PIC12HV752-E/P - 8-Bit MCU, 1.75KB Flash, 20MHz, HV Shunt | Microchip
MPN: PIC12HV752-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.1 | $1.10 |
| 10 | $0.99 | $9.90 |
| 100 | $0.85 | $85.00 |
| 500 | $0.74 | $370.00 |
| 1,000 | $0.65 | $650.00 |
PIC12HV752-E/P Overview
A microcontroller (MCU) is a single-chip computer containing a CPU, RAM, non-volatile program memory, and peripherals. The PIC12HV752 belongs to Microchip's mid-range 8-bit core family (hypernym hierarchy: PIC12F → PIC10/12/14/16/18 mid-range → 8-bit MCU → microcontroller → embedded processor → semiconductor). The 35-instruction RISC core executes most instructions in a single cycle, delivering deterministic 200ns instruction timing at 20MHz.
Key features include 64 bytes of SRAM, 6 bidirectional I/O pins, a 4-channel 10-bit ADC, two high-speed analog comparators with 20ns response time, one Capture-Compare-PWM (CCP) module, and an internal 8MHz oscillator. The HV shunt regulator accepts a wide input range and regulates VDD internally, simplifying power tree design in cost-sensitive applications. The -E suffix denotes the extended industrial temperature range of -40°C to +125°C.
Architecturally, the device uses a Harvard bus with separate program and data paths, an 8-level hardware stack, and an enhanced mid-range instruction set. Flash self-read/write capability supports in-application reprogramming without an external programmer, enabling field firmware updates.
Typical applications include battery chargers, LED lighting controllers, smart sensor nodes, household appliance controls, and low-cost motor-control interfaces. The wide HV supply input also makes it suitable for 12V automotive accessory rails (with proper protection).
When designing with this part, place a 0.1µF decoupling capacitor directly on VDD and provide a robust bypass path for the HV shunt reference. The high-speed comparators have very low propagation delay but are sensitive to PCB parasitics; keep traces short and guarded.
This page synthesizes distributor pricing, parametric comparison data, and engineering design notes not found on a single manufacturer or distributor page, giving procurement and design engineers a one-stop reference for the PIC12HV752-E/P.
Drop-in alternatives for PIC12HV752-E/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-E/P (same form factor and footprint) — differing in Package, Operating Temperature, Timers, I/O Pins, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC12HV752-I/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.85 / Unit
View Datasheet →PIC12HV752-E/MF
✅ Drop-In✓ In Stock
$0.48 / Unit
View Datasheet →PIC12F752-E/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC12F683-E/P
✅ Drop-In✓ In Stock
$1.18 / Unit
View Datasheet →PIC12F615-E/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.74 / Unit
View Datasheet →PIC12HV752-E/P Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC mid-range RISC |
| Instruction Set | 35 instructions, mostly single-cycle |
| Program Memory (Flash) | 1.75 KB (1K x 14 words) |
| Data Memory (SRAM) | 64 bytes |
| Maximum CPU Speed | 20 MHz (5 MIPS) |
| Internal Oscillator | 8 MHz |
| I/O Pins | 6 bidirectional |
| ADC | 10-bit, up to 4 channels |
| Comparators | 2 high-speed, 20 ns response |
| CCP Modules | 1 (Capture-Compare-PWM) |
| Timers | 2 (8-bit, 16-bit) |
| HV Shunt Regulator | Integrated, 2V to VHV(max) |
| Operating Temperature | -40°C to +125°C (E suffix) |
| Package | 8-pin PDIP (P) |
| Mounting Type | Through-Hole |
| RoHS Status | Compliant |
PIC12HV752-E/P Pin Configuration
| Pin 1 | VDD — Positive supply voltage (regulated output of HV shunt) |
| Pin 2 | RA5/T1CKI/PWM — GPIO RA5 / Timer1 clock input / PWM output |
| Pin 3 | RA4/AN3/C1OUT — GPIO RA4 / Analog input 3 / Comparator 1 output |
| Pin 4 | RA3/MCLR/VPP — Master Clear reset (active low) / programming voltage |
| Pin 5 | RA2/AN2/T0CKI — GPIO RA2 / Analog input 2 / Timer0 clock input |
| Pin 6 | RA1/AN1/C1IN+/ICSPCLK — GPIO RA1 / Analog input 1 / Comparator 1 non-inverting input / ICSP clock |
| Pin 7 | RA0/AN0/C1IN-/ICSPDAT — GPIO RA0 / Analog input 0 / Comparator 1 inverting input / ICSP data |
| Pin 8 | — High-voltage shunt regulator input / Ground (in 8-PDIP pin 8 is VSS; HV pin function available on other packages) |
Typical Applications
PIC12HV752-E/P is suitable for 6 applications: 12V/24V LED Lighting Controller, Battery Charger Control, Automotive Accessory Sensor Node, Smart Sensor and IoT Edge Node, Household Appliance User Interface, Low-Cost Motor Control Interface.
12V/24V LED Lighting Controller
The PIC12HV752-E/P fits 12V and 24V LED lighting controllers because its integrated HV shunt regulator accepts unregulated DC inputs directly from rectified mains or battery, eliminating an external LDO and reducing BOM cost. With 6 I/O pins, a 20 MHz core, and a hardware CCP module, the MCU can drive PWM dimming, sample analog brightness controls, and run smooth color-mixing algorithms at low cost. The 10-bit ADC over 4 channels supports closed-loop current sensing via a shunt resistor for accurate lumen output. The wide -40C to +125C range tolerates hot fixture enclosures. Place a 0.1uF decoupling cap on VDD and use a low-ESR input capacitor on VHV for stable shunt regulation.
Recommended
Battery Charger Control
The PIC12HV752-E/P suits single-cell Li-ion or lead-acid charger controllers because the HV shunt lets it run directly from a 12V adapter without an external regulator. The two 20 ns comparators enable precise voltage and current limit detection, while the 10-bit ADC tracks charge state for CC/CV profiling. The 1.75 KB Flash holds a complete charging state machine plus temperature-compensation tables. The CCP module can PWM-drive a switching FET or linear pass element with predictable 200 ns timing. The -40C to +125C industrial grade ensures reliable operation in garage or outdoor enclosures.
Recommended
Automotive Accessory Sensor Node
The PIC12HV752-E/P serves automotive accessory sensor nodes - such as door modules, ambient light sensors, and rain sensors - because the HV shunt operates from a 12V automotive bus with proper input protection. The 6 I/O pins handle LIN-style or PWM communication, an LED driver output, and analog inputs for photodiodes or capacitive sense elements. The wide -40C to +125C temperature range meets AEC-Q100 automotive environmental expectations for non-safety systems. The internal 8 MHz oscillator eliminates external crystals in cost-sensitive modules. Robust ESD handling on RA pins reduces external TVS requirements.
Recommended
Smart Sensor and IoT Edge Node
The PIC12HV752-E/P is a strong fit for ultra-low-cost IoT edge nodes, particularly in battery-assisted or energy-harvesting designs where the HV shunt accepts variable supply rails. With 64 bytes SRAM, 1.75 KB Flash, and a 20 MHz core, the MCU can run simple sensor-fusion code, periodic wake-and-measure cycles, and PWM-driven wake-up signalling. The 4-channel 10-bit ADC reads temperature, light, or voltage sensor arrays without an external mux. The 8-PDIP through-hole package supports hand-soldered prototypes and educational kits. Add a low-power radio like the MRF24J40 for full wireless sensor networking.
Recommended
Household Appliance User Interface
The PIC12HV752-E/P fits household appliance user-interface boards - such as coffee machines, microwave ovens, and washing machine control panels - because the integrated HV shunt accepts rectified mains-derived 12V or 24V directly. The MCU drives LED indicators or 7-segment displays through the CCP module and reads button matrices or capacitive touch sensors via the analog comparators. The extended -40C to +125C grade handles oven-cabinet and motor-bay heat. The PDIP package simplifies in-line test and field replacement, an advantage in white-goods manufacturing.
Recommended
Low-Cost Motor Control Interface
The PIC12HV752-E/P can serve as a low-cost motor-control interface MCU for small DC or BLDC fans, pumps, and actuators that already have an external driver IC. The 20 MHz core drives up to 20 kHz PWM through the CCP module with deterministic timing. The two high-speed comparators (20 ns) protect against overcurrent by tripping the PWM within one cycle. The 6 I/O pins handle tachometer feedback, direction control, and fault flags. The 10-bit ADC reads back-EMF or current sense for closed-loop speed regulation. The HV shunt lets the MCU share the 12V or 24V motor rail without an external LDO.
Recommended
Recommended Products Summary
Engineering reference data for PIC12HV752-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC12HV752-I/P | PIC12HV752-E/MF | PIC12F752-E/P | PIC12F683-E/P | PIC12F615-E/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-PDIP (P) | 8-PDIP (P) - same | 8-DFN (MF) - SMD | 8-PDIP (P) - same | 8-PDIP (P) - same | 8-PDIP (P) - same |
| Flash Memory | 1.75 KB | 1.75 KB | 1.75 KB | 1.75 KB | 2 KB | 1 KB |
| SRAM | 64 B | 64 B | 64 B | 64 B | 128 B | 64 B |
| Max CPU Speed | 20 MHz (5 MIPS) | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| HV Shunt Regulator | Yes (integrated) | Yes | Yes | No (requires external LDO) | No | No |
| I/O Pins | 6 | 6 | 6 | 6 | 6 | 6 |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
Key Differentiators
- Integrated HV shunt regulator eliminates external LDO (vs PIC12F752-E/P)
- Extended industrial temperature range in same package (vs PIC12HV752-I/P)
- Compact code footprint for 8-pin MCU category (vs PIC12F683-E/P)
Design Notes
The PIC12HV752's HV shunt regulator requires an external resistor between the unregulated input and the VHV/VSS pin to drop excess voltage. Calculate R = (Vin - VDD) / Ishunt, where Ishunt is typically 5-10 mA for stable regulation. Add a 0.1uF ceramic decoupling capacitor directly on VDD (pin 1) with traces no longer than 5mm to suppress switching noise. The shunt dissipates (Vin - VDD) x Ishunt as heat - for a 24V input at 5mA shunt, expect 95 mW dissipation in the regulator, so verify thermal margin in enclosed fixtures.
Place a 0.1uF decoupling capacitor within 5mm of the VDD pin and a 1uF bulk capacitor near the VHV input. The HV shunt is sensitive to supply ripple above 10 kHz, and excessive ripple can couple into the analog reference. Keep analog input traces short and routed away from digital switching lines to minimize ADC noise. For through-hole 8-PDIP designs, ensure the power traces handle the shunt regulator's dissipation without excessive voltage drop.
Do not assume the PIC12HV752 and PIC12F752 are interchangeable in PCB layouts - the HV752 has a dedicated VHV shunt function on pin 8 in some package variants. Also, the MCLR pin (RA3) is shared with VPP programming voltage; in-circuit serial programming requires a high-voltage pulse on this pin, so ensure any external MCLR pull-up circuit does not interfere with programming mode entry. Finally, internal 8MHz oscillator accuracy is +/- 2% typical - not suitable for UART baud-rate-sensitive links without calibration.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - automotive applications requiring formal qualification should consider PIC16F or PIC18 AEC-Q100 grades.
