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參數(shù)資料
| 型號： | ISL658090EVAL1 |
| 廠商： | Intersil Corporation |
| 英文描述： | Integrated Power Stage |
| 中文描述： | 集成功率級 |
| 文件頁數(shù)： | 19/31頁 |
| 文件大?。?/td> | 1391K |
| 代理商： | ISL658090EVAL1 |
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19
The second way of responding to a Current Over Load is
performed in the ISL6590 controller. If the sum of the
average currents in all phases exceeds the Over Current
Limit for a prolonged period, the controller is shut down (all
MOSFETs are turned off) and input power must be cycled to
reset the fault.
The limits for Peak Current and Over Load Current are set
with the user interface software. There are 4 steps in the
Peak Current limit and the resulting current is calculated
(based on the value of R
SENSE
) and displayed by the user
interface software.
OUVP (Output Over Voltage Protection)
and OOVP (Output Under Voltage Protection)
ISL6580 monitors the output voltage and sets a bit in its fault
register if the output voltage is too high (OOVP) or too low
(OUVP).
Voltage at the VSENP_FILT pin is compared to thresholds
above and below normal output voltage (mid point of the
load line). The OOVP and OUVP thresholds are set with the
user interface software . The range is 0 to 232mV in steps of
7.5mV.
If the thresholds are exceeded a bit is set in ISL6580’s status
register. The status register is read periodically by ISL6590.
ISL6590 shuts down the converter until power is cycled.
Temp. Sense (Thermal Shut down)
Each ISL6580 has an on chip, over temperature comparator.
It uses an unbalanced differential pair of lateral PNP
transistors to sense temperature and detect over
temperature. Current in one of the differential pair is 8X the
current in the other. As a result, the delta Vbe due to
temperature is 8X. Voltage at the bases is offset by DAC
controlled current sources. When the Vbe offset reaches the
offsets set by the DAC the output switches (with 10×C
hysteresis).
The trip point can be adjusted from 85× to 145× in 10×C
increments using the user interface software. If any ISL6580
reaches the thermal shut down temperature, a bit is set in its
status register, the converter shuts down until power to the
ISL6590 is cycled.
IUVP (Input Under Voltage Protection)
Each ISL6580 contains a comparator that monitors V
CC
and
inhibits operation when V
CC
(12V) is below a fixed
threshold. When V
CC
is turned on, this feature holds the
converters output at 0V until V
CC
exceeds 7.5V. When V
CC
falls below 7.6V a bit is set in the status register. ISL6590
reads the status register periodically. When this bit is set the
FIGURE 26. BLOCK DIAGRAM OF PEAK CURRENT LIMITING
FIGURE 27. OVER LOAD FAULT
FIGURE 28. OOVP OUVP WINDOW COMPARATOR
FIGURE 29. OOVP OUVP TRIP LEVELS AND LOAD LINE
FIGURE 30. OVER TEMPERATURE BLOCK DIAGRAM
ISL6580
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL6580CR | 功能描述:IC DRIVER HIGH SIDE FET 56-QFN RoHS:否 類別:集成電路 (IC) >> PMIC - MOSFET，電橋驅(qū)動器 - 內(nèi)部開關(guān) 系列:- 標準包裝:1,000 系列:- 類型:高端/低端驅(qū)動器 輸入類型:SPI 輸出數(shù):8 導(dǎo)通狀態(tài)電阻:850 毫歐，1.6 歐姆 電流 - 輸出 / 通道:205mA，410mA 電流 - 峰值輸出:500mA，1A 電源電壓:9 V ~ 16 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:PG-DSO-20-45 包裝:帶卷 (TR) |
| ISL6580CR-T | 功能描述:IC DRIVER HIGH SIDE FET 56-QFN RoHS:否 類別:集成電路 (IC) >> PMIC - MOSFET，電橋驅(qū)動器 - 內(nèi)部開關(guān) 系列:- 標準包裝:1,000 系列:- 類型:高端/低端驅(qū)動器 輸入類型:SPI 輸出數(shù):8 導(dǎo)通狀態(tài)電阻:850 毫歐，1.6 歐姆 電流 - 輸出 / 通道:205mA，410mA 電流 - 峰值輸出:500mA，1A 電源電壓:9 V ~ 16 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:PG-DSO-20-45 包裝:帶卷 (TR) |
| ISL6590DR-T | 功能描述:IC REG CTRLR BST PWM VM 64-QFN RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:100% 電源電壓:8.2 V ~ 30 V 降壓:無 升壓:無 回掃:是 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:0°C ~ 70°C 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件 產(chǎn)品目錄頁面:1316 (CN2011-ZH PDF) |
| ISL6592DNZ-T | 功能描述:IC DIGTL MULTIPHASE CTRLR 48LQFP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
| ISL6592DNZ-TR5196 | 功能描述:IC DIGTL MULTIPHASE CTRLR 48LQFP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
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