Datasheet > SGM2521/A

SGM2521/A

更新时间： 2024-09-28 17:01:27

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
23页	967K
描述
Programmable Current Limit Switches

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数据手册

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SGM2521/A 数据手册

SGM2521/SGM2521A

SGM2522/SGM2522A

Programmable Current Limit Switches

GENERAL DESCRIPTION

FEATURES

The SGM2521/SGM2521A/SGM2522/SGM2522A are

compact electronic fuses (eFuses), which can operate

from 4.5V to 24V single supply. SGM2521/1A/2/2A are

designed for a wide range of applications and can

provide ±7% current limit accuracy at T_A= +25℃.

● Wide Input Voltage Range from 4.5V to 24V

with Surge up to 30V

● On-Resistance:

58mΩ (SOIC-8 Package)

57mΩ (TDFN-2×3-8BL Package)

● Programmable Soft-Start Time

● Programmable Current Limit: 260mA to 2A

● ±7% Current Limit Accuracy at T_A= +25℃

● Protection Features

Internal protection functions are provided for

over-current protection (OCP), over-voltage protection

(OVP) and under-voltage lockout (UVLO). Fault

conditions are indicated by the nFLT pin.

 Short-Circuit Protection

The threshold accuracy of UV and OV is 3%, which

ensures close monitoring of bus voltage and reduces

the demand of monitoring circuit.

 Over-Voltage Protection

 Under-Voltage Lockout

 Fault Output for Short-Circuit, UVLO, Thermal

Shutdown and OVP

The SGM2521/1A/2/2A are available in Green SOIC-8

and TDFN-2×3-8BL packages and operate over a

temperature range of -40℃ to +85℃.

● Enable Interface Pin

● Thermal Shutdown Protection

SGM2521/SGM2521A: Auto-Retry

SGM2522/SGM2522A: Latch-Off

● -40℃ to +85℃ Operating Temperature Range

● Available in Green SOIC-8 and TDFN-2×3-8BL

Packages

APPLICATIONS

Hard Drives

PCI-E SSD

Motherboard Power Management

White Goods, Appliances

Set-Top Boxes and Gaming Consoles

TYPICAL APPLICATION

4.5V to 24V

R₁

OUT

V_IN

V_OUT

ENUV

OVP

nFLT

R₂

R₃

SGM2521

C_SS

ILIM

R_ILIM

GND

Figure 1. Typical Application Circuit

SG Micro Corp

FEBRUARY 2024 – REV. B

www.sg-micro.com

12 3 4 5 6 7...23

中文翻译

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