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参数资料
| 型号： | X80201V20I |
| 厂商： | Intersil |
| 文件页数： | 9/16页 |
| 文件大小： | 0K |
| 描述： | IC PWR SUPPLY SEQUENCER 20TSSOP |
| 标准包装： | 75 |
| 应用： | 电源序列发生器 |
| 电源电压： | 0.95 V ~ 5.5 V |
| 电流 - 电源： | 2.5mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 管件 |
X80200, X80201, X80202, X80203, X80204
SETV
VDDH
VDDH
FAILS
VDDM
FAILS
VDDL
FAILS
GATE_L
t DELAY_DOWN
VDDM
REF
VDDL
FET “L”
DRAIN
REF
(VFB)
GATE_H
GATE_M
FIGURE 5. VOLTAGE BASED SEQUENCING OF GATE_M
GATE_M
AND GATE_L
t DELAY_DOWN
Power Supply Failure Conditions
Should there be a power failure of VDDH, GATE_H,
GATE_M and GATE_L charge pumps are all turned OFF
when VDDH falls below the UVLO H threshold.
Should there be a failure of the VDDM supply, the GATE_M
charge pump turns off when VDDM falls below the UVLO M
threshold. After a t DELAY_DOWN time period, the GATE_L
charge pump turns OFF.
Should there be a failure of the VDDL supply, the GATE_L
and GATE_M charge pumps both turn off when VDDL falls
below the UVLO L threshold.
9
GATE_L
FIGURE 6. GATE CONTROL DURING INDIVIDUAL POWER
FAIL CONDITIONS
Remote Monitoring Functions
The X80200 can monitor the status of the GATE_H,
GATE_M, and GATE_L charge pump control signals. This
allows an indirect way to monitor system voltages. The
volatile status bits: Stat_GATEH, Stat_GATEM, and
Stat_GATEL indicate the status of GATE_H, GATE_M and
GATE_L output control signals, respectively. If the bit is a “1”,
then the charge pump is being turned on. If the bit is a “0”,
the output is turned off. Since the bits reflect the internal
control signal and not the state of the output, external
loading that prevents the charge pump from reaching the
desired FET gate drive voltage will not be detected by
reading the register.
These status bits can be read via the 2-wire serial bus. Refer
to Status Register section for more information on how to
read this register.
Several X80200 devices can be used to monitor many
system voltages on different system cards on a backplane.
Each X80200 has 3 slave address pins allowing up to 8
X80200 to be used on the same bus.
X80200 provides the user the ability to remotely turn-off the
FN8154.0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| X80202 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Power Supply Swquencer with Power-up System Mnitoring |
| X8020-2 | 制造商:Cooper Crouse-Hinds 功能描述: |
| X80202V20I | 功能描述:IC PWR SUPPLY SEQUENCER 20TSSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| X80203 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Power Supply Swquencer with Power-up System Mnitoring |
| X80203V20I | 功能描述:IC PWR SUPPLY SEQUENCER 20TSSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
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