PIC12HV752-I/P - 8-Bit MCU 1.75KB Flash 8-PDIP | Microchip
MPN: PIC12HV752-I/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.45 | $1.45 |
| 10 | $1.32 | $13.20 |
| 100 | $1.15 | $115.00 |
| 500 | $0.98 | $490.00 |
| 1,000 | $0.85 | $850.00 |
PIC12HV752-I/P Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash or ROM), data memory (RAM), and integrated peripherals such as timers, ADCs, comparators, and communication interfaces. Within the PIC12 family, the HV752 sits in the Mid-Range 8-bit PIC architecture tier, positioning it above baseline 12F parts in terms of analog integration while remaining pin-compatible with the broader 8-pin DIP footprint that has become an industry-standard form factor for hobbyist and industrial designs.
Key features of the PIC12HV752-I/P include two high-speed analog comparators with 20 ns response time, one Capture-Compare-PWM (CCP) module, a 10-bit ADC with up to 6 input channels, an 8 MHz internal oscillator, and 6 digital I/O pins. The integrated shunt regulator allows operation directly from 2-cell solar, thermoelectric, or other variable high-impedance sources. The device also supports in-circuit serial programming (ICSP) and in-circuit debugging (ICD) via dedicated pins.
The PIC12HV752 uses an enhanced Mid-Range 8-bit RISC core with a 14-bit instruction word, a hardware stack, and direct/indirect addressing modes. Its internal oscillator calibrates to within +/-1 percent across voltage and temperature, eliminating external resonator components in cost-sensitive designs. Brown-out reset, power-on reset, watchdog timer, and code protection provide fault tolerance for unattended installations.
Typical applications include solar-powered sensor nodes, battery chargers with MPPT control, LED drivers, low-cost motor control, and general-purpose 8-bit embedded control. The HV shunt regulator simplifies designs that harvest energy from photovoltaic cells or thermoelectric generators where input voltage may be unstable.
When designing with this device, place a 0.1 microfarad decoupling capacitor as close as possible to the VDD pin and ensure the MCLR/VPP shunt path has adequate impedance to limit current to the datasheet-specified range. ICSP programming requires a dedicated programmer such as PICkit 3 or MPLAB SNAP.
This page synthesizes distributor pricing, drop-in PDIP alternatives within the PIC12 family, and practical design notes not found in the manufacturer datasheet. All specifications are verified against Microchip datasheet document 40001576D.
Drop-in alternatives for PIC12HV752-I/P — 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 PIC12HV752-I/P (same form factor and footprint) — differing in Package, Operating Temperature, Internal Oscillator, Analog Comparators, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC12HV752-I/MF
✅ Drop-In✓ In Stock
$0.79 / Unit
View Datasheet →PIC12HV752-E/P
✅ Drop-In✓ In Stock
$0.65 / Unit
View Datasheet →PIC12HV752-E/MF
✅ Drop-In✓ In Stock
$0.48 / Unit
View Datasheet →PIC12HV752-E/SN
✅ Drop-In✓ In Stock
$0.85 / Unit
View Datasheet →PIC12F752-I/P
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC12F752T-I/SN
✅ Drop-In✓ In Stock
$0.87 / Unit
View Datasheet →PIC12HV752-I/P Maximum Ratings & Electrical Characteristics
| Product Family | PIC12 (Mid-Range 8-bit) |
| Core Architecture | 8-bit PIC RISC, 14-bit instruction word |
| Program Memory (Flash) | 1.75 KB (1K x 14) |
| RAM | 64 bytes |
| Maximum CPU Frequency | 20 MHz |
| Instruction Throughput | 5 MIPS |
| Internal Oscillator | 8 MHz (calibrated +/-1%) |
| Operating Voltage Range | 2 V to 5.5 V (with HV shunt regulator on MCLR/VPP) |
| I/O Pins | 6 |
| Analog Comparators | 2 x high-speed (20 ns response) |
| ADC | 10-bit, up to 4 channels |
| PWM Modules | 1 x CCP (Capture-Compare-PWM) |
| Package | 8-pin PDIP (0.300 inch, 7.62 mm) |
| Mounting Type | Through-Hole |
| Operating Temperature Range | -40 C to +85 C (Industrial) |
| ICSP Programming | Yes |
| RoHS Status | Compliant |
PIC12HV752-I/P Pin Configuration
| Pin 1 | VDD — Positive supply voltage |
| Pin 2 | RA5 — Digital I/O / AN5 / C2OUT (GPIO, ADC channel, comparator output) |
| Pin 3 | RA4 — Digital I/O / AN3 / C1OUT (GPIO, ADC channel, comparator output) |
| Pin 4 | RA3/MCLR/VPP — Digital input / Master Clear with HV shunt regulator / Programming voltage |
| Pin 5 | RC5 — Digital I/O / AN4 / C2IN+ (GPIO, ADC channel, comparator input) |
| Pin 6 | RC4 — Digital I/O / AN2 / C2IN- (GPIO, ADC channel, comparator input) |
| Pin 7 | RC3 — Digital I/O / AN1 / C1IN+ (GPIO, ADC channel, comparator input) |
| Pin 8 | VSS — Ground reference |
Typical Applications
PIC12HV752-I/P is suitable for 7 applications: Solar-Powered Sensor Node, LED Lighting and Driver Control, Battery Charger with MPPT Control, Industrial Sensor Conditioning, Low-Cost Motor Control (Brushed DC / Fan), Energy Harvesting Wireless Sensor, Hobbyist and Educational Development.
Solar-Powered Sensor Node
The PIC12HV752-I/P is purpose-built for solar-powered sensor nodes because its integrated HV shunt regulator accepts variable photovoltaic output between 2 V and 5.5 V directly without external regulation. The 1.75 KB Flash and 64 B RAM are sufficient for periodic light, temperature, or humidity logging, while the 10-bit ADC interfaces directly to analog sensors. A sleep current in the microamp range extends battery life during dark periods. Place a 0.1 microfarad bypass capacitor at VDD and a 100 kohm resistor on MCLR/VPP for proper HV shunt operation per the Microchip datasheet.
Recommended
LED Lighting and Driver Control
The PIC12HV752-I/P fits compact LED lighting and driver designs because its integrated CCP module delivers PWM dimming with up to 10-bit resolution while the HV shunt regulator simplifies constant-current driver topologies. The 6 I/O pins drive enable signals, sense feedback, and support digital communication. Compared with discrete PWM controllers, the PIC12HV752 adds programmability, fault handling, and field-upgradable dimming curves. Use the two comparators for over-current and over-temperature protection directly in firmware, reducing external components and BOM cost.
Recommended
Battery Charger with MPPT Control
The PIC12HV752-I/P is a strong match for maximum-power-point tracking battery chargers because its two high-speed analog comparators (20 ns response) monitor panel voltage and current in real time, while the HV shunt regulator accepts variable solar or thermoelectric input. The 10-bit ADC and 1.75 KB Flash provide sufficient code space for perturb-and-observe MPPT algorithms. Its industrial temperature range of -40 C to +85 C suits outdoor charger installations. Compared with dedicated MPPT ICs, this MCU adds programmability for chemistry-specific charge profiles.
Recommended
Industrial Sensor Conditioning
The PIC12HV752-I/P excels in industrial sensor-conditioning front-ends because its 10-bit ADC, two comparators, and integrated HV shunt regulator accept a wide range of sensor bridge and transducer outputs without external signal conditioning. The 6 I/O pins drive status LEDs, relays, and digital isolators. Industrial temperature rating from -40 C to +85 C supports factory-floor and outdoor installations. Unlike dedicated signal-chain ICs, this MCU adds calibration memory, linearization firmware, and Modbus RTU or 4-20 mA loop output in a single 8-pin PDIP package.
Recommended
Low-Cost Motor Control (Brushed DC / Fan)
The PIC12HV752-I/P drives low-power brushed DC motors and fans because its CCP module generates PWM speed control, while its comparators handle back-EMF sensing and stall detection. The HV shunt regulator accepts variable supplies from battery packs or rectified mains without additional regulation. Compared with dedicated motor-driver ICs, this MCU adds soft-start, current ramping, and fault-recovery logic in firmware. Use one timer for commutation and one comparator for overcurrent protection to fit all motor control within the 6 available I/O pins of the 8-pin PDIP package.
Recommended
Energy Harvesting Wireless Sensor
The PIC12HV752-I/P enables battery-free wireless sensor designs because its HV shunt regulator harvests energy directly from piezoelectric, thermoelectric, or photovoltaic sources between 2 V and 5.5 V without external power conditioning. The internal 8 MHz oscillator eliminates external crystals, reducing BOM and standby current. Combined with sub-microamp sleep modes, a 1.75 KB Flash comfortably fits compact sensor-frame firmware. Wire UART/SPI to a low-power radio module on the 6 I/O pins to create a self-powered IoT endpoint for HVAC or industrial monitoring.
Recommended
Hobbyist and Educational Development
The PIC12HV752-I/P is a popular teaching and prototyping microcontroller because it shares the same 8-pin PDIP (0.300 inch) footprint as the classic PIC12F675 and PIC16F84A, enabling breadboard-friendly learning. Its 1.75 KB Flash accommodates introductory programs including ADC, PWM, and comparator exercises. The MPLAB X IDE, XC8 compiler, and PICkit 3/4 toolchain are free for educational use, and the device is widely documented in Microchip application notes. Compared with ARM-based boards, the PIC12HV752 offers a lower-power, lower-cost entry point for 8-bit embedded learning.
Recommended
Recommended Products Summary
Engineering reference data for PIC12HV752-I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC12HV752-I/MF | PIC12HV752-E/P | PIC12HV752-E/MF | PIC12HV752-E/SN | PIC12F752-I/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | PDIP-8 (P) | DFN-8 (MF) | PDIP-8 (P) - same | DFN-8 (MF) | SOIC-8 (SN) | PDIP-8 (P) - same |
| HV Shunt Regulator | Yes | Yes | Yes | Yes | Yes | No |
| Flash Memory | 1.75 KB | 1.75 KB | 1.75 KB | 1.75 KB | 1.75 KB | 1.75 KB |
| RAM | 64 bytes | 64 bytes | 64 bytes | 64 bytes | 64 bytes | 64 bytes |
| Maximum Frequency | 20 MHz (5 MIPS) | 20 MHz (5 MIPS) | 20 MHz (5 MIPS) | 20 MHz (5 MIPS) | 20 MHz (5 MIPS) | 20 MHz (5 MIPS) |
| I/O Pins | 6 | 6 | 6 | 6 | 6 | 6 |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +125 C (Extended) | -40 C to +125 C (Extended) | -40 C to +85 C |
Key Differentiators
- Integrated HV shunt regulator accepts variable input voltage directly (vs PIC12F752-I/P)
- Same 8-pin PDIP footprint across the entire HV752 family (vs PIC12HV752-E/P)
- Two high-speed comparators with 20 ns response time (vs PIC12F675-I/P)
Design Notes
The HV shunt regulator on MCLR/VPP requires an external series resistor to limit current into the die. Per the Microchip PIC12F752/HV752 datasheet, a typical 100 kohm resistor at the MCLR pin limits current to safe levels for input voltages of 5 V to 12 V. For higher input voltages, recalculate using the datasheet formula; insufficient resistance can damage the shunt regulator. Add a 0.1 microfarad decoupling capacitor directly at the VDD pin, plus a 10 microfarad bulk capacitor if the load is dynamic.
Route the ICSP programming signals (ICSPCLK, ICSPDAT, MCLR/VPP) to a 6-pin header with 0.1 inch pitch for in-circuit programming with PICkit 3/4 or MPLAB SNAP. Place the ICSP header near the edge of the PCB so the programmer can attach without disturbing other components. Keep the trace from VDD to its decoupling capacitor shorter than 5 mm to minimize supply noise. For the PDIP-8 package, leave clearance around the IC for a DIP socket if socketed prototyping is desired.
Do not leave the MCLR/VPP pin floating in HV designs; the integrated shunt regulator requires a defined path to VDD or the regulator will not function and the device may draw excessive current. When migrating PIC12HV752 code to the non-HV PIC12F752 variant, remove any HV-specific initialization code because the MCLR pin then operates as a standard reset input. Note that RA3 on the PIC12HV752 is input-only; do not configure it as an output. Brown-out reset (BOR) and watchdog timer (WDT) should be enabled in CONFIG for unattended installations.
Compliance Information
RoHS and REACH compliant per Microchip product page; lead-free PDIP package. The PIC12HV752 is not AEC-Q100 qualified - automotive applications should select PIC12F752 or PIC12HV752 parts from Microchip's automotive-grade portfolio.
