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参数资料
| 型号： | SI3460-E03-GMR |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 9/24页 |
| 文件大小： | 0K |
| 描述： | IC POWER MANAGEMENT CTLR 11VQFN |
| 标准包装： | 500 |
| 应用： | 供电设备（PSE） |
| 电流 - 电源： | 500mA |
| 电源电压： | 2.7 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-VFDFN 裸露焊盘 |
| 供应商设备封装： | 11-QFN（3x3） |
| 包装： | 带卷 (TR) |
Si3460
3.1. PSE Timing Characteristics
When implemented in accordance with the recommended external components and layout guidelines, the Si3460
controller enables the following typical performance characteristics in single-port PSE applications. Refer to the
Si3460-EVB applications note, schematics, and user's guide for more details.
Table 6. PSE Timing*
Description
Endpoint detection delay
cycle
Detection time
Classification delay cycle
Classification time
Symbol
t DET_CYCLE
t DETECT
t CLASS_CYCLE
t CLASS
Test Conditions
Time from PD connection to port to
completion of detection process.
Time required to measure PD
signature resistance.
Time from successful detect mode
to classification complete.
Min
70
—
10
10
Typ
—
70
—
—
Max
400
—
50
50
Unit
ms
ms
ms
ms
Power-up turn-on delay
Time from when a valid detection is
t PWRUP
completed until V OUT power is
—
30
—
ms
applied
Midspan detect backoff time
Current limit time
Disconnect delay
t BOM
t LIM
t DC_DIS
2
—
—
—
60
350
—
—
—
s
ms
ms
*Note: These typical specifications are based on an ambient operating temperature of 25 oC and V IN = +12 V.
3.1.1. PSE Timing Diagrams
The basic sequence of applying power is shown in Figure 2. Following is the description of the function that must
be performed in each phase.
57 V
44 V
20.5 V
15.5 V
10 V
2.8 V
t DET_CYCLE
t CLASS_CYCLE
Time
(msec)
t PWRUP
Figure 2. Detection, Classification, Powerup, and Disconnect Sequence
Rev. 1.2
9
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相关代理商/技术参数 |
参数描述 |
|---|---|
| Si3460-EVB | 功能描述:电源管理IC开发工具 Si3460 PSE Eval Brd and Ref Design 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 |
| SI3460-XYY-GM | 制造商:SILABS 制造商全称:SILABS 功能描述:IEEE 802.3af PSE INTERFACE AND DC-DC CONTROLLER |
| SI3461 | 制造商:SILABS 制造商全称:SILABS 功能描述:SINGLE-PORT IEEE 802.3AT POE/POE+ PSE INTERFACE |
| Si3461-E01-GM | 功能描述:电源开关 IC - POE / LAN Single-Port PoE / PoE+ PSE interface RoHS:否 制造商:Fairchild Semiconductor 开关数量:Single 开关配置:SPST 开启电阻（最大值）:7.3 Ohms 串话: 带宽: 开启时间（最大值）:13 ns 关闭时间（最大值）:20 ns 切换电压（最大）: 工作电源电压:8 V to 26 V 最大工作温度:+ 125 C 安装风格:Through Hole 封装 / 箱体:TO-220F-6 |
| SI3461-E01-GMR | 功能描述:IC POWER MANAGEMENT CTLR 11VQFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 应用说明:Ultrasound Imaging Systems Application Note 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:37 系列:- 应用:医疗用超声波成像，声纳 电流 - 电源:- 电源电压:2.37 V ~ 6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:56-WFQFN 裸露焊盘 供应商设备封装:56-TQFN-EP（8x8） 包装:管件 |
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