PIC16HV753T-I/ST - 3.5KB Flash 8-bit MCU w/ Shunt Reg | Microchip
MPN: PIC16HV753T-I/ST ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.05 | $1.05 |
| 10 | $0.96 | $9.60 |
| 100 | $0.83 | $83.00 |
| 500 | $0.72 | $360.00 |
| 1,000 | $0.62 | $620.00 |
| 2,500 | $0.52 | $1,300.00 |
PIC16HV753T-I/ST Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, peripherals, and I/O. The PIC16HV753 belongs to the enhanced mid-range PIC® family, which sits in the broader 8-bit MCU taxonomy alongside AVR and 8051 architectures. PIC® MCUs use a Harvard architecture with separate program and data buses and a RISC instruction set optimized for deterministic, low-power embedded control. The HV prefix denotes an integrated shunt regulator that derives the internal VDD from an external high-voltage source through a series resistor - simplifying design in 9V/12V battery and constant-current LED drive applications.
Key features include 3.5KB (2K x 14) self-programmable Flash, 128 bytes RAM, on-chip 9-bit DAC, internal 8MHz oscillator with PLL options, two comparators with hysteresis, an op-amp, 8/14-bit ADC, and ICSP debug support. The integrated shunt regulator eliminates an external LDO in many battery and current-source circuits, reducing BOM cost and PCB area.
Architecturally, the device uses an enhanced mid-range 14-bit instruction set with 49 instructions, single-cycle execution (200ns @ 20MHz), and vectored interrupts. On-chip peripherals share dedicated I/O pins configurable through PPS-like alternate mapping, while the NanoWatt XLP power management suite provides multiple sleep modes drawing microamp-level currents. This combination supports low-duty-cycle battery designs spanning years of operation.
Typical applications include LED lighting drivers, battery chargers, power management controllers, sensor signal conditioning, and 4-20mA current loops. The TSSOP-14 footprint and TSSOP package variant simplify hand-soldering for prototypes and low-volume production.
When designing with this part, confirm that the PIC16HV753's integrated shunt regulator is appropriate for the supply range - the non-HV PIC16F753 variant is preferred for low-voltage (<=5.5V) designs. Use the on-chip op-amp and 9-bit DAC for closed-loop current control to minimize external component count.
This page synthesizes distributor pricing, same-package alternatives, and practical design notes not collected in the manufacturer datasheet alone.
Drop-in alternatives for PIC16HV753T-I/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 PIC16HV753T-I/ST (same form factor and footprint) — differing in Comparators, Operating Temperature, Package, ADC, I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16HV753-I/ST
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16HV753T-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16HV616T-I/ST
✅ Drop-In✓ In Stock
$0.66 / Unit
View Datasheet →PIC16HV610T-I/ST
✅ Drop-In✓ In Stock
$0.94 / Unit
View Datasheet →PIC16F1825T-I/ST
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F684-I/ST
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16HV753T-I/ST Maximum Ratings & Electrical Characteristics
| Architecture | PIC16 enhanced mid-range 8-bit RISC |
| Program Memory | 3.5KB Flash (2K x 14 words) |
| Data Memory (RAM) | 128 bytes |
| Instruction Set | 49 instructions, 14-bit |
| CPU Speed | 20 MHz maximum (200 ns instruction cycle) |
| Operating Voltage | 2.0 V to 5.5 V (HV shunt regulated from higher VIN) |
| I/O Pins | 12 digital I/O |
| ADC | 8-bit (up to 14-bit resolution mode), up to 9 channels |
| DAC | 9-bit, 1 channel |
| Comparators | 2 with selectable hysteresis |
| Op-Amp | 1 on-chip operational amplifier |
| Timers | 1x 8-bit, 2x 16-bit with PWM |
| Internal Oscillator | 8 MHz with PLL options |
| Integrated Shunt Regulator | Yes (HV variant) |
| Package | 14-pin TSSOP (ST), tape and reel |
| Operating Temperature | -40C to +85C (industrial grade, 'I') |
| Mounting Type | Surface Mount (gull-wing) |
| RoHS Status | Compliant |
PIC16HV753T-I/ST Pin Configuration
| Pin 1 | VDD — Positive supply voltage (regulated by internal shunt regulator from external high-voltage source) |
| Pin 2 | RA5/AN4/C1IN+/C2IN-/VDD_SHUNT — Bidirectional I/O / analog input / comparator input / shunt regulator pin |
| Pin 3 | RA4/AN3/C1IN-/C2IN+ — Bidirectional I/O / analog input / comparator input |
| Pin 4 | RA3/MCLR/VPP — Bidirectional I/O / Master Clear (reset) / programming voltage |
| Pin 5 | RC5/AN6/CCP1/P1A — Bidirectional I/O / analog input / CCP1 PWM output / PWM complementary output |
| Pin 6 | RC4/AN5/C2OUT/P1B — Bidirectional I/O / analog input / comparator output / PWM output |
| Pin 7 | RC3/AN7/C1OUT/P1C/P1D — Bidirectional I/O / analog input / comparator output / PWM outputs |
| Pin 8 | RC2/AN8/P1D/P1C — Bidirectional I/O / analog input / PWM outputs |
| Pin 9 | RC1/AN9/DACOUT/P1B — Bidirectional I/O / analog input / DAC output / PWM output |
| Pin 10 | RC0/AN10/P1A — Bidirectional I/O / analog input / PWM output |
| Pin 11 | RA2/AN2/DACREF-/C2IN+ — Bidirectional I/O / analog input / DAC negative reference / comparator input |
| Pin 12 | RA1/AN1/DACREF+/C1IN+/OPA1IN+ — Bidirectional I/O / analog input / DAC positive reference / comparator input / op-amp positive input |
| Pin 13 | RA0/AN0/OPA1OUT/C1IN-/ICSPDAT — Bidirectional I/O / analog input / op-amp output / comparator input / ICSP data |
| Pin 14 | VSS — Ground reference |
Typical Applications
PIC16HV753T-I/ST is suitable for 7 applications: Constant-Current LED Lighting Driver, Battery Charger Controller, 4-20mA Current Loop Sensor Transmitter, Sensor Signal Conditioning Hub, White Goods Appliance Control, Solar Battery Charge Controller, Automotive Accessory Controller.
Constant-Current LED Lighting Driver
The PIC16HV753T-I/ST is well suited to constant-current LED drivers because its integrated shunt regulator derives a regulated 5V VDD from a 9V-12V LED string supply through a single external resistor, eliminating an external LDO. The on-chip op-amp closes the loop with a sense resistor to regulate LED current, while the 9-bit DAC sets the analog current reference for analog dimming. The 20MHz PIC core handles PWM dimming with 10-bit resolution at 20kHz, providing flicker-free brightness control. Compared to discrete solutions, the HV753 reduces BOM by 4-5 parts and shrinks PCB area in E12/E27 retrofit bulbs and architectural lighting fixtures.
Recommended
Battery Charger Controller
The PIC16HV753T-I/ST fits primary-cell and rechargeable battery charger controllers because its shunt regulator allows direct connection to wall-adapter inputs of 9V-15V without external regulation. The ADC monitors battery voltage and current while the on-chip op-amp and DAC form a closed-loop current regulator. NanoWatt XLP sleep modes draw microamp-level currents during standby, extending shelf life of AA/AAA powered products. The 3.5KB Flash accommodates CC-CV charge algorithms for Li-Ion, NiMH, and lead-acid chemistries. Compared to the PIC16F753, the HV753 saves the cost of an external switching or linear regulator.
Recommended
4-20mA Current Loop Sensor Transmitter
The PIC16HV753T-I/ST excels in 2-wire 4-20mA industrial loop transmitters because its shunt regulator derives VDD directly from the loop current, eliminating the need for an external loop-powered LDO. The on-chip 14-bit ADC and op-amp condition sensor signals from RTDs, thermocouples, or strain gauges, while the 9-bit DAC drives the loop-current-setting transistor. Industrial temperature grade (-40C to +85C) and high ESD tolerance suit harsh factory environments. The PIC's deterministic interrupt latency ensures reliable HART or Modbus RTU protocol handling when needed. Compared to discrete loop designs, the HV753 reduces part count by 60%.
Recommended
Sensor Signal Conditioning Hub
The PIC16HV753T-I/ST is a strong fit for sensor signal conditioning hubs because it integrates an op-amp, two comparators with hysteresis, 8/14-bit ADC, and 9-bit DAC on a single die - replacing 3-4 external analog ICs. The op-amp amplifies low-level bridge sensor outputs, while the comparators provide threshold detection for alarms. The integrated shunt regulator allows direct connection to 12V-24V industrial rails. The 3.5KB Flash and NanoWatt XLP modes support battery-powered wireless sensor nodes with multi-year lifetimes. This combination shrinks PCB area and BOM cost in IoT and process-control applications.
Recommended
White Goods Appliance Control
The PIC16HV753T-I/ST is well suited to white goods appliance control modules (washers, dishwashers, refrigerators) because its shunt regulator allows direct connection to rectified 12V-24V AC mains without external regulation. The 20MHz core, 12 I/O pins, and PWM timers drive motors, valves, and indicators with deterministic timing. Industrial temperature grade (-40C to +85C) and robust ESD performance ensure reliability in motor-noise environments. The 3.5KB Flash holds user-interface firmware and diagnostic routines, while EEPROM emulation stores calibration data. Compared to the PIC16F753, the HV753 saves external regulator cost in high-volume appliance designs.
Recommended
Solar Battery Charge Controller
The PIC16HV753T-I/ST fits small-scale solar battery charge controllers because its integrated shunt regulator handles input voltages up to the maximum VDD shunt limit, supporting 6V-12V solar panel arrays without external regulation. The ADC monitors panel voltage, battery voltage, and charge current through resistive dividers and a sense resistor. The 9-bit DAC sets MPPT or PWM charge reference. NanoWatt XLP sleep modes reduce quiescent draw at night to microamps, preserving battery charge during storage. The 3.5KB Flash accommodates MPPT algorithms for off-grid solar garden lights, signage, and remote telemetry.
Recommended
Automotive Accessory Controller
The PIC16HV753T-I/ST works well for automotive accessory controllers (interior lighting, seat heaters, mirror controllers) because its integrated shunt regulator accepts 12V battery inputs through a current-limiting resistor, and its industrial temperature grade spans -40C to +85C typical automotive cabin conditions. The 20MHz core and PWM timers drive LEDs and resistive heaters with smooth dimming. The on-chip op-amp and 9-bit DAC enable closed-loop current regulation for LED strings. Although the part is not AEC-Q100 qualified, it serves well in non-safety automotive body electronics; AEC-Q100 designs should use PIC16F753-E variants instead.
Recommended
Recommended Products Summary
Engineering reference data for PIC16HV753T-I/ST — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16HV753-I/ST | PIC16HV616T-I/ST | PIC16HV610T-I/ST | PIC16F1825T-I/ST | PIC16F684-I/ST |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TSSOP-14 (ST) | TSSOP-14 - same | TSSOP-14 - same | TSSOP-14 - same | TSSOP-14 - same | TSSOP-14 - same |
| Program Memory (Flash) | 3.5KB | 3.5KB | 3.5KB | 1.75KB | 14KB | 3.5KB |
| RAM | 128 bytes | 128 bytes | 128 bytes | 64 bytes | 1KB | 128 bytes |
| Integrated Shunt Regulator | Yes (HV variant) | Yes | Yes | Yes | No (5V max) | No (5V max) |
| I/O Pins | 12 | 12 | 11 | 11 | 12 | 12 |
| On-Chip DAC | 9-bit | 9-bit | None | None | 5-bit | None |
| On-Chip Op-Amp | Yes | Yes | No | No | No | No |
| Maximum Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 32 MHz | 20 MHz |
| Operating Voltage | 2.0V-5.5V (via shunt regulator) | 2.0V-5.5V (via shunt regulator) | 2.0V-5.5V (via shunt regulator) | 2.0V-5.5V (via shunt regulator) | 1.8V-5.5V (no shunt regulator) | 2.0V-5.5V (no shunt regulator) |
| Approximate Unit Price (1pc) | $1.05 | ~$1.05 | ~$1.10 | ~$0.90 | ~$1.20 | ~$1.05 |
Key Differentiators
- Integrated shunt regulator eliminates external LDO (vs PIC16F1825T-I/ST)
- Higher peripheral integration (op-amp + 9-bit DAC) (vs PIC16HV616T-I/ST)
- Larger Flash and richer peripherals vs. entry-level HV parts (vs PIC16HV610T-I/ST)
Design Notes
The PIC16HV753's integrated shunt regulator requires an external series resistor between the high-voltage source (VIN) and the VDD pin. Per Microchip datasheet, R_SERIES = (VIN - VDD) / (IDD_max + I_shunt), with typical VDD = 5V and IDD_max = 5mA active. For a 12V input, choose R_SERIES ≈ 1.4 kOhm at 0.25W to keep within dissipation limits. Place R_SERIES close to the VDD pin to minimize noise injection.
Do not exceed the maximum VDD shunt regulator input voltage. According to the Microchip PIC16F753/HV753 datasheet, the absolute maximum shunt regulator input depends on R_SERIES power rating; 15V is the practical limit for a 0.25W resistor. For higher inputs, use the PIC16HV753-E variants or add a Zener clamp. A common pitfall is forgetting to compute R_SERIES power dissipation correctly, leading to resistor failure.
Place the VDD decoupling capacitor (0.1uF ceramic minimum, 10uF recommended) as close to the VDD pin as possible. Keep the analog traces (DACREF+/DACREF-, OPA1IN+, OPA1OUT) short and away from PWM digital outputs to minimize coupling. Per Microchip datasheet, add a 4.7kohm pull-up on MCLR for reliable reset, and connect VSS to a solid ground plane to reduce EMI in motor/LED applications.
Route the ICSPDAT and ICSPCLK pins to a dedicated 2x3 or 1x6 header for in-circuit serial programming and debugging. Per Microchip datasheet, ICSPCLK requires a pull-down and ICSPDAT a pull-up for reliable programming. Keep the programming header isolated from high-current traces (LED drivers, motor phases) to prevent programming errors during firmware updates.
Compliance Information
Industrial temperature grade (-40C to +85C). Not AEC-Q100 qualified - use PIC16F753-I or HV753-E automotive variants for AEC-Q100 applications. RoHS and REACH compliance per Microchip product page and LCSC listing.
