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MAX13021 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX13021 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 15 page General Description The MAX13020/MAX13021 ±60V fault-protected low- power local interconnect network (LIN) transceivers are ideal for use in automotive network applications where high reliability is required. The devices provide the interface between the LIN master/slave protocol con- troller, and the physical bus described in the LIN 2.0 specification package and SAE J2602 specification. The devices are intended for in-vehicle subnetworks with a single master and multiple slaves. The extended fault-protected voltage range of ±60V on the LIN bus line allows for use in +12V, +24V, and +42V automotive applications. The devices allow com- munication up to 20kbaud, and include slew-rate limit- ed transmitters for enhanced electromagnetic emissions (EME) performance. The devices feature a low-power 4µA sleep mode and provide wake-up source detection. The MAX13020 is a pin-to-pin replacement and is func- tionally compatible with the Philips TJA1020. The MAX13021 includes enhanced bus dominant clamping fault management for reduced quiescent current during LIN bus shorts to GND. The MAX13020/MAX13021 are available in the 8-pin SO package, and operate over the -40°C to +125°C automotive temperature range. Applications +12V/+42V Automotive +24V Heavy Truck and Bus Features o MAX13020 is a Pin-to-Pin Upgrade for TJA1020 o ESD Protection ±12kV Human Body Model (LIN) ±4kV Contact Discharge (LIN, NWAKE, BAT) o LIN 2.0/SAE J2602 Compatible o Slew-Rate Limited Transmitter for Low Electromagnetic Emissions (EME) o Robust Electromagnetic Immunity (EMI) o Passive Behavior in Unpowered State o TXD Dominant Timeout Function o LIN Bus Dominant Management (MAX13021 Only) o Input Levels Compatible with +3.3V and +5V Controllers o Integrated 30kΩ Termination Resistor for Slave Applications o Low 4µA Sleep Mode with Local and Remote Wake-Up Detection o Wake-Up Source Recognition o Thermal Shutdown ±60V Fault-Protected LIN Transceivers ________________________________________________________________ Maxim Integrated Products 1 19-0559; Rev 1; 6/06 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Ordering Information PART LIN BUS DOMINANT MANAGEMENT PIN- PACKAGE PACKAGE CODE MAX13020ASA+ — 8 SO S8-5 MAX13021ASA+ Yes 8 SO S8-5 BAT TXD RXD NSLP LIN GND INH NWAKE MICROCONTROLLER LIN BUS 1k Ω VBAT MASTER NODE ONLY +5V LDO * EN MAX5023 MAX13020 MAX13021 *OPTIONAL TXD PULLUP RESISTOR FOR READING WAKE-UP SOURCE FLAG Typical Operating Circuit Note: All devices are specified over the -40°C to +125°C auto- motive temperature range. +Denotes lead-free package. Pin Configuration appears at end of data sheet. |
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