PIC24FJ128GL306-I/MR - 16-bit 32MHz 128KB Flash LCD MCU | Microchip
Référence : PIC24FJ128GL306-I/MR ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $4.62 | $4,62 |
| 10 | $4.15 | $41,50 |
| 100 | $3.62 | $362,00 |
| 500 | $3.18 | $1 590,00 |
| 1 000 | $2.84 | $2 840,00 |
PIC24FJ128GL306-I/MR Présentation
A low-dropout regulator (LDO) is a type of linear voltage regulator that maintains a stable output even when the input is only slightly higher than the output; in this product family the LDO function is applied internally to power the LCD charge pump and analog blocks. Within a microcontroller hierarchy, the PIC24FJ128GL306 sits as a low-power MCU → 16-bit MCU → microcontroller → embedded controller → semiconductor. The integrated segmented LCD controller supports up to 256 segments (8 commons × 32 segments) with autonomous animation, blinking, blanking, dual-display alternation, and an internal charge pump for contrast management on battery-powered designs.
Key features include 17-bit x 17-bit single-cycle hardware fractional/integer multiplication, multiple CIPs that offload tasks from the core, and multiple sleep modes with retention. The 64-QFN (MR) package exposes up to 53 general-purpose I/O and integrates an LCD charge pump and RTCC with calendar. Hardware ECC on Flash and parity on RAM improve reliability for industrial and metering designs.
Typical applications include e-metering and smart energy meters, battery-powered medical instruments, IoT sensor nodes with LCD displays, industrial HMIs, and home appliances. The combination of low sleep current, integrated LCD, and CIPs allows system designers to add a UI without a dedicated display driver IC.
When designing with this MCU, ensure the chosen package variant matches the PCB land pattern and that the LCD charge-pump capacitor values match the segment count. The 64-QFN thermal pad must be soldered to a sufficient copper pour for thermal and electrical performance.
This page combines distributor pricing, drop-in alternatives, and practical design notes beyond what the manufacturer datasheet provides, helping engineers shorten design cycles.
Alternatives de remplacement direct pour PIC24FJ128GL306-I/MR — 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 PIC24FJ128GL306-I/MR (même facteur de forme et même empreinte) — différant par Package, Core Architecture, ADC, Family, Operating Temperature.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC24FJ128GL306-E/MR
✅ Remplacement direct✓ En stock
$2.94 / unité
Voir la fiche technique →PIC24FJ128GL306T-I/MR
✅ Remplacement direct✓ En stock
$2.5 / unité
Voir la fiche technique →PIC24FJ128GB606-I/MR
✅ Remplacement direct✓ En stock
$3.62 / unité
Voir la fiche technique →PIC24FJ128GB606T-I/MR
✅ Remplacement direct✓ En stock
$4.1 / unité
Voir la fiche technique →PIC24FJ128GA606-I/MR
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC24FJ128GC006T-I/PT
✅ Remplacement direct✓ En stock
$4.9 / unité
Voir la fiche technique →PIC24FJ128GL306-I/MR Valeurs maximales et caractéristiques électriques
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Program Memory (Flash) | 128 KB (128K x 8) with ECC |
| Data Memory (SRAM) | 8 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage Range | 2.0 V to 3.6 V |
| ADC | 10-bit / 12-bit (per datasheet cover) |
| LCD Segments | Up to 256 (8 commons x 32 segments) |
| LCD Charge Pump | Internal, for contrast management |
| Core Independent Peripherals (CIPs) | Yes - autonomous LCD animation, dual-display, blinking, blanking |
| Hardware Multiplier | 17-bit x 17-bit single-cycle fractional/integer |
| Flash ECC / RAM Parity | Yes / Yes |
| Sleep Current (XLP) | Few hundreds of nA with full RAM and LCD retention |
| Boîtier | 64-QFN (9x9 mm) with exposed pad |
| Type de montage | Surface Mount |
| Operating Temperature (I-grade) | -40 C to +85 C |
| Statut RoHS | Compliant |
| Nombre de broches | 64 |
Configuration des broches de PIC24FJ128GL306-I/MR
| Broche 1 | RA0 — Port A bit 0 / analog / segment line |
| Broche 2 | RA1 — Port A bit 1 / analog / segment line |
| Broche 3 | RA2 — Port A bit 2 / analog / segment line |
| Broche 4 | RA3 — Port A bit 3 / analog / segment line |
| Broche 5 | RA4 — Port A bit 4 / segment line |
| Broche 6 | RA5 — Port A bit 5 / segment line |
| Broche 7 | RA6 — Port A bit 6 / segment line |
| Broche 8 | RA7 — Port A bit 7 / segment line |
| Broche 9 | RA8 — Port A bit 8 / segment line |
| Broche 10 | RA9 — Port A bit 9 / segment line |
| Broche 11 | RA10 — Port A bit 10 / segment line |
| Broche 12 | RA11 — Port A bit 11 / segment line |
| Broche 13 | RA12 — Port A bit 12 / segment line |
| Broche 14 | RA13 — Port A bit 13 / segment line |
| Broche 15 | RA14 — Port A bit 14 / segment line |
| Broche 16 | RA15 — Port A bit 15 / segment line |
| Broche 17 | VSS — Ground |
| Broche 18 | VDD — Positive supply (2.0 V to 3.6 V) |
| Broche 19 | RB0 — Port B bit 0 / segment line |
| Broche 20 | RB1 — Port B bit 1 / segment line |
| Broche 21 | RB2 — Port B bit 2 / segment line |
| Broche 22 | RB3 — Port B bit 3 / segment line |
| Broche 23 | RB4 — Port B bit 4 / segment line |
| Broche 24 | RB5 — Port B bit 5 / segment line |
| Broche 25 | RB6 — Port B bit 6 / segment line |
| Broche 26 | RB7 — Port B bit 7 / segment line |
| Broche 27 | RB8 — Port B bit 8 / segment line |
| Broche 28 | RB9 — Port B bit 9 / segment line |
| Broche 29 | RB10 — Port B bit 10 / segment line |
| Broche 30 | RB11 — Port B bit 11 / segment line |
| Broche 32 | RB12 — Port B bit 12 / segment line |
| Broche 33 | RB13 — Port B bit 13 / segment line |
| Broche 34 | RB14 — Port B bit 14 / segment line |
| Broche 35 | RB15 — Port B bit 15 / segment line |
| Broche 36 | VSS — Ground |
| Broche 37 | VDD — Positive supply |
| Broche 38 | RC0 — Port C bit 0 / segment line |
| Broche 39 | RC1 — Port C bit 1 / segment line |
| Broche 40 | RC2 — Port C bit 2 / segment line |
| Broche 41 | RC3 — Port C bit 3 / segment line |
| Broche 42 | RC4 — Port C bit 4 / segment line |
| Broche 43 | RC5 — Port C bit 5 / segment line |
| Broche 44 | RC6 — Port C bit 6 / segment line |
| Broche 45 | RC7 — Port C bit 7 / segment line |
| Broche 46 | RC8 — Port C bit 8 / segment line |
| Broche 47 | RC9 — Port C bit 9 / segment line |
| Broche 48 | RC10 — Port C bit 10 / segment line |
| Broche 49 | RC11 — Port C bit 11 / segment line |
| Broche 50 | RC12 — Port C bit 12 / segment line |
| Broche 51 | RC13 — Port C bit 13 / segment line |
| Broche 52 | RC14 — Port C bit 14 / segment line |
| Broche 53 | RC15 — Port C bit 15 / segment line |
| Broche 54 | VSS — Ground |
| Broche 55 | VDD — Positive supply |
| Broche 56 | RD0 — Port D bit 0 / segment line |
| Broche 57 | RD1 — Port D bit 1 / segment line |
| Broche 58 | RD2 — Port D bit 2 / segment line |
| Broche 59 | RD3 — Port D bit 3 / segment line |
| Broche 60 | RD4 — Port D bit 4 / segment line |
| Broche 61 | RD5 — Port D bit 5 / segment line |
| Broche 62 | RD6 — Port D bit 6 / segment line |
| Broche 63 | RD7 — Port D bit 7 / segment line |
| Broche 64 | EP — Exposed thermal pad - must be soldered to ground pour |
Applications typiques
PIC24FJ128GL306-I/MR convient pour 6 applications: Smart Energy and E-Metering, Battery-Powered Medical Instruments, Industrial HMI and Panel Meters, Home Appliance User Interfaces, IoT Sensor Nodes with Local Display, Automotive Aftermarket Accessories.
Smart Energy and E-Metering
The PIC24FJ128GL306-I/MR's 256-segment LCD controller with autonomous animation makes it ideal for residential and commercial electricity meters that display consumption, tariffs, and status icons on a single segmented glass. The internal charge pump drives the LCD directly from a 3 V battery, eliminating a negative bias supply. The XLP sleep current of only a few hundred nA while retaining full RAM and LCD state allows meters to remain on standby for 10+ years on a single lithium cell. Its 128 KB ECC Flash and 8 KB SRAM store calibration tables and rolling consumption logs, while hardware ECC and RAM parity support IEC 60730 class-B safety integrity requirements for billing-grade metering.
Recommandé
Battery-Powered Medical Instruments
Portable medical devices such as glucose meters, pulse oximeters, and digital thermometers require low active power, an integrated LCD for patient readouts, and long battery life. The PIC24FJ128GL306-I/MR combines 16 MIPS throughput at 32 MHz with XLP sleep current in the few-hundred-nA range, so the CPU can wake, sample, and return to sleep between measurements. The 12-bit ADC option captures sensor signals accurately, and 8 KB SRAM buffers rolling measurement history. Hardware ECC and parity support the reliability expectations of medical IEC 60601 design frameworks. Compared with discrete LCD driver + MCU solutions, the integrated LCD controller cuts BOM cost by one IC and several passives.
Recommandé
Industrial HMI and Panel Meters
Factory-floor HMIs, process indicators, and panel meters need to display operating parameters on segmented LCDs while remaining electrically robust. The PIC24FJ128GL306-I/MR's 64-QFN industrial-grade operating range, hardware ECC, and RAM parity support harsh industrial environments. Up to 256 LCD segments enable multi-page displays for temperature, pressure, and flow readings, and the CIP-based autonomous animation handles blinking alarms without CPU intervention. The 17-bit hardware multiplier speeds up calibration math, while 128 KB Flash accommodates multi-language firmware and look-up tables. Multiple UART/SPI/I2C peripherals connect to PLCs, sensors, and external non-volatile memory.
Recommandé
Home Appliance User Interfaces
Washing machines, ovens, dishwashers, and microwave ovens increasingly use segmented LCDs to display cycle status, fault codes, and timers. The PIC24FJ128GL306-I/MR drives 256 segments directly, supporting 7-segment numerals plus alpha icons for cycle names. Hardware ECC and RAM parity support IEC 60335-1 class-B functional safety expected by appliance regulators. XLP sleep current allows battery-backed real-time clock retention during power loss, and the internal charge pump keeps the LCD visible during brownouts. The 64-QFN footprint leaves room for additional touch or rotary encoder inputs in the appliance control panel.
Recommandé
IoT Sensor Nodes with Local Display
Wireless sensor nodes for environmental monitoring, asset tracking, and building automation benefit from an integrated segmented LCD that shows measurements locally without a smartphone. The PIC24FJ128GL306-I/MR pairs with an external sub-GHz or BLE module over UART/SPI to display readings while the CPU sleeps. The few-hundred-nA sleep current preserves coin-cell life, and the 128 KB Flash holds application code plus over-the-air update staging areas. The internal charge pump drives the LCD on a single 3 V supply, eliminating a boost converter. The same 64-QFN footprint across the GL family simplifies PCB reuse across multiple node variants.
Recommandé
Automotive Aftermarket Accessories
Aftermarket automotive accessories - tire pressure displays, battery monitors, and OBD-II gauges - need a compact MCU with integrated segmented LCD for cabin-mounted readouts. The PIC24FJ128GL306-I/MR's industrial temperature rating and ECC Flash support cabin environments, while its 16 MIPS performance handles CAN/LIN stacks when paired with an external transceiver. The autonomous LCD animation offloads blinking warning icons from the CPU, reducing wake time and preserving battery life on cigarette-lighter-powered accessories. For OEM under-hood designs, the PIC24FJ128GA610 family or dsPIC variants offer AEC-Q100 grade options.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC24FJ128GL306-I/MR — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC24FJ128GL306-E/MR | PIC24FJ128GL306T-I/MR | PIC24FJ128GB606-I/MR | PIC24FJ128GB606T-I/MR | PIC24FJ128GA606-I/MR | PIC24FJ128GC006T-I/PT |
|---|---|---|---|---|---|---|---|
| Package | 64-QFN (9x9 mm) | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same | TQFP-64 - different land pattern |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Operating Temperature | -40 C to +85 C (I grade) | -40 C to +125 C (E grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) |
| Flash / SRAM | 128 KB / 8 KB | 128 KB / 8 KB | 128 KB / 8 KB | 128 KB / 8 KB | 128 KB / 8 KB | 128 KB / 8 KB | 128 KB / 8 KB |
| USB Support | No | No | No | Yes (USB OTG) | Yes (USB OTG) | No | No |
| Autonomous LCD Animation | Yes (CIP, dual-display, blinking, blanking) | Yes | Yes | Limited (CIP, but no dual-display CIP) | Limited | No | Yes (GC family) |
| XLP Sleep Current | Few hundreds of nA (RAM + LCD retained) | Same as this product | Same as this product | ~3x higher (USB adds leakage) | ~3x higher | ~5x higher (older XLP) | Similar to GL family |
| LCD Charge Pump | Yes (internal) | Yes (internal) | Yes (internal) | Yes (internal) | Yes (internal) | Yes (internal) | Yes (internal) |
Principaux différenciateurs
- Lowest sleep current with full LCD retention in 64-QFN (vs PIC24FJ128GA606-I/MR)
- Core-Independent LCD animation (dual-display, blinking, blanking) (vs PIC24FJ128GB606-I/MR)
- Industrial temperature grade drop-in option (vs PIC24FJ128GL306T-I/MR)
Notes de conception
The 64-QFN (MR) package exposes a thermal pad (pin 64) that MUST be soldered to a continuous ground copper pour on the top layer, with multiple thermal vias to the inner ground plane. Without this, junction temperature rises during sustained 32 MHz operation, especially when the LCD charge pump is active and segment lines are switching. Recommended: at least 1 sq. inch of 1 oz copper, with 5 to 9 thermal vias (0.3 mm drill, 0.6 mm pad) under the EP, per Microchip QFN PCB layout guidelines.
Place the 100 nF VDD decoupling capacitor within 3 mm of each VDD pin and a single 4.7 uF bulk capacitor on the main supply trace. The LCD charge pump requires external reservoir capacitors on VLCAP1 and VLCAP2 - typical values are 1 uF X7R ceramic, with low-leakage types preferred to preserve the nA-level sleep current. Keep segment and common traces short and routed away from switching supplies to minimize contrast ripple.
Do not leave any VDD/VSS pair floating - the PIC24FJ128GL306 datasheet (DS30010198B) requires all supply pins to be connected even if internal peripherals are unused, otherwise ESD performance and reset behavior degrade. Do not exceed 3.6 V on any I/O when the device is unpowered; back-drive protection is not present on all pins. Finally, configure unused segment lines as digital outputs driven low to minimize leakage current during deep sleep.
Informations de conformité
RoHS and REACH compliance confirmed via Microchip product page and DigiKey listing. AEC-Q100 grade is not qualified - use PIC24FJ128GA610 automotive variants for OEM automotive designs. Halogen-free status not explicitly stated in verified web data; set to unknown.
