Datasheet > B10011-MFP

B10011-MFP

更新时间： 2024-02-01 17:22:42

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
11页	116K
描述
CAN TRANSCEIVER IC

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技术参数
数据手册

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B10011-MFP 技术参数

生命周期：	Transferred	包装说明：	SO-16
Reach Compliance Code：	unknown	风险等级：	5.75
Is Samacsys：	N	JESD-30 代码：	R-PDSO-G16
功能数量：	1	端子数量：	16
最高工作温度：	105 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	认证状态：	Not Qualified
标称供电电压：	5 V	表面贴装：	YES
电信集成电路类型：	INTERFACE CIRCUIT	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子位置：	DUAL
Base Number Matches：	1

B10011-MFP 数据手册

All the logical and sensing functions in the device are powered by V_DD= 5 V. Therefore,

the filter section also acts as a level shifter to the input comparator range (approximately

1 to 3.3 V). The diagram (see Figure 7) shows how the battery voltage, V_CC, influences

the comparator input voltages, F₀and F₁, in relation to the internal reference voltage,

V_ref, in the recessive state. The lower V_CC, the lower the bus level. Taking this into

account the comparator input levels are F₁- V_reffor single-wire H respectively F₁- F₀for

two-wire operation. The comparator’s offset voltage is ≤10 mV. Matching the filter bias-

ing to the internal reference is essentially for safe operation even at low battery voltages

during motor start.

The level investigations and tests described in the following description have been car-

ried out within the temperature range of -40°C to +105°C with two B10011S on a bus

line, one of them always in the recessive state (see Figure 8 on page 9).

In case of line shorts to V_CCor to ground or in case of H to L shorts, all participants on

the bus are intended to switch to single-wire operation and to disable their drivers not in

use.

The dynamic behavior of the circuit depends on the line capacitances to ground.

Approximately 200 pF/m and a maximum of 6 nF have to be taken into account. The

transition from the dominant to the recessive state enables the bias network to recharge

the line through a driving resistor of approximately 300 Ω. The transition from the reces-

sive to the dominant state is approximately twice as fast. This is probably the source of

emitted radiation having no capacitance on the line. The choke coil enables the sup-

pression of this radiation in the frequency range above 5 MHz to 7 MHz. Care should be

taken not to feed noise from V_DDor V_CCto the line. Therefore, they should be properly

blocked by low-inductance capacitors.

Data loss by externally induced interference is avoided by careful PCB layout and EMC

design for this circuit as well as by providing appropriate overvoltage protection. It is

very essential to separate battery ground and filter ground as indicated in the application

circuit (see Figure 5 on page 6). Especially important is that the filter ground must be

connected to pin 8 by a short connection not subject to disturbing currents from external

sources. The ground wire of the “starquad” cable may introduce such currents and

should be connected to battery ground via a 0.1-µF capacitor in a way as short as possi-

ble, perhaps to the metal housing.

In order to avoid thermal problems, the voltage divider and driving resistors should be

kept away from the IC. Otherwise they would heat up the environment of the small IC

and might reduce its life expectancy.

Figure 7. Comparator Thresholds

not ER

RxN

F₀

U_ref

F₁

V_CC

B10011S

4749B–AUTO–09/04

1...5 6 789 10 11

中文翻译

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与B10011-MFP相关器件

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B10011-MFPG1	ATMEL	获取价格	CAN TRANSCEIVER IC
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B10011S_05	ATMEL	获取价格	Can Transceiver IC
B10011S_07	ATMEL	获取价格	Can Transceiver IC
B10011S-G1	ETC	获取价格	LAN Transceiver
B10011S-G3	ETC	获取价格	LAN Transceiver
B10011S-MFP	ATMEL	获取价格	CAN TRANSCEIVER IC
B10011S-MFPG1	ATMEL	获取价格	CAN TRANSCEIVER IC
B10011S-MFPG1Y	ATMEL	获取价格	Can Transceiver IC
B10011S-MFPG3	ATMEL	获取价格	CAN Transceiver, 1-Trnsvr, PDSO16, LEAD FREE, SO-16

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