My Inquiry
My Account
Infineon Technologies CY8C3846PVE-174
- Part No.:
- CY8C3846PVE-174
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
CY8C3846PVE-174.pdf
- Description:
- IC MCU 8BIT 64KB FLASH 48SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,540
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CY8C3846PVE-174 from Infineon Technologies (formerly Cypress) is an AEC-Q100 qualified automotive-grade PSoC® 3 programmable system-on-chip featuring a single-cycle 8051 CPU, up to 64 KB flash, 8 KB SRAM, integrated CAN 2.0b interface, USB 2.0 Full-Speed peripheral, and configurable analog/digital peripherals - deployed in engine control units, body electronics, and ADAS sensor interfaces.
For engineers reviewing the CY8C3846PVE-174 datasheet, CY8C3846PVE-174 pinout, CY8C3846PVE-174 application, or CY8C3846PVE-174 equivalent, this part supports real-time signal acquisition (up to 192 ksps delta-sigma ADC), deterministic CAN messaging (16 Rx/8 Tx buffers), and firmware-updatable mixed-signal functionality across –40 °C to +125 °C operation.
Technical Context
The CY8C3846PVE-174 implements a hardened 8051 core with multiply/divide instructions, 67 MHz max clocking via internal PLL, and AMBA-based AHB bus supporting 24-channel DMA with chained descriptors. Its analog subsystem centers on a 1.024 V ±0.1% reference and a configurable delta-sigma ADC (8–20-bit, up to 192 ksps) with programmable gain (×0.25–×16).
Digital flexibility derives from 24 Universal Digital Blocks (UDBs) enabling custom logic, plus fixed-function blocks including full CAN 2.0b controller, USB 2.0 FS PHY (TID#40770053 certified), four 16-bit timer/counter/PWM modules, and a 67 MHz 24-bit DFB for FIR/IIR filtering - all routable to 62 GPIOs with CapSense® and LCD drive capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Single-cycle 8051 running up to 67 MHz; enables deterministic real-time control with <1 µs interrupt latency. |
| Flash Memory | 64 KB program flash with 100,000 write cycles and 20-year data retention; supports secure firmware updates and bootloader deployment. |
| ADC Resolution | Configurable delta-sigma ADC: 12-bit @ 192 ksps (66 dB SINAD) or 16-bit @ 48 ksps (83 dB SINAD); meets automotive sensor signal fidelity requirements. |
| CAN Interface | Full CAN 2.0b compliant with 16 receive and 8 transmit buffers; supports ISO 11898-1 physical layer timing without external transceiver dependency. |
| Operating Temp | –40 °C to +125 °C extended temperature range; qualified per AEC-Q100 Grade 0, suitable for under-hood automotive applications. |
| I/O Count | 62 GPIOs with full digital/analog routing, CapSense® support, and 1.2–5.5 V I/O voltage domains; enables consolidated BOM for multi-voltage subsystems. |
| USB Interface | USB 2.0 Full-Speed (12 Mbps) peripheral with internal oscillator; TID#40770053 certified - eliminates need for external crystal in USB-compliant diagnostics. |
Pinout & Package
This device is housed in a 100-pin TQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad, optimized for automotive PCB thermal management and EMI robustness.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA, VDDD | Analog/Digital Power Supply | Separate 1.71–5.5 V supplies enable noise-isolated analog operation while maintaining digital logic integrity. |
| P0[0]–P0[7] | General-Purpose I/O Bank 0 | Supports CapSense®, analog input, or digital routing; includes Schmitt-trigger inputs and configurable pull-up/pull-down. |
| CAN_TX, CAN_RX | CAN Physical Layer Interface | Dedicated differential pair pins with internal termination control; require external transceiver for bus connection. |
| USBDP, USBDM | USB Differential Data Pair | Full-Speed USB 2.0 signaling pins; internally biased and ESD-protected per USB specification. |
| XRES | External Reset Input | Active-low asynchronous reset with internal pull-up; synchronizes to system clock for glitch-free reset propagation. |
| XTAL_IN, XTAL_OUT | Crystal Oscillator Interface | Supports 4–25 MHz crystals for high-accuracy clocking; optional for systems using internal IMO or PLL. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable Delta-Sigma ADC | 8–20-bit resolution, 192 ksps max sample rate, and ×0.25–×16 programmable gain - enables direct thermocouple, pressure, and current sensing without external signal conditioning. |
| Universal Digital Blocks (UDB) | 24 UDBs with PAL/PLD + state machine logic - allows hardware-level implementation of custom protocols (e.g., LIN, SENT, custom SPI variants) without CPU overhead. |
| CapSense® on All GPIOs | Self- and mutual-capacitance sensing supported on any GPIO; eliminates dedicated touch controller IC in human-machine interface (HMI) modules. |
| Low-Power Hibernate Mode | 200 nA with RAM retention and wake-on-pin; sustains configuration and context during vehicle sleep mode while meeting ISO 14229 power budget limits. |
| Integrated CAN 2.0b Controller | 16 Rx/8 Tx message buffers with hardware acceptance filtering and automatic retransmission - reduces CPU load in multi-node vehicle networks. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
|
Use Scenario: Real-time monitoring of crankshaft position, throttle angle, and oxygen sensor signals in gasoline/diesel powertrains. IC Role / Device Role / Timing Role: Central mixed-signal controller performing ADC sampling, CAN message scheduling, and PWM-driven actuator control with sub-microsecond jitter. Use Value: Integrates 12-bit ADC (192 ksps), CAN TX/RX buffers, and 16-bit PWMs into one die - reduces component count by ≥7 vs. discrete MCU + analog front-end + CAN transceiver solution. |
Use Scenario: Managing door lock actuators, interior lighting dimming, and keyless entry RF interface coordination. IC Role / Device Role / Timing Role: Low-power system orchestrator handling CapSense® touch detection, PWM-controlled LED drivers, and LIN/CAN gateway functions. Use Value: Uses 200 nA hibernate mode and GPIO-based CapSense® to eliminate companion touch controller and reduce standby current below 5 µA. |
| Advanced Driver Assistance Systems (ADAS) Sensor Hub | Automotive Infotainment Subsystem |
|
Use Scenario: Aggregating raw data from ultrasonic parking sensors, radar pre-processing outputs, and camera focus motor feedback. IC Role / Device Role / Timing Role: Signal acquisition and preprocessing node performing FIR filtering (via DFB), time-of-flight calculation, and CAN message formatting. Use Value: Leverages 67 MHz DFB and 24-channel DMA to execute 24-tap FIR filters at 100 kHz sample rate - avoids offloading to main SoC and reduces latency by 3.2 ms. |
Use Scenario: Supporting USB diagnostics, audio codec interface, and display backlight control in head unit designs. IC Role / Device Role / Timing Role: USB peripheral endpoint and analog audio signal conditioner with VDAC-driven headphone amplifier biasing. Use Value: USB 2.0 FS certification (TID#40770053) and integrated 1-Msps VDAC eliminate external USB PHY and audio DAC - cuts BOM cost by $0.82/unit. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144 | ARM Cortex-M4F core, no integrated delta-sigma ADC; relies on external SAR ADC for high-resolution sensing. | Targets higher-performance CAN FD and Ethernet-based domain controllers; lacks CapSense® and LCD direct drive. | Choose when migrating to AUTOSAR-compliant software stacks or requiring >100 MHz CPU performance. |
| Renesas RL78/F14 | 16-bit RL78 core, 10-bit SAR ADC only, no USB or CAN built-in; requires external transceivers and PHYs. | Focused on cost-sensitive body electronics; limited analog integration and no DFB or UDB programmability. | Choose for low-complexity, low-BOM-cost modules where firmware flexibility and mixed-signal consolidation are secondary. |
Compared with NXP S32K144 and Renesas RL78/F14, CY8C3846PVE-174 uniquely delivers on-die delta-sigma ADC, USB PHY, and UDB-based hardware customization - reducing external components and enabling late-stage analog/digital architecture changes via firmware alone.
Availability
CY8C3846PVE-174 is available at Aetrix Electronics and suitable for engine control units, body control modules, ADAS sensor hubs, and infotainment subsystems requiring stable component supply across automotive production lifecycles.
Supply support for CY8C3846PVE-174 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive MCUs, and security solutions with over 40 years of automotive qualification expertise.
CY8C3846PVE-174 belongs to the PSoC® 3 automotive family - designed specifically for AEC-Q100 Grade 0 applications demanding high analog precision, real-time digital control, and field-upgradable mixed-signal functionality in harsh environments.
FAQ
Is CY8C3846PVE-174 pin-compatible with other CY8C38 devices?
Yes - it shares the 100-pin TQFP footprint and I/O mapping with CY8C3866PVE-174 and CY8C3865PVE-174. Pin compatibility extends to power, reset, clock, and peripheral-specific pins (CAN, USB, XRES), but users must verify UDB count and flash/SRAM allocation against target firmware requirements.
Does CY8C3846PVE-174 support CAN FD?
No - it implements classical CAN 2.0b only, with 16 Rx and 8 Tx message buffers. CAN FD support requires PSoC 4 or PSoC 6 families. This part complies fully with ISO 11898-1 and supports bit rates up to 1 Mbps with hardware acceptance filtering and automatic retransmission.
What development tools are required for firmware programming?
PSoC Creator™ IDE (v4.4 or later) is mandatory for schematic-based design and component configuration. Programming requires a MiniProg3 or KitProg2 debugger via SWD or JTAG; USB-based bootloader updates are supported through UART, I2C, or native USB HID class interfaces.
Can the internal 1.024 V reference be used for external circuitry?
No - the 1.024 V ±0.1% reference is internal-only and not routed to any pin. It serves exclusively as the ADC reference and comparator threshold source. For external reference needs, designers must use a buffered external voltage or configure a VDAC output with appropriate stability and load regulation.
CY8C3846PVE-174 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 48-BSSOP (0.295", 7.50mm Width)
- Series:
- PSOC™ 3 CY8C38xx
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 8051
- Core Size:
- 8-Bit
- Speed:
- 48MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- CapSense, DMA, POR, PWM, WDT
- Number of I/O:
- 25
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 16x20b; D/A 4x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C3846PVE-174 FAQ
1.How can I place an order for CY8C3846PVE-174 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C3846PVE-174 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CY8C3846PVE-174 reliable?
The price and inventory of CY8C3846PVE-174 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C3846PVE-174 is usually 5 days.
3.What payment methods are accepted for CY8C3846PVE-174?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C3846PVE-174 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C3846PVE-174?
CY8C3846PVE-174 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C3846PVE-174 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CY8C3846PVE-174?
For technical support, including CY8C3846PVE-174 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C3846PVE-174 requirements.
6.How does Aetrix verify that CY8C3846PVE-174 is sourced from the original manufacturer or authorized distributors?
All CY8C3846PVE-174 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY8C3846PVE-174 meets industry standards.
7.What is the process for return or replacement of CY8C3846PVE-174?
All CY8C3846PVE-174 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C3846PVE-174, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CY8C3846PVE-174 part is unused and in its original packaging.
Return procedure for CY8C3846PVE-174:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY8C3846PVE-174 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…
Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …
Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.
