Datasheet > SSP-21120-080

SSP-21120-080

更新时间： 2024-11-05 23:34:27

品牌	Logo	应用领域
其他 - ETC		功率控制控制器
页数	文件大小	规格书
8页	83K
描述
POWER CONTROLLERS\|Rad Hard Hybrid. True I2t Protection. Output Safety Clamp

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SSP-21120-080 数据手册

S S P -2 1 1 2 0

2 8 VDC S OLID-S TATE P OWER

CONTROLLER MODULE

FEATURES

DESCRIPTION

size, low power, and high reliability in a

The SSP-21120 Series of 28 Vdc,

Solid-State Power Controllers (SSPCs) module.

replace electromagnetic circuit break-

• True I T Protection

• No Thermal Derating

• Isolated Control Circuitry

• MIL-STD-704 Compliant

• Status Outputs

Built-In-Test (BIT) has been provided to

ers and solid-state relays rated for 40,

60, and 80 amperes. The SSPCs offer

status outputs and permit external

input logic control allowing for remote

location near to the load. The three

models in the series differ only in rated

current, so that fault and I²T trip char-

acteristics can be selected to protect

wiring and loads.

monitor, in real time, the status of the

internal circuitry as well as circuitry exter-

nal to the SSPC. This BIT monitors MOS-

FET failure and control circuit failure.

The SSP-21120 Series will operate

over the temperature range from -55°C

to +85°C with no thermal derating, see

ordering information.

• Instant Trip Protection

• Low Power Dissipation

• Solid-State Reliability

Using Power MOSFET switches, these

Power Controllers offer low “on” resis-

tance, low voltage drop, high “off”

impedance, and low power dissipation.

APPLICATIONS

Designed to replace circuit breakers in

land, air, and space vehicles, these

Solid-State Power Controller Modules

provide status outputs for light and

heavy overloads as well as minimum

Built with Power MOSFETs and cus-

tom monolithics and using thick film

hybrid technology, they offer small load current.

SSP-21120

POWER IN

NEUTRAL*

Internal P.S.

V BIAS SUPPLY INPUT

STATUS 1

Control

Hybrid

Control

STATUS 2

FET

Hybrid

CONTROL COMMAND

V BIAS SUPPLY COMMON**

Sense Circuit

POWER OUT

NOTE: *NEUTRAL = POWER GROUND; **V BIAS SUPPLY COMMON = SIGNAL GROUND

FIGURE 1. SSP-21120 BLOCK DIAGRAM

12 3 4 5 6 7 8

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