MCP2021A-330E/MD Microchip Integrated Circuit (Small Outline No-lead) In Stock
MCP2021A-330E/MD is a fully integrated LIN transceiver with a built-in 3.3 V LDO voltage regulator from Microchip, combining bus interface and local power supply in a compact 8-lead DFN package for automotive and industrial network nodes.
- Manufacturer
- Microchip
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- MCP2021A-330E/MD Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1500(MOQ 91)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Integrated LIN 2.x/SAE J2602 compliant transceiver for single-wire bus communication
- Built-in 3.3 V LDO regulator with up to 100 mA output current for local node supply
- LIN bus voltage range 7 V to 27 V covering standard 12 V automotive systems
- Sleep mode current below 10 µA for low-power automotive body electronics
- 8-lead DFN package with exposed thermal pad for space-constrained PCB layouts
- Integrated protection: bus short-circuit, thermal shutdown, and ESD to ±8 kV
- RoHS-compliant, JESD-609 e3 moisture-rated for automotive and industrial use
Applications
MCP2021A-330E/MD is designed for automotive LIN slave nodes such as seat motor controllers, mirror adjusters, window lifters, and HVAC actuators where a combined LIN transceiver and 3.3 V local regulator simplifies the BOM and reduces PCB area. It is equally applicable in industrial sensors and smart lighting fixtures connected to a master-slave LIN network, enabling low-power standby operation and reliable single-wire communication across the full 7 V to 27 V vehicle battery voltage range.
Specifications
| Manufacturer Package Code | DFN-8 |
| YTEOL | 0 |
| JESD-30 Code | S-PDSO-N8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Transceivers | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.16,32 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Screening Level | TS 16949 |
| Supply Voltage-Nom | 12V |
| Surface Mount | YES |
| Telecom IC Type | CAN TRANSCEIVER |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.8mm |
| Terminal Position | DUAL |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MCP2021A-330E/MD:
Frequently Asked Questions
What LIN bus voltage range does MCP2021A-330E/MD support, and does it cover 12 V automotive systems?
MCP2021A-330E/MD is rated for a LIN bus voltage of 7 V to 27 V, which fully covers the standard 12 V automotive battery range including load-dump transients, making it suitable for body control modules, seat actuators, and other in-vehicle LIN slave nodes without an additional voltage clamp.
How much current can the integrated 3.3 V LDO inside MCP2021A-330E/MD supply to the local node MCU?
The on-chip 3.3 V LDO regulator provides up to 100 mA of output current, which is sufficient to power a small 8-bit or 16-bit microcontroller, a few sensors, and peripheral logic from the LIN bus supply directly, eliminating the need for a separate discrete regulator IC on the node PCB.
For a compact automotive sensor PCB, what footprint does the 8-lead DFN package of MCP2021A-330E/MD require?
The 8-lead DFN package measures approximately 3 mm × 3 mm with 0.65 mm pitch and an exposed thermal slug on the bottom, providing 8 pins for LIN bus, power, enable, and ground connections while occupying minimal board area, compatible with standard SMT assembly processes and reflow soldering.
What protection features does MCP2021A-330E/MD include to handle harsh automotive electrical environments?
MCP2021A-330E/MD incorporates bus short-circuit protection, thermal overload shutdown, and ESD protection up to ±8 kV on the LIN bus pin, guarding the device and downstream MCU against voltage spikes, wiring faults, and electrostatic discharge commonly encountered during automotive module assembly and field operation.
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