参数资料
型号: TLE6712
厂商: INFINEON TECHNOLOGIES AG
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO24
封装: PLASTIC, DSO-24
文件页数: 13/48页
文件大小: 386K
代理商: TLE6712
TLE 6712
Company Confidential
20
V 1.61 2001-07-13
3.3
8XXX
H: Firing Commands
Valid control signals on the external enable pins are required to activate the high-side
switch and/or low-side switch (SEN = 1 and FEN = 1 and RI = 1).
All combinations of high & low side switches are allowed.
3.4
Measurement
Below you can find all measurements of the IC. The necessary external signals are listed
at the end of this chapter.
3.4.1
Squib Resistance Measurement Commands
4XXX
H: Resistance Measurement ‘Bias Current’ Active
V
MCA voltage source switched to VCC5
Settings of bit b3 to b0, see table below.
6XXX
H: Resistance Measurement ‘Main Current’ and ‘Bias Current’ Active
V
MCA voltage source switched to VCC5
Settings of bit b6, b5 and b3 to b0, see table below.
Byte A: Function Byte
Byte B: Selection Byte
a7
a6
a5
a4
a3
a2
a1
a0
b7
b6
b5
b4
b3
b2
b1
b0
1
0
xxx
xxx1/0 xx
1/0 1/0 1/0
bx
Squib Driver Switch Selection
b5 = 1
High-Side Switch of squib 2 active
b4 = 1
High-Side Switch of squib 1 active
b1 = 1
Low-Side Switch of squib 2 active
b0 = 1
Low-Side Switch of squib 1 active
Byte A: Function Byte
Byte B: Selection Byte
a7
a6
a5
a4
a3
a2
a1
a0
b7
b6
b5
b4
b3
b2
b1
b0
0
1
0
x
xx
0/1 0/1 0/1 0/1
Byte A: Function Byte
Byte B: Selection Byte
a7
a6
a5
a4
a3
a2
a1
a0
b7
b6
b5
b4
b3
b2
b1
b0
0
1
0
xxx
xx0/1 0/1 x
0/1 0/1 0/1 0/1
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