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參數(shù)資料
| 型號： | UJA1065 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | High-speed CAN/LIN fail-safe system basis chip |
| 中文描述： | 高速的CAN / LIN故障防護系統(tǒng)基礎芯片 |
| 文件頁數(shù)： | 62/67頁 |
| 文件大?。?/td> | 285K |
| 代理商： | UJA1065 |
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9397 750 14409
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Objective data sheet
Rev. 01 — 10 August 2005
62 of 67
Philips Semiconductors
UJA1065
High-speed CAN/LIN fail-safe system basis chip
11. Soldering
11.1 Introduction to soldering surface mount packages
This text gives a very brief insight to a complex technology. A more in-depth account of
soldering ICs can be found in our Data Handbook IC26; Integrated Circuit Packages
(document order number 9398 652 90011).
There is no soldering method that is ideal for all surface mount IC packages. Wave
soldering can still be used for certain surface mount ICs, but it is not suitable for fine pitch
SMDs. In these situations reflow soldering is recommended.
11.2 Reflow soldering
Reflow soldering requires solder paste (a suspension of fine solder particles, flux and
binding agent) to be applied to the printed-circuit board by screen printing, stencilling or
pressure-syringe dispensing before package placement. Driven by legislation and
environmental forces the worldwide use of lead-free solder pastes is increasing.
Several methods exist for reflowing; for example, convection or convection/infrared
heating in a conveyor type oven. Throughput times (preheating, soldering and cooling)
vary between 100 seconds and 200 seconds depending on heating method.
Typical reflow peak temperatures range from 215
°
C to 270
°
C depending on solder paste
material. The top-surface temperature of the packages should preferably be kept:
below 225
°
C (SnPb process) or below 245
°
C (Pb-free process)
–
for all BGA, HTSSON..T and SSOP..T packages
–
for packages with a thickness
≥
2.5 mm
–
for packages with a thickness < 2.5 mm and a volume
≥
350 mm
3
so called
thick/large packages.
below 240
°
C (SnPb process) or below 260
°
C (Pb-free process) for packages with a
thickness < 2.5 mm and a volume < 350 mm
3
so called small/thin packages.
Moisture sensitivity precautions, as indicated on packing, must be respected at all times.
11.3 Wave soldering
Conventional single wave soldering is not recommended for surface mount devices
(SMDs) or printed-circuit boards with a high component density, as solder bridging and
non-wetting can present major problems.
To overcome these problems the double-wave soldering method was specifically
developed.
If wave soldering is used the following conditions must be observed for optimal results:
Use a double-wave soldering method comprising a turbulent wave with high upward
pressure followed by a smooth laminar wave.
For packages with leads on two sides and a pitch (e):
–
larger than or equal to 1.27 mm, the footprint longitudinal axis is
preferred
to be
parallel to the transport direction of the printed-circuit board;
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| UJA1065TW | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:High-speed CAN/LIN fail-safe system basis chip |
| UJA1065TW/3V0 | 功能描述:網(wǎng)絡控制器與處理器 IC HI SPEED CAN SYSTEM RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| UJA1065TW/3V0,512 | 功能描述:CAN 接口集成電路 HI SPEED CAN SYSTEM RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| UJA1065TW/3V0,518 | 功能描述:網(wǎng)絡控制器與處理器 IC HI SPEED CAN SYSTEM RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| UJA1065TW/3V0512 | 制造商:NXP Semiconductors 功能描述:CONTROLLER SYS CAN/LIN 3V 32HTSSOP |
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