MCP6541-E/MF MICROCHIP [Microchip Technology], MCP6541-E/MF Datasheet

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MCP6541-E/MF

Manufacturer Part Number
MCP6541-E/MF
Description
LIN Transceiver with Voltage Regulator
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
Features
• Supports baud rates up to 20 Kbaud
• 40V load dump protected
• Wide supply voltage, 6.0 – 18.0V, continuous
• Extended Temperature Range: -40°C to +125°C
• Interface to standard USARTs
• Compatible with LIN Spec 1.3
• Local Interconnect Network (LIN) Line pin:
• Automatic thermal shutdown
• On-board Voltage Regulator:
Block Diagram
© 2007 Microchip Technology Inc.
- Maximum input voltage of 30V
- Internal pull-up resistor and diode
- Protected against ground shorts (LIN pin to
- Protected against LIN pin loss of ground
- High current drive, 40 mA ≤ I
- Output voltage of 5V with ±5% tolerances
- Maximum output current of 50 mA
- Able to drive an external series-pass
- Internal thermal overload protection
- Internal short-circuit current limit
- External components limited to filter capacitor
ground)
over temperature range
transistor for increased current supply
capability
only and load capacitor
FAULT/SLPS
CS/WAKE
V
RXD
REG
TXD
LIN Transceiver with Voltage Regulator
Internal Circuits
POR
OL
≤ 200 mA
Control
Slope
Regulator
Wake-Up
Voltage
Logic
Protection
Thermal
OC
Package Types
PDIP, SOIC, DFN
CS/WAKE
V
RXD
TXD
REG
Ratiometric
Reference
MCP201
1
2
3
4
approx.
8
7
6
5
30 kΩ
FAULT/SLPS
V
LIN
V
DS21730F-page 1
BAT
SS
Vss
V
LIN
BAT

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MCP6541-E/MF Summary of contents

Page 1

LIN Transceiver with Voltage Regulator Features • Supports baud rates Kbaud • 40V load dump protected • Wide supply voltage, 6.0 – 18.0V, continuous - Maximum input voltage of 30V • Extended Temperature Range: -40°C to +125°C ...

Page 2

MCP201 NOTES: DS21730F-page 2 © 2007 Microchip Technology Inc. ...

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DEVICE OVERVIEW The MCP201 provides a physical interface between a microcontroller and a LIN half-duplex bus intended for automotive and industrial applications with serial bus speeds Kbaud. The MCP201 provides a half-duplex, bidirectional communications ...

Page 4

MCP201 1.3 Modes of Operation For an overview of all operational modes, please refer to Table 1-2. 1.3.1 POWER-DOWN MODE In the Power-down mode, the transmitter and the voltage regulator are both off. Only the receiver section and the CS/WAKE ...

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TABLE 1-2: OVERVIEW OF OPERATIONAL MODES State Transmitter Voltage Regulator POR OFF Ready OFF Ready1 OFF Operation ON Power-down OFF Note: After power-on, CS will not be sampled until V microcontroller should toggle CS approximately 1mS after RESET to ensure ...

Page 6

MCP201 1.4 Typical Applications FIGURE 1-2: TYPICAL MCP201 APPLICATION +12V 10 kΩ WAKE- TXD ® PIC MCU RXD I/O ( Note 1: The load capacitor the range of 1 µF ...

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Pin Descriptions TABLE 1-3: MCP201 PINOUT OVERVIEW Devices Function Bond Pad 8-Pin PDIP/ Name Normal Operation SOIC/DFN 1 RXD Receive Data Output (CMOS output) 2 CS/WAKE Chip Select (TTL-HV input Power Output REG 4 TXD Transmit Data ...

Page 8

MCP201 TABLE 1-4: FAULT / SLPS SLOPE SELECTION DURING POR FAULT/SLPS Slope Shaping H Normal L Alternate Note 1: This mode does not conform to LIN bus specification version 1.3, but might be used for K-line applications. TABLE 1-5: FAULT ...

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FIGURE 1-4: VOLTAGE REGULATOR OUTPUT ON POWER-ON RESET V BAT ------------- - REG -------------- - V 5.5 3 Note 1: Start-up off when V © 2007 ...

Page 10

MCP201 FIGURE 1-5: VOLTAGE REGULATOR OUTPUT ON POWER DIP V BAT ------------- - 3 REG -------------- - 3 Note 1: Voltage regulator on REG 3: ...

Page 11

FIGURE 1-6: VOLTAGE REGULATOR OUTPUT ON OVERCURRENT SITUATION I REG ------------ - REG -------------- - 3 Note 1: I less than 50 mA, regulator on. REG 2: After I REG until ...

Page 12

MCP201 NOTES: DS21730F-page 12 © 2007 Microchip Technology Inc. ...

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ELECTRICAL CHARACTERISTICS 2.1 Absolute Maximum Ratings† Voltage on Logic pins except CS/WAKE ................................................................................. -0 Voltage on CS/WAKE ...............................................................................................................-0 Battery Voltage, non-operating (LIN bus recessive, no regulator load, t ...

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MCP201 2.2 DC Specifications DC Specifications Sym. Parameter Power I V Quiescent Operating BATQ BAT Current (voltage regulator without load and transceiver Power-down Current BAT BAT transceiver only I V Quiescent Operating DDQ REG Current I V maximum ...

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DC Specifications (Continued) DC Specifications Sym. Parameter Bus Interface V High-level Input Voltage IHLBUS (L ) BUS V Low-level Input Voltage ILLBUS (L ) BUS V Input Hysteresis HYS I Low-level Output Current BUS I High-level ...

Page 16

MCP201 2.3 AC Specifications AC Specifications Symbol Parameter Bus Interface |dV/dt| Slope Rising and Falling Edges |dV/dt| Slope Rising and Falling edges ALTERNATE t Propagation Delay of Transmitter TRANSPD t Propagation Delay of Receiver RECPD t Symmetry of Propagation Delay ...

Page 17

Timing Diagrams and Specifications FIGURE 2-1: BUS TIMING DIAGRAM TXD L BUS RXD FIGURE 2-2: REGULATOR TIMING DIAGRAM ON CS/WAKE SIGNAL CS/WAKE V REG © 2007 Microchip Technology Inc. T TRANSPDF T RECPDF T CSOR MCP201 .6 V BAT ...

Page 18

MCP201 FIGURE 2-3: REGULATOR TIMING DIAGRAM ON BUS ACTIVITY Regulator Stable V REG L BUS FIGURE 2-4: POR DIAGRAM V BAT V REG DS21730F-page 18 T VEVR T BACTVE .4 V BAT 6V 5.0V t VREGPOR © 2007 Microchip Technology ...

Page 19

CHARACTERIZATION GRAPHS FIGURE 3-1: I (mA) vs BAT 700 600 500 400 300 200 100 © 2007 Microchip Technology Inc. t (µs) vs. V (V) CSPD BAT ...

Page 20

MCP201 FIGURE 3-2: REGULATOR VOLTAGE (V) VS. REGULATOR CURRENT Regulator Voltage (V) vs. Regulator Current (A) 5.25 5.15 5.05 4.95 4.85 4.75 4.65 4.55 4.45 4.35 4. Regulator Current (mA) DS21730F-page (V) ...

Page 21

FIGURE 3-3: REGULATOR CHANGE (V) VS. LINE VOLTAGE CHANGE Regulator Change (V) vs Line Voltage Change (mV -10 -15 -20 -25 -30 -35 - Line Voltage Change (V) © 2007 Microchip Technology Inc. ...

Page 22

MCP201 FIGURE 3-4: LOAD REGULATION REGULATOR CHANGE VS. REGULATOR LOAD CHANGE Regulator Change (mV) vs. Regulator Load Change (mA Regular Load Current Change (mA) DS21730F-page 22 Load Regulation ...

Page 23

FIGURE 3-5: FALLING EDGE NORMAL DV/DT VS. VBAT Falling Edge Normal dVdT (V/µs) vs. V 2.40 2.35 2.30 2.25 2.20 2.15 2.10 2.05 2.00 1.95 1. © 2007 Microchip Technology Inc. (v) BAT ...

Page 24

MCP201 FIGURE 3-6: RISING EDGE NORMAL DV/DT VS. VBAT Rising Edge Normal dV/dT (V/µs) vs. V 2.2 2.1 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0 DS21730F-page 24 (V) BAT ...

Page 25

FIGURE 3-7: BUS ACTIVE VS. VBAT © 2007 Microchip Technology Inc. t (µs) vs. V (V) BACTIVE BAT (V) BAT MCP201 tBACTIVE (µs) -40(C) tBACTIVE (µs) ...

Page 26

MCP201 FIGURE 3-8: VOLTAGE REGULATOR ACTIVE TIME VS. VBAT 10000 1000 100 DS21730F-page 26 t (µs) vs. V (V) VEVR BAT (v) BAT t (µs) -40(C) VEVR t (µs) ...

Page 27

FIGURE 3-9: CHIP SELECT TO OPERATION READY © 2007 Microchip Technology Inc. t (µs) vs. V (V) CSOR BAT (v) BAT ...

Page 28

MCP201 FIGURE 3-10: CHIP SELECT TO POWER DOWN 700 600 500 400 300 200 100 DS21730F-page 28 t (µs) vs. V (V) CSPD BAT (v) BAT t (µs) -40(C) CSPD ...

Page 29

FIGURE 3-11: PROPAGATION DELAY OF TRANSMITTER t TRANSPD 2.5 2.4 2.3 2.2 2.1 2 1.9 1.8 1.7 1.6 1 © 2007 Microchip Technology Inc. (µs) Rising Edge Normal vs. V BAT ...

Page 30

MCP201 FIGURE 3-12: PROPAGATION DELAY OF RECEIVER t (µs) Falling Edge Normal vs. V RECPD 3.3 3.1 2.9 2.7 2.5 2.3 2.1 1.9 1.7 1 DS21730F-page 30 (V) BAT (v) BAT ...

Page 31

PACKAGING INFORMATION 4.1 Package Marking Information 8-Lead DFN-S XXXXXXXX XXXXXXXX YYWW NNN 8-Lead PDIP (300 mil) XXXXXXXX XXXXXNNN YYWW 8-Lead SOIC (150 mil) XXXXXXXX XXXXYYWW NNN Legend: XX...X Customer-specific information Y Year code (last digit of calendar year) YY ...

Page 32

MCP201 8-Lead Plastic Dual Flat, No Lead Package (MF) – 6x5 mm Body [DFN-S] PUNCH SINGULATED Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging NOTE TOP ...

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Plastic Dual In-Line (P) – 300 mil Body [PDIP] Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging N NOTE Number of Pins Pitch Top to ...

Page 34

MCP201 8-Lead Plastic Small Outline (SN) – Narrow, 3.90 mm Body [SOIC] Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging N NOTE Number of Pins Pitch Overall ...

Page 35

APPENDIX A: REVISION HISTORY Revision F (January 2007) This revision includes updates to the packaging diagrams. © 2007 Microchip Technology Inc. MCP201 DS21730F-page 35 ...

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MCP201 NOTES: DS21730F-page 36 © 2007 Microchip Technology Inc. ...

Page 37

PRODUCT IDENTIFICATION SYSTEM To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office PART NO. X /XX Device Temperature Package Range Device: MCP201: LIN Transceiver with Voltage Regulator MCP201T: LIN Transceiver ...

Page 38

MCP201 NOTES: DS21730F-page 38 © 2007 Microchip Technology Inc. ...

Page 39

Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families ...

Page 40

W ORLDWIDE AMERICAS ASIA/PACIFIC Corporate Office Asia Pacific Office 2355 West Chandler Blvd. Suites 3707-14, 37th Floor Chandler, AZ 85224-6199 Tower 6, The Gateway Tel: 480-792-7200 Habour City, Kowloon Fax: 480-792-7277 Hong Kong Technical Support: Tel: 852-2401-1200 http://support.microchip.com Fax: 852-2401-3431 ...

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