PIC16F1619T-I/ML - 8-Bit MCU, 14KB Flash, 32MHz, QFN-20 | Microchip
料号： PIC16F1619T-I/ML ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.71 | $1.71 |
| 10 | $1.54 | $15.40 |
| 100 | $1.36 | $136.00 |
| 500 | $1.18 | $590.00 |
| 1,000 | $1.02 | $1,020.00 |
| 3,300 | $0.92 | $3,036.00 |
PIC16F1619T-I/ML 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (typically Flash), volatile data memory (RAM), and a set of peripherals such as timers, communication interfaces, and analog converters. Within the broader taxonomy, the PIC16F1619 sits at the intersection of 8-bit microcontrollers -> PIC microcontrollers -> PIC16 mid-range family -> Microcontroller -> Embedded IC -> Semiconductor. It targets designers who need deterministic real-time control with low power consumption, replacing discrete logic and small ASICs in cost-sensitive industrial and consumer products.
Key features of the PIC16F1619T-I/ML include 14 KB self-programmable Flash, 1 KB SRAM, a 10-bit A/D converter with multiple channels, Capture/Compare/PWM (CCP) modules, a 24-bit Signal Measurement Timer (SMT), a Zero-Cross Detect (ZCD) peripheral, Configurable Logic Cells (CLC), and on-chip peripherals that reduce external component count. The QFN-20 (4x4 mm) package with exposed pad provides low thermal resistance and compact PCB footprint, making it ideal for space-constrained designs operating from 2.3V to 5.5V.
Architecturally, the PIC16F1619 uses Microchip's enhanced mid-range 8-bit core with a hardware multiplier, 16-level deep hardware stack, and direct/indirect addressing modes. The 10-bit ADC delivers up to 100 ksps across multiple channels, and the dedicated motor-control peripherals (SMT, ZCD, CCP) offload time-critical operations from the CPU, allowing the main loop to handle communication and supervisory tasks.
Typical applications include small motor control (BLDC, brushed DC, and stepper drivers), LED lighting controllers, white-goods appliance control, fan and pump controllers, and battery-powered IoT sensor nodes. The combination of low-power XLP operation and a rich peripheral set makes it suitable for both line-powered and energy-harvesting designs.
When designing with this part, allocate the QFN exposed pad to a continuous ground copper pour to meet the 31.6 C/W theta-JA thermal rating and avoid derating. Decouple VDD with a 100 nF ceramic capacitor placed within 2 mm of the pin, and route MCLR through the recommended 10 kohm pull-up. Confirm unused I/O pins are configured as outputs low or inputs with weak pull-ups to minimize sleep current.
This page synthesizes distributor stock and pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： PIC16F1619T-I/ML ——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： PIC16F1619T-I/ML （相同外形与封装尺寸） ——差异在于 Core Architecture, ADC, Package, Family, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
PIC16F1619-I/ML
✅ 直接替换✓ 有现货
$1.48 / 个
查看数据手册 →PIC16F1618-I/ML
✅ 直接替换✓ 有现货
$1.05 / 个
查看数据手册 →PIC16F1615-I/ML
✅ 直接替换✓ 有现货
$0.84 / 个
查看数据手册 →PIC16F1719-I/ML
✅ 直接替换📋 参考替代料（不在目录中）
PIC16F15356-I/ML
✅ 直接替换✓ 有现货
$1.18 / 个
查看数据手册 →PIC16F1619T-I/ML 最大额定值与电气特性
| Core Architecture | PIC 8-bit enhanced mid-range |
| Family | PIC16F161X (PIC XLP, Functional Safety) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data SRAM | 1 KB |
| Maximum CPU Speed | 32 MHz |
| MIPS (DMIPS equivalent) | 8 MIPS |
| ADC | 10-bit, multiple channels |
| Supply Voltage (VDD) | 2.3 V to 5.5 V |
| 工作温度 | -40C to +85C (Industrial) |
| 封装 | 20-pin QFN (4x4 mm) with exposed pad |
| 安装类型 | Surface Mount |
| Pin/Package Code | ML (QFN-20 4x4) |
| MSL 等级 | 1 |
| RoHS 状态 | Compliant |
| Peripheral Highlights | CCP, 24-bit SMT, ZCD, CLC, 10-bit ADC |
| Lead Free | Yes |
PIC16F1619T-I/ML 引脚配置
| 引脚 1 | RA5 — GPIO/ADC input |
| 引脚 2 | RA4 — GPIO/ADC input |
| 引脚 3 | RA3 — GPIO/MCLR (input only) |
| 引脚 4 | RA2 — GPIO/ADC input |
| 引脚 5 | RA1 — GPIO/ADC input/ICSPDAT |
| 引脚 6 | RA0 — GPIO/ADC input/ICSPCLK |
| 引脚 7 | VSS — Ground |
| 引脚 8 | VDD — Positive supply 2.3-5.5V |
| 引脚 9 | RB7 — GPIO/PWM output |
| 引脚 10 | RB6 — GPIO/PWM output |
| 引脚 11 | RB5 — GPIO/PWM output |
| 引脚 12 | RB4 — GPIO/PWM output |
| 引脚 13 | RC7 — GPIO/UART RX |
| 引脚 14 | RC6 — GPIO/UART TX |
| 引脚 15 | RC5 — GPIO/PWM output |
| 引脚 16 | RC4 — GPIO/PWM output |
| 引脚 17 | RC3 — GPIO/SPI/I2C |
| 引脚 18 | RC2 — GPIO/SPI/I2C |
| 引脚 19 | RC1 — GPIO/SPI/I2C |
| 引脚 20 | RC0 — GPIO/SPI/I2C |
| 引脚 21 | EP — Exposed thermal pad - must be soldered to ground copper pour |
典型应用
PIC16F1619T-I/ML 适用于 6 应用s: Small Brushless DC Motor Control, LED Lighting Controllers, White Goods Appliance Control, Fan and Pump Speed Controllers, Battery-Powered IoT Sensor Nodes, Functional Safety (FuSa) Embedded Control.
Small Brushless DC Motor Control
The PIC16F1619T-I/ML is purpose-built for small BLDC motor control thanks to its dedicated 24-bit Signal Measurement Timer (SMT) and Zero-Cross Detect (ZCD) peripherals, which handle commutation timing and AC mains zero-cross detection without external circuitry. The device's 32 MHz CPU executes the motor-control loop with deterministic latency while the 10-bit ADC samples back-EMF for sensorless commutation at sub-microsecond resolution. At 5V supply and 32 MHz, the core draws only a few mA, making the part suitable for line-powered and battery-backed appliances.
推荐
LED Lighting Controllers
The PIC16F1619T-I/ML drives LED lighting controllers by combining its 10-bit ADC for current sensing, CCP/PWM modules for dimming, and CLC (Configurable Logic Cells) for hardware-level PWM without CPU overhead. The 32 MHz core supports up to 5 PWM channels at 16 kHz with 10-bit resolution, suitable for RGBW dimming and color-mixing applications. The XLP family provides sub-1 uA sleep current for battery-backed emergency LED drivers.
推荐
White Goods Appliance Control
In washing machines, dishwashers, and refrigerators, the PIC16F1619T-I/ML serves as the main control MCU. Its ZCD peripheral detects 50/60 Hz AC mains zero crossings for triac-based heater or valve control, eliminating the optocoupler typically required. The 14 KB Flash stores the user interface state machine plus self-test routines, while 1 KB RAM handles display buffer and sensor fusion. The QFN-20 (4x4) package fits inside compact control boards with strict height limits.
推荐
Fan and Pump Speed Controllers
The PIC16F1619T-I/ML controls fan and pump speeds via its 24-bit SMT peripheral that measures tachometer pulses down to 10 ns resolution, enabling closed-loop RPM control without CPU intervention. The 10-bit ADC reads thermistor inputs for temperature-proportional fan curves. Operating from 2.3V to 5.5V, the device supports both 3.3V logic and 5V analog front-ends common in HVAC equipment, with the QFN-20 exposed pad handling thermal dissipation at full 32 MHz.
推荐
Battery-Powered IoT Sensor Nodes
The PIC16F1619T-I/ML is ideal for battery-powered IoT sensor nodes due to its PIC XLP architecture that achieves sub-1 uA sleep currents and 50 nA retention modes. The 14 KB Flash stores the sensor protocol stack (LoRaWAN, BLE, or Zigbee) plus application firmware. The 10-bit ADC reads battery voltage and sensor inputs while the device sleeps, waking periodically via the WDT or external interrupt. At 32 MHz active, the part wakes and runs the stack in milliseconds, then returns to sleep.
推荐
Functional Safety (FuSa) Embedded Control
The PIC16F1619T-I/ML is part of Microchip's Functional Safety (FuSa) product line, providing documented IEC 61508 SIL-aware support for safety-critical applications. The PIC16F161X family includes windowed watchdog, hardware CRC, I/O integrity checkers, and a memory built-in self-test (MBIST) peripheral that runs without CPU intervention. For industrial sensor transmitters, emergency-stop modules, and safety shut-off valves, this device meets IEC 60730 Class B requirements when properly configured.
推荐
推荐产品汇总
工程参考数据： PIC16F1619T-I/ML ——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 | PIC16F1619-I/ML | PIC16F1618-I/ML | PIC16F1615-I/ML | PIC16F1719-I/ML | PIC16F15356-I/ML |
|---|---|---|---|---|---|---|
| Package | 20-QFN (4x4) | 20-QFN (4x4) - same | 20-QFN (4x4) - same | 20-QFN (4x4) - same | 20-QFN (4x4) - same | 20-QFN (4x4) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 14 KB | 14 KB | 7 KB (-50%) | 14 KB | 32 KB (+128%) | 28 KB (+100%) |
| SRAM | 1 KB | 1 KB | 1 KB | 1 KB | 2 KB (+100%) | 2 KB (+100%) |
| Max CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| 24-bit SMT Peripheral | Yes | Yes | Yes | Yes | No | No |
| ZCD Peripheral | Yes | Yes | Yes | Yes | No | No |
| 10-bit ADC | Yes | Yes | Yes | Yes | Yes (12-bit) | Yes (10-bit) |
关键差异点
- 24-bit SMT peripheral for sub-microsecond pulse measurement （对比 PIC16F1719-I/ML)
- Zero-Cross Detect (ZCD) for AC mains synchronization （对比 PIC16F15356-I/ML)
- Functional Safety (FuSa) documentation for IEC 60730 Class B （对比 PIC16F1618-I/ML)
- More compact QFN-20 footprint than competing 28-pin MCUs （对比 PIC18F family 28-pin SOIC)
设计说明
The PIC16F1619T-I/ML QFN-20 (4x4) package has a thermal resistance (theta-JA) of approximately 31.6 C/W per Microchip's package datasheet when the exposed pad is soldered to a 1 square inch ground copper pour on the top layer. The exposed pad (pin 21) MUST be soldered to ground - omitting it raises theta-JA to over 80 C/W and can derate maximum CPU speed. For continuous 32 MHz operation at 85C ambient, add thermal vias under the exposed pad to a bottom-layer ground plane.
Place the 100 nF VDD decoupling capacitor within 2 mm of the VDD pin (pin 8) with a wide trace. Add a 10 uF bulk capacitor near the MCU for ADC reference stability. The MCLR pin (pin 3) requires a 10 kohm pull-up to VDD and a 100 nF cap to ground for ICSP programming - never tie MCLR directly to VDD. Keep analog traces (RA0-RA2) short and away from PWM outputs to avoid ADC switching noise injection.
Do not configure unused I/O pins as analog inputs floating - this can draw extra current and cause erratic ADC readings. Configure them as outputs low or digital inputs with weak pull-ups enabled. When using the internal 32 MHz HFINTOSC, enable the clock tuning register and verify frequency accuracy at production. The PIC16F1619T-I/ML ships with the internal oscillator as default; external crystal configuration requires programming the CONFIG1 register before use.
The 24-bit SMT peripheral on the PIC16F1619 measures pulses with 30 ns resolution at 32 MHz. Route the SMT input signal (typically RC0 or RC1) as a short trace with a 10 kohm series resistor near the pin to dampen reflections from long sensor cables. Add a 100 pF capacitor to ground on the SMT input if the source impedance exceeds 1 kohm. The ZCD peripheral requires a current-limiting resistor (typically 100 kohm) on its input to limit mains coupling current.
The PIC16F1619T-I/ML supports PIC XLP low-power modes with typical sleep currents below 1 uA at 3.3V. Use the DOZE and IDLE modes for periodic sensor reads while maintaining peripheral clocks. The BOR (brown-out reset) trip point is configurable - set it slightly below the lowest expected VDD to avoid spurious resets during motor inrush. For battery applications, the on-chip ADC can measure VDD via the internal bandgap reference without external components.
合规信息
RoHS and REACH compliance confirmed per Microchip product page and DigiKey listing. AEC-Q100 not applicable - this is an industrial-grade part rated -40C to +85C. Halogen-free status not explicitly stated in verified data - marked unknown. For automotive applications use the PIC16F1619T-I/MLVAO variant if available.
