參數(shù)資料
型號(hào)： L9952GXP
廠商： STMICROELECTRONICS
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO36
封裝： LEAD FREE, SSO-36
文件頁數(shù)： 18/68頁
文件大小： 859K
代理商： L9952GXP
L9952GXP
Protection and diagnosis
Doc ID 13518 Rev 5
3
Protection and diagnosis
3.1
Power supply fail
Over and under-voltage detection on Vs.
3.1.1
Over voltage
If the supply voltage Vs reaches the over voltage threshold (VSOV)
●
The outputs HS1..4, OUT_HS, Rel1,2, and LIN are switched to high impedance state
(load protection)
●
The over voltage bit is set and can be cleared with the clear bit (CR1,CLR)
●
Automatic recovery after Vs over-voltage; selectable via SPI (CR2, bit4)
3.1.2
Under voltage
If the supply voltage Vs drops below the under voltage threshold voltage(VSUV)
●
The outputs HS1..4, OUTHS, Rel1,2, and LIN are switched to high impedance state
(load protection)
●
The under voltage bit is set
●
Automatic recovery after Vs under-voltage; selectable via SPI (CR2, bit4)
3.2
Temperature warning and thermal shutdown
See state chart: “ Protection and diagnosis”.
3.3
SPI diagnosis
Digital diagnosis features are provided by SPI:
●
V1 reset threshold programmable
●
Over temperature including pre warning
●
Open load separately for each output stage
●
Overload status
●
Vs-supply over/under voltage
●
V1 and V2 fail bit
●
Status of the WU1...4, LIN and INH pin
●
Cold start bit
●
Number of unsuccessful V1 restarts after thermal shutdown
●
Number of sequential watchdog failures
●
Status of watchdog trigger bit TRIG: (SR1, Bit 16)
●
LIN status (short to ground, short to VBAT, dominant TxD)
See the following state chart: “Protection and diagnosis”.
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L9952XP 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 DOOR ACTUATOR DRIVER 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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L-995-38 制造商:MOLEX 制造商全稱:Molex Electronics Ltd. 功能描述:NylaKrimp? Funnel Entry Ring Tongue Terminal for 4/0 AWG Wire, Stud #9
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