Datasheet > MAX14922

MAX14922

更新时间： 2024-09-25 14:57:59

品牌	Logo	应用领域
亚德诺 - ADI		开关控制器
页数	文件大小	规格书
23页	618K
描述
带限流功能的高端开关控制器

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中文翻译

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数据手册

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MAX14922 数据手册

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MAX14922

High-Side Switch Controller with Current

Limiting

General Description

Benefits and Features

The MAX14922 is a high-side, n-channel FET controller

for implementing industrial high-side switches for switch-

ing ground-connected loads. The MAX14922 device con-

● +9V to +70V Operating Supply Range

● 5V / 50mA Integrated Linear Regulator

● -40°C to +125°C Ambient Temperature Operating

Range

trols an external nMOS power transistor, allowing low R

high-side switch applications from a +9V to +70V supply

range.

● 16-TQFN Package, 3mm x 3mm, 0.5mm Pin Pitch

● Robust Design Features

• Ultra High-Speed Inductive Load Turn-Off by

Clamping to -70V

• Supply Independent Inductive Clamping

Fast inductive load turn-off can be achieved with use of a

high-voltage TVS diode enabling up to -70V (max) voltage

clamping. Ground-connected TVS diodes allow clamping

of exceptionally high inductive energies.

• Support of Low R

50nC

FETs Having Q (Total) =

Load current is limited to a user-defined value through

a sense resistor. External FET overload protection is

achieved using an auto-retry timing feature, as defined by

• External FET Turn-On Propagation Delay < 20µs

• Active Current Limit Control During Overcurrent

● Fault Monitoring Diagnostic Features

• Overcurrent Detect Output

a user-selected capacitor (C

at t

input) or op-

BLANK

tionally using an external timing control.

• High Supply-Voltage Indication

• Flexible Supply or Load Voltage Monitor

• Undervoltage Lockout

• Thermal Warning and Shutdown Protection

• Device Ready Indication

The MAX14922 features an on-chip comparator enabling

monitoring of the high-side switch output or the supply in-

put voltage with a user-selected threshold. An integrated

charge pump enables high speed switching rates when

using low R

FETs in the 20kHz to 50kHz range.

The MAX14922 is available in a 3mm x 3mm, 16-TQFN

package. The MAX14922 device is specified over the

-40ºC to +125ºC operating temperature range.

Ordering Information appears at end of data sheet.

Applications

● Industrial Digital Outputs

● High-Side Switches

● Motor Holding Brakes

● Relay and Solenoid Drivers

Simple High-Side Switch Application

SYSTEM

LOAD

POWER (24V)

CONNECTOR

BYPASS

LOAD

TVS

SNS

MAX14922

BLANK

µC

FAULT

MONITOR

BLANK

GND

19-100761; Rev 0; 4/20

12 3 4 5 6 7...23

中文翻译

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与MAX14922相关器件

型号	品牌	获取价格	描述	数据表
MAX1492CAI	MAXIM	获取价格	3.5- and 4.5-Digit, Single-Chip ADCs with LCD Drivers
MAX1492CAI+	MAXIM	获取价格	暂无描述
MAX1492CAI+T	MAXIM	获取价格	ADC, Proprietary Method, 1 Func, 1 Channel, BICMOS, PDSO28, 5.30 MM, MO-150, SSOP-28
MAX1492CNI	MAXIM	获取价格	3.5- and 4.5-Digit, Single-Chip ADCs with LCD Drivers
MAX1492CNI+	MAXIM	获取价格	ADC, Delta-Sigma, 1 Func, 1 Channel, BICMOS, PDIP28, 0.300 INCH, MO-058, PDIP-28
MAX1493	MAXIM	获取价格	3.5- and 4.5-Digit, Single-Chip ADCs with LCD Drivers
MAX1493	ADI	获取价格	3位半和4位半、单片ADC，带有LCD驱动器
MAX14930	MAXIM	获取价格	Many Options Support Broad Applications
MAX14930AASE+	MAXIM	获取价格	4-Channel, 1kVRMS and 2.75kVRMS, Digital Isolators
MAX14930AAWE+	MAXIM	获取价格	4-Channel, 1kVRMS and 2.75kVRMS, Digital Isolators

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