Maxim > Products > Power and Battery Management > MAX1930

MAX1930

Current-Limited Switch for Two USB Ports

Overview

Technical Documents

Ordering Info

Status

Active: In Production.

Description

The MAX1930 current-limited 70mΩ switch with built-in fault blanking provides an accurate, preset 1.2A to 2.3A current limit, making it ideal for dual USB applications. Its low quiescent supply current (16µA) and standby current (1µA) conserve battery power in portable applications. The MAX1930 operates with inputs from 2.7V to 5.5V, making it ideal for both 3V and 5V systems.

The MAX1930 has several safety features to ensure that the USB port is protected. Built-in thermal-overload protection limits power dissipation and junction temperature. The device also has accurate internal current-limiting circuitry to protect the input supply against overload. The MAX1930 is offered in a space-saving 8-pin SO package and operates over the extended (-40°C to +85°C) temperature range.

Data Sheet

Download	Rev 2	(PDF, 292kB)
E-Mail

Key Features

Pin Compatible with TPS2010-TPS2013
Accurate Current Limit (1.2A min, 2.3A max)
125mΩ (max) High-Side MOSFET
Short-Circuit and Thermal Protection
Undervoltage Lockout
16µA Quiescent Supply Current
1µA (max) Standby Supply Current
2.7V to 5.5V Supply Range
Underwriters Laboratories (UL) Recognized

Applications/Uses

Docking Stations
Notebook Computers
USB Hubs
USB Ports

Key Specifications:

Current Limit and USB Power Switches

Part Number

USB

Power Switches

Current Limit
(mA)

Fault Indicator

Current Limit Accuracy
(%)

Current Limit Set By

R_ON
(Ω)

V_SUPPLY
(V)

Oper. Temp.
(°C)

Package/Pins

Budgetary Price

≥

≤

typ

min

max

See Notes

MAX1930

Yes

1200

Yes

Preset

0.07

2.7

5.5

-40 to +85

SOIC(N)/8

$0.99 @1k

See All Current Limit and USB Power Switches (78)

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Diagram

Typical Operating Circuit

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Information Index

Overview		Technical Documents		Ordering Info		Related Products
Description Key Features Applications/Uses Key Specifications Diagram Notes and Comments		Data Sheet Application Notes Evaluation Kits Product Guides Reliability Reports Software/Models		Price and Availability Samples Buy Online Package Information Lead-Free Information		Similar Products by Function Similar Products by Application Evaluation Kits Products with Similar Part Numbers Products Used With This

Document Ref.: 19-2385 Rev 2; 2002-12-20
This page last modified: 2009-05-26