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參數(shù)資料
| 型號： | MCZ33797EK |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | Four Channel Squib Driver IC |
| 中文描述： | 四通道爆管驅(qū)動IC |
| 文件頁數(shù)： | 26/34頁 |
| 文件大小： | 290K |
| 代理商： | MCZ33797EK |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
26
33797
FUNCTIONAL DEVICE OPERATION
PROTECTION AND DIAGNOSIS FEATURES
PROTECTION AND DIAGNOSIS FEATURES
The diagnostic circuit’s internal references are provided by
a bandgap voltage reference, and by scaled currents
determined by the resistor value of R
_
DIAG and the value of
the bandgap voltage. Refer to
Table 7, Diagnostic Bit
Definitions
, and
Table 8, Command Programming and
Diagnostic Bit Definitions
, as necessary throughout this
section.
R
_
DIAG and R
_
LIMIT_X RESISTOR DIAGNOSTICS
($C8 COMMAND)
This function monitors reference currents derived by the
R
_
LIMIT
_
1, R
_
LIMIT
_
2, and R
_
DIAG resistors. An open pin
or short to ground will cause the comparator to give an “out
of range resistor value” indication. A short to VDD will have
the same effect as an open pin and will cause an “out of range
resistor value” indication.
R
_
LIMIT_X and R
_
DIAG DATA RESULTS
If R_LIMIT_X is open, shorted to ground, or shorted to
VDD, the bit R_LIMIT_NO_FAULT will be set to “0”. Standard
operation will have this bit set to “1”.
If R_DIAG is open, shorted to ground, or shorted to VDD,
the bit R_DIAG_NO_FAULT will be set to “0”. Standard
operation will have this bit set to “1”.
The FEN 1 and FEN 2 status bits are a reflection of the
FEN_1 and FEN_2 pins.
HIGH-SIDE SAFING SENSOR DIAGNOSTICS
($C0 COMMAND)
This function monitors the VFIRE_XX pin connection to
the VDIAG_X pin. The high-side safing function is attached to
the VFIRE _1A and VFIRE_2A pins. The high-side safing
function is not available on the VFIRE _1B and VFIRE_2B
pins.
When enabled, this diagnostic circuit will typically draw
less than 500 μA from the VFIRE supply voltage source.
Hex
Code
Command
Description
Command Programming Input and Diagnostic Data Out (Available on Next Command)
(23)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
90
Reserved for
Freescale
Read NVM Low
X
X
X
X
X
X
X
X
91
Reserved for
Freescale
Read NVM High
X
X
X
X
X
X
X
X
92
Reserved for
Freescale
NVM Enable
X
X
X
X
X
X
X
X
93
Reserved for
Freescale
Test Mode Enable
X
X
X
X
X
X
X
X
96
SPI Integrity Check
1
0
0
1
0
1
1
0
Response DATA
OUT: $69 Echo to
Diagnose the SPI
Integrity
0
1
1
0
1
0
0
1
Notes
23
The second byte for command programming will be treated as a NOP if any FET is firing. The programming commands have to be
sequential or they will be treated as a NOP.
Table 8. Command Programming and Diagnostic Bit Definitions (continued)
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| MCZ33797EKR2 | 功能描述:功率驅(qū)動器IC FOUR CHANNEL SQUIB DR RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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| MCZ33800EKR2 | 功能描述:馬達/運動/點火控制器和驅(qū)動器 AUTO ENG CONTROL IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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