ATA663201 datasheet(1/36 Pages) MICROCHIP

Part #	ATA663201

Description	LIN Bus Device Family Including Voltage Regulator and LIN SBC with Compatible Footprint

PDF	36 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

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 2018-2021 Microchip Technology Inc.

DS20006075D-page 1

ATA663201/03/31/54

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)

Description

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 nodes in LIN bus systems.

The ATA663231/54 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 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.

Package Types

Note:

LIN SBC: LIN system basis chip including

LIN transceiver and voltage regulator.

Note:

The current LIN standards use the

terminology "Master" and "Slave”.

The LIN standard groups have decided

that

the

terms

"Commander"

and

"Responder" will be used in future.

NRES

EN

TXD

VS

LIN

1

2

3

4

8

7

6

5 GND

VCC

RXD

EP

9

ATA663231/ATA663254

3 x 3 VDFN*

NRES

NC

VS

NC

1

2

3

4

8

7

6

5 GND

VCC

NC

EP

9

ATA663201/ATA663203

3x3 VDFN*

SBC

Voltage

Regulator

NRES

EN

TXD

VS

LIN

1

2

3

4

8

7

6

5 GND

VCC

RXD

ATA663254

SOIC

*Includes Exposed Thermal Pad (EP); see Table 1-4.

LIN Bus Device Family Including Voltage Regulator and LIN SBC

with Compatible Footprint

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