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BTS3104SDL 英飞凌芯片 INFINEON 中文版规格书手册.pdf
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BTS3104SDL 英飞凌芯片 INFINEON 中文版规格书手册
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Automotive Power
Datasheet
Rev. 1.0, 2009-12-06
HITFET - BTS3104SDL
104 mOhm single channel smart low side power switch for 12V & 24V Application
HITFET
Smart Low Side Power Switch
Datasheet 2 Rev. 1.0, 2009-12-06
HITFET - BTS3104SDL
Smart low side power switch
1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1 Pin Assignment BTS3104SDL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.2 Pin Definitions and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4 General Product Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.2 Functional Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.3 Thermal Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.3.1 Transient Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5 Input and Power Stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.1 Input Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.1.1 Failure Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.2 Power stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.2.1 Output On-state Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.2.2 Output Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.3 Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6 Protection Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.1 Thermal Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.2 Overvoltage Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.3 Short Circuit Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.4 Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7 Package Outlines BTS3104SDL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
PG-TO252-3-11
Type Package Marking
BTS3104SDL PG-TO252-3-11
Datasheet 3 Rev. 1.0, 2009-12-06
HITFET - BTS3104SDL
Smart low side power switch
BTS3104SDL
1Overview
Features
• Short circuit and over load protection
• Thermal shutdown with latch behavior
• ESD protection
• Over voltage protection
• Logic level input suitable for 5V and 3.3V
• Analog driving possible
• 12V and 24V usability
• Green Product (RoHS compliant)
• AEC Qualified
Description
The BTS3104SDL is a single channel low-side MOSFET power switch in PG-TO252-3-11 package providing
embedded protective functions.
The device is monolithically integrated with a N channel vertical power FET and embedded protection functions.
The BTS3104SDL is automotive qualified and can be used in 12V and 24V automotive and industrial applications.
Table 1 Product Summary
Drain voltage
1)
1) Active clamped
V
D
60 V
Maximum Input Voltage
V
IN
10 V
Maximum On-State resistance at 150°C at 5V input voltage
R
DS(ON)
323 mΩ
Typical On-State resistance at 25°C and 10V input voltage
R
DS(ON)
104 mΩ
Nominal load current
I
D(nom)
2.0 A
Minimum current limitation level
I
D(lim)
6A
Datasheet 4 Rev. 1.0, 2009-12-06
HITFET - BTS3104SDL
Smart low side power switch
Overview
Protective Functions
• Electrostatic discharge protection (ESD)
• Active clamp over voltage protection
• Thermal shutdown with latch behavior
• Over load and Short circuit protection
• Current limitation
Analog Fault Information
• Thermal shutdown
• Short to Battery
• Overload
Applications
• Designed for inductive and lamp loads in automotive and industrial applications.
• 12V and 24V applications
• All types of resistive, inductive and capacitive loads
• Replaces discrete circuits
Detailed Description
The device is able to switch all kind of resistive, inductive and capacitive loads, limited by
E
AS
and maximum
current capabilities.
The BTS3104SDL offers ESD protection on the IN Pin which refers to the Source pin (Ground).
The overtemperature protection prevents the device from overheating due to overload and/or bad cooling
conditions. The temperature information is given by a temperature sensor in the power MOSFET. During thermal
shutdown the device sinks an increased input current at the IN pin to feedback the fault condition.
The BTS3104SDL has a thermal-latch function. The device will turn off and stay off, even after the measured
temperature has dropped below the thermal hysteresis. After cooling down the device can be switched on again
by toggling the IN pin.
The over voltage protection gets activated during load dump or inductive turn off conditions. The power MOSFET
is limiting the drain-source voltage, if it rises above the
V
DS(clamp).
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