip product environmental compliance documentation. Not AEC-Q100 qualified - choose PIC16F1829LIN-I/SS (automotive grade) for vehicle applications. Lead-free reflow soldering compatible.
