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BTS50055-1TMA Schematic ( PDF Datasheet ) - Infineon Technologies

Teilenummer BTS50055-1TMA
Beschreibung Smart Highside High Current Power Switch
Hersteller Infineon Technologies
Logo Infineon Technologies Logo 




Gesamt 18 Seiten
BTS50055-1TMA Datasheet, Funktion
Data Sheet BTS50055-1TMA
Smart Highside High Current Power Switch Reversave
Features
Overload protection
Current limitation
Short circuit protection
Over temperature protection
Over voltage protection (including load dump)
Clamp of negative voltage at output
Fast deenergizing of inductive loads 1)
Low ohmic inverse current operation
Reversave(Reverse battery protection)
Diagnostic feedback with load current sense
Open load detection via current sense
Loss of Vbb protection 2)
Electrostatic discharge (ESD) protection
Green product (RoHS compliant)
AEC qualified
Product Summary
Overvoltage protection
Output clamp
Operating voltage
On-state resistance
Load current (ISO)
Short circuit current limitation
Current sense ratio
Vbb(AZ)
VON(CL)
Vbb(on)
RON
IL(ISO)
IL(SC)
IL : IIS
62 V
42 V
5.0 ... 34 V
6.0 m
70 A
130 A
14 000
PG-TO220-7-4
Application
Power switch with current sense diagnostic
feedback for 12 V DC grounded loads
Most suitable for loads with high inrush current
like lamps and motors; all types of resistive and
inductive loads
Replaces electromechanical relays, fuses and discrete circuits
1
SMD
7
General Description
N channel vertical power FET with charge pump, current controlled input and diagnostic feedback with load
current sense, integrated in Smart SIPMOSchip on chip technology. Providing embedded protective functions.
4 & Tab
Voltage
source
Overvoltage
protection
Current
limit
Gate
protection
R bb
+ Vbb
Voltage
sensor
3 IN
ESD
Logic
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
Output
Voltage
detection
Current
Sense
OUT 1,2,6,7
IL
Load
I IN Temperature
sensor
VIN
VIS
Logic GND
I IS
IS
5
RIS
PROFET
1) With additional external diode.
2) Additional external diode required for energized inductive loads (see page 9).
Infineon Technologies AG
Page 1of 18
Load GND
2010-April-27






BTS50055-1TMA Datasheet, Funktion
Data Sheet BTS50055-1TMA
Parameter and Conditions
at Tj = -40 ... +150 °C, Vbb = 12 V unless otherwise specified
Symbol
Values
Unit
min typ max
Diagnostic Characteristics
Current sense ratio,
static on-condition,
kILIS = IL : IIS,
VON < 1.5 V 19),
VIS <VOUT - 5V,
VbIN > 4.0 V
see diagram on page 12
IL = 90 A,Tj =-40°C:
Tj =25°C:
Tj =150°C:
IL = 20 A,Tj =-40°C:
Tj =25°C:
Tj =150°C:
IL = 10 A,Tj =-40°C:
Tj =25°C:
Tj =150°C:
IL = 4 A,Tj =-40°C:
Tj =25°C:
Tj =150°C:
IIS=0 by IIN =0 (e.g. during deenergizing of inductive loads):
Sense current saturation
Current sense leakage current
IIN = 0:
VIN = 0, IL 0:
Current sense over voltage protection Tj =-40°C:
Ibb = 15 mA
Current sense settling time 20)
Tj = 25...+150°C:
kILIS
IIS,lim
IIS(LL)
IIS(LH)
VZ,IS
ts(IS)
Input
Input and operating current (see diagram page 13)
IN grounded (VIN = 0)
Input current for turn-off 21)
IIN(on)
IIN(off)
12 500 14 200 16 000
12 500 13 700 16 000
11 500 13 000 14 500
12 500 14 500 17 500
12 000 14 000 16 500
11 500 13 400 15 000
12 500 15 000 19 000
11 500 14 300 17 500
11 500 13 500 15 500
11 000 18 000 28 500
11 000 15 400 22 000
11 200 14 000 19 000
6.5 -- -- mA
-- -- 0.5 µA
-- 2 65
60 --
62 66
-- V
--
-- -- 500 µs
-- 0.8 1.5 mA
-- -- 80 µA
19) If VON is higher, the sense current is no longer proportional to the load current due to sense current
saturation, see IIS,lim .
20) not subject to production test, specified by design
21) We recommend the resistance between IN and GND to be less than 0.5 kfor turn-on and more than
500kfor turn-off. Consider that when the device is switched off (IIN = 0) the voltage between IN and GND
reaches almost Vbb.
Infineon Technologies AG
Page 6
2010-April-27

6 Page









BTS50055-1TMA pdf, datenblatt
Data Sheet BTS50055-1TMA
Characteristics
Current sense versus load current:
IIS = f(IL), TJ= -40 ... +150 °C
7
Current sense ratio:
IIS = f(IL), TJ= 25 °C
22000
6 20000
5
max
18000
max
4
16000
min
3
typ
14000
2
1
12000
min
0
0 20 40 60
IIS [mA]
Current sense ratio:
KILIS = f(IL),TJ = -40°C
kilis
30000
28000
26000
24000
22000
20000
18000
16000
14000
12000
10000
0
max
typ
min
20 40
60
80
IL [A]
10000
0
kILIS
20
Current sense ratio:
KILIS = f(IL),TJ = 150°C
22000
40
60
20000
18000
16000
14000
12000
80
IL [A]
10000
0
kilis
max
typ
min
20 40 60
80
IL [A]
80
IL [A]
Infineon Technologies AG
Page 12
2010-April-27

12 Page





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