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MCP2021 Datasheet(PDF) 1 Page - Microchip Technology |
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MCP2021 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 46 page  © 2009 Microchip Technology Inc. DS22018E-page 1 MCP2021/2 Features • The MCP2021 and MCP2022 are compliant with LIN Bus Specifications 1.3, 2.0, and 2.1 and are compliant to SAE J2602 • Support Baud Rates up to 20 Kbaud with LIN-compatible output driver • 43V load dump protected • Very low EMI meets stringent OEM requirements • Wide supply voltage, 6.0V - 18.0V continuous: - Maximum input voltage of 30V • Extended Temperature Range: -40 to +125°C • Interface to PIC EUSART and standard USARTs • Local Interconnect Network (LIN) bus pin: - Internal pull-up resistor and diode - Protected against ground shorts - Protected against loss of ground - High current drive • Automatic thermal shutdown • On-Board Voltage Regulator: - Output voltage of 5.0V with tolerances of ±3% overtemperature range - Available with alternate output voltage of 3.3V with tolerances of ±3% overtemperature range - Maximum continuous input voltage of 30V - Internal thermal overload protection - Internal short circuit current limit - External components limited to filter capacitor only and load capacitor • Two low-power modes: - Receiver on, Transmitter off, voltage regulator on ( ≅ 85 µA) - Receiver monitoring bus, Transmitter off, voltage regulator off ( ≅ 16 µA) Description The MCP2021/2 provides a bidirectional, half-duplex communication physical interface to automotive, and industrial LIN systems to meet the LIN bus specification Revision 2.0. The device incorporates a voltage regulator with 5V @ 50 mA or 3.3V @ 50 mA regulated power supply output. The regulator is short circuit protected, and is protected by an internal thermal shut- down circuit. The regulator has been specifically designed to operate in the automotive environment and will survive reverse battery connections, +43V load dump transients, and double-battery jumps. The device has been designed to meet the stringent quiescent current requirements of the automotive industry. MCP2021/2 family members: • 8-pin PDIP, DFN and SOIC packages: - MCP2021-330, LIN-compatible driver, 8-pin, 3.3V regulator - MCP2021-500, LIN-compatible driver, 8-pin, 5.0V regulator • 14-lead PDIP, TSSOP and SOIC packages with RESET output: - MCP2022-330, LIN-compatible driver, 14-pin, 3.3V regulator - MCP2022-500, LIN-compatible driver, 14-pin, 5.0V regulator Package Types DFN-8, PDIP-8, SOIC-8 1 2 3 4 8 7 6 5 PDIP-14, SOIC-14, TSSOP-14 1 2 3 4 14 13 12 11 10 9 8 5 6 7 RXD CS/LWAKE VREG TXD FAULT/TXE VBB LBUS VSS RXD CS/LWAKE VREG TXD RESET NC NC FAULT/TXE VBB LBUS VSS NC NC NC LIN Transceiver with Voltage Regulator |
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Similar Description - MCP2021 |
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