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APGRD002

P1-P3P4-P6P7-P9P10-P12
4 Automotive Applications Design Guide
Solutions for Low-Frequency Communications
Applications
Low-frequency communication systems provide
many benefits in and around the vehicle. In sensing
applications, it allows for the distribution of remote
sensors while eliminating the concern for wired
connection between the sensor and control module. In
other applications, a transponder becomes a mobile
device that can remain with the driver, or is attached to
another apparatus that can be transferred to/from the
vehicle when needed.
LOW-POWER ANALOG SOLUTIONS FOR AUTOMOTIVE APPLICATIONS
Recommended Product Families for PKE Applications
Family Features Device Examples
3D Analog Front End Bidirectional low-frequency communications, low-operating and standby
currents, programmable antenna tuning capacitance
MCP2030
CAN/LIN Products CAN transceivers and stand-alone controllers with SPI, LIN transceivers
with integrated voltage regulators
MCP2515, MCP2551X, MCP201
Op Amps Single, dual and quad op amps, low quiescent current (600 nA), lowest
IQ for a given Gain Bandwidth Product (GBWP); offered in space-saving
packages
MCP6041/2/3/4, MCP6141/2/3/4
MCP601/2/3/4/6/7/8/9, MCP6021/2/3/4
Low-Side Drivers Single, dual and quad MOSFET Drivers, 0.5 to 12A peak output currents,
inverting and non-inverting outputs
TC4420/1/2/3/4/5/6/7/8/9/A,
TC1410/1/2/3, TC4451/2, TC4467/8/9
Microcontrollers Wide range of 8/16- RISC-based microcontrollers and digital signal
controllers
PIC12, PIC16, PIC18, PIC24
Development Tools
Part Number Product
DV251001 MCP2510/2515 CAN Developer’s Kit
APGRD001 Passive Keyless Entry Reference Design
APGAC011 Accessory Key Fob For APGRD001 PKE Reference Design
DM163007/11/15 PICDEM
™
CAN-LIN 1 2 and 3 Demonstration Boards
DM163005 PICDEM
™
LIN Demonstration Board
Example of Passive Keyless Entry (PKE) Systems
Low-Side
Driver
LIN + LDO
CAN
Transceiver
L/F Antenna
UHF
Receiver
8/16-bit PIC
®
Microcontroller
8/16-bit PIC
®
Microcontroller
8/16-bit PIC
®
Microcontroller
UHF
Transmitter
3D Analog
Front End
Application Examples
Remote Keyless Entry (RKE)
Passive Keyless Entry (PKE)
Tire Pressure Monitoring Systems (TPMS)
Child Seat Detection
Immobilizers
Automotive Applications Design Guide 5
Solutions for Motor Control
A broad product portfolio provides a complete system
solution for your stepper motor, brushed DC motor, AC
induction motor, variable speed brushless DC motor and
switched reluctance motor applications.
Microchip Solutions for Motor Control
8/16-bit PIC
®
Microcontroller
16-bit dsPIC
®
DSC
MOSFET
Driver
Comparator
LDO
Feedback
MOSFET
Temperature
Sensor
Motor
Transceiver
CAN/
LIN Bus
Development Tools
Part Number Product
Free at www.microchip.com Motor Control Graphical User Interface
Free at www.microchip.com FilterLab® Active Filter Design Software
DM183011 PICDEM™ MC Development Board
DM300020 dsPICDEM™ MC1 Motor Control Development Board
AC300020 (requires DM300020) 3-phase BLDC Low Voltage Motor (24V)
APGRD002 Window Lift Reference Design
MCP9700DM-PCTL MCP9700 Temperature-to-Voltage Converter PICtail™ Demonstration Board
MCP9800DM-DL MCP9800 Temperature Data Logger Demonstration Board
MCP9800DM-PCTL MCP9800 Temperature Sensor PICtail™ Demonstration Board
LOW-POWER ANALOG SOLUTIONS FOR AUTOMOTIVE APPLICATIONS
Recommended Product Families for Motor Control Applications
Family Features Device Examples
Temperature Sensors Typical accuracy: ±0.5°C, ±1.0°C; Output options: 1) logic outputs,
2) voltage outputs, 3) serial outputs: SMBus/I
2
C™, SPI
TC6501/2/3/4, MCP9700/1/A,
MCP9800/1/2/3/5, TC72/4/5/7
Comparators Single, dual and quad comparators, low-power consumption, low quiescent
current, small packages
TC1027, TC1037/8/9,
MCP6541/2/3/4/6/7/8/9
MOSFET Drivers Single, dual and quad MOSFET Drivers, 0.5 to 12A peak output currents,
inverting and non-inverting outputs
TC4420/1/2/3/4/5/6/7/8/9/A,
TC1410/1/2/3, TC4451/2, TC4467/8/9
Low-Dropout
Regulators
Low-operating current for longer battery life, very low-dropout voltage, high-
output voltage accuracy: ±0.4% (typ), overcurrent and overtemperature
protection, requires only 1 μF ceramic output capacitance
MCP1700/1/2
Transceivers CAN transceivers and stand-alone controllers with SPI; LIN transceivers with
integrated voltage regulators
MCP2515, MCP2551X, MCP201
Microcontrollers Wide range of 8/16- RISC-based microcontrollers and digital signal
controllers
PIC12, PIC16, PIC18, PIC24, dsPIC30,
dsPIC33
Application Examples
Electro Hydraulic Power Steering
Electric Power Steering
Wiper Control
Water Pump, Oil Pump, Fuel Pump
Window Lift
Sun Roof
Air Flaps
Interior and External Mirrors
6 Automotive Applications Design Guide
LOW-POWER ANALOG SOLUTIONS FOR AUTOMOTIVE APPLICATIONS
Solutions for Power Supply Applications
The growing deployment of navigation, entertainment and
communication equipment in modern cars, as well as the
utilization of most advanced semiconductor technologies,
has been changing the needs for voltage regulation in
the car. Automotive power supplies are used for DC-DC
conversion, DC voltage monitoring, pulse-width modulation
and digital control. Electronic Control Units are using
SEPIC and Buck Converters with multiple level output
voltages and different current ratings.
Application Examples
Car Radio
Navigation System
Car Communication/Entertainment Center
GPS
LDO
Voltage Monitor
DC
DC
Threshold Monitor
Clock Monitor
Voltage
Monitor
Reference Voltage
Multiple Output Voltages
Comparator
8/16-bit PIC
®
Microcontroller
16-bit dsPIC
®
DSC
Development Tools
Part Number Product
MCP1601EV MCP1601 Buck Regulator Evaluation Board
MCP1612EV MCP1612 Synchronous Buck Regulator Evaluation Board
MCP1630DM-DDBS1 MCP1630 Automotive Input Boost Converter Demonstration Board
MCP1630RD DDBK1 MCP1630 +12V Dual Output Buck Converter Reference Design
MCP1650EV MCP1650 Boost Controller Evaluation Board
MCP1726EV MCP1726 1A LDO Evaluation Board
TC1016/17EV TC1016/17 LDO Linear Regulator Evaluation Board
TC1303BDM-DDBK1 TC1303B Buck Regulator LDO Demonstration Board
Recommended Product Families for Power Supply Applications
Family Features Device Examples
Comparators Single, dual and quad comparators, low-power consumption, low quiescent current, small
packages
TC1027, TC1037/8/9,
MCP6541/2/3/4
Voltage Monitors Low cost, precision system voltage supervisors; brown-out protection; wide range of
output types, reset trip points and package options; watchdog input option
MCP102/3, MCP121,
MCP131, MCP1316/17/18/
19/20/21/22
Pulse Width
Modulator
High-speed microcontroller adaptable PWM; excellent current mode controller, fast
response time, provides a very tight limit to the maximum switch current over a wide
range of input voltages, low quiescent current
MCP1630
Low-Dropout
Regulators
Low-operating current for longer battery life, very low-dropout voltage, high-output voltage
accuracy: ±0.4% (typ), overcurrent and overtemperature protection, requires only 1 μF
ceramic output capacitance
MCP1700/1/2
Switching Regulators Step-up and step-down DC-DC converters with soft start, programmable voltage/current
supply, point-of-load sequencing, intelligent temperature compensation, overvoltage and
overcurrent handling
MCP1601, MCP1650/1/2/3,
MCP1612, TC105,
TC120/5/6
Microcontrollers Wide range of 8/16- RISC-based microcontrollers and digital signal controllers PIC12, PIC16, PIC18, PIC24,
dsPIC30, dsPIC33
Example of Infotainment Power Supply Unit
P1-P3P4-P6P7-P9P10-P12

APGRD002

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Power Management IC Development Tools Window Lift
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