PIC16LF1788-E/SO - 28KB Flash 8-bit MCU | Microchip | 28-SOIC
MPN: PIC16LF1788-E/SO ✓ Hoạt độngPIC16LF1788-E/SO Tóm tắt
A PIC (Peripheral Interface Controller) microcontroller is an 8-bit RISC MCU built on Harvard architecture with separate program and data buses. PIC16F-series parts sit at the mid-range tier of Microchip's portfolio, integrating rich analog peripherals with low-power XLP technology for ultra-low standby current in always-on applications.
Key features include 12-bit and 5-bit digital-to-analog converters (DAC), advanced analog peripherals such as op-amps and comparators, multiple PWM modules, and communication interfaces including I2C, SPI, UART, and USART. The on-chip high-performance RISC CPU executes most instructions in a single cycle, contributing to deterministic interrupt response and efficient power profile.
The 32MHz internal oscillator enables accurate timing without external crystals. The architecture integrates enhanced mid-range core with 49 instructions and 16 stack levels, supporting self read/write capability on Flash. Integrated peripherals like the configurable logic cell (CLC) and signal measurement timer (SMT) simplify sensor and motor-control designs.
Typical applications include low-power IoT sensor nodes, industrial control interfaces, battery-operated instruments, LED lighting controllers, and small motor drives. The wide peripheral mix makes it well-suited to mixed-signal front-ends where analog precision and digital control must coexist on a single die.
Design consideration: When migrating between PIC16F1788 (F) and PIC16LF1788 (LF), note the LF variant supports lower voltage operation, while pin and peripheral assignments in identical package codes remain compatible for drop-in upgrades on existing boards.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet summary to accelerate your BOM and sourcing decisions.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF1788-E/SO — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16LF1788-E/SO (cùng hình factor và footprint) — khác nhau ở Core Architecture, Package, Program Memory (Flash), RoHS Status, ADC.
PIC16LF1788-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1788-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1788-E/SO
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16LF1788-E/SO Tỷ lệ tối đa & tính chất điện
| Series | PIC® XLP™ 16F |
| Core Architecture | 8-bit Enhanced Mid-Range RISC |
| Program Memory (Flash) | 28 KB (16K x 14) |
| RAM | 2 KB |
| EEPROM | 256 B |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 2.5 V / 3.3 V |
| Hộp | 28-SOIC (0.295", 7.50 mm width) |
| Kiểu lắp đặt | Surface Mount |
| DAC Resolution | 12-bit and 5-bit |
| Communication Interfaces | I2C, SPI, UART, USART, LIN |
| Instruction Set | 49 Instructions |
| Stack Levels | 16 |
| Flash Self Read/Write | Yes |
| Nhiệt độ hoạt động | -40 °C to +125 °C |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16LF1788-E/SO
| Chân 1 | RA0/AN0/C1IN+/C2IN+/DAC5OUT/OPA1IN0+/OPA1OUT/IOCA0 — Bidirectional I/O; analog input; op-amp input/output; DAC output |
| Chân 2 | RA1/AN1/C1IN-/C2IN-/DAC1OUT/OPA1IN0-/OPA2IN3+/OPA2OUT/IOCA1 — Bidirectional I/O; analog input; DAC1 output; op-amp I/O |
| Chân 3 | RA2/AN2/DACREF-/DAC2OUT/OPA1IN1-/OPA2IN3-/IOCB2/IOCA2 — Bidirectional I/O; analog input; DAC reference; op-amp input |
| Chân 4 | RA3/AN3/DACREF+/C1IN0-/IOCA3 — Bidirectional I/O; analog input; DAC positive reference |
| Chân 5 | RA4/AN4/C1IN1-/C2IN1-/OPA1IN1+/OPA2IN2+/IOCA4 — Bidirectional I/O; analog input; op-amp inputs |
| Chân 6 | RA5/AN5/DAC5OUT/OPA2IN1+/OPA2IN1-/OPA1IN3-/IOCA5 — Bidirectional I/O; analog input; DAC output; op-amp inputs |
| Chân 7 | RA6/OSC — Bidirectional I/O; oscillator pin |
| Chân 8 | RA7/OSC — Bidirectional I/O; oscillator pin |
| Chân 9 | VSS — Ground reference |
| Chân 10 | VDD — Positive supply voltage |
| Chân 11 | RB0/AN6/IOCB0/CCP1 — Bidirectional I/O; analog input; CCP1 PWM output |
| Chân 12 | RB1/AN7/IOCB1/CCP2 — Bidirectional I/O; analog input; CCP2 PWM output |
| Chân 13 | RB2/AN8/IOCB2 — Bidirectional I/O; analog input |
| Chân 14 | RB3/AN9/IOCB3 — Bidirectional I/O; analog input |
| Chân 15 | RB4/IOCB4 — Bidirectional I/O; interrupt-on-change |
| Chân 16 | RB5/IOCB5 — Bidirectional I/O; interrupt-on-change |
| Chân 17 | RB6/ICSPCLK/ICSPDAT/IOCB6 — Bidirectional I/O; ICSP programming clock/data |
| Chân 18 | RB7/ICSPDAT/IOCB7 — Bidirectional I/O; ICSP programming data |
| Chân 19 | RC0/SOSCO — Bidirectional I/O; secondary oscillator output |
| Chân 20 | RC1/SOSCI — Bidirectional I/O; secondary oscillator input |
| Chân 21 | RC2/IOCA2 — Bidirectional I/O; interrupt-on-change |
| Chân 22 | RC3/IOCA3/SCL1 — Bidirectional I/O; I2C clock |
| Chân 23 | RC4/IOCA4/SDA1 — Bidirectional I/O; I2C data |
| Chân 24 | RC5/IOCA5 — Bidirectional I/O; interrupt-on-change |
| Chân 25 | RC6/IOCA6/TX1/CK1 — Bidirectional I/O; UART transmit/clock |
| Chân 26 | RC7/IOCA7/RX1/DT1 — Bidirectional I/O; UART receive/data |
| Chân 27 | RE3/MCLR/VPP — Master clear reset / programming voltage |
| Chân 28 | RA7/IOCA7 — Bidirectional I/O; interrupt-on-change |
Ứng dụng tiêu biểu
PIC16LF1788-E/SO phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Node, Industrial Control Interface Module, LED Lighting Controller, Portable Medical Monitoring Device, Small Motor Driver Control Board, Automotive Body Electronics Module.
Battery-Powered IoT Sensor Node
The PIC16LF1788-E/SO fits battery-powered IoT sensor nodes thanks to its 2.5V-3.3V LF supply range matching Li-ion/coin-cell discharge curves, plus XLP™ low-power technology enabling standby currents in the nanoamp range. Its 12-bit DAC and on-die op-amps can directly drive analog sensor front-ends for temperature, pressure, or gas sensors without external amplifiers. Used between a 3V Li-ion cell and the sensor chain, the LF variant extends usable runtime versus a standard F MCU at low battery voltages. The 32MHz speed and UART/SPI interfaces support periodic wireless transmissions to sub-GHz or BLE modules.
Được đề xuất
Industrial Control Interface Module
The PIC16LF1788-E/SO suits industrial control interface modules where its 49-instruction enhanced mid-range core delivers deterministic interrupt response for real-time control loops. The on-chip 12-bit DAC and operational amplifiers can synthesize 4-20mA analog output channels with minimal external analog. Its 2KB RAM and 28KB Flash comfortably host LIN, UART, and SPI stacks for master/slave industrial networks. Placed as the local MCU on a 24V industrial rail post-regulation, it adds LIN compatibility without needing an external transceiver controller.
Được đề xuất
LED Lighting Controller
The PIC16LF1788-E/SO drives multi-channel LED lighting controllers using its multiple PWM modules and 12-bit DAC for smooth dimming curves. The 256B EEPROM stores calibration values for individual LED channels, while 2KB RAM maintains color-mixing state for RGB or tunable-white systems. Operating from a 3.3V rail derived from an offline switching driver, it offers sequenced startup, soft-start, and thermal foldback via its on-die comparators. Its LIN/UART interfaces enable integration into automotive or architectural lighting networks.
Được đề xuất
Portable Medical Monitoring Device
The PIC16LF1788-E/SO is well-suited to portable medical monitoring devices because its 12-bit ADC and on-die op-amps can condition signals from biopotential electrodes, pulse oximeters, or temperature probes. The LF supply range allows direct connection to 3V coin cells, and the XLP™ low-power features stretch battery life during continuous monitoring. The 28KB Flash stores patient logs and calibration tables, while I2C/SPI can drive small OLED displays or BLE modules. Placed between a LiMnO2 primary cell and the analog front-end, it provides deterministic interrupt handling for safety-critical sampling.
Được đề xuất
Small Motor Driver Control Board
The PIC16LF1788-E/SO handles small brushless DC or stepper motor control via its multiple PWM modules, 12-bit DAC for current setpoints, and on-die comparators for back-EMF sensing. Its 32MHz instruction rate and deterministic interrupt response enable field-oriented control loops at moderate speeds. Operating from a 3.3V logic rail, the MCU issues gate-driver signals via SPI to external half-bridge drivers. The 28KB Flash accommodates sensorless startup routines, while 2KB RAM handles real-time state machines for commutation.
Được đề xuất
Automotive Body Electronics Module
The PIC16LF1788-E/SO supports automotive body electronics modules such as door controllers, seat adjusters, or lighting nodes where LIN bus connectivity, robust peripherals, and small package size matter. Its on-chip 12-bit ADC monitors position sensors and switches, while LIN/USART interfaces connect to the vehicle body network. The -40°C to +125°C operating temperature range handles under-dash thermal environments. Placed behind a 12V automotive rail with a 5V or 3.3V regulator, it executes switch-bounce filtering, debouncing, and actuator sequencing locally without burdening the central BCM.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF1788-E/SO — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16LF1788-I/SO | PIC16F1788-I/SO | PIC16F1788-E/SO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (7.50 mm) | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Flash Memory | 28 KB | 28 KB | 28 KB | 28 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB |
| Operating Voltage | 2.5V - 3.3V (LF) | 2.5V - 3.3V (LF) | 2.3V - 5.5V (F) | 2.3V - 5.5V (F) |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| EEPROM | 256 B | 256 B | 256 B | 256 B |
Bảo phân biệt quan trọng
- Extended temperature grade for harsh environments (vsPIC16LF1788-I/SO)
- Lower voltage operation for battery-powered designs (vsPIC16F1788-I/SO)
- Full industrial temperature and same die as target (vsPIC16LF1788-E/SP)
Ghi chú thiết kế
Estimated: at VDD=3.3V, CPU=32MHz active, the PIC16LF1788-E/SO core current is typically in the single-digit mA range. For battery designs, leverage XLP sleep modes with retention current near 1 nA to extend standby life. Use the LF silicon variant when operating below 2.7V; the F variant cannot run below 2.3V without reset. Decouple VDD with 100 nF ceramic placed within 3 mm of the package pin, and add 10 uF bulk if the load is pulsed (e.g., radio transmission bursts).
The 28-SOIC package has a thermal resistance (theta_JA) typically around 80 C/W on a standard 2-layer PCB. Provide a ground copper pour under the package to assist thermal dissipation and reduce ground bounce. Keep the ICSP lines (RB6/RB7) routed with short traces to the programming header to ensure reliable in-circuit programming; do not place series resistors above 1 kohm on these pins or programming may fail. Leave MCLR/VPP accessible via a pull-up resistor to VDD (typically 10 kohm).
Do not exceed the absolute maximum VDD of 4.0V on the LF variant (5.5V on F variant). Ensure the PICKit or ICD debugger is set to the correct device family ID; selecting PIC16F1788 firmware for an LF silicon may erase the calibration area. The LF and F silicon have slightly different low-voltage reset thresholds, so brown-out detection must be configured to the appropriate BOR setting for the chosen part. Finally, when migrating from -E to -I temperature grade, expect slightly lower high-temperature margin.
Thông tin tuân thủ
RoHS compliant per Microchip product page. Lead-free (Pb-free) reflow-compatible SOIC-28 package. Not AEC-Q100 qualified - for AEC-Q100 automotive grade, consider PIC16F1788-I/SO or related AEC-Q100 designated parts in the PIC16F1 family.
