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ATA663232

LIN System Basis Chip Including 3.3V Voltage Regulator and Wake-Input

Status: In Production

Features:

  • Supply voltage up to 40V
  • Operating voltage VS = 5V to 28V
  • Sleep mode: typically 9μA
  • Silent mode: typically 47μA
  • Very low current consumption at low supply voltages (2V < VS < 5.5V): typically 130μA
  • MLC (multi-layer ceramic) capacitor with 0Ohm ESR
  • Normal, fail-safe, and silent mode: VCC = 3.3V ±2%
  • Sleep mode: VCC is switched off
  • VCC undervoltage detection with internal reset (NRES_int)
  • Voltage regulator is short-circuit and over-temperature protected
  • LIN physical layer according to LIN 2.0, 2.1, 2.2, 2.2A and SAEJ2602-2
  • Wake-up capability via LIN bus (100μs dominant) and WKin pin (100μs low level)
  • Wake-up source recognition
  • TXD time-out timer
  • Bus pin is over-temperature and short-circuit protected versus GND and battery
  • Advanced EMC and ESD performance
  • Fulfills the OEM “Hardware Requirements for LIN in Automotive Applications Rev.1.3”
  • Interference and damage protection according to ISO7637
  • Qualified according to AEC-Q100
  • Package: DFN8 with wettable flanks (Moisture Sensitivity Level 1)
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Overview
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Development Environment
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RoHS Information
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Device Overview

Summary

The Microchip ATA663232 system basis chip is a fully integrated LIN transceiver, designed according to the LIN specification 2.0, 2.1, 2.2, 2.2A and SAEJ2602-2, with a low-drop voltage regulator (3.3V/85mA) and a high voltage wake-input. The combination of voltage regulator and bus transceiver makes it possible to develop simple but powerful slave nodes in LIN bus systems. Microchip ATA663232 is designed to handle the low-speed data communication in vehicles (for example, in convenience electronics). Improved slope control at the LIN driver ensures secure data communication up to 20Kbaud. The bus output is designed to withstand high voltage. Sleep mode and silent mode guarantee minimized current consumption even in the case of a floating or a short-circuited LIN bus.

The voltage regulator is a fully integrated low-drop voltage regulator, with 3.3V output voltage and 85mA current capability. It is especially designed for the automotive environment. A key feature is that the current consumption is always below 170µA (without load), even if the supply voltage is below the regulator's nominal output voltage.

Additional Features
    • Supply voltage up to 40V
    • Operating voltage VS = 5V to 28V
    • Supply current
      • Sleep mode: typically 9μA
      • Silent mode: typically 47μA
      • Very low current consumption at low supply voltages (2V < VS < 5.5V): typically 130μA
    • Linear low-drop voltage regulator, 85mA current capability:
      • MLC (multi-layer ceramic) capacitor with 0W ESR
      • Normal, fail-safe, and silent mode: VCC = 3.3V ±2%
      • Sleep mode: VCC is switched off
    • VCC undervoltage detection with internal reset (NRES_int)
    • Voltage regulator is short-circuit and over-temperature protected
    • LIN physical layer according to LIN 2.0, 2.1, 2.2, 2.2A and SAEJ2602-2
    • Wake-up capability via LIN bus (100μs dominant) and WKin pin (100μs low level)
    • Wake-up source recognition
    • TXD time-out timer
    • Bus pin is over-temperature and short-circuit protected versus GND and battery
    • Advanced EMC and ESD performance
    • Fulfills the OEM “Hardware Requirements for LIN in Automotive Applications Rev.1.3”
    • Interference and damage protection according to ISO7637
    • Qualified according to AEC-Q100
    • Package: DFN8 with wettable flanks (Moisture Sensitivity Level 1)
Parametrics
Name
Value
Description
LIN Transceiver with Vreg
Vreg Output Voltage Options (V)
3.3 -
Vreg Output Current (mA)
85
Max. Baud Rate (kBaud)
20
Vcc Range (V)
5 to 28

Documents

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Brochures

08/01/2015
3116KB
11/01/2013
5255KB

Product Brief

Development Environment

  • Demo & Evaluation Boards
Demo & Evaluation Boards
ATAB663231A-V1.2
ATAB663231A-V1.2 ( ATAB663231A-V1.2 )

ATA663231A-V1.2 is an evaluation tool for a quick start with s 4th generation LIN SBC including LIN transceiver + low drop 3.3V/85mA voltage regulator enabling easy prototyping and testing.

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RoHS Information

Part Number
Device Weight (g)
Shipping Weight (grams)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
ATA663232-GBQW
0.023100
0.098833
8
VDFN
3x3x0.9mm
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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