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PDF ( 数据手册 , 数据表 ) BTS50085-1TMA

零件编号 BTS50085-1TMA
描述 Smart High-side High Current Power Switch
制造商 Infineon Technologies
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BTS50085-1TMA 数据手册, 描述, 功能
PROFET® Data Sheet BTS50085-1TMA
Smart Highside High Current Power Switch
Reversave
Product Summary
Reverse battery protection by self turn on of
power MOSFET
Features
Overload protection
Current limitation
Short circuit protection
Over temperature protection
Over voltage protection (including load dump)
Clamp of negative voltage at output
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
Fast deenergizing of inductive loads 1)
Low ohmic inverse current operation
Diagnostic feedback with load current sense
Open load detection via current sense
PG-TO220-7-4
Loss of Vbb protection2)
Electrostatic discharge (ESD) protection
Green product (RoHS compliant)
AEC qualified
7
Application
Power switch with current sense diagnostic
1
SMD
feedback for up to 48 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
70 V
62 V
5.0 ... 58 V
9 m
44 A
90 A
13 000
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 protection functions.
Voltage
source
Voltage
sensor
3 IN
ESD
Logic
Overvoltage
protection
Current
limit
Gate
protection
R bb
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
Output
Voltage
detection
Current
Sense
4 & Tab
+ Vbb
OUT 1,2,6,7
IL
Load
I IN Temperature
sensor
VIN
V IS
Logic GND
I IS
IS
5
RIS
PROFET
Load GND
1) With additional external diode.
2) Additional external diode required for energized inductive loads (see page 9).
Infineon Technologies AG
Page 1
2008-Jan-24







BTS50085-1TMA pdf, 数据表
Input circuit (ESD protection)
Data Sheet BTS50085-1TMA
Current sense status output
V bIN
V
Z,IN
IN
IIN
ZD
V bb
R bb
Vbb R bb
ZD
IIS
V
Z,IS
IS
R IS
VIS
V IN
When the device is switched off (IIN = 0) the voltage
between IN and GND reaches almost Vbb. Use a
bipolar or MOS transistor with appropriate breakdown
voltage as driver.
VZ,IN = 74 V (typ).
Short circuit detection
Fault Condition: VON > VON(SC) (6 V typ.) and t> td(SC)
(80 ...300 µs).
+ Vbb
VZ,IS = 74 V (typ.), RIS = 1 knominal (or 1 k/n, if n
devices are connected in parallel). IS = IL/kilis can be
driven only by the internal circuit as long as Vout - VIS >
5 V. If you want measure load currents up to IL(M), RIS
should
be
less
than
Vbb -
IL(M) /
5V
Kilis.
Note: For large values of RIS the voltage VIS can reach
almost Vbb. See also over voltage protection.
If you don't use the current sense output in your
application, you can leave it open.
Inductive and over voltage output clamp
+ Vbb
VZ1
VON
V ON
Logic
unit
Short circuit
detection
OUT
PROFET
IS
OUT
V OUT
VON is clamped to VON(Cl) = 62 V typ
Infineon Technologies AG
Page 8
2008-Jan-24







BTS50085-1TMA equivalent, schematic
Package and Ordering Code
All dimensions in mm
Data Sheet BTS50085-1TMA
PG-TO220-7-4
Sales Code
0...0.3
10 ±0.2
8.5 1)
BTS50085-1TMA
4.4
1.27 ±0.1
AB
0.05
2.4
0.1
7 x 0.6 ±0.1
6 x 1.27
0...0.15
0.25 M A B
0.5 ±0.1
8˚MAX.
0.1 B
1) Typical
Metal surface min. X = 7.25, Y = 6.9
All metal surfaces tin plated, except area of cut.
Footprint:
10.8
9.4 16.15
0.47
0.8
8.42
4.6
Green Product (RoHS compliant)
To meet the world-wide customer requirements for environmentally friendly products and to be compliant with
government regulations the device is available as a green product. Green products are RoHS-Compliant (i.e Pb-
free finish on leads and suitable for Pb-free soldering according to IPC/JEDEC J-STD-020).
Infineon Technologies AG
Page 16
2008-Jan-24










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