PIC16F527T-I/ML - 8-bit 20MHz Flash MCU w/ ADC & Op Amps | Microchip
Référence : PIC16F527T-I/ML ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $1.85 | $1,85 |
| 10 | $1.62 | $16,20 |
| 100 | $1.34 | $134,00 |
| 500 | $1.08 | $540,00 |
| 1 000 | $0.92 | $920,00 |
| 3 000 | $0.78 | $2 340,00 |
PIC16F527T-I/ML Présentation
What is a PIC16 microcontroller? A PIC16 microcontroller is a member of Microchip's mid-range 8-bit RISC MCU family built on a Harvard architecture. It belongs to the broader class of microcontrollers (MCU -> embedded controller -> semiconductor IC) and is widely used in cost-sensitive analog-intensive embedded designs where integrated op amps, comparators, and ADC reduce the external bill of materials.
Key features of the PIC16F527T-I/ML include a 20MHz internal/external oscillator block, 1.5KB flash / 80 bytes RAM / 64 bytes EEPROM data, 14 I/O pins, an 8-channel 8-bit ADC, two operational amplifiers, two comparators with programmable reference, and an internal 4MHz RC oscillator. The device is also equipped with an enhanced low-power wake-up (WDT) and a hardware Universal Asynchronous Receiver-Transmitter (UART/SPI/I2C capable depending on peripheral map).
The architecture uses a 14-bit instruction word with a single-cycle ALU, enabling deterministic throughput for closed-loop analog control. On-chip peripherals are accessed via a peripheral pin select (PPS) scheme in similar PIC16 parts, while the integrated dual op amps and comparators allow direct conditioning of analog signals such as sensor bridges or thermistor networks before ADC sampling.
Typical applications include sensor signal conditioning, battery-powered IoT nodes, white-goods and appliance controls, lighting ballast control, smoke and gas detector front-ends, and small motor control loops. The integrated analog front end is particularly useful in optical modules, PIR motion detectors, and capacitive touch interfaces where PCB area is constrained.
When designing with this device, allocate the exposed pad of the QFN package to a continuous ground plane for thermal dissipation and electrical performance; failure to solder the EP will degrade thermal behavior and may violate reliability budgets at high CPU loads. Brown-out and watchdog timer configuration must be set in CONFIG words at programming time.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the bare manufacturer datasheet, giving engineers a faster path from selection to prototype.
Alternatives de remplacement direct pour PIC16F527T-I/ML — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC16F527T-I/ML (même facteur de forme et même empreinte) — différant par ADC, Package, Core Architecture, Operating Temperature, Operational Amplifiers.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16F527T-I/JP
✅ Remplacement direct✓ En stock
$1.05 / unité
Voir la fiche technique →PIC16F527-I/ML
✅ Remplacement direct✓ En stock
$1.05 / unité
Voir la fiche technique →PIC16F527-I/GZ
✅ Remplacement direct✓ En stock
$0.48 / unité
Voir la fiche technique →PIC16F527T-I/SO
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC16F527-E/ML
✅ Remplacement direct✓ En stock
$0.69 / unité
Voir la fiche technique →PIC16F527-E/JP
✅ Remplacement direct✓ En stock
$0.66 / unité
Voir la fiche technique →PIC16F527T-I/ML Valeurs maximales et caractéristiques électriques
| Core Architecture | 8-bit PIC16 RISC |
| Instruction Set | 14-bit mid-range |
| Max CPU Frequency | 20 MHz |
| Program Memory (Flash) | 1.5 KB (1K x 12) |
| RAM | 80 B |
| EEPROM Data Memory | 64 B |
| I/O Pins | 14 |
| ADC | 8-bit, 8-channel |
| Operational Amplifiers | 2 (on-chip) |
| Comparators | 2 |
| Tension d'alimentation | 2.0 V to 5.5 V (2.5V/3.3V/5V rails) |
| Température de fonctionnement | -40 C to +85 C (Industrial, 'I' suffix) |
| Boîtier | 20-pin QFN-EP (4x4 mm) with exposed pad |
| Type de montage | Surface Mount |
| Statut RoHS | Compliant |
Configuration des broches de PIC16F527T-I/ML
| Broche 1 | RA0/AN0 — GPIO RA0 / ADC channel 0 |
| Broche 2 | RA1/AN1 — GPIO RA1 / ADC channel 1 |
| Broche 3 | RA2/AN2 — GPIO RA2 / ADC channel 2 |
| Broche 4 | RA3/AN3 — GPIO RA3 / ADC channel 3 |
| Broche 5 | RA4/AN4 — GPIO RA4 / ADC channel 4 |
| Broche 6 | RA5/AN5 — GPIO RA5 / ADC channel 5 |
| Broche 7 | VDD — Positive supply voltage |
| Broche 8 | VSS — Ground reference |
| Broche 9 | RB0/AN6 — GPIO RB0 / ADC channel 6 |
| Broche 10 | RB1/AN7 — GPIO RB1 / ADC channel 7 |
| Broche 11 | RB2 — GPIO RB2 |
| Broche 12 | RB3 — GPIO RB3 |
| Broche 13 | RB4 — GPIO RB4 |
| Broche 14 | RB5 — GPIO RB5 |
| Broche 15 | RB6 — GPIO RB6 |
| Broche 16 | RB7 — GPIO RB7 |
| Broche 17 | MCLR — Master clear reset (active low) |
| Broche 18 | OSC1/CLKIN — Oscillator input / external clock in |
| Broche 19 | OSC2/CLKOUT — Oscillator output |
| Broche 20 | EP — Exposed thermal/ground pad (must be soldered to ground) |
Applications typiques
PIC16F527T-I/ML convient pour 7 applications: Sensor Signal Conditioning Front-End, Battery-Powered IoT Edge Node, White-Goods / Appliance Control, Smoke / Gas Detector Front-End, LED Lighting Ballast & Dimmer, Capacitive Touch User Interface, Small DC Motor Speed Control.
Sensor Signal Conditioning Front-End
The PIC16F527T-I/ML's integrated dual operational amplifiers and 8-bit 8-channel ADC allow direct conditioning of bridge sensors, thermistor dividers, and photodiode transimpedance stages without external op amps. Placed between the sensor and the ADC MUX, the on-chip op amps amplify microvolt-level signals and the comparators drive hysteresis for clean digital thresholds. Compared to discrete solutions, this saves roughly 2-3 op amp ICs and ~20 mm^2 of PCB area while keeping the BOM under USD 2.
Recommandé
Battery-Powered IoT Edge Node
The PIC16F527T-I/ML's 2.0-5.5 V supply range and low-power sleep modes suit coin-cell and 2xAA battery applications. Brown-out reset and watchdog timer maintain reliable operation across discharge curves, and the 14 I/O pins drive sensors, an LED indicator, and a low-power RF wake-up path. With 1.5 KB flash and 80 B RAM, the firmware handles periodic sensor sampling, local thresholding, and an interrupt-driven TX enable line for sub-GHz or BLE modules.
Recommandé
White-Goods / Appliance Control
The PIC16F527T-I/ML is well suited to washing machine, dishwasher, and small appliance control boards that need motor triac drive signals, keypad scanning, and temperature sensing in a compact QFN-20 footprint. Its two comparators detect zero-cross for triac phase control and the 8-channel ADC reads NTC sensors across the appliance; the integrated op amp can amplify current-sense shunt signals. Industrial -40 to +85 C operation tolerates the appliance thermal environment.
Recommandé
Smoke / Gas Detector Front-End
The PIC16F527T-I/ML's on-chip comparators and op amps condition the photoelectric or electrochemical sensor signal directly. The internal ADC reads the conditioned signal at 8-bit resolution while a second comparator monitors battery voltage and chirps a piezo buzzer via PWM. The 20 MHz instruction rate handles moving-average filtering of the sensor stream and low-battery test pulses without external DSP parts.
Recommandé
LED Lighting Ballast & Dimmer
The PIC16F527T-I/ML can host a 0-10 V dimming controller or DALI-like digital dim interface in commercial LED drivers. Its comparators detect AC line zero-cross for TRIAC dimmer compatibility, and the ADC reads the 0-10 V analog dim signal or photocell feedback for daylight harvesting. The integrated op amp drives MOSFET gate bias or a constant-current sense amplifier, eliminating an external part compared to discrete MCU + op amp designs.
Recommandé
Capacitive Touch User Interface
The PIC16F527T-I/ML's 14 I/O pins and mTouch-capable peripheral set can implement capacitive touch buttons or a small slider for user interfaces on appliances, toys, and consumer devices. The on-chip ADC measures charge-time variations on the touch electrodes, and the integrated op amp helps filter noise. Compared to dedicated touch ICs, this approach lets the same MCU handle logic, LED indication, and touch in a single QFN-20 package.
Recommandé
Small DC Motor Speed Control
The PIC16F527T-I/ML can implement closed-loop PWM speed control of small brushed DC motors in fans, pumps, and toys. Its 20 MHz clock supports a 10 kHz PWM with 10-bit equivalent duty resolution, and the ADC reads back-EMF or shunt current through the integrated op amp for closed-loop regulation. The 2.0-5.5 V supply lets the MCU share the motor's 3.3 V or 5 V rail without an extra LDO.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16F527T-I/ML — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16F527T-I/JP | PIC16F527-I/ML | PIC16F527-I/GZ | PIC16F527T-I/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin QFN-EP (4x4 mm) | 20-pin QFN-EP (4x4 mm) - same | 20-pin QFN-EP (4x4 mm) - same | 20-pin QFN-EP (4x4 mm) - same | 20-pin SOIC-20 (different footprint) |
| Flash Memory | 1.5 KB | 1.5 KB | 1.5 KB | 1.5 KB | 1.5 KB |
| RAM | 80 B | 80 B | 80 B | 80 B | 80 B |
| Max CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C (Extended) | |
| Packaging Form | Tape & Reel | Tape & Reel | Tray | Tape & Reel |
Principaux différenciateurs
- Lowest-cost 20-pin PIC with integrated dual op amps and comparators (vs PIC16F1827-I/MV)
- Industrial temperature range variant drop-in interchangeable (vs PIC16F527-E/ML)
- Same die across QFN and SOIC packages for layout flexibility (vs PIC16F527T-I/SO)
Notes de conception
Estimated: the QFN-20 4x4 mm package exposes a thermal pad that must be soldered to a continuous ground plane with multiple thermal vias to the inner PCB layers. Omitting the EP connection will reduce the effective theta_JA by 30-40% and may trigger thermal limiting under sustained 20 MHz CPU load with all I/O switching. Place at least 4 thermal vias (0.3 mm drill) directly under the EP into a 1 oz inner copper pour.
Place the 0.1 uF VDD decoupling capacitor within 3 mm of pin 7 with a short, wide trace; add a 10 uF bulk capacitor on the same supply rail if the analog op amps drive low-impedance loads. The ADC accuracy depends on clean VDD - route noisy digital traces away from the analog AN0-AN7 pins and consider a guard ring around sensitive analog traces.
Brown-out reset (BOR) and watchdog timer (WDT) must be configured in the CONFIG words at programming time; leaving them disabled can cause undefined behavior during supply brown-outs in battery-powered designs. The MCLR pin (pin 8) requires a pull-up to VDD for normal operation - do not leave it floating. Also confirm ICSP programming pin assignments (RB6/RB7) are not permanently driven by external hardware during in-circuit programming.
Keep analog op amp output traces short and routed over a continuous ground plane; the on-chip comparators share analog ground with the ADC. For capacitive touch designs, route the touch electrodes as short guarded traces and add a ground flood around them. The PIC16F527T-I/ML does not include PPS, so peripheral-to-pin mapping is fixed per the datasheet pinout table.
Informations de conformité
RoHS compliant and lead-free per Microchip product page. Not AEC-Q100 qualified - this is a general-purpose MCU, not automotive grade. REACH and conflict-minerals statements published on Microchip compliance portal as of 2026-09-21.
