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參數(shù)資料
| 型號(hào)： | L9825 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Octal Low-side Driver For Resistive and Inductive Loads With Serial / Parallel Input Control, Output Protection and Diagnostic |
| 中文描述： | 八路低端電阻式和感性負(fù)載驅(qū)動(dòng)器與串行/并行輸入控制，輸出保護(hù)和診斷 |
| 文件頁(yè)數(shù)： | 8/11頁(yè) |
| 文件大小： | 225K |
| 代理商： | L9825 |
L9825
8/11
Fault condition 2) "open load" or "output short circuit to GND" : the output is switched off and the voltage at the
output drops below the diagnostics threshold, because the load current is lower than the output diagnostic cur-
rent source, the load is interrupted. The diagnostic bit is low.
For outputs 3 to 8 the output status signals, are fed directly to the SPI register.
Table 3. Diagnostic for outputs 3 to 8
The fault condition 1) "output short circuit to Vbat" :
For outputs 3 to 6 is the same as of outputs 1 and 2.
For outputs 7 and 8 : the output was switched on and the voltage at the output exceeds the diagnostics thresh-
old. The output operates in current regulation mode or has been switched off due to thermal shutdown. The sta-
tus bit is low.
Fault condition 2) "open load" or "output short circuit to GND" is the same as of outputs 1 and 2.
At the falling edge of NCS the output status data are transferred to the shift register. When NSC is low, data bits
contained in the shift register are transferred to SDO output et every rising CLK edge.
Figure 3. The Pulse Diagram to Read the Outputs Status Register
Figure 4. The Structure of the Outputs Status Register
Output 3 ... 8
Output-voltage
Status-bit
Output-mode
off
> DG-threshold
high
correct operation
off
< DG-threshold
low
fault condition 2)
on
< DG-threshold
high
correct operation
on
> DG-threshold
low
fault condition 1)
NCS
CLK
SDI
SDO
MSB
LSB
6
5
4
3
2
1
MSB
LSB
6
5
4
3
2
1
Diag2 Diag4 Diag6 Diag8 Diag1 Diag3 Diag5 Diag7
MSB
LSB
Diagnostic-bit output 7
Diagnostic-bit output 5
Diagnostic-bit output 3
Diagnostic-bit output 1
Diagnostic-bit output 8
Diagnostic-bit output 6
Diagnostic-bit output 4
Diagnostic-bit output 2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L9825_03 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Octal Low-side Driver For Resistive and Inductive Loads With Serial / Parallel Input Control, Output Protection and Diagnostic |
| L9825TR | 功能描述:功率驅(qū)動(dòng)器IC Octal Low Side RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)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 |
| L9826 | 功能描述:功率驅(qū)動(dòng)器IC Octal Low Side RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)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 |
| L9826_05 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Octal Low-Side Driver for Resistive and Inductive Loads with Serial/Parallel Input Control, Output Protection and Diagnostic |
| L9826TR | 功能描述:功率驅(qū)動(dòng)器IC Octal Low Side RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)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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