PIC16F570T-I/MV - 8-bit MCU 3KB Flash 28-Pin UQFN | Microchip
MPN: PIC16F570T-I/MV β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.95 | $2.95 |
| 10 | $2.66 | $26.60 |
| 100 | $2.37 | $237.00 |
| 500 | $2.12 | $1,060.00 |
| 1,000 | $1.89 | $1,890.00 |
| 3,000 | $1.65 | $4,950.00 |
PIC16F570T-I/MV Overview
An 8-bit microcontroller (MCU) is a compact programmable processor that combines a CPU, on-chip memory, and a fixed set of peripherals (ADC, timers, communications, analog) into a single device. Within the broader semiconductor taxonomy, MCUs sit under microcontrollers, then embedded processors, then logic/semiconductor devices. Microchip's PIC16 family targets cost-sensitive applications that need reliable 8-bit performance with deterministic interrupt response, and the PIC16F570 distinguishes itself by integrating true analog building blocks (op-amps and comparators) directly on-die.
Key features include 3 KB self-programmable flash (up to 100,000 erase/write cycles), 128 bytes of EEPROM, and a 25 I/O pin budget with high-current sink/source capability. The dual on-chip op-amps can be configured as buffers, amplifiers, or filters, while the two comparators share an internal 0.6 V/1.2 V/2.5 V reference. Eight MHz internal oscillator eliminates external crystals in cost-sensitive designs, and in-circuit serial programming (ICSP) allows in-field firmware updates.
Typical applications include industrial sensor conditioning loops, battery chargers, motor control front-ends, smart thermostats, low-end consumer appliances, and LED lighting controllers. The combination of integrated op-amps and comparators makes the PIC16F570T-I/MV particularly well-suited to closed-loop analog systems where PCB area and BOM cost matter more than raw CPU throughput.
When designing with this device, keep analog and digital grounds separated and meet at a single point near the IC to avoid noise coupling into the op-amp/comparator stages. Use the internal 8 MHz oscillator only when timing tolerance is non-critical, since factory trim accuracy is approximately +/- 1 percent at room temperature.
Drop-in alternatives for PIC16F570T-I/MV β 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 PIC16F570T-I/MV (same form factor and footprint) β differing in ADC, Comparators, Data EEPROM, Package, Program Memory (Flash).
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16F570-I/MV
β Drop-Inπ Reference alternative (not in catalog)
PIC16F570-E/MV
β Drop-Inπ Reference alternative (not in catalog)
PIC16F570T-I/SS
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$2.2 / Unit
View Datasheet βPIC16F570T-I/SO
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F570T-I/SP
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F570T-I/MV Maximum Ratings & Electrical Characteristics
| Architecture | 8-bit PIC16 Harvard RISC |
| Program Memory (Flash) | 3 KB |
| RAM | 64 bytes |
| Data EEPROM | 128 bytes |
| Data Memory (RAM) | 64 bytes |
| Maximum CPU Speed | 20 MHz (8 MIPS at 20 MHz) |
| Operating Voltage Range | 2.0 V to 5.5 V |
| Internal Oscillator | 8 MHz (factory calibrated) |
| Number of I/O Pins | 25 (high-current sink/source) |
| ADC | 8-channel, 8-bit |
| Integrated Operational Amplifiers | 2 (configurable) |
| Comparators | 2 with selectable internal reference |
| Timers | 2x 8-bit / 1x 16-bit (Timer0/1/2) |
| Watchdog Timer | Yes (software enabled) |
| Program Memory Endurance | 100,000 erase/write cycles (typical) |
| In-Circuit Programming | ICSP (In-Circuit Serial Programming) |
| Operating Temperature Range | -40 C to +85 C (Industrial) |
| Package | 28-pin UQFN (MV), 4x4 mm with exposed pad |
| RoHS Status | Compliant |
PIC16F570T-I/MV Pin Configuration
| Pin 1 | RA0/AN0 β Bidirectional I/O / Analog channel 0 / CVREF |
| Pin 2 | RA1/AN1 β Bidirectional I/O / Analog channel 1 |
| Pin 3 | RA2/AN2 β Bidirectional I/O / Analog channel 2 |
| Pin 4 | RA3/AN3 β Bidirectional I/O / Analog channel 3 / VREF+ |
| Pin 5 | RA4/AN4 β Bidirectional I/O / Analog channel 4 |
| Pin 6 | RA5/AN5 β Bidirectional I/O / Analog channel 5 |
| Pin 7 | RA6/OSC2 β Bidirectional I/O / Oscillator output |
| Pin 8 | RA7/OSC1 β Bidirectional I/O / Oscillator input |
| Pin 9 | VSS β Ground reference |
| Pin 10 | VDD β Positive supply (2.0 V to 5.5 V) |
| Pin 11 | RB0/INT β Bidirectional I/O / External interrupt |
| Pin 12 | RB1 β Bidirectional I/O |
| Pin 13 | RB2 β Bidirectional I/O |
| Pin 14 | RB3 β Bidirectional I/O / ICSP programming clock |
| Pin 15 | RB4 β Bidirectional I/O / ICSP programming data |
| Pin 16 | RB5 β Bidirectional I/O |
| Pin 17 | RB6 β Bidirectional I/O |
| Pin 18 | RB7 β Bidirectional I/O |
| Pin 19 | RC0/AN6 β Bidirectional I/O / Analog channel 6 |
| Pin 20 | RC1/AN7 β Bidirectional I/O / Analog channel 7 |
| Pin 21 | RC2 β Bidirectional I/O |
| Pin 22 | RC3 β Bidirectional I/O |
| Pin 23 | RC4 β Bidirectional I/O |
| Pin 24 | RC5 β Bidirectional I/O |
| Pin 25 | RC6 β Bidirectional I/O |
| Pin 26 | RC7 β Bidirectional I/O |
| Pin 27 | VSS β Ground (duplicate pin, recommended for layout) |
| Pin 28 | VDD β Positive supply (duplicate pin, recommended for layout) |
Typical Applications
PIC16F570T-I/MV is suitable for 6 applications: Industrial Sensor Signal Conditioning, Battery Chargers (Lead-Acid / Li-Ion), Smart Thermostats and HVAC Controls, LED Lighting Controllers and Dimmers, Low-End Consumer Appliance Control, Portable Battery-Powered Instruments.
Industrial Sensor Signal Conditioning
The PIC16F570T-I/MV's two on-chip op-amps, two comparators, and 8-channel 8-bit ADC allow a single chip to condition a thermocouple or thermistor bridge, digitize the result, and drive a load driver - replacing what would otherwise require two op-amp ICs plus a discrete MCU. With 3 KB flash and 64 bytes RAM, firmware fits comfortably for PID loops or simple hysteresis control. Operating from 2.0 V to 5.5 V on internal 8 MHz oscillator, the part simplifies factory-floor sensor modules that must start immediately on power-up with no external components.
Recommended
Battery Chargers (Lead-Acid / Li-Ion)
Charging algorithms for small lead-acid or Li-Ion packs rely on voltage and current comparators, plus a programmable timer to terminate charging. The PIC16F570T-I/MV's two comparators (with internal 0.6 V / 1.2 V / 2.5 V reference) and 16-bit Timer1 provide exactly this infrastructure without external trip-circuit ICs. The wide 2.0 V to 5.5 V supply range tolerates USB, wall-adapter, or solar input. EEPROM storage (128 bytes) preserves charge-cycle counters across power cycles, and the 25 mA sink-source capability drives status LEDs and optocouplers directly.
Recommended
Smart Thermostats and HVAC Controls
An 8-bit MCU is well-matched to thermostat duty cycles that sample temperature every few seconds, run a bang-bang or PID algorithm, and toggle relays. The PIC16F570T-I/MV's 8-channel ADC reads multiple thermistor inputs (room, outdoor, coil), and its on-chip op-amps buffer high-impedance temperature sensors without external analog components. The 25 I/O pins control a 5x7-segment or character LCD, pushbuttons, the HVAC relay, and a fan-speed triac. Operating at 8 MIPS from 2.0 V to 5.5 V, it runs on two AA cells with a 32 kHz real-time clock.
Recommended
LED Lighting Controllers and Dimmers
LED dimming requires both analog (sensed current for constant-current regulation) and digital (PWM or I2C-controlled brightness) channels; the PIC16F570T-I/MV integrates both. The two on-chip op-amps can sense load current via a sense resistor, while Timer2's PWM output drives the MOSFET gate at up to several hundred kHz. With 25 I/O and 25 mA sink/source per pin, status LED arrays and key-cap backlights are driven directly. Flash-based ICSP also enables in-field firmware upgrades to add new dimming protocols (0-10 V, DALI, ZigBee) without hardware rework.
Recommended
Low-End Consumer Appliance Control
Coffee makers, blenders, slow cookers, and similar white-goods appliances need a single MCU that can read a few buttons, drive a seven-segment display, time a process, and PWM-control a heater or motor - none of which requires more than 3 KB firmware. The PIC16F570T-I/MV's integrated analog (op-amps + comparators + ADC) lets designers monitor NTC temperature probes without an external analog front-end, while EEPROM retains the last-used settings across mains power loss. Industrial -40 C to +85 C rating survives the kitchen-equipment environment.
Recommended
Portable Battery-Powered Instruments
The PIC16F570T-I/MV's 2.0 V to 5.5 V operating range makes it ideal for two-cell AA / AAA or single-cell Li-Ion handheld tools like multimeters, IR thermometers, or pH meters. Low-power sleep modes (down to a few uA when peripherals are gated) stretch battery life, and the internal 8 MHz oscillator eliminates the crystal that would otherwise dominate the BOM. The 8-bit ADC reads sensor inputs while the comparators handle threshold detection (battery-low, over-temperature) without CPU load, freeing the 8 MIPS core to run the human-interface firmware.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F570T-I/MV β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F570-I/MV | PIC16F570-E/MV | PIC16F570T-I/SS |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | UQFN-28 (MV) | UQFN-28 (MV) - same | UQFN-28 (MV) - same | SSOP-28 (SS) - different |
| Architecture | PIC16 8-bit | PIC16 8-bit | PIC16 8-bit | PIC16 8-bit |
| Flash Memory | 3 KB | 3 KB | 3 KB | 3 KB |
| RAM | 64 bytes | 64 bytes | 64 bytes | 64 bytes |
| EEPROM | 128 bytes | 128 bytes | 128 bytes | 128 bytes |
| Integrated Op-Amps | 2 | 2 | 2 | 2 |
| Comparators | 2 | 2 | 2 | 2 |
| ADC | 8 ch x 8-bit | 8 ch x 8-bit | 8 ch x 8-bit | 8 ch x 8-bit |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C |
| Operating 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 |
| I/O Pin Count | 25 | 25 | 25 | 25 |
Key Differentiators
- On-chip analog engine (2 op-amps + 2 comparators + 8-ch 8-bit ADC) (vs PIC16F506T-I/MG)
- 128 bytes of integrated EEPROM for non-volatile parameter storage (vs PIC12F529T-I/MC)
- 25 I/O pins with 25 mA sink/source capability (vs PIC16F570T-I/SP (SPDIP-28))
Design Notes
Estimated: For 28-pin UQFN layout, fan out the 0.4 mm-pitch perimeter pads with short, equal-length traces to maintain assembly yield. Tie both VDD pins (10, 28) and both VSS pins (9, 27) with wide copper pours and stitch VDD/VSS planes underneath; the exposed thermal pad must be soldered down (preferably to GND) for mechanical rigidity and to dissipate the I/O driver current. Place a 100 nF decoupling cap within 3 mm of each VDD pin and a bulk 4.7 uF within 10 mm. Avoid routing the ICSP RB3/RB4 signals near high-current traces or analog op-amp outputs to prevent programming noise coupling.
Do not assume the internal 8 MHz oscillator is accurate enough for UART or I2C communications - factory trim is approximately +/- 1 percent at room temperature but drifts with temperature and VDD. For any baud-rate-critical design, add an external 20 MHz crystal or switch to the PIC16F1938 family which offers better analog. Also, the on-chip op-amps have a limited input common-mode range (typically 0 V to VDD - 1.4 V at 5 V supply) - rail-to-rail input is not supported; buffer external signals with an MCP6002 if needed.
Keep analog traces (AN0-AN7, op-amp inputs, comparator references) away from RB0-RB7 digital I/O switching lines by at least 2x the trace-to-trace gap to prevent digital noise injection into the ADC. Reference the digital and analog grounds to a single point near the IC's GND pin. The PIC16F570 datasheet section 11 specifies an analog input RC filter (typically 1 kohm + 100 pF) for ADC channels driving high-impedance sources, which is critical when reading thermistors.
Compliance Information
RoHS and REACH compliant per Microchip product page; standard part is not AEC-Q100 qualified - choose PIC16F570-E/MV (Extended temperature, -40 C to +125 C) for harsh industrial environments. Halogen-free per Microchip environmental reporting.
