参数资料
型号: EM773FHN33,551
厂商: NXP Semiconductors
文件页数: 41/51页
文件大小: 0K
描述: IC ENERGY METER ARM 32VQFN
其它有关文件: EM773 Energy Metering IC Training
特色产品: EM773 Energy Metering IC
标准包装: 260
核心处理器: ARM? Cortex?-M0
芯体尺寸: 32-位
速度: 48MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,WDT
输入/输出数: 25
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
RAM 容量: 8K x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 3.6 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 32-VQFN 裸露焊盘
包装: 托盘
配用: 568-6681-ND - BOARD EVAL EM773 METER EU PLUG
568-6680-ND - BOARD EVAL EM773 METER US PLUG
其它名称: 568-5213
EM773
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 2 — 3 January 2012
46 of 51
NXP Semiconductors
EM773
Energy metering IC
13. Soldering
Fig 28. Reflow soldering of the HVQFN33 package
Footprint information for reflow soldering of HVQFN33 package
001aao134
occupied area
solder land
solder resist
solder land plus solder paste
solder paste deposit
Dimensions in mm
Remark:
Stencil thickness: 0.125 mm
e = 0.65
evia = 4.25
OwDtot = 5.10 OA
PID = 7.25 PA+OA
OID = 8.20 OA
0.20 SR
chamfer (4×)
0.45
DM
evia
=
1.05
W = 0.30 CU
evia
=
4.25
evia = 2.40
LbE
=
5.80
CU
LbD = 5.80 CU
PIE
=
7.25
P
A+OA
LaE
=
7.95
CU
LaD = 7.95 CU
OIE
=
8.20
OA
OwEtot
=
5.10
OA
EHS
=
4.85
CU
DHS = 4.85 CU
4.55
SR
4.55 SR
B-side
(A-side fully covered)
number of vias: 20
Solder resist
covered via
0.30 PH
0.60 SR cover
0.60 CU
SEhtot
=
2.70
SP
SDhtot = 2.70 SP
GapE
=
0.70
SP
SPE
=
1.00
SP
0.45 DM
SPD = 1.00 SP
GapD = 0.70 SP
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