USB - Parts List



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		应用笔记
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		USB兼容模拟开关
		USB兼容收发器

Maxim > 方案 > USB

限流开关

Maxim的限流开关能够为一路或多路USB输出提供充分的保护，它们符合，甚至优于USB规格。大多数器件具有“自动复位”功能，当出现短路故障时能够将开关锁存在断开状态，降低系统功耗；解除短路故障后，可自动恢复系统工作。其安全性能还包括：热过载保护、高精度限流、发生故障时可向系统发出通报的故障指示信号。通过屏蔽瞬态故障(例如：热插拔过程中容性负载引起的故障)，可以抑制错误的报警信号。

USB新产品

型号 USB端口数保证输出电流导通电阻典型值限流精度故障屏蔽自动复位反向电压保护封装尺寸

MAX8586 1 1.2A 55m 14% 3mm x 3mm

MAX1558/MAX1558H 2 1.2A 55m 14% 3mm x 3mm

MAX1564 3 1.2A 60m 14% 4mm x 4mm

数据资料

显示标题/型号关键优势

QV  PDF 三路1.2A USB开关，4mm x 4mm薄型QFN封装
MAX1564

QV  PDF 单路1.2A USB开关，3mm x 3mm TDFN封装
MAX8586

QV  PDF 双路、3mm x 3mm、1.2A/可编程电流USB开关，带有自动复位功能
MAX1558, MAX1558H

尺寸最小的双USB开关，每路可通过1.2A电流，采用3mm x 3mm TDFN封装

QV  PDF 可编程4A USB限流开关，带有自动复位和故障屏蔽功能
MAX1562, MAX1562H, MAX1563

尺寸最小的可编程、4A、USB限流开关，可自动复位、带故障屏蔽，尺寸只有竞争产品的一半

QV  PDF 三路USB开关，带有自动复位和故障屏蔽
MAX1940

QV  PDF 单路USB开关，带有自动复位和故障屏蔽，微型TQFN封装
MAX1946

采用微型TDFN封装、具有自动复位和防故障误报、更小的单路USB开关

QV  PDF 限流开关，支持单USB口
MAX1931

QV  PDF 限流开关，支持两个USB口
MAX1930

QV  PDF 1A、限流开关，支持两个USB口
MAX1922

QV  PDF 双路、USB开关，带有故障屏蔽及自复位功能
MAX1823, MAX1823A, MAX1823B, MAX1823H

QV  PDF 双路、USB开关，带有故障屏蔽
MAX1812

QV  PDF USB限流开关，采用引脚兼容封装
MAX1607

单通道USB限流开关，带有故障屏蔽

QV  PDF USB限流型开关，带有故障屏蔽
MAX1693, MAX1693H, MAX1694

单通道USB限流开关，带有故障屏蔽，采用µMAX封装

Key Specifications: USB Power Switches

Part Number

Functions

Number of Switches

Max. Load Current (A)

R_ON (typ) (Ω)

Fault Indicator

Fault Blanking Timeout (ms)

Switch Op. Voltage Range (V)

Package

Operating Temp. Range (°C)

MAX1564

•	Auto Reset From Fault

•	Fault Blanking

•	Programmable Current Limit

•	Reverse Voltage Blocking

1.2

0.06

Yes

2.7 to 5.5

THIN QFN/16

-40 to +85

MAX8586

•	Auto Reset From Fault

•	Fault Blanking

•	Programmable Current Limit

•	Reverse Voltage Blocking

1.2

0.055

Yes

2.7 to 5.5

THIN QFN (Dual)/8

-40 to +85

MAX1558

•	Auto Reset From Fault

•	Fault Blanking

•	Programmable Current Limit

•	Reverse Voltage Blocking

1.4

0.055

Yes

2.7 to 5.5

THIN QFN (Dual)/10

-40 to +85

MAX1558H

•	Auto Reset From Fault

•	Fault Blanking

•	Programmable Current Limit

•	Reverse Voltage Blocking

1.4

0.055

Yes

2.7 to 5.5

THIN QFN (Dual)/10

-40 to +85

MAX1562

•	Active High/Active Low Control Logic

•	Auto Reset From Fault

•	Auto Retry

•	Fault Blanking

•	Programmable Current Limit

0.026

Yes

4.0 to 5.5

SOIC/8

-40 to +85

MAX1562H

•	Active High/Active Low Control Logic

•	Auto Reset From Fault

•	Auto Retry

•	Fault Blanking

•	Programmable Current Limit

0.026

Yes

4.0 to 5.5

SOIC/8

-40 to +85

MAX1563

•	Active High/Active Low Control Logic

•	Auto Reset From Fault

•	Auto Retry

•	Fault Blanking

•	Programmable Current Limit

0.026

Yes

4.0 to 5.5

THIN QFN/12

-40 to +85

MAX1940

•	Active High/Active Low Control Logic

0.5

0.085

Yes

4.0 to 5.5

QSOP/16

-40 to +85

MAX1946

•	Active High/Active Low Control Logic

0.5

0.075

Yes

2.7 to 5.5

THIN QFN (Dual)/8

-40 to +85

MAX1930

•	Fault Blanking

•	Pin-Compatible with TPS2010/TPS2011/TPS2012/TPS2013

1.75

0.07

Yes

2.7 to 5.5

SOIC/8

-40 to +85

MAX1931

•	Fault Blanking

0.85

0.06

Yes

2.7 to 5.5

uMAX/10

-40 to +85

MAX1922

•	Fault Blanking

1.75

0.07

Yes

2.7 to 5.5

SOIC/8
THIN QFN (Dual)/10

-40 to +85

MAX1823

•	Auto Retry

•	Fault Blanking

0.9

0.075

Yes

4.0 to 5.5

uMAX/10

-40 to +85

MAX1823A

•	Auto Retry

•	Fault Blanking

•	Reverse Voltage Blocking

0.9

0.075

Yes

4.0 to 5.5

uMAX/10

-40 to +85

MAX1823B

•	Auto Retry

•	Fault Blanking

•	Reverse Voltage Blocking

0.9

0.075

Yes

4.0 to 5.5

uMAX/10

-40 to +85

MAX1823H

•	Auto Retry

•	Fault Blanking

0.9

0.075

Yes

4.0 to 5.5

uMAX/10

-40 to +85

MAX1607

•	Fault Blanking

•	Pin-Compatible with TPS2014/TPS2015/TPS2041

0.85

0.06

Yes

2.7 to 5.5

SOIC/8

-40 to +85

MAX1693

•	Fault Blanking

0.85

0.06

Yes

2.7 to 5.5

uMAX/10

-40 to +85

MAX1694

•	Fault Blanking

0.85

0.06

Yes

2.7 to 5.5

uMAX/10

-40 to +85

MAX1812

•	Fault Blanking

0.85

0.075

Yes

4.0 to 5.5

uMAX/10

-40 to +85

See All USB Power Switches (28)