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부품번호 | ITS42K5D-LD-F 기능 |
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기능 | Dual Channel High-Side PMOS Power Switch | ||
제조업체 | Infineon | ||
로고 | |||
전체 30 페이지수
ITS42k5D-LD-F
Dual Channel High-Side PMOS Power Switch with Integrated Freewheeling Diodes
Data Sheet
Rev 1.0, 2015-04-28
Standard Power
2 Pin Configuration
2.1 Pin Assignment
ITS42k5D-LD-F
Pin Configuration
IN1
ST1
SGND
ST2
IN2
1
2
3
4
5
PG-TSON-10
10 GND1
9 OUT1
8 VS
7 OUT2
6 GND2
Figure 1 Pin configuration top view, PG-TSON-10
2.2 Pin Definitions and Functions
Table 1
Pin
1
2
3
4
5
6
7
Pin Definition
Symbol
IN1
ST1
SGND
ST2
IN2
GND2
OUT2
8 VS
9 OUT1
10 GND1
Exposed pad –
Function
INPUT 1; Control Input for Channel 1, Active High
STATUS 1; Status Flag for Channel 1; Open Drain Output
SIGNAL GND; connect to all GNDs and to exposed GND pad
STATUS 2; Status Flag for Channel 2; Open Drain Output
INPUT 2; Control Input for Channel 2; Active High
Ground Channel 2; Connect to all GNDs and to exposed GND pad
OUTPUT 2; drain of the power-PMOS Channel 2; power freewheeling diode to
GND
Supply Voltage; block to GND with a capacitor near the IC
OUTPUT 1; drain of the power-PMOS Channel 1; power freewheeling diode to
GND
Ground Channel 1; Connect to all GNDs and to exposed GND pad
Connect externally to all GNDs i.e. GND1, GND2 and SGND
Data Sheet
4 Rev 1.0, 2015-04-28
4페이지 ITS42k5D-LD-F
Functional Description
VIN
VINH
VINL
VOUT
100%
90%
10%
tON
tr
tOFF
tf
SR ON =
( d V/d t)ON
SR OFF =
(d V/d t) OFF
t
t
Figure 4 Input / output timings when switching a resistive load.
4.3 Protection Functions
Note: Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Integrated protection functions are designed to prevent IC destruction under fault conditions described in the
data sheet. Fault conditions are considered as “outside” the normal operating range. Protection functions
are neither designed for continuous nor repetitive operation.
4.3.1
Short Circuit Protection
Short circuit is a special case of overload. The device is protected within the supply voltage range from VS = 4.5
V to 42 V. If the device stays in short circuit condition for a longer time the integrated temperature protection will
switch the device OFF (both channels OFF). For details please look at chapter “Overtemperature Protection”.
4.3.2
Protection by Overtemperature Shutdown
This circuit monitors the junction temperature Tj. When the device is ON, the junction temperature Tj increases
proportional to the power loss. The temperature protector is equipped with two temperature sensors, one for each
one of the powerstages. When the thermal shutdown trip point TSDOFF is reached, the in-built protector switches
OFF the respective channel. This overtemperature shutdown is reported via diagnosis to the respective status flag
i.e. either ST1 and ST2. The output remains OFF until the junction is cooled down to the thermal shutdown release
point TSDON. If the overload condition remains the device will toggle between both junction temperature values. It
is not recommended for the device to stay in an overload condition as this will degrade its lifetime.
Data Sheet
7 Rev 1.0, 2015-04-28
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부품번호 | 상세설명 및 기능 | 제조사 |
ITS42K5D-LD-F | Dual Channel High-Side PMOS Power Switch | Infineon |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |