PIC12HV752-E/MF - 8-bit 20MHz MCU, 1.75KB Flash, 8-DFN | Microchip
MPN: PIC12HV752-E/MF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.86 | $0.86 |
| 10 | $0.78 | $7.80 |
| 100 | $0.69 | $69.00 |
| 500 | $0.61 | $305.00 |
| 1,000 | $0.55 | $550.00 |
| 3,000 | $0.48 | $1,440.00 |
PIC12HV752-E/MF Overview
A microcontroller (MCU) is a single-chip computer that combines a CPU core, program memory, working RAM, and configurable peripherals such as timers, ADC, comparators, and communication interfaces. The PIC12HV752 sits at the low-pin-count end of the PIC mid-range core family - the smallest PIC12F devices - and trades processing throughput for compact footprint, low cost, and analog-rich integration including two high-speed analog comparators (20 ns response time) and one Capture-Compare-PWM (CCP) module. This positioning makes it a workhorse for cost-sensitive embedded control where discrete analog and a small MCU can replace a multi-chip analog front end.
Key differentiating features include the 2 high-speed analog comparators with 20 ns propagation delay for peak current-mode control or fast feedback loops, a single CCP channel for PWM generation, a 10-bit ADC up to 4 channels, and an internal 8 MHz oscillator factory calibrated to +/-1 percent. The device offers 8-bit PIC mid-range core compatibility with 35 instructions, all single-cycle except branches, providing deterministic interrupt latency ideal for hard real-time loops.
The PIC12HV752-E/MF is well suited to LED lighting controllers, DC-DC peak current-mode power supplies, battery chargers, fan/thermostat controllers, and any application where a small MCU drives an analog feedback loop without external analog components. Its internal HV shunt regulator allows the part to power itself from a wide DC bus (typical application circuits demonstrate 12 V to 24 V operation), simplifying isolated or off-line designs. A standard external 5.1 V shunt reference replaces a separate regulator IC, reducing BOM count and PCB area in cost-driven products.
When laying out the 8-DFN package, dedicate the exposed thermal pad to a contiguous ground copper pour with at least 6 thermal vias to the inner ground plane to keep junction temperature under the 150 C maximum during continuous switching. Use a 0.1 uF decoupling capacitor within 5 mm of the VDD pin. For HV applications, place the external 5.1 V Zener/shunt reference within 10 mm of the HVIN pin to minimize parasitic inductance and ringing.
This page synthesizes distributor stock and pricing, pin-compatible drop-in alternatives, and engineering design notes not collected in a single place in the manufacturer datasheet, giving procurement and design teams a faster path to a production-ready BOM.
Drop-in alternatives for PIC12HV752-E/MF — 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/MF (same form factor and footprint) — differing in Operating Temperature, Package, ADC, Analog Comparators, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC12F752-E/MF
✅ Drop-In✓ In Stock
$0.66 / Unit
View Datasheet →PIC12HV752-I/MF
✅ Drop-In✓ In Stock
$0.79 / Unit
View Datasheet →PIC12HV752-E/MF Maximum Ratings & Electrical Characteristics
| Core | PIC mid-range 8-bit RISC |
| Program Memory (Flash) | 1.75 KB (1K x 14) |
| RAM | 64 bytes |
| EEPROM | 0 bytes (none) |
| Maximum CPU Frequency | 20 MHz |
| MIPS | 5 MIPS |
| I/O Pins | 6 |
| Internal Oscillator | 8 MHz (factory calibrated) |
| ADC | 10-bit, up to 4 channels |
| Analog Comparators | 2 high-speed (20 ns response) |
| CCP Modules | 1 (Capture/Compare/PWM) |
| Timers | 8-bit Timer0, 16-bit Timer1 |
| Instruction Set | 35 instructions, single-cycle (branches 2-cycle) |
| Operating Voltage | 1.8 V to 5.5 V core |
| HV Shunt Regulator | Internal, external 5.1 V shunt reference required |
| Operating Temperature | -40 C to +125 C (E suffix, industrial) |
| Package | 8-pin DFN (3 x 3 mm) |
| Mounting Type | Surface Mount |
| MSL Level | 1 (unlimited floor life) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC12HV752-E/MF Pin Configuration
| Pin 1 | VDD — Positive supply voltage (regulated 5 V output of HV shunt regulator, or external 2.0-5.5 V) |
| Pin 2 | RA5/CCP1/P1A — Digital I/O / CCP1 input / PWM output |
| Pin 3 | RA4/AN3/C1OUT — Digital I/O / analog input / comparator 1 output |
| Pin 4 | RA3/MCLR/VPP — Digital input / Master Clear reset / programming voltage |
| Pin 5 | RC5/RX/C2OUT — Digital I/O / EUSART RX / comparator 2 output |
| Pin 6 | RC4/TX/C2IN+ — Digital I/O / EUSART TX / comparator 2 non-inverting input |
| Pin 7 | RC3/AN7/C1IN+ — Digital I/O / analog input / comparator 1 non-inverting input |
| Pin 8 | VSS — Ground reference |
| Pin EP | EP — Exposed thermal pad - connect to ground copper pour with thermal vias |
Typical Applications
PIC12HV752-E/MF is suitable for 7 applications: LED Lighting Controllers, DC-DC Peak Current-Mode Power Supplies, Battery Chargers for Li-Ion / NiMH Packs, Fan / Thermostat Speed Controllers, Capacitive Touch User Interfaces, Sensor Signal Conditioning and Threshold Alarms, Cost-Sensitive Consumer Appliances.
LED Lighting Controllers
The PIC12HV752-E/MF is purpose-built for dimmable LED driver control with constant-current regulation. Its two 20 ns analog comparators implement peak current-mode control loops that regulate inductor current through a switching MOSFET, while the 8 MHz internal oscillator and 5 MIPS throughput drive a 10-bit ADC sampling of the LED current-sense amplifier at >50 kHz. The internal HV shunt regulator lets the part run directly from a 12 V to 24 V LED bus without a separate LDO IC, reducing BOM cost. Reference designs in the Microchip datasheet 40001576D demonstrate TRIAC-dimmable and 0-10 V analog dimming topologies targeting residential and commercial luminaires. Engineers benefit from the CCP module generating PWM dimming at frequencies above the audible band, eliminating acoustic noise in fixtures.
Recommended
DC-DC Peak Current-Mode Power Supplies
The two 20 ns high-speed analog comparators in the PIC12HV752-E/MF implement primary-side peak current-mode control for isolated or non-isolated DC-DC converters. The CCP module provides PWM switching up to 200 kHz, and the 5 MIPS mid-range core runs a state machine for soft-start, slope compensation, and overcurrent protection. The internal HV shunt regulator allows direct connection to a 12 V or 24 V input bus, removing the need for a startup regulator. This combination is ideal for sub-50 W auxiliary supplies, isolated POL converters, and digital point-of-load replacements for legacy UC3842/UC3843 designs. Reference firmware and app notes from Microchip demonstrate closed-loop stability at 50 kHz to 200 kHz switching frequencies.
Recommended
Battery Chargers for Li-Ion / NiMH Packs
The PIC12HV752-E/MF controls single-cell Li-Ion / Li-Po and NiMH charging cycles using the 10-bit ADC for voltage and current feedback, and a comparator for end-of-charge detection. The HV shunt regulator variant enables direct connection to a 9 V to 16 V adapter rail, while the same part handles the CC/CV charge profile firmware in the 1.75 KB Flash. The compact 8-DFN package fits inside handheld charger enclosures and the exposed thermal pad handles continuous switching losses at moderate charge currents. Application circuits in the Microchip datasheet 40001576D show temperature-qualified charging using the ADC and an external thermistor.
Recommended
Fan / Thermostat Speed Controllers
The PIC12HV752-E/MF drives brushless DC fan speed controllers via back-EMF sensing through one of its 20 ns analog comparators, while the other comparator provides overcurrent protection. The 10-bit ADC samples thermistor or NTC inputs for temperature-based fan curves, and the CCP module generates PWM drive signals up to 25 kHz for low-noise operation. Industrial temperature rating (-40 C to +125 C for the E variant) supports HVAC, refrigerator, and industrial enclosure cooling markets. Reference designs use the HV shunt regulator to power directly from a 12 V or 24 V fan bus, eliminating the auxiliary supply in fan hub designs.
Recommended
Capacitive Touch User Interfaces
The PIC12HV752-E/MF combined with Microchip's mTouch peripheral library supports capacitive touch sensing via the 10-bit ADC and analog comparators, enabling touch buttons and sliders without external touch ICs. The HV shunt regulator allows direct connection to a 12 V to 24 V industrial control panel supply. The 8-DFN (3x3 mm) package fits behind a 0.5 mm acrylic overlay. Reference designs show up to 4 touch channels using the available I/O, and the CCP module drives an LED indicator per button. Industrial temperature grade suits factory automation panels and appliance control boards.
Recommended
Sensor Signal Conditioning and Threshold Alarms
The PIC12HV752-E/MF provides cost-effective signal conditioning for analog sensors in industrial monitoring. The 10-bit ADC digitizes sensor outputs up to 4 channels, the two 20 ns comparators provide fast threshold detection and over-range alarms, and the CCP module generates alarm PWM tones or trigger pulses. The HV shunt regulator permits direct connection to 24 V industrial sensor buses. Typical applications include limit switches, flow meters, gas detector front ends, and pressure transducer signal chains where a small MCU with analog integration replaces several discrete op-amps and a separate timer IC.
Recommended
Cost-Sensitive Consumer Appliances
Consumer appliances such as coffee makers, slow cookers, and countertop kitchen devices use the PIC12HV752-E/MF for cooking profile control, sensor monitoring, and user interface driving. The HV shunt regulator eliminates an external 5 V regulator, the comparators provide temperature limit safety cutoffs, the ADC reads thermistor probes, and the CCP module drives heating element PWM at low frequency for thermal integration. The 8-DFN package fits densely packed appliance control boards, and the industrial temperature rating suits oven and refrigerator operating environments. Sub-$0.50 volume pricing enables broad consumer product adoption.
Recommended
Recommended Products Summary
Engineering reference data for PIC12HV752-E/MF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC12F752-E/MF | PIC12HV752-I/MF | PIC12HV752-E/SN | PIC12HV752-I/SN | PIC12F752-I/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-DFN (3x3 mm) | 8-DFN (3x3 mm) - same | 8-DFN (3x3 mm) - same | SOIC-8 - different footprint | SOIC-8 - different footprint | PDIP-8 - different footprint (THT) |
| HV Shunt Regulator | Yes (internal) | No - external 2.0-5.5 V VDD required | Yes (internal) | Yes (internal) | Yes (internal) | No - external 2.0-5.5 V VDD required |
| Core | PIC mid-range 8-bit | PIC mid-range 8-bit | PIC mid-range 8-bit | PIC mid-range 8-bit | PIC mid-range 8-bit | PIC mid-range 8-bit |
| Flash | 1.75 KB (1K x 14) | 1.75 KB | 1.75 KB | 1.75 KB | 1.75 KB | 1.75 KB |
| RAM | 64 bytes | 64 B | 64 B | 64 B | 64 B | 64 B |
| CPU 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) |
| Analog Comparators | 2 x 20 ns | 2 x 20 ns | 2 x 20 ns | 2 x 20 ns | 2 x 20 ns | 2 x 20 ns |
| Operating Temperature | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) |
| Approx Unit Price (qty 1) | $0.86 | $0.82 | $0.84 | $0.84 | $0.82 | $0.80 |
Key Differentiators
- Internal HV shunt regulator eliminates external 5V LDO (vs PIC12F752-E/MF)
- Two 20 ns analog comparators for peak current-mode control (vs PIC12F615-E/P)
- 1.75 KB Flash and 64 B RAM with full CCP PWM (vs PIC12HV609-I/P)
Design Notes
Estimated: For the 8-DFN (3x3 mm) package, dedicate the exposed thermal pad to a continuous ground copper pour with at least 6 thermal vias (0.3 mm drill) to an internal ground plane. Use 4-layer stack-up with 1 oz copper on outer layers for best heat extraction. Place the 0.1 uF VDD decoupling capacitor within 5 mm of the VDD pin and the HVIN shunt reference within 10 mm of the HVIN pin to minimize parasitic inductance. Per Microchip datasheet 40001576D layout guidance, the exposed pad must be soldered to the PCB for thermal performance and mechanical reliability.
The internal HV shunt regulator requires an external 5.1 V Zener reference and series resistor from the HVIN pin to the high-voltage bus. Calculate the resistor value: R = (Vin_max - 5.1 V) / (I_shunt + I_load), where I_shunt is typically 1 mA to 5 mA and I_load is the MCU + peripherals current. Add a 10 uF bulk capacitor on VDD and a 100 nF decoupling cap within 5 mm of the VDD pin. Do not exceed the absolute maximum HVIN voltage specified in datasheet 40001576D.
Do not confuse the PIC12HV752 with the PIC12F752 in production BOMs - the HV variant requires an external 5.1 V Zener reference and series resistor on HVIN, while the standard PIC12F752 expects a clean 2.0 V to 5.5 V supply on VDD. The pinout is identical in the same DFN-8 package, so footprint-compatible substitution requires firmware adjustment only if HV shunt features are used. Always verify the exact MPN suffix on incoming inspection; E vs I suffix denotes industrial temperature grade -40C to +125C vs -40C to +85C.
Estimated: At maximum VDD of 5.5 V and continuous operation at 20 MHz, the PIC12HV752-E/MF core dissipates approximately 25 mW to 40 mW of power, depending on peripheral activation. Junction temperature rise is roughly 5 C to 10 C above ambient for the 8-DFN package with a properly soldered exposed thermal pad connected to ground copper. For enclosed appliance designs, ensure ambient temperature inside the enclosure stays below 85 C with the MCU operating at industrial temperature grade. Refer to Microchip datasheet 40001576D thermal characteristics for confirmation.
Compliance Information
RoHS and REACH compliant per Microchip product page; lead-free and halogen-free per datasheet 40001576D. Not AEC-Q100 qualified - not intended for automotive under-hood applications. Industrial temperature -40C to +125C (E suffix).
