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Product Descriptions

The ATA663201/03/31/54 device family includes two basic products: a LIN system basis chip (SBC) and a low-drop voltage regulator with compatible footprints. The ATA663231/54 (SBC) is a fully-integrated LIN transceiver, designed according to the LIN specification 2.0, 2.1, 2.2, 2.2A, ISO 17987-4 and SAEJ2602-2, with a low-drop voltage regulator (3.3V/ 5V/85 mA). The combination of voltage regulator and bus transceiver makes it possible to develop simple but powerful slave nodes in LIN bus systems. The ATA663231/54 is designed to handle the lowspeed data communication in vehicles (for example, in convenience electronics). Improved slope control at the LIN driver ensures secure data communication up to 20 Kbaud. The bus output is designed to withstand high voltage. Sleep mode and Silent mode ensure minimized current consumption even in the case of a floating or a short-circuited LIN bus. The ATA663201/03 (voltage regulator) is a fully integrated low-drop voltage regulator, with 3.3V/5V output voltage and 85 mA current capability. It is especially designed for the automotive environment. A key feature is that the current consumption is always below 170 μA (without load), even if the supply voltage is below the regulator’s nominal output voltage.

Product Features

? ISO 26262 Functional Safety Ready ? Supply Voltage up to 40V ? Operating Voltage VVS = 5V to 28V ? Supply Current - Sleep mode: typically 9 μA - Silent mode: typically 47 μA - Very low current consumption at low supply voltages (2V < VVS < 5.5V): typically 130 μA ? Linear Low-Drop Voltage Regulator, 85 mA Current Capability: - MLC (multi-layer ceramic) capacitor with 0Ω ESR - Normal, Fail-Safe and Silent mode - ATA663254: VVCC = 5.0V, ±2% - ATA663231: VVCC = 3.3V, ±2% ? Sleep Mode: VCC is Switched Off ? Active Mode: - ATA663203: VVCC = 5.0V, ±2% - ATA663201: VVCC = 3.3V, ±2% ? VCC Undervoltage Detection with Open Drain Reset Output (NRES, 4 ms Reset Time) ? Voltage Regulator is Short-Circuit and Overtemperature Protected ? LIN Physical Layer According to LIN 2.0, 2.1, 2.2, 2.2A, ISO 17987-4 and SAEJ2602-2 ? Wake-Up Capability via LIN Bus (100 μs Dominant) ? Wake-Up Source Recognition ? TXD Time-Out Timer ? Bus Pin is Overtemperature 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 ? AEC-Q100 and AEC-Q006 Qualified ? Packages: - 8-Lead 3 x 3 VDFN (all types) with wettable flanks (Moisture Sensitivity Level 1) - 8-Lead SOIC (only ATA663254)

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