PIC16LF1507-I/SO - 8-bit MCU, 3.5KB Flash, 18 I/O, 10-bit ADC
MPN: PIC16LF1507-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.1 | $1.10 |
| 10 | $1.02 | $10.20 |
| 100 | $0.92 | $92.00 |
| 500 | $0.85 | $425.00 |
| 1,000 | $0.78 | $780.00 |
PIC16LF1507-I/SO Overview
A PIC (Peripheral Interface Controller) microcontroller is a compact single-chip computer built around a RISC core, integrating CPU, non-volatile Flash memory, RAM, and configurable peripherals such as ADC, timers, and communication interfaces. Within Microchip's portfolio, PIC MCUs occupy the 8-bit segment sitting between simple 8-bit MCUs and the higher-performance 16-bit dsPIC/PIC24 families; the PIC16F150x/PIC16LF150x series is the enhanced mid-range family offering CLC, NCO, and CWG peripherals for digital logic synthesis without external components. The 'LF' prefix designates the wide-voltage, low-power variant, while 'F' denotes Flash program memory.
Key features include 49-instruction enhanced mid-range core, 16-level hardware stack, internal 16 MHz oscillator, 128 B non-volatile data storage (EEPROM-like), 25 mA source/sink per I/O, and an integrated temperature indicator. The two CLC blocks let designers synthesize logic gates, flip-flops, and timing functions purely in firmware, while the CWG module generates complementary PWM outputs with dead-band control for power-switching stages.
Architecturally the part uses a Harvard RISC core with 14-bit-wide instructions and separate program/data buses, allowing single-cycle instruction execution (except branches). The 10-bit ADC has an acquisition channel count of 12 with internal voltage reference, and the device supports In-Circuit Serial Programming (ICSP) via two pins, enabling firmware updates after PCB assembly.
Typical applications include LED lighting controllers using CWG for constant-current regulation, consumer appliances with HMI buttons debounced by CLC, low-power battery sensor nodes, hobby/education boards, and IoT edge nodes where the 1.8V minimum supply enables direct Li coin-cell operation. Industrial use cases include small motor control and fan drivers leveraging the CWG complementary outputs.
When designing with this MCU, allocate the 18 available I/O carefully because RA0/RA1 share the ICSPDAT/ICSPCLK functions and must be re-mapped away from analog signals during programming. Choose the 'LF' variant only when sub-3V operation is mandatory - the standard PIC16F1507 otherwise offers identical peripherals at slightly lower cost for 3.3V/5V designs.
This page synthesizes distributor pricing, drop-in alternatives in the same 20-pin SOIC footprint, and practical design notes (CLC, CWG, ICSP) that are not aggregated on the manufacturer product page.
Drop-in alternatives for PIC16LF1507-I/SO — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16LF1507-I/SO (same form factor and footprint) — differing in Package, ADC, Core Architecture, Operating Temperature, Internal Oscillator.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF1507-E/SO
✅ Drop-In✓ In Stock
$0.55 / Unit
View Datasheet →PIC16LF1507-I/SS
✅ Drop-In✓ In Stock
$0.75 / Unit
View Datasheet →PIC16LF1507T-I/SO
✅ Drop-In✓ In Stock
$0.42 / Unit
View Datasheet →PIC16F1507-I/SO
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC16F1503-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1507-I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC enhanced mid-range (RISC, 14-bit instructions) |
| Program Memory (Flash) | 3.5 KB (2K x 14 words) |
| Data SRAM | 128 B |
| Non-volatile Data Storage | 128 B |
| I/O Pins | 18 |
| CPU Clock Speed | 20 MHz (max) |
| Internal Oscillator | 16 MHz (selectable HFINTOSC) |
| Supply Voltage | 1.8 V to 3.6 V |
| ADC | 10-bit, 12 channels |
| Configurable Logic Cell (CLC) | 2 blocks |
| Complementary Waveform Generator (CWG) | Yes |
| Numerically Controlled Oscillator (NCO) | Yes |
| Standalone PWM | 4x |
| Temperature Indicator | Yes (integrated) |
| Operating Temperature | -40C to +85C (Industrial, 'I' grade) |
| Package | 20-pin SOIC (SO, 7.50 mm body) |
| Mounting Type | Surface Mount (Gull-Wing) |
| RoHS Status | Compliant |
PIC16LF1507-I/SO Pin Configuration
| Pin 1 | RA0/ICSPDAT — Bidirectional I/O; ICSP data; analog channel AN0 |
| Pin 2 | RA1/ICSPCLK — Bidirectional I/O; ICSP clock; analog channel AN1 |
| Pin 3 | RA2 — Bidirectional I/O; analog channel AN2 |
| Pin 4 | RA3 — Bidirectional I/O; analog channel AN3; MCLR |
| Pin 5 | RA4 — Bidirectional I/O; analog channel AN4 |
| Pin 6 | RA5 — Bidirectional I/O; analog channel AN5 |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA6 — Bidirectional I/O |
| Pin 9 | RA7 — Bidirectional I/O |
| Pin 10 | RB0 — Bidirectional I/O; analog channel AN8 |
| Pin 11 | RB1 — Bidirectional I/O; analog channel AN9 |
| Pin 12 | RB2 — Bidirectional I/O; analog channel AN10 |
| Pin 13 | RB3 — Bidirectional I/O; analog channel AN11 |
| Pin 14 | RB4 — Bidirectional I/O |
| Pin 15 | RB5 — Bidirectional I/O |
| Pin 16 | RB6 — Bidirectional I/O; ICD PGC |
| Pin 17 | RB7 — Bidirectional I/O; ICD PGD |
| Pin 18 | VDD — Positive supply voltage (1.8V-3.6V) |
| Pin 19 | RC0 — Bidirectional I/O; analog channel AN12 |
| Pin 20 | RC1 — Bidirectional I/O; analog channel AN13 |
Typical Applications
PIC16LF1507-I/SO is suitable for 6 applications: LED Lighting Controller, Consumer Appliance HMI, Low-Power IoT Sensor Node, Small Motor / Fan Driver, Education / Maker Board, Battery Charger Front-End.
LED Lighting Controller
The PIC16LF1507-I/SO suits constant-current LED drivers because its Complementary Waveform Generator (CWG) produces complementary PWM outputs with programmable dead-band, eliminating shoot-through in MOSFET half-bridge LED dimmers. The 4x standalone PWM channels drive RGBW color mixing while the 12-ch 10-bit ADC reads photodiode feedback for closed-loop lumen control. Its 1.8V minimum supply enables direct Li-ion or USB-powered fixtures, and the 20 MHz CPU executes dimming math and CLC-debounced user input without external logic. Compared with a discrete PWM controller, integrating CWG/CLC saves a handful of 74HC logic gates, reducing BOM cost and improving EMI through synchronized edge timing.
Recommended
Consumer Appliance HMI
The PIC16LF1507-I/SO handles capacitive-touch button decoding, encoder input, and small LCD segment display driving in washing machines, microwaves, and coffee makers. The two Configurable Logic Cells (CLC) debounce mechanical switches and generate pulse sequences in hardware, freeing the CPU to run the appliance state machine. With 18 I/O and 25 mA source/sink capability, the device directly drives relay coils and buzzer transducers through small MOSFETs. The 1.8V-3.6V supply range lets the same PCB design serve battery and mains-powered SKUs after BOM swap, and the 20 MHz instruction throughput keeps latency below 50 ms for responsive UI feedback.
Recommended
Low-Power IoT Sensor Node
The PIC16LF1507-I/SO is well matched to coin-cell-powered wireless sensor nodes because its 'LF' silicon runs down to 1.8V from a single CR2032 cell, and Sleep current falls below 1 uA with the ADC off. The 12-channel 10-bit ADC multiplexes temperature, humidity, light, and battery-voltage sensors; the NCO module synthesizes accurate timing signals for sub-GHz radio handshakes without burdening the CPU. The integrated temperature indicator provides a secondary on-die sensor for thermal compensation. Compared with discrete op-amp sensor signal chains, the integrated ADC + NCO + CLC combination typically reduces quiescent drain by 40% and PCB area by 30% in published Microchip reference designs.
Recommended
Small Motor / Fan Driver
The PIC16LF1507-I/SO drives BLDC fans and small brushed motors through the Complementary Waveform Generator (CWG) outputs paired with external gate drivers. Closed-loop RPM control uses the ADC to read back-tach pulses or Hall sensor outputs, while the NCO generates precise commutation timing reference. With 49-instruction enhanced mid-range core executing at 20 MHz (50 ns/instruction), the device executes field-oriented-control or trapezoidal commutation algorithms with comfortable headroom. The industrial -40C to +85C temperature grade suits under-hood automotive auxiliary fans and outdoor PoE-powered exhaust fans alike.
Recommended
Education / Maker Board
The PIC16LF1507-I/SO is a strong teaching MCU because the 20-pin SOIC breadboard-friendly package, ICSP programming header, and MPLAB X + XC8 toolchain give students a low-cost entry point. The CLC, CWG, and NCO peripherals provide hands-on lab material for digital logic synthesis and waveform generation concepts typically taught with discrete 74HC logic. Course material from universities references this part for embedded-systems labs because the 3.5 KB Flash is large enough for real projects yet small enough to force good code-size discipline. The 'I' industrial temperature grade allows safe handling during soldering lab work.
Recommended
Battery Charger Front-End
The PIC16LF1507-I/SO implements CC/CV charge profiles for Li-ion, NiMH, and lead-acid batteries by reading voltage and current through its 10-bit ADC and modulating charge MOSFETs via CWG PWM. The wide 1.8V-3.6V supply lets the device run from a single Li-ion cell while still sensing up to 5V at the ADC inputs via internal scaling. The integrated temperature indicator plus an external thermistor input lets the firmware terminate charge outside safe thermal limits. In published Microchip application notes this architecture is shown to deliver +/-1% current-loop accuracy without dedicated analog controller ICs.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1507-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF1507-E/SO | PIC16LF1507-I/SS | PIC16LF1507T-I/SO | PIC16F1507-I/SO | PIC16F1503-I/SO |
|---|---|---|---|---|---|---|
| Package | 20-pin SOIC (SO) | 20-pin SOIC (SO) - same | 20-pin SSOP (SS) - smaller body | 20-pin SOIC (SO) - same | 20-pin SOIC (SO) - same | 20-pin SOIC (SO) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Supply 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 3.6 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| Flash Memory | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 2 KB |
| SRAM | 128 B | 128 B | 128 B | 128 B | 128 B | 128 B |
| I/O Pins | 18 | 18 | 18 | 18 | 18 | 18 |
| CPU Clock (max) | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| CLC / CWG / NCO | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | No / No / No |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
Key Differentiators
- Integrated CLC, CWG, and NCO peripherals on a 20-pin 8-bit MCU (vs PIC16F1503-I/SO)
- Wide-voltage 1.8V-3.6V supply for coin-cell operation (vs PIC16F1507-I/SO)
- Industrial temperature grade (-40C to +85C) at standard price (vs PIC16LF1507-E/SO)
Design Notes
Decouple VDD (pin 18) with a 100 nF X7R ceramic capacitor placed within 5 mm of the pin, plus a bulk 10 uF tantalum or aluminum-polymer capacitor near the supply entry. For battery-powered designs with VIN potentially dropping to 1.8 V, verify that the chosen bulk capacitor does not have excessive leakage that could drain the coin cell in long-storage conditions.
RA0/RA1 share the ICSPDAT/ICSPCLK functions. During in-circuit programming, both pins are temporarily driven by the programmer, which can disturb external analog circuits. Place any sensitive analog filter (e.g., op-amp output) at least 10 mm away from these pins, or add a series resistor to limit programming current injection. Per the Microchip datasheet 40001586D, leaving these pins as analog inputs is the most error-prone configuration.
For the SOIC-20 (SO) footprint, use a land pattern of 0.51 mm pad width and 1.27 mm pitch per IPC-7351 nominal. Add a 0.1 mm-wide solder mask dam between pads to prevent bridging during reflow. For the SSOP-20 alternative (PIC16LF1507-I/SS), the land pattern is 0.30 mm pad width and 0.65 mm pitch - do not interchange SOIC and SSOP footprints on the same PCB unless explicitly designed to accept both.
When using the CWG to drive external MOSFET half-bridges, place 100 ohm gate-series resistors within 3 mm of the MCU pin to dampen ringing caused by the MOSFET gate capacitance (~1-3 nF). The CWG dead-band control prevents shoot-through but does not eliminate PCB-trace coupling; route the high-side and low-side gate traces on opposite sides of the PCB or with a ground plane between them.
Compliance Information
RoHS and lead-free compliance per Microchip product page. AEC-Q100 automotive qualification is NOT available for this MPN - use PIC16F1507-I/SO automotive variants if AEC-Q100 is required.
