PIC16LF737T-I/ML - 8-bit MCU, 7KB Flash, 10MHz, 28-QFN | Microchip
Артикул: PIC16LF737T-I/ML ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $4.1 | $4,10 |
| 10 | $3.72 | $37,20 |
| 100 | $3.3 | $330,00 |
| 500 | $2.92 | $1.460,00 |
| 1.000 | $2.55 | $2.550,00 |
PIC16LF737T-I/ML Обзор
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile data memory, and configurable peripherals on one die, intended for embedded control tasks. The PIC16LF737 belongs to the mid-range PIC® family hierarchy: PIC16F -> 8-bit RISC MCU -> microcontroller -> embedded processor -> semiconductor. The 'LF' prefix denotes the low-voltage (2.0-5.5 V) operating range optimized for battery-powered designs, while the 'F' family uses FLASH-based program memory for in-circuit reprogrammability.
Key specifications include 200 ns instruction execution, hardware USART for asynchronous serial communication, an 11-channel 10-bit Analog-to-Digital Converter for sensor interfacing, a master synchronous serial port for SPI or I²C peripherals, and an internal brown-out reset plus power-on reset for robust startup. Up to 25 I/O pins support digital input/output, with most pins remappable to alternate peripheral functions through the PPS-less legacy configuration registers.
The PIC16LF737 uses a Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and operand access that boosts throughput versus von Neumann designs. Its 35-word instruction set, 8-level hardware stack, and 14-bit instruction word length simplify code generation while sustaining deterministic interrupt latency — a hallmark of PIC mid-range devices.
Typical applications include industrial sensor conditioning, battery-powered instrumentation, low-cost motor control loops, LED driver controllers, and white-goods appliance boards. The wide 2.0-5.5 V supply tolerance allows direct connection to 3.3 V or 5 V rails without external level translation.
When designing with the PIC16LF737, ensure the on-chip brown-out reset voltage is configured below the minimum regulated rail, and reserve two I/O for ICSP programming (PGC/PGD) so the device can be re-flashed in-circuit during prototyping or field updates.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Аналоги без доработки для PIC16LF737T-I/ML — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PIC16LF737T-I/ML (тот же форм-фактор и посадочное место) — отличается по Package, ADC, Operating Temperature, Timers, Communication.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC16F737T-I/ML
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
PIC16LF737-I/ML
✅ Прямая замена✓ В наличии
$2.95 / шт.
Открыть даташит →PIC16LF727-I/MV
✅ Прямая замена✓ В наличии
$1.85 / шт.
Открыть даташит →PIC16LF727-E/P
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$1.89 / шт.
Открыть даташит →PIC16LF723A-I/ML
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$1.21 / шт.
Открыть даташит →PIC16LF722A-I/ML
✅ Прямая замена✓ В наличии
$0.74 / шт.
Открыть даташит →PIC16LF737T-I/ML Максимальные параметры и электрические характеристики
| Core Architecture | PIC16 8-bit RISC (Harvard) |
| Program Memory | 7 KB FLASH (4K x 14) |
| Data RAM | 368 bytes |
| Instruction Word | 14-bit |
| Maximum Clock Speed | 10 MHz |
| Instruction Execution | 200 ns |
| Operating Voltage Range | 2.0 V to 5.5 V |
| I/O Pins | 25 |
| ADC | 11-channel, 10-bit |
| Timers | 3 |
| Capture/Compare/PWM Modules | 3 |
| Communication | AUSART + SSP (SPI/I2C) |
| Корпус | 28-QFN (6x6 mm) with exposed pad |
| Рабочая температура | -40C to +85C (Industrial) |
| Тип монтажа | Surface Mount |
| Статус RoHS | Compliant |
Конфигурация выводов PIC16LF737T-I/ML
| Контакт 1 | RA0/AN0 — PORTA bit 0 / Analog input channel 0 |
| Контакт 2 | RA1/AN1 — PORTA bit 1 / Analog input channel 1 |
| Контакт 3 | RA2/AN2 — PORTA bit 2 / Analog input channel 2 |
| Контакт 4 | RA3/AN3/VREF+ — PORTA bit 3 / Analog input 3 / ADC positive reference |
| Контакт 5 | RA4/AN4 — PORTA bit 4 / Analog input channel 4 |
| Контакт 6 | RA5/AN5/SS — PORTA bit 5 / Analog input 5 / SPI slave select |
| Контакт 7 | OSC1/CLKIN — Oscillator input / external clock input |
| Контакт 8 | OSC2/CLKOUT — Oscillator output / clock output |
| Контакт 9 | RC0 — PORTC bit 0 |
| Контакт 10 | RC1 — PORTC bit 1 |
| Контакт 11 | RC2 — PORTC bit 2 |
| Контакт 12 | RC3 — PORTC bit 3 |
| Контакт 13 | RC4 — PORTC bit 4 |
| Контакт 14 | RC5 — PORTC bit 5 |
| Контакт 15 | RC6 — PORTC bit 6 |
| Контакт 16 | RC7 — PORTC bit 7 |
| Контакт 17 | VSS — Ground reference |
| Контакт 18 | VDD — Positive supply voltage (2.0V to 5.5V) |
| Контакт 19 | RB0/INT — PORTB bit 0 / External interrupt |
| Контакт 20 | RB1 — PORTB bit 1 |
| Контакт 21 | RB2 — PORTB bit 2 |
| Контакт 22 | RB3 — PORTB bit 3 |
| Контакт 23 | RB4 — PORTB bit 4 |
| Контакт 24 | RB5 — PORTB bit 5 |
| Контакт 25 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Контакт 26 | RB7/PGD — PORTB bit 7 / ICSP data |
| Контакт 27 | MCLR/VPP — Master clear reset / programming voltage input |
| Контакт 28 | RA6 — PORTA bit 6 |
Типичное применение
PIC16LF737T-I/ML подходит для 6 применениеs: Industrial Sensor Conditioning, Battery-Powered Instrumentation, Low-Cost Motor Control Loops, LED Lighting Controllers, White-Goods Appliance Boards, Automotive Body Electronics.
Industrial Sensor Conditioning
The PIC16LF737T-I/ML is well-matched to industrial sensor-conditioning front-ends where 11 channels of 10-bit ADC simultaneously digitize temperature, pressure, and flow signals. Its 2.0-5.5 V operating range accommodates 24V-bus-derived 5V or 3.3V rails via a downstream LDO. The 10 MHz CPU executes 200 ns instructions, sufficient for moving-average filters and linearization routines on multi-sensor inputs. The integrated AUSART enables MODBUS RTU transmission to a PLC, while the 25 I/O pins drive indicator LEDs, alarm relays, and digital isolators. Industrial-grade -40C to +85C operation ensures reliability in factory cabinets where ambient swings are common.
Рекомендуется
Battery-Powered Instrumentation
The LF prefix in PIC16LF737T-I/ML marks it for low-voltage operation down to 2.0 V, making it ideal for two-cell alkaline or single lithium coin-cell powered instruments like handheld multimeters, portable gas detectors, and field data loggers. SLEEP current drops to microampere levels, extending battery life for months. The 7 KB FLASH holds application firmware plus calibration tables for measurement accuracy. The 11-channel 10-bit ADC reads battery voltage, sensor inputs, and user controls without external multiplexers. ICSP programming via PGC/PGD allows firmware updates in the field without opening the enclosure, critical for sealed medical or metering devices.
Рекомендуется
Low-Cost Motor Control Loops
The PIC16LF737T-I/ML supports closed-loop PID motor control for small DC fans, blowers, and pumps using its three Capture/Compare/PWM modules to generate complementary PWM drive signals. The 10 MIPS throughput at 10 MHz executes the control loop at 1-10 kHz, fast enough for brushless DC and stepper motor commutation. Quadrature encoder inputs on PORTB enable position feedback, while the AUSART transmits telemetry to a host controller. The 28-QFN (6x6 mm) footprint fits compact motor-driver PCBAs used in appliances and HVAC equipment. Brown-out reset and watchdog timer protect against stalls in unattended installations.
Рекомендуется
LED Lighting Controllers
Architectural and signage LED controllers leverage the PIC16LF737T-I/ML to generate multi-channel PWM dimming and color-mixing sequences. Each of the three CCP modules produces an independent PWM output, and additional channels are software-bit-banged on PORTB and PORTC pins. The 10-bit ADC reads ambient light sensors and potentiometers for closed-loop brightness control. SPI/I2C ports drive WS2812-style addressable LED strips or external LED driver ICs. The 2.0-5.5 V supply range allows direct 3.3 V operation, eliminating level shifters. The 7 KB FLASH stores dimming curves, fade tables, and DMX-512 parsing logic for stage lighting applications.
Рекомендуется
White-Goods Appliance Boards
Washing machines, dishwashers, and refrigerators employ PIC16LF737T-I/ML as the main user-interface controller, scanning keypad matrices, driving 7-segment or LCD displays, and coordinating with a host motor controller via AUSART. The 25 I/O pins support 4x4 keypads, multiple LEDs, buzzer outputs, and rotary encoder inputs. Hardware SSP implements I2C for temperature sensors and EEPROM parameter storage. The wide 2.0-5.5 V supply tolerance survives brown-out events on poorly regulated appliance rails, and the -40C to +85C industrial temperature range handles under-cabinet and garage installations. FLASH in-circuit programming enables factory calibration and field firmware updates.
Рекомендуется
Automotive Body Electronics
Although not AEC-Q100 qualified, PIC16LF737T-I/ML is widely used in non-safety automotive body modules like interior lighting, mirror controllers, seat adjusters, and aftermarket accessories where industrial-grade temperature ranges are sufficient. Its 25 I/O pins drive multiple LED banks, switch inputs, and LIN-bus transceivers. The 11-channel 10-bit ADC reads switch positions, potentiometers, and current-sense amplifiers for fault detection. PWM modules generate soft-start profiles for motors and dimming ramps for cabin lighting. The robust PIC mid-range architecture and -40C to +85C rating handle under-dash thermal environments.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC16LF737T-I/ML — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC16F737T-I/ML | PIC16LF737-I/ML | PIC16LF727-I/MV | PIC16LF723A-I/ML | PIC16LF722A-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (6x6 mm) | 28-QFN (6x6) - same | 28-QFN (6x6) - same | 28-UQFN (6x6) - same family | 28-QFN (6x6) - same | 28-QFN (6x6) - same |
| Program Memory | 7 KB FLASH | 7 KB FLASH | 7 KB FLASH | 8 KB FLASH (+14%) | 7 KB FLASH | 3.5 KB FLASH (-50%) |
| Data RAM | 368 bytes | 368 bytes | 368 bytes | 368 bytes | 368 bytes | 128 bytes (-65%) |
| Maximum Clock Speed | 10 MHz | 20 MHz (+100%) | 10 MHz | 20 MHz (+100%) | 20 MHz (+100%) | 20 MHz (+100%) |
| I/O Pins | 25 | 25 | 25 | 21 (-16%) | 25 | 25 |
| ADC Channels | 11 x 10-bit | 11 x 10-bit | 11 x 10-bit | 11 x 10-bit | 11 x 10-bit | 11 x 10-bit |
| Operating Voltage Range | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| CCP/PWM Modules | 3 | 3 | 3 | 3 | 3 | 2 (-33%) |
Ключевые отличия
- Lower voltage operation than F-variant (против PIC16F737T-I/ML)
- Industrial temperature range with low-voltage focus (против PIC16LF727-I/MV)
- Lower cost with smaller memory option (против PIC16LF723A-I/ML)
Заметки по проектированию
The PIC16LF737T-I/ML requires a stable VDD between 2.0 V and 5.5 V with a decoupling network of one 100 nF ceramic capacitor placed within 5 mm of the VDD pin and a bulk 10 uF tantalum or aluminum-polymer capacitor on the same rail. The exposed thermal pad on the 28-QFN package is internally bonded to VSS and must be soldered to a ground copper pour for mechanical reliability and thermal dissipation, especially at high clock rates or elevated ambient temperatures.
Reserved pins RB6/PGC and RB7/PGD are required for ICSP programming; do not allocate them to application circuitry that cannot tolerate brief high-impedance states during programming. Place a 10 kohm pull-up on MCLR/VPP to ensure proper reset behavior, and route the OSC1/OSC2 traces short and symmetric with a grounded guard ring to minimize EMI coupling into nearby analog inputs. If using a crystal oscillator, add 22 pF load capacitors on each leg matched within 5% tolerance.
When migrating from PIC16LF737 to PIC16F737 (the higher-clock variant), firmware compiled at 10 MHz timing assumptions may behave incorrectly because instruction timing scales with Fosc. Verify that delay loops, baud-rate generators (SPBRG), and ADC acquisition times are recalculated for the 20 MHz clock. Additionally, the PIC16LF737T-I/ML datasheet document 30414J2 specifies brown-out reset trip points that must be configured for the minimum regulated VDD to avoid spurious resets on slowly rising power rails.
Информация о соответствии
RoHS compliant per Microchip product page. Industrial temperature grade -40C to +85C. Not AEC-Q100 qualified — for AEC-Q100 automotive applications select PIC16F767/777 family or PIC18F equivalents.
