PIC16HV616-E/ML - 8-Bit 20MHz MCU 3.5KB Flash | Microchip
MPN: PIC16HV616-E/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.61 | $26.10 |
| 100 | $2.28 | $228.00 |
| 500 | $2.05 | $1,025.00 |
| 1,000 | $1.82 | $1,820.00 |
PIC16HV616-E/ML Overview
A microcontroller (MCU) is a single-chip computer containing a processor core, non-volatile program memory, volatile data memory, and programmable I/O peripherals. The PIC16 family uses a RISC-based Harvard architecture with a 14-bit instruction word and is aimed at cost-sensitive embedded control. Within the PIC taxonomy, the PIC16HV616 sits below the PIC18 and dsPIC families in capability but above baseline PIC10/12 devices in peripheral integration. Microchip's mid-range 8-bit cores are widely deployed in appliance controls, sensor interfaces, lighting ballasts, and battery-powered nodes where deterministic real-time response and low quiescent current matter more than raw throughput.
Key differentiating specifications include 3.5KB self-programmable Flash (100K erase/write cycles typical), 128 bytes SRAM, an internal 8MHz high-speed oscillator, an integrated 5-bit DAC and 10-bit ADC with up to 8 channels, two 8-bit timers plus one 16-bit timer, an enhanced PWM/Capture/Compare module, an on-chip voltage reference, and a unique shunt regulator capable of supplying the internal 3.3V logic from a 2V-15V supply rail. The integrated HV shunt eliminates an external LDO, reducing BOM cost and PCB area in 12V-15V industrial and automotive subsystems.
Architecturally the device uses Microchip's enhanced mid-range core (49 instructions, 16-level hardware stack) with a 14-bit program word and 8-bit data path. The high-voltage shunt regulator uses a Zener-referenced pass element that clamps excess input voltage as heat, so thermal management at the exposed pad is important for HV variants. The ADC supports an internal bandgap reference plus an external Vref+ pin, and the comparator has a programmable on-chip reference for analog signal conditioning without external resistors.
Typical applications include 12V-15V industrial sensor nodes, automotive courtesy and lighting modules, LED lighting ballasts, smoke and gas detector signal chains, white-goods control boards, and battery charging monitors. The wide VIN range and integrated shunt make the HV616 particularly useful wherever a regulated 3.3V rail is needed from a noisy or unregulated 12V bus.
When designing with this device, place a low-ESR ceramic bypass cap directly on VDD and use a low-impedance trace on the shunt shunt to the input rail. The exposed thermal pad must be soldered to a sufficiently large copper pour to dissipate the shunt regulator's power loss; expect roughly (VIN - 3.3V) x ISHUNT of heat that must flow through the PCB.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC16HV616-E/ML — 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 PIC16HV616-E/ML (same form factor and footprint) — differing in Package, Operating Temperature, Timers, ADC, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16HV610-E/ML
✅ Drop-In✓ In Stock
$1.32 / Unit
View Datasheet →PIC16HV610-I/ML
✅ Drop-In✓ In Stock
$1.24 / Unit
View Datasheet →PIC16HV610T-I/ST
✅ Drop-In✓ In Stock
$0.94 / Unit
View Datasheet →PIC16HV610-I/SL
✅ Drop-In✓ In Stock
$0.99 / Unit
View Datasheet →PIC16HV616-E/ML Maximum Ratings & Electrical Characteristics
| Architecture | 8-bit PIC16 enhanced mid-range core |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| Data RAM | 128 bytes |
| Data EEPROM | Not present |
| Maximum CPU Speed | 20 MHz |
| Operating Voltage Range | 2.0 V to 15 V (via on-chip HV shunt regulator) |
| Internal Oscillator | 8 MHz (HFINTOSC, software-selectable) |
| Number of I/O Pins | 12 (bidirectional) |
| ADC | 10-bit, up to 8 channels |
| On-chip DAC | 5-bit, 1 channel |
| Timers | Two 8-bit + one 16-bit |
| PWM/CCP Module | Enhanced CCP, up to 10-bit PWM |
| Comparators | 2 with programmable on-chip reference |
| Voltage Reference | Internal bandgap, externally accessible VREF+ pin |
| Integrated Shunt Regulator | Yes (HV variant, 3.3 V internal rail) |
| Package | 16-pin QFN (4x4 mm) with exposed pad |
| Operating Temperature Range | -40C to +125C (industrial, -E suffix) |
| RoHS Status | Compliant |
| MSL Level | 1 |
| Mounting Type | Surface Mount |
PIC16HV616-E/ML Pin Configuration
| Pin 1 | RA0/AN0/C1IN+/ICSPDAT — Bidirectional I/O / analog input / comparator input / ICSP data |
| Pin 2 | RA1/AN1/C1IN-/VREF+/ICSPCLK — Bidirectional I/O / analog input / comparator input / ADC Vref+ / ICSP clock |
| Pin 3 | RA2/AN2/CVREF/T0CKI/INT — Bidirectional I/O / analog input / comparator Vref output / Timer0 clock / external interrupt |
| Pin 4 | RA3/MCLR/VPP — Input only / Master Clear reset / programming voltage |
| Pin 5 | RA4/AN3/C1OUT/T1G/OSC2/CLKOUT — Bidirectional I/O / analog input / comparator output / Timer1 gate / crystal out / clock out |
| Pin 6 | RA5/AN4/C2IN+/OSC1/CLKIN — Bidirectional I/O / analog input / comparator input / crystal in / clock in |
| Pin 7 | VSS — Ground reference |
| Pin 8 | HVIN — High-voltage input to internal shunt regulator (2V-15V) |
| Pin 9 | RC0/AN5/C2IN- — Bidirectional I/O / analog input / comparator input |
| Pin 10 | RC1/AN6/C2IN+/DAC — Bidirectional I/O / analog input / comparator input / DAC output |
| Pin 11 | RC2/AN7/P1D — Bidirectional I/O / analog input / enhanced PWM output |
| Pin 12 | RC3/AN8/P1C — Bidirectional I/O / analog input / enhanced PWM output |
| Pin 13 | RC4/P1B/C2OUT — Bidirectional I/O / enhanced PWM output / comparator 2 output |
| Pin 14 | RC5/P1A/CCP1 — Bidirectional I/O / enhanced PWM output / CCP1 input-output |
| Pin 15 | VDD — Regulated 3.3V logic supply (output of internal shunt) |
| Pin 16 | EP — Exposed thermal pad - must be soldered to PCB ground pour |
Typical Applications
PIC16HV616-E/ML is suitable for 6 applications: 12V Industrial Sensor Node, Automotive Courtesy Lighting Module, LED Lighting Ballast Controller, Smoke and Gas Detector Signal Chain, White-Goods Control Board, Battery Charging Monitor.
12V Industrial Sensor Node
The PIC16HV616-E/ML is a strong fit for industrial 4-20mA loop-powered or 12V-15V sensor nodes because its on-chip shunt regulator accepts the bus voltage directly and derives a stable internal 3.3V logic rail, eliminating an external LDO. With 12 GPIO, a 10-bit ADC and on-chip DAC, the MCU can digitize sensor outputs, run linearization firmware, and drive a 4-20mA loop with active calibration. Compared to adding a discrete LDO + external MCU, the HV616 reduces BOM count by 3-5 parts and saves roughly 30-50 mm^2 of PCB area while still fitting in a compact 16-QFN (4x4) package, per the Microchip datasheet 41288F.
Recommended
Automotive Courtesy Lighting Module
In automotive interior lighting, the PIC16HV616-E/ML directly runs off a 12V vehicle bus without a pre-regulator thanks to its HV shunt, while its 10-bit PWM with the enhanced CCP module drives LED current at up to 10-bit resolution for smooth dimming curves. The 3.5KB Flash accommodates boot fade-in/fade-out state machines and CAN-LIN-style signaling if needed, while the -40C to +125C industrial operating range suits cabin and door-module thermal environments. Compared to a 5V MCU solution, this part removes the LDO and TVS pre-regulator chain, per the Microchip datasheet 41288F.
Recommended
LED Lighting Ballast Controller
For low-to-mid power LED ballasts, the PIC16HV616-E/ML acts as both controller and current regulator by using its 10-bit PWM to drive an external MOSFET at constant frequency, while the on-chip op-amp and comparator close a current-feedback loop without external analog ICs. The wide 2V-15V input range means the same firmware can serve 5V USB-LED fixtures and 12V MR16 retrofit lamps without redesign. Compared to a discrete PWM IC + logic, this MCU integrates timing, communications and fault handling in one 16-QFN (4x4) part, per the Microchip datasheet 41288F.
Recommended
Smoke and Gas Detector Signal Chain
The PIC16HV616-E/ML integrates the entire signal-conditioning and decision logic for photoelectric smoke detectors: the on-chip op-amp buffers the IR photodiode, the 10-bit ADC digitizes the scatter signal, and the comparator drives the piezo alarm driver. With 3.5KB Flash and 128B RAM, the device supports simple statistical averaging and self-test routines that previously required a 32-pin MCU. The 2V-15V HV input lets a 9V battery or 12V line-power supply run the device directly, per the Microchip datasheet 41288F.
Recommended
White-Goods Control Board
In washing machines, dishwashers and similar appliances, the PIC16HV616-E/ML directly interfaces to 12V-24V solenoid and triac drivers while its integrated HV shunt removes the need for a separate 5V regulator. The 12 GPIO pins comfortably handle user-interface switches, encoder feedback, and relay control, while 3.5KB Flash is sufficient for typical wash-cycle state machines. Compared to a 5V MCU + LDO solution, this part reduces standby power by skipping the LDO dropout loss, per the Microchip datasheet 41288F.
Recommended
Battery Charging Monitor
The PIC16HV616-E/ML serves as a low-cost charging monitor for 6V-12V lead-acid or 2-3 cell Li-ion packs: the on-chip ADC measures battery voltage and charge current through a shunt, while the 5-bit DAC programs an external charger reference. With its 2V-15V HV input, the device sits directly across the battery terminals, and the -40C to +125C range supports under-hood or outdoor deployment. Compared to a dedicated battery-management IC, this MCU adds flexible end-of-charge logic without firmware royalties, per the Microchip datasheet 41288F.
Recommended
Recommended Products Summary
Engineering reference data for PIC16HV616-E/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16HV610-E/ML | PIC16HV610-I/ML | PIC16HV610T-I/ST | PIC16HV610-I/SL |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 16-QFN (4x4) | 16-QFN (4x4) | 16-QFN (4x4) | 14-TSSOP | 14-SOIC |
| Flash Program Memory | 3.5 KB | 1.75 KB | 1.75 KB | 1.75 KB | 1.75 KB |
| Data RAM | 128 bytes | 64 bytes | 64 bytes | 64 bytes | 64 bytes |
| Operating Voltage Range | 2.0 V to 15 V (HV shunt) | 2.0 V to 15 V (HV shunt) | 2.0 V to 15 V (HV shunt) | 2.0 V to 15 V (HV shunt) | 2.0 V to 15 V (HV shunt) |
| On-chip DAC | 5-bit, 1 channel | None | None | None | None |
| Maximum CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Temperature Range | -40C to +125C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- Integrated 2V-15V HV shunt regulator eliminates external LDO (vs PIC16F616-I/ML)
- On-chip 5-bit DAC for analog setpoint generation (vs PIC16HV610-E/ML)
- 3.5 KB Flash supports larger state machines (vs PIC16HV610-E/ML)
Design Notes
Estimated: at VIN = 12V and ISHUNT = 5 mA (typical logic current), the on-chip HV shunt regulator dissipates approximately (12V - 3.3V) x 5 mA = 43.5 mW continuously. The 16-QFN (4x4) package dissipates this comfortably, but if the application forces VIN above 13V or load current above 15 mA, the die temperature can rise quickly because the shunt acts as a linear regulator. Solder the exposed pad (pin 16 / EP) to a continuous ground pour of at least 25 mm^2 to keep junction temperature within the 125C limit.
Place a 0.1 uF X7R ceramic bypass capacitor directly on the VDD pin (pin 15) with the trace length kept under 3 mm. The HV input pin (pin 8 / HVIN) should also have a 0.1 uF decoupling cap local to the pin, with the exposed pad tied to a low-impedance ground pour. Avoid routing noisy switching signals across the EP for best thermal and EMI performance, per the Microchip datasheet 41288F.
Do not assume the PIC16HV616 is a drop-in for the PIC16F616 - although the pinout matches, the PIC16HV616's HVIN pin requires a 2V-15V supply, while the PIC16F616's VDD pin must be 2.0V-5.5V. Driving the HV616's HVIN with a 5V regulated rail will work but wastes the HV shunt feature. Conversely, driving an F616's VDD with 12V will damage the device. Always verify the suffix (F vs HV) before board bring-up.
Compliance Information
RoHS and REACH compliant per Microchip product page. Industrial temperature grade -40C to +125C (E suffix). Halogen-free status [DATA_NEEDED: halogen_free status].
