PIC16HV753-E/ST - 8-Bit MCU, 3.5KB Flash, 20MHz, 14-TSSOP | Microchip
MPN: PIC16HV753-E/ST ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.66 | $1.66 |
| 10 | $1.51 | $15.10 |
| 100 | $1.3 | $130.00 |
| 500 | $1.15 | $575.00 |
| 1,000 | $1.05 | $1,050.00 |
PIC16HV753-E/ST Overview
What is an 8-bit PIC microcontroller? An 8-bit PIC (Peripheral Interface Controller) is a Harvard-architecture RISC microcontroller from Microchip Technology whose ALU and data paths are 8 bits wide. The PIC16F family is the mid-range tier within this hierarchy (PIC -> PIC16 -> PIC16HV753), optimized for low-cost, low-power mixed-signal embedded control in industrial, consumer, and automotive sensor-interface applications. The PIC16HV753 adds an integrated shunt regulator, allowing direct operation from high-voltage rails (up to 15V nominal).
Key features of the PIC16HV753 include nanoWatt XLP extreme-low-power technology with <50 nA sleep current, a 9-bit DAC for bias or trim voltages, two rail-to-rail comparators with programmable references, a 10-bit ADC with up to 8 channels, and integrated mTouch capacitive-sensing support. The internal shunt regulator eliminates the need for an external 3.3V or 5V LDO when the device is powered from industrial 12V or 24V rails, reducing BOM and PCB area.
The PIC16HV753 uses a 14-bit instruction word and a RISC pipeline, providing deterministic interrupt response and predictable execution timing critical for sensor sampling and motor control loops. Enhanced mid-range core features include a hardware stack, table reads/writes to Flash, and a wide operating voltage range enabled by the internal shunt regulator. The high-voltage shunt operates with external resistors on a wide input voltage range, ideal for distributed sensor nodes.
Typical applications include battery chargers, LED lighting controllers, smart sensor nodes, industrial 4-20mA loop powered devices, and consumer appliance control. The shunt regulator makes the PIC16HV753 particularly well suited for direct connection to 12V automotive or industrial buses without an external voltage regulator stage.
When designing with this device, ensure the shunt resistor is sized correctly for the expected input voltage range and load current. Program memory is self-programmable via ICSP, and debugging is supported through the ICD 3 toolchain. Pin-compatible PIC16F753 variants without the shunt regulator are drop-in alternatives for designs that already use external regulation.
Drop-in alternatives for PIC16HV753-E/ST — 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 PIC16HV753-E/ST (same form factor and footprint) — differing in I/O Pins, Internal Oscillator, Package, Operating Temperature, Instruction Set.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F753-I/ST
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC16HV753-I/ST
✅ Drop-In✓ In Stock
$0.66 / Unit
View Datasheet →PIC16HV753T-I/ST
✅ Drop-In✓ In Stock
$0.52 / Unit
View Datasheet →PIC16HV616-I/ST
✅ Drop-In✓ In Stock
$0.71 / Unit
View Datasheet →PIC16F616-I/ST
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F690-I/ST
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16HV753-E/ST Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit Microcontroller (MCU) |
| Core Architecture | PIC16 enhanced mid-range (14-bit instruction word) |
| Program Memory (Flash) | 3.5 KB (2K x 14 words) |
| SRAM | 128 bytes |
| Maximum CPU Speed | 20 MHz (5 MIPS) |
| Internal Oscillator | 8 MHz (factory calibrated, +/-1%) |
| Operating Voltage (via shunt regulator) | Wide input range with on-chip HV shunt regulator |
| I/O Pins | Up to 11 digital I/O |
| ADC | 10-bit, up to 8 channels |
| DAC | 9-bit rail-to-rail |
| Comparators | 2 with programmable references |
| PWM/CCP | Enhanced CCP, 10-bit PWM |
| Package | 14-TSSOP (4.40mm body width) |
| Operating Temperature | -40C to +125C (extended, -E suffix) |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount |
PIC16HV753-E/ST Pin Configuration
| Pin 1 | RA0/AN0/C1IN+/ICSPDAT — Bidirectional I/O, ADC input, comparator input, ICSP data |
| Pin 2 | RA1/AN1/C1IN-/VREF+/ICSPCLK — Bidirectional I/O, ADC, comparator, voltage reference, ICSP clock |
| Pin 3 | RA2/AN2/C1OUT — Bidirectional I/O, ADC, comparator output |
| Pin 4 | RA3/MCLR/VPP — Input only, master clear, programming voltage |
| Pin 5 | RA4/AN3/C2OUT/T0CKI — Bidirectional I/O, ADC, comparator 2 output, Timer0 clock |
| Pin 6 | RA5/AN4/C2IN+/OSC1/CLKIN — Bidirectional I/O, ADC, comparator 2, oscillator input |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7/OSC2/CLKOUT — Bidirectional I/O, oscillator output |
| Pin 9 | RC0/VREF+/DACOUT — Bidirectional I/O, voltage reference, DAC output |
| Pin 10 | RC1/AN5/C2IN- — Bidirectional I/O, ADC, comparator 2 negative |
| Pin 11 | RC2/AN6/P1D — Bidirectional I/O, ADC, PWM output |
| Pin 12 | RC3/AN7/CCP1/P1C — Bidirectional I/O, ADC, CCP1 PWM |
| Pin 13 | RC4/C2OUT — Bidirectional I/O, comparator 2 output |
| Pin 14 | VDD — Positive supply (via HV shunt regulator output) |
Typical Applications
PIC16HV753-E/ST is suitable for 7 applications: 12V Automotive Sensor Interface, Battery Charging Controllers, LED Lighting Control, 4-20mA Industrial Loop Powered Sensors, Smart Home Sensor Nodes, Consumer Appliance Control, Capacitive Touch User Interface.
12V Automotive Sensor Interface
The PIC16HV753-E/ST is ideal for 12V automotive sensor-interface modules thanks to its integrated high-voltage shunt regulator that operates directly from a 12V battery rail without an external LDO. According to the Microchip PIC16F753/HV753 datasheet, only a series shunt resistor is required to drop the input voltage, with internal regulation providing stable core voltage across 9V-15V supply variations typical of automotive cranking and load-dump events.
Recommended
Battery Charging Controllers
The PIC16HV753-E/ST suits multi-chemistry battery-charging controllers with its 9-bit rail-to-rail DAC for precision current programming and 10-bit ADC for voltage and temperature monitoring. Per Microchip datasheet DS40001709D, the integrated shunt regulator accepts high DC input voltages from unregulated adapters, while nanoWatt XLP technology with <50 nA sleep current extends standby life on Li-ion and NiMH battery packs.
Recommended
LED Lighting Control
For LED drivers and lighting-control modules, the PIC16HV753-E/ST delivers PWM dimming via its Enhanced CCP peripheral and the 9-bit DAC sets precise LED current references. According to Microchip datasheet DS40001709D, the HV shunt regulator enables direct connection to 12V or 24V LED fixture rails, eliminating the external switching converter typically needed to power a 5V MCU in constant-current LED drivers.
Recommended
4-20mA Industrial Loop Powered Sensors
The PIC16HV753-E/ST operates from 4-20mA current loops thanks to its on-chip high-voltage shunt regulator that derives logic supply directly from loop current without auxiliary regulation. According to Microchip datasheet DS40001709D, the 10-bit ADC accurately digitizes process variables while nanoWatt XLP sleep modes under 50 nA enable HART-compatible field transmitters. The 14-TSSOP footprint simplifies integration into compact sensor heads.
Recommended
Smart Home Sensor Nodes
Smart-home sensor endpoints benefit from the PIC16HV753-E/ST's nanoWatt XLP technology delivering under 50 nA sleep current for battery-powered temperature, humidity, or motion nodes. The 9-bit DAC drives reference voltages for sensor excitation while the 10-bit ADC reads the sensor response, and integrated mTouch capacitive-sensing peripherals support touch buttons on smart switches and thermostats.
Recommended
Consumer Appliance Control
The PIC16HV753-E/ST fits consumer appliance controllers such as coffee makers, small kitchen devices, and HVAC actuators where direct 12V or 24V mains-derived supply is available. Per Microchip datasheet DS40001709D, the integrated shunt regulator eliminates a discrete LDO stage, while Enhanced CCP PWM drives valves, pumps, and triac-control logic. The 14-TSSOP package supports space-constrained PCB layouts.
Recommended
Capacitive Touch User Interface
The PIC16HV753-E/ST supports mTouch capacitive-sensing through its on-chip comparators and CVD module, enabling reliable touch buttons and sliders in white-goods and industrial HMIs. Per Microchip datasheet DS40001709D, the 9-bit DAC drives reference voltages for capacitive measurement while nanoWatt XLP technology minimizes idle power. The 14-TSSOP package fits compact touch-pad PCBs.
Recommended
Recommended Products Summary
Engineering reference data for PIC16HV753-E/ST — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F753-I/ST | PIC16HV753-I/ST | PIC16HV616-I/ST | PIC16F616-I/ST | PIC16F690-I/ST |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-TSSOP | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same |
| Program Memory (Flash) | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 7 KB |
| SRAM | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 256 bytes |
| HV Shunt Regulator | Yes (integrated) | No (external LDO required) | Yes (integrated) | Yes (integrated) | No | No |
| 9-bit DAC | Yes | Yes | Yes | No | No | No |
| ADC | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 12 channels |
| CPU Speed | 20 MHz / 5 MIPS | 20 MHz / 5 MIPS | 20 MHz / 5 MIPS | 20 MHz / 5 MIPS | 20 MHz / 5 MIPS | 20 MHz / 5 MIPS |
| Temperature Grade | -40C to +125C (extended) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) |
Key Differentiators
- Integrated HV shunt regulator eliminates external LDO (vs PIC16F753-I/ST)
- Extended -40C to +125C temperature grade (vs PIC16HV753-I/ST)
- 9-bit rail-to-rail DAC integrated (vs PIC16HV616-I/ST)
Design Notes
The PIC16HV753's integrated HV shunt regulator requires an external series resistor between the high-voltage supply and the VDD pin. According to Microchip datasheet DS40001709D, the resistor value must be sized for the maximum expected input voltage minus VDD plus load current, accounting for shunt self-consumption. A typical 12V-to-VDD application uses a 1k-ohm resistor with a 10uF bypass capacitor on VDD. Without proper sizing, the shunt may not regulate correctly under minimum load conditions.
Power dissipation in the HV shunt regulator scales with input voltage and load current. At VIN=15V and IDD=10mA through a 1k-ohm resistor, the shunt dissipates approximately 100mW, well within the 14-TSSOP's thermal envelope. However, at VIN=24V the dissipation rises to roughly 240mW; for industrial 24V applications, ensure adequate copper pour around the VDD pin and consider a heat-spreader trace. The TSSOP package is rated for ~700mW at 25C ambient per JEDEC EIA/JESD51 standards.
Place the VDD bypass capacitor as close as possible to pin 14 with a short, wide trace to minimize inductance. The shunt resistor should connect directly to the high-voltage input supply trace. Decouple the MCLR/VPP pin (pin 4) with a 100nF capacitor if not driven by an external supervisor. Use a ground plane on layer 2 to reduce EMI emissions from the internal oscillator and ADC reference, per Microchip's PIC16F753/HV753 datasheet layout guidelines.
Do not apply an external voltage directly to VDD while the HV shunt regulator is enabled; this can damage the on-chip regulator. If using a PIC16F753 variant (no shunt), an external 5V or 3.3V LDO is required. The ICSPDAT/ICSPCLK pins (RA0/RA1) are multiplexed with analog functions; configure them correctly in CONFIG before first programming. Finally, when migrating from PIC16HV753 to PIC16F753, verify that your input voltage range does not exceed the F-variant's VDD maximum.
Compliance Information
RoHS compliant per Microchip product page. AEC-Q100 automotive qualification not listed for this part; consider PIC16F753-I/ST or PIC16HV753-I/ST automotive variants for AEC-Q100 requirements.
