Datasheet > ATA6630

ATA6630

更新时间： 2024-02-22 23:28:59

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
36页	1204K
描述
Negative Trigger Input for Watchdog

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ATA6630 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	QFN	包装说明：	HVQCCN,
针数：	20	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.63	JESD-30 代码：	S-XQCC-N20
长度：	5 mm	功能数量：	1
端子数量：	20	封装主体材料：	UNSPECIFIED
封装代码：	HVQCCN	封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	认证状态：	Not Qualified
座面最大高度：	1 mm	标称供电电压：	5 V
表面贴装：	YES	电信集成电路类型：	ETHERNET TRANSCEIVER
端子形式：	NO LEAD	端子节距：	0.65 mm
端子位置：	QUAD	宽度：	5 mm
Base Number Matches：	1

ATA6630 数据手册

3. Functional Description

3.1

Physical Layer Compatibility

Since the LIN physical layer is independent from higher LIN layers (e.g., the LIN protocol layer),

all nodes with a LIN physical layer according to revision 2.x can be mixed with LIN physical layer

nodes, which, according to older versions (i.e., LIN 1.0, LIN 1.1, LIN 1.2, LIN 1.3), are without

any restrictions.

3.2

Supply Pin (VS)

The LIN operating voltage is V_S= 5V to 27V. An undervoltage detection is implemented to

disable data transmission if V_Sfalls below VS_thin order to avoid false bus messages. After

switching on VS, the IC starts in Fail-safe Mode, and the voltage regulator is switched on (i.e.,

3.3V/5V/50 mA output capability).

The supply current is typically 10 µA in Sleep Mode and 40 µA in Silent Mode.

3.3

3.4

Ground Pin (GND)

The ATA6628/ATA6630 does not affect the LIN Bus in the event of GND disconnection. It is able

to handle a ground shift up to 11.5% of VS. The mandatory system ground is pin 5.

Voltage Regulator Output Pin (VCC)

The internal 3.3V/5V voltage regulator is capable of driving loads up to 50 mA. It is able to

supply the microcontroller and other ICs on the PCB and is protected against overloads by

means of current limitation and overtemperature shut-down. Furthermore, the output voltage is

monitored and will cause a reset signal at the NRES output pin if it drops below a defined

threshold V_thun. To boost up the maximum load current, an external NPN transistor may be used,

with its base connected to the VCC pin and its emitter connected to PVCC.

3.5

3.6

Voltage Regulator Sense Pin (PVCC)

The PVCC is the sense input pin of the 3.3V/5V voltage regulator. For normal applications (i.e.,

when only using the internal output transistor), this pin must be connected to the VCC pin. If an

external boosting transistor is used, the PVCC pin must be connected to the output of this

transistor, i.e., its emitter terminal.

Bus Pin (LIN)

A low-side driver with internal current limitation and thermal shutdown and an internal pull-up

resistor compliant with the LIN 2.x specification are implemented. The allowed voltage range is

between –27V and +40V. Reverse currents from the LIN bus to VS are suppressed, even in the

event of GND shifts or battery disconnection. LIN receiver thresholds are compatible with the

LIN protocol specification. The fall time from recessive to dominant bus state and the rise time

from dominant to recessive bus state are slope controlled.

ATA6628/ATA6630 [Preliminary]

9117E–AUTO–07/10

1 2 345 6 7...36

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与ATA6630相关器件

型号	品牌	描述	获取价格	数据表
ATA6630_14	ATMEL	LIN Bus Transceiver with 3.3V (5V) Regulator and Watchdog	获取价格
ATA6630-GLQW	ATMEL	Ethernet Transceiver, 5 X 5 MM, LEAD FREE, VQFN-20	获取价格
ATA6630-PGPW	ATMEL	Ethernet Transceiver, 5 X 5 MM, 0.65 MM PITCH, LEAD FREE, QFN-20	获取价格
ATA6630-PGQW	ATMEL	Ethernet Transceiver, 5 X 5 MM, 0.65 MM PITCH, LEAD FREE, QFN-20	获取价格
ATA6631	ATMEL	Typically 10 Î¼A Supply Current During Sleep	获取价格
ATA6631	MICROCHIP	Fully integrated LIN specification 2.0, 2.1 and SAEJ2602-compliant transceiver with a low-	获取价格

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