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ATA6624C-PGQW 其他数据使用手册 - ATMEL（爱特美尔）
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ATMEL（爱特美尔）
分类:
接口芯片
封装:
QFN-20
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ATA6624C-PGQW数据手册
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Features
• Master and Slave Operation Possible
• Supply Voltage up to 40V
• Operating voltage V
S
= 5V to 27V
• Typically 10µA Supply Current During Sleep Mode
• Typically 57µA Supply Current in Silent Mode
• Linear Low-drop Voltage Regulator, 85mA Current Capability:
– Normal, Fail-safe, and Silent Mode
– Atmel ATA6622 V
CC
= 3.3V ±2%
– Atmel ATA6624 V
CC
= 5.0V ±2%
– Atmel ATA6626 V
CC
= 5.0V ±2%, TXD Time-out Timer Disabled
– In Sleep Mode V
CC
is Switched Off
• VCC- Undervoltage Detection (4ms Reset Time) and Watchdog Reset Logical
Combined at Open Drain Output NRES
• Negative Trigger Input for Watchdog
• Boosting the Voltage Regulator Possible with an External NPN Transistor
• LIN Physical Layer According to LIN 2.0, 2.1 and SAEJ2602-2
• Wake-up Capability via LIN-bus, Wake Pin, or Kl_15 Pin
• INH Output to Control an External Voltage Regulator or to Switch off the Master Pull Up
Resistor
• TXD Time-out Timer; Atmel ATA6626: TXD Time-out Timer Is Disabled
• Bus Pin is Overtemperature and Short Circuit Protected versus GND and Battery
• Adjustable Watchdog Time via External Resistor
• Advanced EMC and ESD Performance
• Fulfills the OEM “Hardware Requirements for LIN in automotive Applications Rev.1.0”
• Interference and Damage Protection According ISO7637
• Package: QFN 5mm × 5mm with 20 Pins
1. Description
The Atmel
®
ATA6622 is a fully integrated LIN transceiver, which complies with the LIN
2.0, 2.1 and SAEJ2602-2 specifications. It has a low-drop voltage regulator for
3.3V/85mA output and a window watchdog. The Atmel ATA6624 has the same func-
tionality as the Atmel ATA6622; however, it uses a 5V/85mA regulator. The Atmel
ATA6626 has the same functionality as Atmel ATA6624 without a TXD time-out timer.
The voltage regulator is able to source 85mA, but the output current can be boosted
by using an external NPN transistor. This chip combination makes it possible to
develop inexpensive, simple, yet powerful slave and master nodes for LIN-bus sys-
tems. Atmel ATA6622/ATA6624/ATA6626 are designed to handle the low-speed data
communication in vehicles, e.g., in convenience electronics. Improved slope control at
the LIN-driver ensures secure data communication up to 20kBaud. Sleep Mode and
Silent Mode guarantee very low current consumption. The Atmel ATA6626 is able to
switch the LIN unlimited to dominant level via TXD for low data rates.
LIN Bus
Transceiver
with 3.3V (5V)
Regulator and
Watchdog
ATA6622
ATA6624
ATA6626
ATA6622C
ATA6624C
ATA6626C
4986J–AUTO–03/11
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