PIC12F1572T-I/MF - 8-bit MCU 32MHz 3.5KB Flash 8-DFN | Microchip
MPN: PIC12F1572T-I/MF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.98 | $0.98 |
| 10 | $0.91 | $9.10 |
| 100 | $0.83 | $83.00 |
| 500 | $0.76 | $380.00 |
| 1,000 | $0.7 | $700.00 |
| 3,300 | $0.63 | $2,079.00 |
PIC12F1572T-I/MF Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (typically Flash), working RAM, and a set of on-chip peripherals such as timers, ADC, comparators, PWM modules, and communication interfaces. The PIC12F1572 belongs to Microchip's PIC12 mid-range core family, which sits within the broader hierarchy 8-bit PIC -> mid-range core -> RISC MCU -> microcontroller -> semiconductor. The device is built on a CMOS process and integrates three independent 16-bit PWM channels with complementary waveform generation, which is uncommon in an 8-pin package.
Key features include three 16-bit PWMs with independent timers, a 5-bit DAC, comparators, ADC, and Core Independent Peripherals (CIPs) that offload timing-critical logic from the CPU. The wide 2.5 V to 5.5 V supply range supports both 3.3 V and 5 V rails. The 8-DFN package gives a compact 3x3 mm footprint suitable for high-density designs and offers better thermal performance than equivalent leaded 8-pin parts.
Architecturally, the device combines the standard PIC mid-range 14-bit instruction set with configurable logic cells and PWM steering to drive half-bridges and full-bridges for LED lighting, motor control, and switched-mode power supply applications. The high-resolution 16-bit PWMs are particularly useful where analog filter sizing or audible PWM noise is a concern.
Typical applications include LED lighting color mixing and dimming, stepper motor and brushed DC motor control, digital power conversion, IoT edge nodes, and consumer electronics. The high PWM resolution also suits haptic drivers and Class-D audio amplifiers where PWM noise floor must be minimized.
When designing with this MCU, ensure the 8-DFN exposed pad is soldered to a sufficient copper pour for thermal dissipation and ground return. Program and debug via the in-circuit serial programming (ICSP) interface with the PICkit or MPLAB Snap programmer.
This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes that complement the manufacturer datasheet and gives engineers a single decision-ready reference.
Drop-in alternatives for PIC12F1572T-I/MF — 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 PIC12F1572T-I/MF (same form factor and footprint) — differing in Package, I/O Pins, ADC, Comparators, DAC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC12F1572-I/MF
✅ Drop-In✓ In Stock
$0.85 / Unit
View Datasheet →PIC12F1572-E/MF
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →PIC12F1571T-I/MF
✅ Drop-In✓ In Stock
$0.65 / Unit
View Datasheet →PIC12F1501T-I/MU
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.74 / Unit
View Datasheet →PIC12F1572T-I/MF Maximum Ratings & Electrical Characteristics
| Core | PIC 8-bit mid-range RISC |
| Program Memory | 3.5 KB (2K x 14) Flash |
| RAM | 256 bytes |
| Maximum CPU Frequency | 32 MHz |
| Supply Voltage Range | 2.5 V to 5.5 V |
| Operating Temperature Range | -40C to +85C (industrial, I) |
| I/O Pins | 6 (of 8 package pins) |
| 16-bit PWM Channels | 3 (independent timers) |
| DAC | 5-bit |
| Comparators | Yes |
| Package | 8-pin DFN (3x3 mm) with exposed pad (MF) |
| Mounting Type | Surface Mount |
| MSL Level | 1 |
| RoHS Status | Compliant |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
PIC12F1572T-I/MF Pin Configuration
| Pin 1 | VDD — Positive supply voltage (2.5V to 5.5V) |
| Pin 2 | RA5/PWM2/ICSPDAT/CLC1IN1 — Digital I/O, PWM2 output, ICSP data, CLC input 1 |
| Pin 3 | RA4/PWM1/AN3/CWG1B — Digital I/O, PWM1 output, ADC input 3, CWG complementary output B |
| Pin 4 | RA3/MCLR/VPP — Digital I/O input only, Master Clear reset, programming high voltage |
| Pin 5 | RA2/PWM0/AN2/CWG1A — Digital I/O, PWM0 output, ADC input 2, CWG output A |
| Pin 6 | RA1/ICSPCLK/CLC1OUT — Digital I/O, ICSP clock, CLC output |
| Pin 7 | RA0/PWM2/CWG1IN — Digital I/O, PWM2 output, CWG input |
| Pin 8 | VSS — Ground reference |
Typical Applications
PIC12F1572T-I/MF is suitable for 6 applications: High-Resolution LED Lighting & Dimming, Stepper Motor & Brushed DC Motor Control, Digital Switching Power Supply (SMPS) Control, IoT Edge Node & Sensor Conditioning, Haptic Driver & Class-D Audio Amplifier, Consumer Electronics & Toy Controllers.
High-Resolution LED Lighting & Dimming
The PIC12F1572T-I/MF is well matched to high-end LED lighting and color-mixing applications. Its three independent 16-bit PWM channels provide 16 ns edge resolution at 32 MHz - far finer than the 10-bit PWM typical of competing 8-pin MCUs - which eliminates audible PWM whine and produces flicker-free dimming below 1% duty cycle. The on-chip 5-bit DAC and Core Independent Peripherals let you mix RGB or RGBW channels without CPU intervention, freeing the mid-range core to handle serial-protocol updates like DMX, DALI, or BLE-mesh commands. The 2.5-5.5 V supply accommodates direct battery or USB-bus powered LED driver rails, and the 8-DFN 3x3 mm footprint drops onto LED PCB modules. Combined with a TI TPS61169 boost driver and a single MOSFET current sink, the PIC12F1572T-I/MF delivers a complete high-fidelity LED dimming solution.
Recommended
Stepper Motor & Brushed DC Motor Control
Use the PIC12F1572T-I/MF to drive a bipolar stepper or brushed DC motor via an external H-bridge. The three 16-bit PWMs deliver microstep-capable waveforms with up to 65,536 steps per electrical cycle, eliminating the audible torque ripple common with 8 or 10-bit PWM controllers. The 32 MHz CPU and CWG (Complementary Waveform Generator) let the MCU synthesize center-aligned complementary outputs with programmable dead-band, so the H-bridge sees proper shoot-through protection. The 2.5-5.5 V supply matches battery (Li-Ion) and 3.3 V logic motor-driver rails. The integrated 5-bit DAC generates the VREF setpoint for the H-bridge current-sense loop, simplifying the bill of materials. With Microchip's free MPLAB X IDE and the PICkit 5, you can step through microstepping profiles in-circuit for fast bring-up.
Recommended
Digital Switching Power Supply (SMPS) Control
The PIC12F1572T-I/MF is suitable as the digital controller for low-to-medium power switched-mode power supplies up to ~100 W. The 16-bit PWMs deliver sub-microsecond resolution duty-cycle control, while the configurable logic cells and comparators close the feedback loop in hardware - reducing jitter and freeing the 8-bit CPU for housekeeping (OVP/UVP, telemetry, PMBus-style communication). The on-chip 5-bit DAC sets the reference, and the 10-bit ADC (per datasheet DS40001723D) reads the feedback divider. The wide 2.5-5.5 V supply tolerates VCC rail swings during startup. Pair the PIC12F1572T-I/MF with a UCC25640 LLC controller companion (or use it as the only controller for a flyback) to build a fully programmable digital SMPS with adaptive dead-time and soft-start.
Recommended
IoT Edge Node & Sensor Conditioning
The PIC12F1572T-I/MF serves as an ultra-compact IoT sensor-front-end MCU. Three 16-bit PWMs can drive LED indicators, IR-LED bias, or sensor excitation; the 5-bit DAC and comparators handle analog signal conditioning before the on-chip ADC. The 32 MHz CPU runs Modbus-RTU, LIN, or simple BLE-beacon protocols on the same UART pins. The 2.5-5.5 V supply accepts 3.3 V LDO or single-cell Li-Ion rails directly. At 85 uA/MHz typical active current (32 MHz), the part is efficient enough for battery-powered sensor nodes that spend most of the time in sleep. The 8-DFN 3x3 mm footprint is the smallest in the PIC12F family, fitting sensor modules under 10x10 mm. Pair with the Microchip MCP9808 temperature sensor or MCP3421 18-bit ADC for precision analog front-end data acquisition.
Recommended
Haptic Driver & Class-D Audio Amplifier
The PIC12F1572T-I/MF's high-resolution 16-bit PWMs are excellent for haptic feedback and Class-D audio amplifier front-ends. The 16-bit PWM resolution pushes PWM-induced noise floor outside the audible band (>20 kHz), while the three independent PWMs allow generation of stereo differential audio or haptic LRA waveforms with low-pass filtering. The on-chip comparators provide over-current protection feedback to shut down the output stage within microseconds. The wide 2.5-5.5 V supply accepts both 3.3 V logic and 5 V analog rails. The integrated 5-bit DAC lets the MCU synthesize audio test tones for self-test routines at power-up. Pair the PIC12F1572T-I/MF with a TI TPA2005D1 Class-D amplifier and an LRA haptic actuator for a compact haptic-audio module.
Recommended
Consumer Electronics & Toy Controllers
The PIC12F1572T-I/MF is well suited for cost-sensitive consumer and toy control applications where high-resolution PWM adds value. The 16-bit PWMs enable smooth servo control in toy robots, smooth LED dimming in consumer appliances, and silent fan speed control. The on-chip comparators and 5-bit DAC simplify analog sensor interfaces. The 2.5-5.5 V supply covers single-cell Li-Ion and 2xAA alkaline designs. The 8-DFN 3x3 mm footprint fits inside the smallest toys. With Microchip's code-protected Flash and an available -40C to +85C industrial rating, the device handles consumer environmental conditions. Pair the PIC12F1572T-I/MF with a TI DRV8870 brushed DC driver or a discrete MOSFET H-bridge for a complete hobby-servo controller.
Recommended
Recommended Products Summary
Engineering reference data for PIC12F1572T-I/MF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC12F1572-I/MF | PIC12F1572-E/MF | PIC12F1571T-I/MF | PIC12F1501T-I/MU |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-DFN (3x3 mm, MF) | 8-DFN (3x3 mm, MF) - same | 8-DFN (3x3 mm, MF) - same | 8-DFN (3x3 mm, MF) - same | 8-uDFN (2x3 mm, MU) - smaller |
| Flash Program Memory | 3.5 KB (2K x 14) | 3.5 KB | 3.5 KB | 1.75 KB (-50%) | 1.75 KB (-50%) |
| RAM | 256 bytes | 256 bytes | 256 bytes | 128 bytes (-50%) | 128 bytes (-50%) |
| Maximum CPU Frequency | 32 MHz (8 MIPS) | 32 MHz | 32 MHz | 32 MHz | 16 MHz (-50%) |
| 16-bit PWM Channels | 3 | 3 | 3 | 3 | 2 (-33%) |
| Operating Temperature Range | -40C to +85C (I) | -40C to +85C | -40C to +125C (extended) | -40C to +85C | -40C to +85C |
| Supply Voltage Range | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| On-chip DAC | 5-bit | 5-bit | 5-bit | 5-bit | No DAC |
| Approx. Unit Price (qty 1, USD) | $0.98 | $0.92 (no T&R) | $1.10 | $0.89 | $0.78 |
Key Differentiators
- Highest PWM resolution in an 8-pin PIC (vs PIC12F1501T-I/MU)
- More Flash and RAM than PIC12F1571 sibling (vs PIC12F1571T-I/MF)
- Extended temperature option available (vs PIC12F1572-I/MF (industrial -40C to +85C))
Design Notes
The 8-DFN (3x3 mm) exposed thermal pad MUST be soldered to a ground-connected copper pour of at least 10x10 mm to provide the primary heat-dissipation path. Without proper pad soldering, junction-to-ambient thermal resistance can rise above 200 C/W, leading to thermal shutdown when driving high-current loads or operating near 85C ambient. Estimated: with 10x10 mm 1 oz copper pour, theta_JA is approximately 80 C/W, supporting ~250 mW dissipation at +85C ambient.
Place the 0.1 uF VDD decoupling capacitor as close as possible to pin 1 (VDD), with the ground return connected directly to pin 8 (VSS) and the exposed pad. Keep the ICSP signal traces (ICSPCLK on RA1, ICSPDAT on RA5) routed together to the programming header with no series resistors; the on-chip weak pull-ups on ICSPCLK are sufficient. Maintain at least 0.2 mm clearance between the ICSP traces and any switching node to avoid false programming or debug failures.
Do NOT leave the MCLR pin floating - even though the on-chip pull-up is present, external EMI can reset the MCU unexpectedly. Place a 10 kOhm pull-up to VDD and a 100 nF cap to VSS on MCLR (RA3) if it is not used in-circuit. When using the 16-bit PWMs with the CWG, configure the rising-edge dead-band BEFORE the CWG is enabled, otherwise the first PWM cycle may produce shoot-through in your external H-bridge.
Keep analog signals (AN2, AN3, comparators) routed on a single layer and away from PWM switching traces; place a ground guard ring around sensitive analog pins. If you use the on-chip 5-bit DAC, buffer its output with a low-offset op-amp (such as MCP6001) before feeding it to the load - the DAC output impedance is high and will be loaded by the input impedance of subsequent stages.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - check PIC16F family for automotive-grade equivalents. Lead-free and halogen-free per Microchip environmental policy.
