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MCP2021 / MCP2022
LIN System Basis Chip Including Voltage Regulator
Microchip Technology offers the LIN transceivers MCP2021 / MCP2022 with integrated LDO controller for automotive applications. These transceivers form the physical interface for LIN bus connections in accordance with the LIN 2.0 specification. The bus driver supplies output currents of up to 200 mA during transmission at 20 kbit/s with a quiescent current of less than 50 µA. In addition to the physical interface for bidirectional half-duplex communication, this transceiver offers an additional LDO with 5 V/50 mA or 3.3 V/50 mA output for supplying microcontrollers or other modules. The output current can be increased as required using an additional transistor. The LDO is short-circuit proof and has an integrated overtemperature cut-out. The transceiver was specially developed for the requirements in automotive engineering, survives reverse polarity of the battery voltage and load dump transients of up to +43 V. With a temperature range of -40°C to +125°C, this component meets all requirements for networking automotive subsystems.
Areas of application:
- Automotive interior
- Close-range networking of industrial microcontroller systems
- sensors
- Regulations/controls
- Operating elements
Technical data:
- Current consumption: < 85 µA with LDO, < 16 µA without LDO
- Supply voltage: 6.0 V DC to 30 V DC
- Temperature range: -40°C to +125°C (max. 150°C)
- Baud rate support up to 20 kBit/s with LIN-compatible output driver, 50 kBit/s according to ISO9141
- Interface for USART and PICmicro EUSART
- Integrated pull-up resistor and diode
- Protection circuit against overvoltage, short circuit to ground, loss of ground and overtemperature
- Dimensions DFN-8, PDIP-8, SOIC-8 (MCP2021) or PDIP-14, SOIC-14, TSSOP-14 (MCP2022)
HY-LINE Power Components is a distributor for Microchip's analog products (Analog & Interface) shown below, as well as processor-based solutions for intelligent signal processing, power supply and drive technology (PIC18 and dsPIC series).
Microchip's offer is an ideal addition to our existing delivery program of discrete components. Thus, we can further complete the range of solutions for our customers in the field of power supply technology and motor control. On this page we present some highlights from Microchip's product range.
dsPIC: High performance DSCs for digital power supplies and general power electronics
dsPIC for digital power supplies
Connectivity: Microchip's connectivity solutions make it easy to connect your systems to various digital bus systems, both internal and cross-system
LIN transceiver with integrated LDO
Thermal Management: Microchip's Thermal Management solutions make monitoring thermal processes and temperature-based control of fans a breeze in any environment....
Charging of single or multiple Li-ion or Li-polymer batteries
Power Management / Power Supplies: Voltage regulators with high currents at low supply voltages in the smallest space characterize Microchip's Low Drop Out (LDO) voltage regulators. But Microchip also offers ultra-compact switching regulators:
1.5 A LDO regulator MCP1727
30 V switching regulator MCP16301
56 µA quiescent current regulator MCP1754
Operational amplifier / MOSFET driver: Microchip offers solutions specifically tailored to applications where lowest power consumption and smallest footprint are important criteria of the overall design...
Operational amplifier with current consumption of 600 nA, High Current MOSFET driver.
