ATA6620N-TAQY

ATA6620N-TAQY Datasheet


ATA6620N

Part Datasheet
ATA6620N-TAQY ATA6620N-TAQY ATA6620N-TAQY (pdf)
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• Supply Voltage up to 40V
• Operating Voltage VS = 5V to 18V
• Typically 10 µA Supply Current During Sleep Mode
• Typically 40 µA Supply Current in Silent Mode
• Linear Low-drop Voltage Regulator:

LIN Bus Transceiver with Integrated Voltage Regulator

ATA6620N

ATA6620N is a fully integrated LIN transceiver, designed according to the LIN specification with a low-drop voltage regulator 5V/50 mA . The combination of voltage regulator and bus transceiver makes it possible to develop simple, but powerful, slave nodes in LIN Bus systems. ATA6620N 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 with an RC oscillator for the protocol handling. The bus output is designed to withstand high voltage. Sleep mode voltage regulator switched off and Silent mode communication off VCC voltage on guarantee minimized current consumption.

Figure Block Diagram

ATA6620N

RXD 5

Receiver

TXD 6

TXD Time-out

Timer

EN 2 GND

Normal and Pre-normal

Mode

Filter
1 VS 4 LIN

Wake-up Bus Timer Slew Rate Control

Short Circuit and Overtemperature

Protection

Control Unit

Normal Mode

Sleep Mode

Voltage Regulator 5V/50 mA/2%

VCC Undervoltage Reset

Switched Silent Mode Off Voltage Regulator
5V/50 mA/7%
8 VCC 7 NRES

Pin Configuration

Figure Pinning SO8

VS 1 EN 2 GND 3 LIN 4
8 VCC 7 NRES 6 TXD 5 RXD

Table Pin 1 2 3 4 5 6 7 8

Pin Description

Symbol Function

Battery supply

Enables Normal mode if the input is high

Ground

LIN bus line input/output

Receive data output

Transmit data input, active low output

NRES Output undervoltage reset, low at reset
Ordering Information

Extended Type Number ATA6620N-TAQY

Package Information

Package SO8

Package SO 8 Dimensions in mm

Remarks LIN system basis chip, Pb-free, 4k, taped and reeled

Drawing-No. Issue 1;
technical drawings according to DIN specifications
20 ATA6620N

ATA6620N

History
4850I-AUTO-09/09
• Put datasheet in newest template
• Heading Supply Pin VS text changed
• El. Characteristics table row changed
4850H-AUTO-12/07
• Section “Physical Layer Compatibility” on page 3 added
4850G-AUTO-10/07
• Section 9 “Ordering Information” on page 20 changed
• Put datasheet in a new template
• Capital T for time generally changed in a lower case t
• Section “Undervoltage Reset Output NRES on page 3 changed 4850F-AUTO-07/07
• Section “Sleep Mode” on page 8 changed
• Section 6 “Voltage Regulator” on page 12 changed
• Section 7 “Absolute Maximum Ratings” on page 13 changed
• Section 8 “Electrical Characteristics” numbers and on page 15
changed
• Put datasheet in a new template
• ATA6620 in ATA6620N renamed
• Figure 1-1 “Block Diagram” on page 2 changed
• Table 2-1 “Pin Description” on page 2 changed
• Section 4-2 “Modes of Reduced Current Consumption” on page 6 changed
• Figure 4-3 “LIN Wake-up Waveform Diagram from Silent Mode” on page 7 changed 4850E-AUTO-04/07
• Section “Sleep Mode” on page 8 changed
• Figure 4-5 “LIN Wake-up Diagram from Sleep Mode” changed
• Section “Wake-up from Sleep/Silent Mode at an Insufficient Falling Edge at
pin LIN” on page 9 added
• Section “Pre-normal Mode” on page 10 changed
• Section 8 “Electrical Characteristics” on pages 14 to 17 changed
• Figure 8-2 “Application Circuit” on page 19 changed
• Section “Bus Pin LIN ” on page 3 changed
• Figure 4-1 “Mode of Operation” on page 4 changed
• Figure 4-3 “LIN Wake-up Waveform Diagram from Silent Mode” on page 6 changed
• Section “Pre-normal Mode” on page 7 changed 4850D-AUTO-02/06
• Section 6 “Voltage Regulator” on page 10 changed
• Figure 6-1 “Save Operating Area versus VCC Output Current and Supply Voltage

VS at Different Ambient Temperatures” on page 10 changed
• Table “Absolute Maximum Ratings” on page 11 changed
• Table “Electrical Characteristics” from pages 12 to 15 changed

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Datasheet ID: ATA6620N-TAQY 519197