Datasheet > MIC4605

MIC4605

更新时间： 2024-12-02 01:06:39

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
25页	1032K
描述
85V Half-Bridge MOSFET Drivers

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MIC4605 数据手册

MIC4605

85V Half-Bridge MOSFET Drivers

with Adaptive Dead Time and

Shoot-Through Protection

General Description

Features

The MIC4605 is an 85V half-bridge MOSFET driver that

features adaptive-dead-time and shoot-through protection.

The adaptive-dead-time circuitry actively monitors the half-

bridge outputs to minimize the time between high-side and

low-side MOSFET transitions, thus maximizing power

efficiency. Anti-shoot-through circuitry prevents erroneous

inputs and noise from turning both MOSFETS on at the

same time.

• 5.5V to 16V gate drive supply voltage range

• Advanced adaptive-dead-time

• Intelligent shoot-through protection

− MIC4605-1: Dual TTL inputs

− MIC4605-2: Single PWM input

• Enable input for on/off control

• On-chip bootstrap diode

The MIC4605 also offers a wide 5.5V to 16V operating

supply range to maximize system efficiency. The low 5.5V

operating voltage allows longer run times in battery-

powered applications. Additionally, the MIC4605’s

adjustable gate drive sets the gate drive voltage to VDD

for optimal MOSFET R_DS(ON), which minimizes power loss

• Fast 35ns propagation times

• Drives 1000pF load with 20ns rise and fall times

• Low power consumption: 135µA quiescent current

• Separate high- and low-side undervoltage protection

• –40°C to +125°C junction temperature range

due to the MOSFET’s R_DS(ON)

Applications

The MIC4605 is available in an 8-pin SOIC package and a

tiny 10-pin 2.5mm × 2.5mm TDFN package. Both

packages have an operating junction temperature range of

–40°C to +125°C.

• Fans

• Power inverters

• High-voltage step-down regulators

• Half-, full-, and three-phase bridge motor drives

• Appliances

Datasheets and support documentation are available on

Micrel’s web site at: www.micrel.com.

• E-bikes

MIC4605 Door Lock/Unlock Module

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

Revision 1.0

November 11, 2013

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