Datasheet > SGM2593D

SGM2593D

更新时间： 2023-09-03 20:32:58

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
14页	780K
描述
Power Distribution Switch

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SGM2593D 数据手册

SGM2593D

Power Distribution Switch

GENERAL DESCRIPTION

FEATURES

The SGM2593D is a single channel power distribution

switch. The switch controlled by the EN pin operates

from 2.5V to 6V supply voltage. It can be used in USB

power distribution applications.

● High-side N-MOSFET

● On-Resistance: 60mΩ (TYP)

● Programmable Current Limit Range: 0.1A to 3A

1.5A at R_ILIM= 4.53kΩ

● Input Voltage Range: 2.5V to 6V

● Quiescent Current: 27μA (TYP)

● Shutdown Current: 0.28μA (TYP)

● Soft-Start Function

The SGM2593D integrates programmable current limit

to protect the upstream power supply from damage

during over-current or short-circuit condition.

The device has the function of over-temperature

protection. When the junction temperature exceeds

+151℃, the device will be turned off and the internal

MOSFET will remain off until the temperature drops to

+105℃. In current limit mode, the over-temperature

protection will shut down the output if the maintaining

time of over-current state is long enough to cause the

junction temperature exceeds +128℃. The internal

switch will not be turned on until the temperature drops

below +105℃.

● Over-Temperature Protection

● Under-Voltage Lockout Protection for VIN

● No Reversed Leakage Current (Reverse Blocking)

● Fault Flag (nFAULT Pin)

● Quick Output Discharge

● 1.2MΩ Pull-Down Resistor at EN Pin

● Available in a Green TDFN-2×2-6AL Package

APPLICATIONS

General Purpose Power Switching

USB Bus/Self-Powered Hub

USB Peripheral

The device is designed with soft-start circuit to cope

with inrush currents when large capacitive loads are

connected. The nFAULT output will be asserted to low

level during over-current, over-temperature or reverse

voltage condition.

ACPI Power Distribution

Smart Phone

LCD TV

The SGM2593D further reduces the total solution size

by integrating a 47Ω pull-down resistor for output

discharge when the switch is shut down by EN.

TYPICAL APPLICATION

VIN

V_IN

R_nFAULT

VOUT

V_OUT

The SGM2593D is available in a Green TDFN-2×2-6AL

package.

C_IN

10μF

SGM2593D

C_OUT

10μF

nFAULT

ILIM

Off

GND

R_ILIM

Figure 1. Typical Application Circuit

SG Micro Corp

APRIL2023–REV. A. 1

www.sg-micro.com

12 3 4 5 6 7...14

中文翻译

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