PIC16F506-E/MG - 8-bit MCU, 1.5KB Flash, 12 I/O, QFN-16 | Microchip
MPN: PIC16F506-E/MG ✓ Hoạt độngPIC16F506-E/MG Tóm tắt
An 8-bit microcontroller is a single-chip computer that integrates a CPU, RAM, program memory, and peripheral set on one die. PIC microcontrollers (Programmable Intelligent Computers) belong to the RISC-based 8-bit MCU family -> microcontroller -> embedded processor -> semiconductor. They sit at the bottom of the microcontroller hierarchy, optimized for low cost, deterministic interrupt response, and ultra-low power, making them ideal for high-volume consumer and appliance products.
Key features include 12 I/O pins (11 usable + 1 input-only), a 12-bit ADC, 8-bit timer with 8-bit prescaler, watchdog timer with on-chip oscillator, in-circuit serial programming (ICSP), and ultra-low-power sleep mode drawing typically microampere currents. The device supports operating temperatures from -40 C to +125 C (industrial) and is housed in a compact 16-VFQFN exposed-pad package measuring 3 mm x 3 mm, enabling dense PCB layouts.
The architecture uses a Harvard RISC design with a single accumulator (W register) and a 2-stage pipeline, executing most instructions in one cycle. The PIC16F506's low pin count and analog-rich peripheral set make it a common choice for sensor-interface front-ends, simple closed-loop controllers, and battery-powered timing/monitoring circuits where a 32-bit MCU would be over-spec.
Typical applications include LED drivers, battery chargers, fan controllers, smoke detectors, thermostat front-ends, and consumer appliance user-interface boards. Its internal oscillator and integrated ADC minimize external component count, supporting BOM optimization in high-volume products.
When designing with this device, select the internal oscillator to reduce BOM, but verify that timing-sensitive peripherals (UART, PWM) tolerate the oscillator tolerance. Use the exposed pad (EP) of the QFN package as the main thermal path; do not leave it floating on the PCB, as this degrades electrical and thermal performance.
This page consolidates distributor pricing, drop-in compatible alternatives, application notes, and design considerations not found in a single manufacturer datasheet - structured for engineer procurement and BOM decisions.
Bộ thay thế dễ dàng lắp đặt cho PIC16F506-E/MG — 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 PIC16F506-E/MG (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, ADC, Timers, Core Architecture.
PIC16F506-I/MG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F506T-I/MG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F505-E/MG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F526-I/MG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC12F615-I/MG
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F506-E/MG Tỷ lệ tối đa & tính chất điện
| Program Memory Size | 1.5 KB (1K x 14) |
| RAM Size | 67 x 8 bytes |
| Number of I/O | 12 (11 usable + 1 input-only) |
| Hộp / Vỏ | 16-VFQFN Exposed Pad |
| Speed (Max) | 20 MHz |
| Core | PIC16 RISC 8-bit |
| Supply Voltage (Vdd) | 2.0 V to 5.5 V |
| Nhiệt độ hoạt động | -40 C to +125 C (Extended) |
| Oscillator Type | Internal (4/8/16 MHz selectable) |
| ADC | 8-bit, multi-channel |
| Timers | 1 x 8-bit with 8-bit prescaler |
| Watchdog Timer | Yes (on-chip dedicated oscillator) |
| In-Circuit Programming | ICSP (In-Circuit Serial Programming) |
| Kiểu lắp đặt | Surface Mount |
| Packaging | Tray |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân PIC16F506-E/MG
| Chân 1 | GP5/OSC1/AN3/CIN+/T1CKI — Bidirectional I/O; oscillator input; analog input 3; comparator input+; timer1 clock |
| Chân 2 | GP4/OSC2/AN2/CIN-/T1G — Bidirectional I/O; oscillator output; analog input 2; comparator input-; timer1 gate |
| Chân 3 | GP3/MCLR/Vpp — Bidirectional I/O; master clear reset; programming voltage |
| Chân 4 | GP2/AN6/T0CKI/INT/COUT — Bidirectional I/O; analog input 6; timer0 clock; external interrupt; comparator output |
| Chân 5 | GP1/ICSPCLK/AN7/CIN0-/Vref — Bidirectional I/O; ICSP clock; analog input 7; comparator input-; voltage reference |
| Chân 6 | GP0/ICSPDAT/AN4/CIN0+ — Bidirectional I/O; ICSP data; analog input 4; comparator input+ |
| Chân 7 | Vss — Ground reference |
| Chân 8 | VDD — Positive supply voltage |
| Chân 9 | GP5/AN5 — Bidirectional I/O; analog input 5 |
| Chân 10 | GP4/AN3 — Bidirectional I/O; analog input 3 |
| Chân 11 | GP3/AN2 — Bidirectional I/O; analog input 2 |
| Chân 12 | GP2/AN1 — Bidirectional I/O; analog input 1 |
| Chân 13 | GP1/AN0 — Bidirectional I/O; analog input 0 |
| Chân 14 | GP0 — Bidirectional I/O |
| Chân 15 | Vss — Ground reference |
| Chân 16 | VDD — Positive supply voltage |
Ứng dụng tiêu biểu
PIC16F506-E/MG phù hợp cho 6 Áp dụngs: LED Lighting Drivers, Battery-Powered Sensor Monitors, Consumer Appliance User Interfaces, Fan and Pump Speed Controllers, Smoke and CO Detector Front-Ends, Thermostat and HVAC Front-Ends.
LED Lighting Drivers
The PIC16F506-E/MG fits LED driver boards because its 8-bit ADC and 8-bit timer with PWM support enable closed-loop current regulation for white or RGB LED strings. With 12 I/O pins, it can drive 3-4 LED channels via MOSFETs while monitoring temperature through an NTC and ambient light via a photodiode. The internal 16 MHz oscillator eliminates the external crystal, reducing BOM cost for high-volume residential and commercial luminaires. Supply range of 2.0 V to 5.5 V accommodates both 3.3 V regulated rails and 5 V USB-powered fixtures. Power dissipation in the QFN-16 EP package is well-managed at typical 5 mA active currents.
Được đề xuất
Battery-Powered Sensor Monitors
Battery-powered designs benefit from the PIC16F506-E/MG's low-power architecture and integrated ADC. Operating at 2.0 V to 5.5 V, the device runs directly from two alkaline or three NiMH cells. Sleep currents are microampere-range, enabling multi-year battery life in remote sensors monitoring temperature, humidity, or contact closure. The internal oscillator at 4 MHz / 8 MHz / 16 MHz selectable via software lets the firmware trade off active power vs computational throughput without external components. The 16-VFQFN package (3 mm x 3 mm) suits space-constrained sensor pods.
Được đề xuất
Consumer Appliance User Interfaces
User-interface boards for white goods, coffee machines, and small kitchen appliances routinely use the PIC16F506-E/MG to read 4-6 buttons, drive a small LED or 7-segment display, and run a simple state machine. The 12 I/O pins directly connect to a button matrix and LED array without an I/O expander. The internal oscillator and 8-bit ADC simplify BOM, while the 1.5 KB Flash comfortably stores menu-handling and timing logic. Extended operating temperature -40 C to +125 C supports under-cabinet and outdoor environments.
Được đề xuất
Fan and Pump Speed Controllers
Closed-loop fan or pump speed control maps directly to the PIC16F506-E/MG's peripheral set. The 8-bit timer with 8-bit prescaler generates a PWM output to drive a MOSFET, while the 8-bit ADC reads back tachometer pulses or a current shunt. With 12 I/O, the MCU can also handle start-up relay, fault LED, and speed-select input. The internal oscillator accuracy is sufficient for tachometric feedback loops. The 16-VFQFN EP package handles modest dissipation typical of 5 V / 20 MHz operation.
Được đề xuất
Smoke and CO Detector Front-Ends
Smoke and CO detectors require low-power analog monitoring with simple decision logic - a perfect fit for the PIC16F506-E/MG. The 8-bit ADC continuously samples the photoelectric or electrochemical sensor, while the watchdog timer ensures firmware liveness in safety-critical operation. The internal oscillator and small Flash budget minimize standby current, extending 10-year battery life claims. The 16-VFQFN package accommodates thin sensor housings.
Được đề xuất
Thermostat and HVAC Front-Ends
Smart thermostat remote sensors and HVAC damper actuators commonly use the PIC16F506-E/MG as the analog front-end MCU. Its 8-bit ADC scans temperature (NTC), humidity, and setpoint potentiometers. The 12 I/O control relays or TRIAC drivers and LEDs. The internal oscillator and 1.5 KB Flash hold the proportional control loop and hysteresis logic. The industrial temp grade variant PIC16F506-I/MG supports plenum-mounted deployments.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F506-E/MG — 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 | PIC16F506-I/MG | PIC16F506T-I/MG | PIC16F505-E/MG | PIC16F526-I/MG |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 16-VFQFN Exposed Pad | 16-VFQFN Exposed Pad - same | 16-VFQFN Exposed Pad - same | 16-VFQFN Exposed Pad - same | 16-VFQFN Exposed Pad - same |
| Program Memory | 1.5 KB Flash | 1.5 KB Flash | 1.5 KB Flash | 1.5 KB Flash (PIC16F505 family) | 1.5 KB Flash |
| RAM | 67 B | 67 B | 67 B | 72 B | 67 B |
| I/O Pins | 12 | 12 | 12 | 12 | 12 |
| Max Clock | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Supply Voltage | 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 |
| Operating Temperature | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) |
| Internal Oscillator | 4/8/16 MHz | 4/8/16 MHz | 4/8/16 MHz | 4/8/16 MHz | 4/8/16 MHz |
| ADC | 8-bit | 8-bit | 8-bit | 8-bit | 8-bit (enhanced channels) |
Bảo phân biệt quan trọng
- Extended temperature grade for industrial/automotive under-hood use (vsPIC16F506-I/MG)
- Lowest-cost 8-bit PIC16 with same peripheral set (vsPIC16F15324)
- Internal selectable oscillator eliminates external crystal (vsPIC16F505-E/MG with external crystal)
Ghi chú thiết kế
The 16-VFQFN package exposes a thermal pad (EP) on the underside that serves as the primary heat-dissipation path. The exposed pad must be soldered to a copper plane on the PCB - leaving it unconnected dramatically reduces thermal performance and may violate the datasheet's theta_JA ratings. For typical 5 V / 20 MHz operation at 5 mA active current, dissipation is well under 30 mW, but designs mounted in enclosed fixtures should still tie the EP to a sufficient copper pour per IPC-2221.
Place the decoupling capacitor (100 nF X7R minimum, 1 uF recommended) within 3 mm of the Vdd pin with a direct trace to the EP ground pad. Avoid long power or ground traces on the top layer; use a continuous ground plane under the MCU. For ICSP programming, route the ICSPCLK and ICSPDAT lines with a 4.7 kohm pull-up to Vdd per Microchip programming specifications to ensure reliable field upgrades.
Do not connect unused I/O pins to ground or Vdd directly - configure them as outputs and leave them open, or set them as inputs with internal weak pull-ups enabled. The GP3 pin is input-only and cannot be configured as an output; if a design expects bidirectional behavior on this pin, review the pinout carefully. The MCLR/Vpp pin requires a 10 kohm pull-up to Vdd for normal operation; tie it directly to Vdd only if reset is not required.
Brown-out detection is highly recommended for battery-powered designs: enable the BOR module in the configuration word to force a clean reset when Vdd falls below threshold, preventing code execution from corrupted Flash. Estimated: at Vdd = 2.0 V and 4 MHz internal oscillator, active current is approximately 0.7 mA, dropping to microampere range in sleep - confirm via Microchip PIC16F506 datasheet DC characteristics table.
Thông tin tuân thủ
RoHS compliant and lead-free per Microchip product page. Not AEC-Q100 qualified - for automotive use, evaluate PIC16F1x family with AEC-Q100 grade.
