PIC12HV752T-I/MF - 8-bit MCU 1.75KB Flash 20MHz 8-DFN | Microchip
MPN: PIC12HV752T-I/MF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.38 | $1.38 |
| 10 | $1.24 | $12.40 |
| 100 | $1.1 | $110.00 |
| 500 | $0.99 | $495.00 |
| 1,000 | $0.88 | $880.00 |
PIC12HV752T-I/MF Overview
What is an 8-bit PIC® microcontroller? An 8-bit MCU is a single-chip computer with an 8-bit data path, ALU, program counter, and integrated memory plus peripherals, used to sense, decide, and actuate in embedded systems. PIC® mid-range devices sit in the taxonomy: microcontroller -> 8-bit MCU -> PIC® family -> PIC12F sub-family -> mid-range core. The HV752 variant (HV = high voltage) supports a wide supply range from 2.0 V to a user-defined VDDHV limit typically regulated via an internal shunt regulator, which lets the part operate directly from unregulated busses.
Key features include a 5-channel 10-bit ADC with selectable references, two high-speed analog comparators (20 ns response), one Capture-Compare-PWM (CCP) module, an enhanced PWM with dead-band control, an 8-bit DAC, an internal voltage reference, two 8-bit timers plus one 16-bit timer, and a 4x PLL for 32 MHz operation. The 'HV' shunt regulator removes the need for an external regulator in many line-powered or battery stacks.
Architecturally, the device uses Microchip's enhanced mid-range 14-bit instruction set, an 8-level hardware stack, and a single-cycle internal oscillator. The 20 MHz CPU clock delivers 5 MIPS throughput, sufficient for control loops, LED dimming, and simple sensor conditioning. Self-programmable flash and an ICD interface support field firmware updates.
Typical applications include LED drivers and lighting control, battery charging front-ends, energy harvesting converters, sensor signal conditioning, small appliance controls, and IoT edge nodes. The 8-DFN package suits space-constrained designs down to roughly 10 mm².
When designing, note that the exposed pad must be soldered to the ground plane for thermal dissipation and electrical reference. Decoupling caps of 0.1 µF and 1 µF should be placed within 2 mm of VDD; the ADC requires a clean analog supply and AGND tie-back. Programming/debugging uses Microchip's MPLAB X with PICkit or ICD tools.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC12HV752T-I/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 PIC12HV752T-I/MF (same form factor and footprint) — differing in ADC, Internal Oscillator, Operating Temperature, Package, Analog Comparators.
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/MF
✅ Drop-In✓ In Stock
$0.48 / Unit
View Datasheet →PIC12F752-I/MF
✅ Drop-In✓ In Stock
$0.67 / Unit
View Datasheet →PIC12F752-E/MF
✅ Drop-In✓ In Stock
$0.66 / Unit
View Datasheet →PIC12F1840-I/MF
✅ Drop-In📋 Reference alternative (not in catalog)
PIC12HV752T-I/MF Maximum Ratings & Electrical Characteristics
| Core | PIC® Mid-Range 8-bit |
| Program Memory Size | 1.75 KB (1K x 14) Flash |
| RAM Size | 64 bytes |
| Maximum CPU Speed | 20 MHz (5 MIPS) |
| Internal Oscillator | 8 MHz (with 4x PLL to 32 MHz) |
| Supply Voltage Range | 2.0 V to VDDHV shunt limit (typ. 5 V regulated) |
| I/O Pins | 6 |
| ADC | 10-bit, up to 5 channels |
| Comparators | 2 x High-Speed Analog (20 ns) |
| PWM/CCP | 1 CCP + Enhanced PWM with dead-band |
| Timers | 2 x 8-bit, 1 x 16-bit |
| DAC | 1 x 8-bit |
| Package | 8-VDFN Exposed Pad (3x3 mm) |
| Operating Temperature | -40 °C to +85 °C (Industrial) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC12HV752T-I/MF Pin Configuration
| Pin 1 | VDD — Positive supply voltage (regulated or post-shunt) |
| Pin 2 | GP5/T1CKI/P1A/CCP1/AN4 — GPIO/ Timer1 clock/ PWM output/ CCP1/ Analog input 4 |
| Pin 3 | GP4/AN3/C1IN+/P1D — GPIO/ Analog input 3/ Comparator 1 non-inverting input/ PWM output |
| Pin 4 | GP3/MCLR/VPP — GPIO/ Master Clear reset (active low)/ Programming voltage |
| Pin 5 | GP2/COUT/AN2/P1B — GPIO/ Comparator output/ Analog input 2/ PWM output |
| Pin 6 | GP1/ICSPCLK/AN1/C1IN0- — GPIO/ ICSP clock/ Analog input 1/ Comparator 1 inverting input |
| Pin 7 | GP0/ICSPDAT/AN0/C1IN+ — GPIO/ ICSP data/ Analog input 0/ Comparator 1 non-inverting input |
| Pin 8 | HVIN/VSS — High-voltage shunt regulator input / Ground (exposed pad serves as primary VSS) |
Typical Applications
PIC12HV752T-I/MF is suitable for 7 applications: LED Lighting Drivers and Dimming, Battery Charging Front-End Controllers, Energy Harvesting Power Conditioning, Sensor Signal Conditioning, Small Appliance Control, IoT Edge Sensor Nodes, Automotive Interior Lighting and Trim.
LED Lighting Drivers and Dimming
The PIC12HV752T-I/MF is well suited for LED lighting control because its enhanced PWM module with programmable dead-band control and 5-channel 10-bit ADC enables precise dimming and color-mixing loops. The integrated HV shunt regulator allows direct connection to 12 V or 24 V LED driver rails without an external LDO, reducing BOM cost by one regulator and its capacitors. With 5 MIPS throughput at 20 MHz CPU, the device can run closed-loop current control at PWM frequencies above 1 kHz without flicker. The 8-VDFN package fits inside compact MR16 and linear strip form factors where board area is at a premium.
Recommended
Battery Charging Front-End Controllers
The PIC12HV752T-I/MF serves as a battery charging front-end controller for single-cell Li-ion or multi-cell NiMH packs. Its two 20 ns high-speed analog comparators can monitor charge current via a shunt resistor, while the 10-bit ADC measures battery voltage for CC-CV profile tracking. The HV shunt regulator accepts input voltages up to the user-defined VDDHV limit, allowing direct connection to solar panels or unregulated adapters without an external regulator. The 8-KB flash equivalent instruction space supports lookup tables for temperature-compensated charge profiles.
Recommended
Energy Harvesting Power Conditioning
The PIC12HV752T-I/MF is ideal for energy harvesting converters interfacing with thermoelectric generators or small photovoltaic cells. The HV shunt regulator accepts the wide, variable output voltage of harvesting sources and clamps it to a usable rail, while the ADC and comparators implement maximum power point tracking (MPPT) algorithms. Low-power sleep modes down to microamp-level quiescent current extend operating life on harvested energy. The 8-VDFN package allows integration into wearable and IoT sensor nodes where board area is severely constrained.
Recommended
Sensor Signal Conditioning
The PIC12HV752T-I/MF handles sensor signal conditioning for industrial and consumer measurement systems. The 10-bit ADC with up to 5 input channels multiplexes multiple sensors, while the two analog comparators provide fast threshold detection for alarms or hysteresis control. The 8-bit DAC generates excitation voltages for ratiometric bridges or 4-20 mA loops. The HV shunt regulator isolates the analog section from noisy digital or switching supplies. The compact 8-VDFN package integrates easily alongside MEMS sensors in compact modules.
Recommended
Small Appliance Control
The PIC12HV752T-I/MF drives small appliance controls such as coffee makers, blenders, fans, and kitchen hoods. The CCP module generates the PWM signals for motor speed or heating element control, while the ADC reads temperature, humidity, or rotary encoder inputs. The HV shunt regulator accepts the rectified mains-derived DC bus directly, eliminating an external regulator. Industrial temperature grade (-40 °C to +85 °C) supports appliance and light-industrial environments. The 8-VDFN package withstands the high-heat reflow profiles common in appliance manufacturing.
Recommended
IoT Edge Sensor Nodes
The PIC12HV752T-I/MF functions as an IoT edge sensor node processor for building automation, agricultural monitoring, and smart home deployments. The 5-channel 10-bit ADC reads temperature, humidity, and gas sensors, while the comparators provide threshold-based wake-up interrupts to minimize power consumption. The HV shunt regulator accepts varied power inputs including 12 V wall adapters and unregulated battery stacks. UART, SPI, and I2C peripherals connect to radio modules such as LoRa, Sub-GHz, or Bluetooth transceivers. The 8-VDFN package fits inside small sensor enclosures.
Recommended
Automotive Interior Lighting and Trim
The PIC12HV752T-I/MF with the PIC12HV752-E/MF extended-temperature variant is suited for automotive interior lighting, ambient trim, and indicator control. The enhanced PWM with dead-band control drives LED strings smoothly without color shift, while the 10-bit ADC monitors current sensing for fault detection. The HV shunt regulator accepts the 12 V automotive bus directly, eliminating an external regulator stage. Operating from -40 °C to +125 °C in the -E variant, the part handles under-dash and door-panel thermal environments. The 8-VDFN package mounts within tight LED housing geometries.
Recommended
Recommended Products Summary
Engineering reference data for PIC12HV752T-I/MF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC12HV752-I/MF | PIC12HV752-E/MF | PIC12F752-I/MF | PIC12F1840-I/MF |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-VDFN EP (3x3 mm) | 8-VDFN EP (3x3 mm) - same | 8-VDFN EP (3x3 mm) - same | 8-VDFN EP (3x3 mm) - same | 8-VDFN EP (3x3 mm) - same |
| Flash Memory | 1.75 KB | 1.75 KB | 1.75 KB | 1.75 KB | 7 KB |
| RAM | 64 B | 64 B | 64 B | 64 B | 256 B |
| HV Shunt Regulator | Yes (integrated) | Yes (integrated) | Yes (integrated) | No | No |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +125C (Extended) | -40C to +85C | -40C to +85C |
| CPU Speed | 20 MHz (5 MIPS) | 20 MHz (5 MIPS) | 20 MHz (5 MIPS) | 20 MHz (5 MIPS) | 32 MHz (8 MIPS) |
| ADC | 10-bit, 5 ch | 10-bit, 5 ch | 10-bit, 5 ch | 10-bit, 5 ch | 10-bit, 8 ch |
| Comparators | 2 x 20 ns | 2 x 20 ns | 2 x 20 ns | 2 x 20 ns | 2 x (different response) |
| Delivery Format | Tape & Reel | Tube/Tray | Tube/Tray | Tube/Tray | Tube/Tray |
Key Differentiators
- Integrated HV shunt regulator eliminates external 5 V LDO (vs PIC12F752-I/MF)
- Extended temperature grade option for automotive and industrial (vs PIC12HV752-I/MF)
- 5 MIPS mid-range core vs 8-bit baseline performance (vs PIC12F1840-I/MF)
Design Notes
The 8-VDFN exposed pad is the primary ground path and thermal dissipation route. Estimated: with a 4-layer 1 oz copper PCB, theta_JA is approximately 50 C/W. For applications where the device sources or sinks significant GPIO current (20 mA per pin), solder the exposed pad to a ground copper pour of at least 25 mm² to keep junction temperature rise below 10 °C at room ambient. Without the exposed pad soldered, ground impedance rises and thermal performance degrades significantly.
The HV shunt regulator requires an external shunt resistor between HVIN and VDD. Per the Microchip PIC12F752/HV752 datasheet, the resistor value is chosen based on the input voltage and desired VDD: R_SHUNT = (V_IN - V_DD) / I_SHUNT. For V_IN = 12 V and V_DD = 5 V at I_SHUNT = 5 mA, R_SHUNT = 1.4 kohm. Place a 1 µF decoupling capacitor within 2 mm of the VDD pin and a 0.1 µF capacitor in parallel for high-frequency noise suppression on the HV input rail.
Route the ICSP pins (GP0/ICSPDAT and GP1/ICSPCLK) to a 2x3 or 1x6 header compatible with the PICkit programming toolchain. Keep the ICSP traces short and away from switching nodes or PWM outputs to avoid programming glitches. Place the decoupling capacitor on VDD within 2 mm and use a star-ground topology tying the exposed pad, decoupling cap ground, and shunt regulator ground at a single point to minimize ground bounce during ADC sampling.
Do not exceed the absolute maximum V_IN of 15 V on the HV shunt regulator input or the internal Zener will clamp destructively. The HV variant is NOT a high-side switching regulator; it is a passive shunt regulator that dumps excess voltage as heat. Estimated: at V_IN = 12 V, V_DD = 5 V, and I_SHUNT = 5 mA, the shunt resistor dissipates 35 mW. For high-current loads, switch to the PIC12F752 (non-HV) variant and use an external switching regulator instead.
For accurate ADC readings, place a 100 nF capacitor on each analog input pin that is actively sampled, and ensure the analog signal source impedance is below 10 kohm to allow the sample-and-hold capacitor to settle within the acquisition window. Use separate analog and digital ground planes tied at a single point beneath the IC. The two 20 ns comparators are sensitive to PCB trace coupling; keep comparator input traces short and guarded with ground on both sides.
Compliance Information
RoHS and REACH compliance confirmed by Microchip product page. The PIC12HV752T-I/MF is the industrial temperature grade; the PIC12HV752-E/MF variant is the extended temperature grade. Neither is AEC-Q100 qualified - choose an automotive-grade PIC MCU for AEC-Q100 requirements.
