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参数资料
| 型号： | MAX5969DETE+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 8/16页 |
| 文件大小： | 1236K |
| 描述： | IC CTRLR INTERFCE W/MOSFT 16TQFN |
| 标准包装： | 60 |
| 类型： | 以太网供电控制器 PD 开关（PoE） |
| 应用： | 远程外设（工业控制，相机，数据访问） |
| 内部开关： | 是 |
| 电流限制： | 720mA 至 880mA |
| 电源电压： | 60V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（5x5） |
| 包装： | 管件 |
IEEE 802.3af/at-Compliant, Powered Device Interface
Controller with Integrated Power MOSFET
8 ______________________________________________________________________________________
Pin Description (continued)
PIN
NAME
FUNCTION
9
WAD
Wall Power Adapter Detector Input. Wall adapter detection is enabled the moment V
DD
- V
SS
crosses
the mark event threshold. Detection occurs when the voltage from WAD to RTN is greater than 9V.
When a wall power adapter is present, the isolation n-channel power MOSFET turns off, 2EC current
sink turns on. Connect WAD directly to RTN when the wall power adapter or other auxiliary power
source is not used.
10
PG
Open-Drain Power-Good Indicator Output. PG sinks 230FA to disable the downstream DC-DC
converter while turning on the hot-swap MOSFET switch. PG current sink is disabled during detection,
classification, and in the steady-state power mode. The PG current sink is turned on to disable the
downstream DC-DC converter when the device is in sleep mode.
11
2EC
2-Event Classification Detect or Wall Adapter Detect Output. A 1.5mA current sink is enabled at 2EC
when a Type 2 PSE or a wall adapter is detected. When powered by a Type 2 PSE, the 2EC current
sink is enabled after the isolation MOSFET is fully on until V
IN
drops below the UVLO threshold. 2EC is
latched when powered by a Type 2 PSE until V
IN
drops below the reset threshold. 2EC also asserts
when a wall adapter supply, typically greater than 9V, is applied between WAD and RTN. 2EC is not
latched if asserted by WAD. The 2EC current sink is turned off when the device is in sleep mode.
12
CLS
Classification Resistor Input. Connect a resistor (R
CLS
) from CLS to V
SS
to set the desired classification
current. See the classification current specifications in the Electrical Characteristics table to find the
resistor value for a particular PD classification.
EP
Exposed Pad. Do not use EP as an electrical connection to V
SS
. EP is internally connected to V
SS
through a resistive path and must be connected to V
SS
externally. To optimize power dissipation,
solder the exposed pad to a large copper power plane.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5969DETE+ | 功能描述:热插拔功率分布 802.3at PD Int Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5969DETE+T | 功能描述:热插拔功率分布 802.3at PD Int Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5970ETX+ | 功能描述:热插拔功率分布 Dual Hot-Swap Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5970ETX+T | 功能描述:热插拔功率分布 Dual Hot-Swap Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5970EVKIT+ | 功能描述:电源管理IC开发工具 MAX5970 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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