B10011S-MFPG3Y

更新时间： 2024-01-15 17:23:21

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
12页	209K
描述
Can Transceiver IC

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技术参数
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B10011S-MFPG3Y 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	SOIC
包装说明：	SOP, SOP16,.25	针数：	16
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.75
数据速率：	250 Mbps	JESD-30 代码：	R-PDSO-G16
JESD-609代码：	e3	长度：	9.9 mm
湿度敏感等级：	1	功能数量：	1
端子数量：	16	收发器数量：	1
最高工作温度：	105 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装等效代码：	SOP16,.25	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	峰值回流温度（摄氏度）：	260
电源：	5,7/32 V	认证状态：	Not Qualified
座面最大高度：	1.75 mm	子类别：	Network Interfaces
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
端子面层：	Matte Tin (Sn) - annealed	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	40	宽度：	3.8 mm
Base Number Matches：	1

B10011S-MFPG3Y 数据手册

B10011S

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

section also acts as a level shifter to the input comparator range (approximately 1 to 3.3V). The

diagram (see Figure 7-1) 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 biasing 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 carried 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 7-2 on page 10).

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 domi-

nant to the recessive state enables the bias network to recharge the line through a driving

resistor of approximately 300Ω. The transition from the recessive to the dominant state is

approximately twice as fast. This is probably the source of emitted radiation having no capaci-

tance on the line. The choke coil enables the suppression 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 6-2

on page 7). 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 “star-

quad” cable may introduce such currents and should be connected to battery ground via a

0.1-µF capacitor in a way as short as possible, 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 7-1. Comparator Thresholds

not ER

RxN

F₀

U_ref

F₁

V_CC

4749C–AUTO–09/05

1...6 7 8910 11 12

中文翻译

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