PIC16LF1509-E/ML - 14KB Flash 8-bit MCU, 20MHz, 20-QFN | Microchip
MPN: PIC16LF1509-E/ML ✓ Hoạt độngPIC16LF1509-E/ML Tóm tắt
An 8-bit microcontroller is a small, self-contained computing core that integrates a CPU, program memory (Flash), data memory (RAM), peripherals, and I/O on a single die. PIC microcontrollers use a RISC-based Harvard architecture, where program and data buses are separate, and most instructions execute in a single clock cycle. The PIC16F1509 family belongs to the broader hierarchy of PIC microcontrollers (PIC10/12/16/18/24/32) -> 8-bit MCUs -> microcontrollers -> embedded processors -> semiconductors. The 'XLP' (eXtreme Low Power) designation marks devices that use Microchip's nanoWatt XLP technology, achieving sub-microamp sleep currents for IoT and battery applications.
Key features include a 10-bit ADC with internal voltage reference, Configurable Logic Cells (CLC) for hardware glue logic without code overhead, a Complementary Waveform Generator (CWG) for motor and lighting control, and a Numerically Controlled Oscillator (NCO) for precision frequency generation. The 20-QFN package achieves a small 4 x 4 mm footprint suitable for space-constrained PCB designs, and supports surface-mount reflow assembly.
The device includes nanoWatt XLP technology with sleep currents typically below 50 nA, an on-chip 16 MHz internal oscillator with ±1% accuracy after calibration, and a wide operating voltage that allows direct connection to single-cell Li-ion, two-cell alkaline, or 3.3 V regulated rails. Enhanced mid-range core features automatic interrupt context saving and a hardware 32 kHz Timer1 oscillator.
Typical applications include low-power IoT sensor nodes, battery-powered consumer electronics, LED lighting controllers using the CWG peripheral, frequency references using the NCO, and compact user-interface controllers in industrial or appliance products. The PIC16LF1509-E/ML is well-suited as a low-cost co-processor or stand-alone MCU in space-constrained designs.
When designing, ensure the ICSP programming header access is preserved on the PCB, the supply rail is decoupled with a 100 nF plus 1 µF combination placed within 5 mm of the VDD pin, and unused I/O pins are configured as outputs low to minimize sleep current. Migration to the pin-compatible PIC16LF1559 or PIC16LF1508 is straightforward within the same family.
This page synthesizes distributor pricing, drop-in alternative listings, and design notes not found in the standalone manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF1509-E/ML — 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 PIC16LF1509-E/ML (cùng hình factor và footprint) — khác nhau ở Package, Program Memory (Flash), Timers, Operating Temperature, ADC.
PIC16LF1509-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF1559-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1509-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1508-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1508-E/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1509-E/ML Tỷ lệ tối đa & tính chất điện
| Architecture | 8-bit PIC (Enhanced Mid-Range) |
| Core Family | PIC16F XLP |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 512 B |
| Maximum CPU Speed | 20 MHz (20 MIPS) |
| Operating Voltage Range | 1.8 V to 3.6 V |
| Khoảng nhiệt độ hoạt động | -40 °C to +125 °C (E grade) |
| Digital I/O Pins | 18 |
| Hộp | 20-QFN (4 x 4 mm) |
| Kiểu lắp đặt | Surface Mount |
| Peripherals | CLC, CWG, NCO, 10-bit ADC |
| Low-Power Technology | nanoWatt XLP |
| Internal Oscillator | 16 MHz HF + 32 kHz LF |
| Programming | ICSP (In-Circuit Serial Programming) |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16LF1509-E/ML
| Chân 1 | RA5 — Port A bit 5, digital I/O with ICSP data |
| Chân 2 | RA4 — Port A bit 4, digital I/O |
| Chân 3 | RA3 — Port A bit 3, digital I/O / MCLR |
| Chân 4 | RA2 — Port A bit 2, digital I/O |
| Chân 5 | RA1 — Port A bit 1, digital I/O / ICSPCLK |
| Chân 6 | RA0 — Port A bit 0, digital I/O |
| Chân 7 | VSS — Ground reference |
| Chân 8 | RC0 — Port C bit 0, digital I/O |
| Chân 9 | RC1 — Port C bit 1, digital I/O |
| Chân 10 | RC2 — Port C bit 2, digital I/O |
| Chân 11 | RC3 — Port C bit 3, digital I/O |
| Chân 12 | RC4 — Port C bit 4, digital I/O |
| Chân 13 | RC5 — Port C bit 5, digital I/O |
| Chân 14 | RC6 — Port C bit 6, digital I/O |
| Chân 15 | RC7 — Port C bit 7, digital I/O |
| Chân 16 | VSS — Ground reference |
| Chân 17 | VDD — Positive supply voltage 1.8-3.6 V |
| Chân 18 | RB7 — Port B bit 7, digital I/O |
| Chân 19 | RB6 — Port B bit 6, digital I/O |
| Chân 20 | RB5 — Port B bit 5, digital I/O |
Ứng dụng tiêu biểu
PIC16LF1509-E/ML phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Node, LED Lighting Controller, Frequency Reference / Clock Generator, Configurable Logic Replacement (CLC Application), Industrial Appliance Control, Compact User Interface / HMI Controller.
Battery-Powered IoT Sensor Node
The PIC16LF1509-E/ML's 1.8-3.6 V operating range and nanoWatt XLP sleep currents (typically below 50 nA per Microchip datasheet) make it ideal for battery-powered wireless sensor nodes. The 14 KB Flash accommodates sensor interface, calibration, and small protocol stacks while the 10-bit ADC handles analog sensor readout. Placement on the PCB: connect a 1.8-3.6 V coin-cell or 2x AA battery, add 100 nF + 1 µF decoupling near VDD, and expose ICSP for firmware updates. Trade-off vs stronger MCUs: simpler architecture uses less power but cannot run advanced stacks like BLE; in such cases add an external radio module.
Được đề xuất
LED Lighting Controller
The PIC16LF1509-E/ML integrates a Complementary Waveform Generator (CWG) peripheral capable of producing complementary PWM outputs with dead-band control, ideal for driving MOSFET half-bridges in LED lighting or small motor drivers. Operating from 1.8-3.6 V suits low-voltage LED strings powered by Li-ion or boost converters. Typical design: 20 MHz internal oscillator provides flicker-free PWM timing, while the 14 KB Flash stores dimming curves and color-mixing profiles. Trade-off: for high-power LED drivers above several amps, the MCU is paired with external gate drivers rather than directly switching the LEDs.
Được đề xuất
Frequency Reference / Clock Generator
The PIC16LF1509-E/ML's Numerically Controlled Oscillator (NCO) peripheral produces precise frequency outputs up to 16 MHz with sub-Hz resolution, suitable as a programmable clock reference, audio tone generator, or IR carrier source. The 20 MHz CPU clock provides deterministic step timing. Typical application: a 38 kHz IR remote carrier generated entirely in hardware without CPU intervention, freeing the MCU for protocol handling. Trade-off: the NCO accuracy tracks the internal oscillator (~1% calibrated), so for telecom-grade frequency references an external TCXO is preferred.
Được đề xuất
Configurable Logic Replacement (CLC Application)
The PIC16LF1509-E/ML's Configurable Logic Cells (CLC) allow on-chip implementation of combinational and sequential logic that traditionally required discrete 74-series gates. Engineers can implement XOR phase detectors, frequency multipliers, or glue-logic between peripherals without code overhead. The 14 KB Flash holds configuration firmware while CLC hardware runs continuously even in sleep mode, drawing nanoWatt XLP currents. Trade-off: CLC configuration has limited complexity (a few gates), so for substantial logic replacement a CPLD is preferred; the CLC here is best for small glue functions.
Được đề xuất
Industrial Appliance Control
The PIC16LF1509-E/ML's -40 to +125 °C E-grade temperature range and 20-QFN 4 x 4 mm footprint suit space-constrained industrial appliance controllers (HVAC, washing machines, coffee machines). The 14 KB Flash accommodates user-interface state machines while the 10-bit ADC reads sensor inputs (temperature, pressure, level). The CWG peripheral can drive TRIAC gate pulses for AC line control. Trade-off: for IEC 60730 functional-safety applications, an additional WDT and self-test firmware is required; this MCU does not include safety-certified peripherals.
Được đề xuất
Compact User Interface / HMI Controller
The PIC16LF1509-E/ML is well-suited as a small HMI co-processor driving LED indicators, button matrices, or simple segment LCDs in consumer electronics. The 18 I/O pins handle 4x4 button matrices and 7-segment displays, while 14 KB Flash stores user-interface state and debounce logic. Its 1.8-3.6 V operation lets it share a rail directly with the host SoC. Trade-off: for graphical TFT displays, this MCU lacks sufficient RAM and processing power; pair it with a larger MCU or dedicated display controller.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF1509-E/ML — 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 | PIC16LF1509-I/ML | PIC16LF1559-I/ML | PIC16F1509-I/ML | PIC16LF1508-I/ML |
|---|---|---|---|---|---|
| Package | 20-QFN (4x4) | 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 |
| Flash Memory | 14 KB | 14 KB | 14 KB | 14 KB | 7 KB |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 5.5 V | 1.8 V to 3.6 V |
| Temperature Grade | -40 to +125 °C (E) | -40 to +85 °C (I) | -40 to +85 °C (I) | -40 to +85 °C (I) | -40 to +85 °C (I) |
| Maximum CPU Speed | 20 MHz / 20 MIPS | 20 MHz | 32 MHz | 20 MHz | 20 MHz |
| CWG Peripheral | Yes | Yes | Yes | Yes | No |
| NCO Peripheral | Yes | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- Extended -40 to +125 °C industrial temperature grade (vsPIC16LF1509-I/ML)
- 1.8-3.6 V low-voltage range vs 1.8-5.5 V standard (vsPIC16F1509-I/ML)
- Complementary Waveform Generator (CWG) peripheral included (vsPIC16LF1508-I/ML)
Ghi chú thiết kế
Estimated: at 20 MHz active and 3.3 V VDD, the PIC16LF1509-E/ML typically draws about 4-6 mA from the datasheet typical curves; sleep current with WDT disabled is below 50 nA (nanoWatt XLP). Decouple VDD with a 100 nF ceramic capacitor within 5 mm of the pin and add a 1 µF bulk capacitor on the same rail. For battery operation, switching peripherals off via PMD registers and using the CLC in sleep mode achieves single-digit microamp average current.
Route the ICSP pins (RA0/RA1/RA3) to a programming header even if not used in production firmware - this enables factory programming and field firmware updates. Keep the ICSP clock and data traces short (<50 mm) and away from switching signals. The QFN exposed pad must be soldered to a ground plane with multiple thermal vias for reliable thermal and electrical performance.
Place the decoupling capacitors as close as possible to VDD/VSS pins with wide, short traces. Keep analog ADC inputs away from high-current switching signals; the PIC16LF1509 has a separate AVSS pin available in larger packages - for 20-QFN, use a star-ground topology. Configure unused I/O as outputs-low to minimize sleep current. The internal 16 MHz oscillator accuracy is ±1% calibrated - use the FOSC calibration register if precise timing is required.
Do not exceed 3.6 V on VDD when using the LF variant - the LF part lacks the 5 V tolerance of the F variant and will be damaged. Always configure the MCLR pin as a digital input or disable external reset if unused (via CONFIG register) to prevent spurious resets from noise. The CLC peripheral can lock up if configuration changes occur mid-operation - disable CLC output during reconfiguration. Verify A/D acquisition time meets datasheet minimum (especially when changing channels dynamically).
Thông tin tuân thủ
RoHS compliant per Microchip product page; not AEC-Q100 qualified (use automotive-grade PIC parts); industrial -40 to +125 °C E temperature grade (not full automotive)
