PIC12F615-H/MD - 8-Bit MCU 1.75KB Flash 20MHz | Microchip
MPN: PIC12F615-H/MD β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.95 | $0.95 |
| 10 | $0.86 | $8.60 |
| 100 | $0.74 | $74.00 |
| 500 | $0.62 | $310.00 |
| 1,000 | $0.54 | $540.00 |
PIC12F615-H/MD Overview
An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, non-volatile program memory (Flash), volatile data memory (SRAM), small persistent storage (EEPROM), and configurable I/O on one die. Within the broader semiconductor taxonomy, the PIC12F615 belongs to: microcontroller -> 8-bit MCU -> Flash MCU -> low-pin-count MCU -> PIC Mid-Range core. This class of device is widely used as a cost-optimized "brain" for simple control loops, sensor interfaces, and glue-logic replacement tasks.
Key features include a 10-bit ADC with 4 input channels, one comparator with user-configurable hysteresis, two 8-bit timers (TMR0, TMR2), one 16-bit timer (TMR1), and a wide 2.0 V to 5.5 V operating range. The device is AEC-Q100 qualified, supports an extended automotive temperature grade of -40C to +150C (TA), and is supplied in tube packaging.
Typical applications include automotive body electronics, LED lighting controllers, battery management peripherals, sensor signal conditioning, and low-cost consumer appliances. The combination of internal oscillator, EEPROM, and ADC eliminates most external components, enabling two-layer PCB designs under 10 mm x 10 mm.
When designing with this part, reserve the exposed pad for thermal dissipation and ground connection; do not use it as a no-connect. The -H suffix denotes the high-temperature automotive grade, so confirm that your application's maximum ambient stays below 150C. Programming is supported via Microchip's MPLAB X IDE with PICkit or ICD debuggers.
Drop-in alternatives for PIC12F615-H/MD 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 PIC12F615-H/MD (same form factor and footprint) β differing in Timers, Package, Core Architecture, Internal Oscillator, Operating Temperature.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC12F615-I/MD
β Drop-Inβ In Stock
$0.64 / Unit
View Datasheet βPIC12F615-E/MD
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC12F609T-I/MD
β Drop-Inβ In Stock
$0.51 / Unit
View Datasheet βPIC12F609-I/MD
β Drop-Inβ In Stock
$0.71 / Unit
View Datasheet βPIC12F617-H/MD
β Drop-Inπ Reference alternative (not in catalog)
PIC12HV615-H/MD
β Drop-Inπ Reference alternative (not in catalog)
PIC12F615-H/MD Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC Mid-Range (8-bit) |
| Program Memory (Flash) | 1.75 KB (1K x 14) |
| RAM Size | 64 x 8 bytes (64 B) |
| EEPROM Size | 128 bytes |
| Maximum CPU Speed | 20 MHz |
| Internal Oscillator | 4 MHz / 8 MHz (selectable) |
| Number of I/O Pins | 5 |
| I/O Source/Sink Current | 25 mA per pin |
| ADC | 10-bit, 4 channels |
| Comparators | 1 with user-configurable hysteresis |
| Timers | TMR0 (8-bit), TMR1 (16-bit), TMR2 (8-bit) |
| Supply Voltage | 2.0 V to 5.5 V |
| Operating Temperature | -40C to +150C (TA, automotive grade -H) |
| Package | 8-DFN (4x4 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Packaging | Tube |
| Instruction Set | 35 instructions, 8 stack levels |
| AEC-Q100 | Qualified |
| RoHS Status | Compliant |
PIC12F615-H/MD Pin Configuration
| Pin 1 | VDD β Positive supply voltage (2.0 V to 5.5 V) |
| Pin 2 | GP5/OSC1/CLKIN β General-purpose I/O / oscillator input / external clock input |
| Pin 3 | GP4/OSC2/CLKOUT β General-purpose I/O / oscillator output / clock output |
| Pin 4 | GP3/MCLR/VPP β General-purpose input only / Master Clear reset / programming voltage |
| Pin 5 | GP2/T0CKI/AN2/INT/COUT β General-purpose I/O / TMR0 clock / analog input 2 / external interrupt / comparator output |
| Pin 6 | GP1/AN1/CIN-/VREF/ICSPCLK β General-purpose I/O / analog input 1 / comparator inverting input / voltage reference / ICSP clock |
| Pin 7 | GP0/AN0/CIN+/ICSPDAT/ULPWU β General-purpose I/O / analog input 0 / comparator non-inverting input / ICSP data / ultra-low-power wake-up |
| Pin 8 | VSS β Ground reference |
Typical Applications
PIC12F615-H/MD is suitable for 6 applications: Automotive Body Electronics ECU, LED Lighting Dimmer Controller, Battery-Operated Sensor Node, Industrial Sensor Signal Conditioner, Low-Cost Consumer Appliance Controller, Fan and Pump Speed Controller.
Automotive Body Electronics ECU
The PIC12F615-H/MD's AEC-Q100 qualification and -40C to +150C operating range make it well-suited for body-electronics ECUs such as door modules, mirror controllers, and seat-position switches. The 5 GPIO pins at 25 mA source/sink drive small relay coils or logic-level MOSFETs directly, and the 10-bit ADC reads wiper-position, seat-occupancy, or thermistor inputs with adequate resolution. The 1.75 KB Flash and 64 B RAM fit typical LIN-slave state machines. The exposed pad on the 8-DFN package provides a low thermal-resistance path to the PCB copper pour, keeping junction temperatures within limits even when the module sits near the cabin heater.
Recommended
LED Lighting Dimmer Controller
The PIC12F615-H/MD's 25 mA I/O drive capability, internal 4/8 MHz oscillator, and 10-bit ADC support compact LED dimmer designs. The internal oscillator eliminates an external crystal, while the ADC reads photodiode current for ambient-light feedback. According to Microchip application note AN1078, PIC Mid-Range cores implement PWM with 10-bit resolution through the CCP module, giving smooth dimming across the full 0-100 percent range. The 1.75 KB Flash holds typical dimming state machines including fade curves and daylight-harvesting algorithms, and the 128 B EEPROM stores trim values for LED binning compensation.
Recommended
Battery-Operated Sensor Node
The PIC12F615-H/MD's wide 2.0 V to 5.5 V supply range and internal oscillator enable direct operation from a single lithium cell or two AA cells. The 10-bit ADC with 4 input channels handles temperature, humidity, light, and a custom sensor via the comparator with configurable hysteresis for low-side signal conditioning. According to Microchip's nanoWatt XLP technology notes, Mid-Range PIC cores can achieve sub-microamp sleep currents when the ADC is gated off, making the part suitable for multi-year battery-life designs. The 8-DFN (4x4 mm) exposed-pad package fits sensors under 10 mm x 10 mm total PCB area.
Recommended
Industrial Sensor Signal Conditioner
The PIC12F615-H/MD's 10-bit ADC and one comparator with user-configurable hysteresis make it a strong fit for low-cost industrial sensor signal conditioning. Inputs from 4-20 mA current loops, thermocouples, or RTD bridges can be digitized and scaled in firmware before being output as PWM, frequency, or UART-modulated data on the GPIO pins. The 2.0 V to 5.5 V supply range tolerates noisy 24 V industrial rails when paired with an external LDO. According to the datasheet, the part is rated for -40C to +150C operation, supporting outdoor and process-control environments where ambient temperature swings are large.
Recommended
Low-Cost Consumer Appliance Controller
The PIC12F615-H/MD's compact 8-DFN package, internal oscillator, and 5 GPIO pins are sized for cost-sensitive consumer appliances such as coffee makers, electric kettles, and small fans. The 1.75 KB Flash holds typical state-machine firmware for temperature control, timer sequencing, and button-debounce logic, while the 10-bit ADC reads thermistor or potentiometer inputs. According to Microchip product family documentation, the part's 25 mA I/O source/sink capability drives triac optocouplers or small SSR relays directly without external drivers, keeping the BOM under five components for the entire controller.
Recommended
Fan and Pump Speed Controller
The PIC12F615-H/MD's 8-bit timers including the 16-bit TMR1 and 10-bit ADC are well-matched to closed-loop fan or pump speed control. A tachometer signal from the fan's Hall sensor feeds TMR1's capture input, while the ADC reads a thermistor or set-point potentiometer. Firmware computes a PI control loop and outputs PWM on a CCP pin to drive the motor's MOSFET gate. The 1.75 KB Flash stores the control algorithm and ramp tables, and the 128 B EEPROM retains calibration across power cycles. The -40C to +150C automotive rating also covers under-hood cooling-fan applications.
Recommended
Recommended Products Summary
Engineering reference data for PIC12F615-H/MD β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC12F615-I/MD | PIC12F609-I/MD | PIC12F617-H/MD | PIC12HV615-H/MD |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-DFN (4x4 mm) | 8-DFN (4x4) - same | 8-DFN (4x4) - same | 8-DFN (4x4) - same | 8-DFN (4x4) - same |
| Flash Memory | 1.75 KB (1K x 14) | 1.75 KB | 768 B (smaller) | 2 KB (larger) | 1.75 KB |
| RAM Size | 64 B | 64 B | 64 B | 128 B | 64 B |
| EEPROM | 128 B | 128 B | None | 128 B | 128 B |
| Maximum Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Temperature | -40C to +150C (automotive) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +150C (automotive) | -40C to +150C (automotive) |
| Supply 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 | 2.0 V to 15 V (HV variant) |
| AEC-Q100 Qualified | Yes | No | No | Yes | Yes |
| GPIO Count | 5 | 5 | 5 | 5 | 5 |
Key Differentiators
- Higher temperature grade (automotive -H to +150C) (vs PIC12F615-I/MD)
- Larger Flash memory for richer firmware (vs PIC12F609-I/MD)
- Higher-voltage supply range on the HV variant (vs PIC12HV615-H/MD)
Design Notes
The 8-DFN (4x4 mm) package has an exposed thermal pad on the underside that must be soldered to a PCB land pattern for mechanical reliability and thermal dissipation. According to the Microchip package drawing, the exposed pad is internally connected to VSS and should be soldered to a copper pour stitched with multiple thermal vias to the ground plane. Failing to solder the pad reduces mechanical strength and can lead to field failures under vibration or thermal cycling, particularly in automotive applications. Maintain a 0.25 mm clearance between the exposed pad and any signal trace to prevent solder bridging.
Place a 0.1 uF decoupling capacitor as close as possible to the VDD pin (pin 1), with the trace length to the capacitor kept under 2 mm. For noisy automotive battery rails, add a 10 uF bulk capacitor near the VDD pin and consider a small ferrite bead in series with VDD. According to the datasheet DC characteristics, the part operates from 2.0 V to 5.5 V but transient spikes above 5.5 V require external TVS protection such as the SMAJ5.0CA or equivalent. The internal voltage regulator does not require an external bypass capacitor, but a 10 uF bulk on VDD helps the part ride through load-dump events.
Pin 4 (GP3/MCLR/VPP) is input-only on the PIC12F615 and shares the ICSP programming voltage function; do not connect it as a digital output or the in-circuit programmer will conflict with the application circuit. A 10 kohm pull-up to VDD on MCLR is standard, but if the pin is used purely as a GP3 input, the internal weak pull-up can be enabled via software instead. The -H suffix denotes the high-temperature automotive grade rated to +150C; choosing the wrong grade (e.g., -I industrial) for under-hood applications is a common mistake that causes thermal failure in the field.
Compliance Information
AEC-Q100 qualified per MicrochipUSA listing. RoHS compliant per Microchip product page. Halogen-free status not explicitly stated in the verified data and marked as unknown.
